mirror of
https://github.com/git/git.git
synced 2024-11-18 15:04:49 +01:00
2692 lines
88 KiB
Perl
Executable file
2692 lines
88 KiB
Perl
Executable file
#!/usr/bin/perl
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####
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#### This application is a CVS emulation layer for git.
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#### It is intended for clients to connect over SSH.
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#### See the documentation for more details.
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####
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#### Copyright The Open University UK - 2006.
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####
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#### Authors: Martyn Smith <martyn@catalyst.net.nz>
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#### Martin Langhoff <martin@catalyst.net.nz>
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####
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####
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#### Released under the GNU Public License, version 2.
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####
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####
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use strict;
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use warnings;
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use Fcntl;
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use File::Temp qw/tempdir tempfile/;
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use File::Basename;
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my $log = GITCVS::log->new();
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my $cfg;
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my $DATE_LIST = {
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Jan => "01",
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Feb => "02",
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Mar => "03",
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Apr => "04",
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May => "05",
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Jun => "06",
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Jul => "07",
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Aug => "08",
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Sep => "09",
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Oct => "10",
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Nov => "11",
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Dec => "12",
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};
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# Enable autoflush for STDOUT (otherwise the whole thing falls apart)
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$| = 1;
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#### Definition and mappings of functions ####
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my $methods = {
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'Root' => \&req_Root,
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'Valid-responses' => \&req_Validresponses,
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'valid-requests' => \&req_validrequests,
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'Directory' => \&req_Directory,
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'Entry' => \&req_Entry,
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'Modified' => \&req_Modified,
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'Unchanged' => \&req_Unchanged,
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'Questionable' => \&req_Questionable,
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'Argument' => \&req_Argument,
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'Argumentx' => \&req_Argument,
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'expand-modules' => \&req_expandmodules,
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'add' => \&req_add,
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'remove' => \&req_remove,
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'co' => \&req_co,
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'update' => \&req_update,
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'ci' => \&req_ci,
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'diff' => \&req_diff,
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'log' => \&req_log,
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'rlog' => \&req_log,
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'tag' => \&req_CATCHALL,
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'status' => \&req_status,
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'admin' => \&req_CATCHALL,
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'history' => \&req_CATCHALL,
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'watchers' => \&req_CATCHALL,
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'editors' => \&req_CATCHALL,
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'annotate' => \&req_annotate,
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'Global_option' => \&req_Globaloption,
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#'annotate' => \&req_CATCHALL,
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};
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##############################################
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# $state holds all the bits of information the clients sends us that could
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# potentially be useful when it comes to actually _doing_ something.
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my $state = {};
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$log->info("--------------- STARTING -----------------");
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my $TEMP_DIR = tempdir( CLEANUP => 1 );
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$log->debug("Temporary directory is '$TEMP_DIR'");
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# if we are called with a pserver argument,
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# deal with the authentication cat before entering the
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# main loop
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if (@ARGV && $ARGV[0] eq 'pserver') {
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my $line = <STDIN>; chomp $line;
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unless( $line eq 'BEGIN AUTH REQUEST') {
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die "E Do not understand $line - expecting BEGIN AUTH REQUEST\n";
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}
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$line = <STDIN>; chomp $line;
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req_Root('root', $line) # reuse Root
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or die "E Invalid root $line \n";
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$line = <STDIN>; chomp $line;
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unless ($line eq 'anonymous') {
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print "E Only anonymous user allowed via pserver\n";
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print "I HATE YOU\n";
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}
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$line = <STDIN>; chomp $line; # validate the password?
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$line = <STDIN>; chomp $line;
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unless ($line eq 'END AUTH REQUEST') {
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die "E Do not understand $line -- expecting END AUTH REQUEST\n";
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}
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print "I LOVE YOU\n";
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# and now back to our regular programme...
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}
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# Keep going until the client closes the connection
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while (<STDIN>)
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{
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chomp;
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# Check to see if we've seen this method, and call appropriate function.
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if ( /^([\w-]+)(?:\s+(.*))?$/ and defined($methods->{$1}) )
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{
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# use the $methods hash to call the appropriate sub for this command
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#$log->info("Method : $1");
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&{$methods->{$1}}($1,$2);
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} else {
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# log fatal because we don't understand this function. If this happens
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# we're fairly screwed because we don't know if the client is expecting
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# a response. If it is, the client will hang, we'll hang, and the whole
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# thing will be custard.
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$log->fatal("Don't understand command $_\n");
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die("Unknown command $_");
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}
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}
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$log->debug("Processing time : user=" . (times)[0] . " system=" . (times)[1]);
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$log->info("--------------- FINISH -----------------");
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# Magic catchall method.
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# This is the method that will handle all commands we haven't yet
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# implemented. It simply sends a warning to the log file indicating a
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# command that hasn't been implemented has been invoked.
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sub req_CATCHALL
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{
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my ( $cmd, $data ) = @_;
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$log->warn("Unhandled command : req_$cmd : $data");
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}
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# Root pathname \n
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# Response expected: no. Tell the server which CVSROOT to use. Note that
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# pathname is a local directory and not a fully qualified CVSROOT variable.
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# pathname must already exist; if creating a new root, use the init
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# request, not Root. pathname does not include the hostname of the server,
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# how to access the server, etc.; by the time the CVS protocol is in use,
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# connection, authentication, etc., are already taken care of. The Root
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# request must be sent only once, and it must be sent before any requests
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# other than Valid-responses, valid-requests, UseUnchanged, Set or init.
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sub req_Root
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{
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my ( $cmd, $data ) = @_;
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$log->debug("req_Root : $data");
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$state->{CVSROOT} = $data;
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$ENV{GIT_DIR} = $state->{CVSROOT} . "/";
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unless (-d $ENV{GIT_DIR} && -e $ENV{GIT_DIR}.'HEAD') {
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print "E $ENV{GIT_DIR} does not seem to be a valid GIT repository\n";
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print "E \n";
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print "error 1 $ENV{GIT_DIR} is not a valid repository\n";
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return 0;
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}
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my @gitvars = `git-repo-config -l`;
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if ($?) {
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print "E problems executing git-repo-config on the server -- this is not a git repository or the PATH is not set correctly.\n";
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print "E \n";
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print "error 1 - problem executing git-repo-config\n";
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return 0;
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}
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foreach my $line ( @gitvars )
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{
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next unless ( $line =~ /^(.*?)\.(.*?)=(.*)$/ );
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$cfg->{$1}{$2} = $3;
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}
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unless ( defined ( $cfg->{gitcvs}{enabled} ) and $cfg->{gitcvs}{enabled} =~ /^\s*(1|true|yes)\s*$/i )
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{
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print "E GITCVS emulation needs to be enabled on this repo\n";
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print "E the repo config file needs a [gitcvs] section added, and the parameter 'enabled' set to 1\n";
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print "E \n";
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print "error 1 GITCVS emulation disabled\n";
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return 0;
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}
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if ( defined ( $cfg->{gitcvs}{logfile} ) )
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{
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$log->setfile($cfg->{gitcvs}{logfile});
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} else {
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$log->nofile();
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}
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return 1;
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}
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# Global_option option \n
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# Response expected: no. Transmit one of the global options `-q', `-Q',
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# `-l', `-t', `-r', or `-n'. option must be one of those strings, no
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# variations (such as combining of options) are allowed. For graceful
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# handling of valid-requests, it is probably better to make new global
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# options separate requests, rather than trying to add them to this
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# request.
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sub req_Globaloption
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{
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my ( $cmd, $data ) = @_;
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$log->debug("req_Globaloption : $data");
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$state->{globaloptions}{$data} = 1;
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}
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# Valid-responses request-list \n
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# Response expected: no. Tell the server what responses the client will
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# accept. request-list is a space separated list of tokens.
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sub req_Validresponses
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{
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my ( $cmd, $data ) = @_;
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$log->debug("req_Validresponses : $data");
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# TODO : re-enable this, currently it's not particularly useful
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#$state->{validresponses} = [ split /\s+/, $data ];
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}
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# valid-requests \n
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# Response expected: yes. Ask the server to send back a Valid-requests
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# response.
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sub req_validrequests
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{
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my ( $cmd, $data ) = @_;
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$log->debug("req_validrequests");
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$log->debug("SEND : Valid-requests " . join(" ",keys %$methods));
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$log->debug("SEND : ok");
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print "Valid-requests " . join(" ",keys %$methods) . "\n";
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print "ok\n";
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}
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# Directory local-directory \n
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# Additional data: repository \n. Response expected: no. Tell the server
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# what directory to use. The repository should be a directory name from a
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# previous server response. Note that this both gives a default for Entry
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# and Modified and also for ci and the other commands; normal usage is to
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# send Directory for each directory in which there will be an Entry or
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# Modified, and then a final Directory for the original directory, then the
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# command. The local-directory is relative to the top level at which the
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# command is occurring (i.e. the last Directory which is sent before the
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# command); to indicate that top level, `.' should be sent for
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# local-directory.
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sub req_Directory
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{
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my ( $cmd, $data ) = @_;
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my $repository = <STDIN>;
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chomp $repository;
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$state->{localdir} = $data;
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$state->{repository} = $repository;
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$state->{path} = $repository;
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$state->{path} =~ s/^$state->{CVSROOT}\///;
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$state->{module} = $1 if ($state->{path} =~ s/^(.*?)(\/|$)//);
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$state->{path} .= "/" if ( $state->{path} =~ /\S/ );
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$state->{directory} = $state->{localdir};
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$state->{directory} = "" if ( $state->{directory} eq "." );
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$state->{directory} .= "/" if ( $state->{directory} =~ /\S/ );
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if ( not defined($state->{prependdir}) and $state->{localdir} eq "." and $state->{path} =~ /\S/ )
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{
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$log->info("Setting prepend to '$state->{path}'");
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$state->{prependdir} = $state->{path};
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foreach my $entry ( keys %{$state->{entries}} )
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{
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$state->{entries}{$state->{prependdir} . $entry} = $state->{entries}{$entry};
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delete $state->{entries}{$entry};
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}
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}
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if ( defined ( $state->{prependdir} ) )
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{
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$log->debug("Prepending '$state->{prependdir}' to state|directory");
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$state->{directory} = $state->{prependdir} . $state->{directory}
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}
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$log->debug("req_Directory : localdir=$data repository=$repository path=$state->{path} directory=$state->{directory} module=$state->{module}");
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}
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# Entry entry-line \n
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# Response expected: no. Tell the server what version of a file is on the
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# local machine. The name in entry-line is a name relative to the directory
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# most recently specified with Directory. If the user is operating on only
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# some files in a directory, Entry requests for only those files need be
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# included. If an Entry request is sent without Modified, Is-modified, or
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# Unchanged, it means the file is lost (does not exist in the working
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# directory). If both Entry and one of Modified, Is-modified, or Unchanged
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# are sent for the same file, Entry must be sent first. For a given file,
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# one can send Modified, Is-modified, or Unchanged, but not more than one
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# of these three.
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sub req_Entry
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{
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my ( $cmd, $data ) = @_;
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#$log->debug("req_Entry : $data");
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my @data = split(/\//, $data);
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$state->{entries}{$state->{directory}.$data[1]} = {
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revision => $data[2],
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conflict => $data[3],
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options => $data[4],
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tag_or_date => $data[5],
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};
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$log->info("Received entry line '$data' => '" . $state->{directory} . $data[1] . "'");
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}
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# Questionable filename \n
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# Response expected: no. Additional data: no. Tell the server to check
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# whether filename should be ignored, and if not, next time the server
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# sends responses, send (in a M response) `?' followed by the directory and
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# filename. filename must not contain `/'; it needs to be a file in the
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# directory named by the most recent Directory request.
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sub req_Questionable
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{
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my ( $cmd, $data ) = @_;
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$log->debug("req_Questionable : $data");
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$state->{entries}{$state->{directory}.$data}{questionable} = 1;
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}
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# add \n
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# Response expected: yes. Add a file or directory. This uses any previous
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# Argument, Directory, Entry, or Modified requests, if they have been sent.
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# The last Directory sent specifies the working directory at the time of
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# the operation. To add a directory, send the directory to be added using
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# Directory and Argument requests.
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sub req_add
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{
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my ( $cmd, $data ) = @_;
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argsplit("add");
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my $addcount = 0;
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foreach my $filename ( @{$state->{args}} )
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{
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$filename = filecleanup($filename);
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unless ( defined ( $state->{entries}{$filename}{modified_filename} ) )
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{
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print "E cvs add: nothing known about `$filename'\n";
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next;
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}
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# TODO : check we're not squashing an already existing file
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if ( defined ( $state->{entries}{$filename}{revision} ) )
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{
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print "E cvs add: `$filename' has already been entered\n";
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next;
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}
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my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
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print "E cvs add: scheduling file `$filename' for addition\n";
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print "Checked-in $dirpart\n";
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print "$filename\n";
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print "/$filepart/0///\n";
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$addcount++;
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}
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if ( $addcount == 1 )
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{
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print "E cvs add: use `cvs commit' to add this file permanently\n";
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}
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elsif ( $addcount > 1 )
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{
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print "E cvs add: use `cvs commit' to add these files permanently\n";
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}
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print "ok\n";
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}
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# remove \n
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# Response expected: yes. Remove a file. This uses any previous Argument,
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# Directory, Entry, or Modified requests, if they have been sent. The last
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# Directory sent specifies the working directory at the time of the
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# operation. Note that this request does not actually do anything to the
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# repository; the only effect of a successful remove request is to supply
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# the client with a new entries line containing `-' to indicate a removed
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# file. In fact, the client probably could perform this operation without
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# contacting the server, although using remove may cause the server to
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# perform a few more checks. The client sends a subsequent ci request to
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# actually record the removal in the repository.
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sub req_remove
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{
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my ( $cmd, $data ) = @_;
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argsplit("remove");
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# Grab a handle to the SQLite db and do any necessary updates
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my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
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$updater->update();
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#$log->debug("add state : " . Dumper($state));
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my $rmcount = 0;
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foreach my $filename ( @{$state->{args}} )
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{
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$filename = filecleanup($filename);
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if ( defined ( $state->{entries}{$filename}{unchanged} ) or defined ( $state->{entries}{$filename}{modified_filename} ) )
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{
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print "E cvs remove: file `$filename' still in working directory\n";
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next;
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}
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my $meta = $updater->getmeta($filename);
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my $wrev = revparse($filename);
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unless ( defined ( $wrev ) )
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{
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print "E cvs remove: nothing known about `$filename'\n";
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next;
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}
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if ( defined($wrev) and $wrev < 0 )
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{
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print "E cvs remove: file `$filename' already scheduled for removal\n";
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next;
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}
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unless ( $wrev == $meta->{revision} )
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{
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# TODO : not sure if the format of this message is quite correct.
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print "E cvs remove: Up to date check failed for `$filename'\n";
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next;
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}
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my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
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print "E cvs remove: scheduling `$filename' for removal\n";
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print "Checked-in $dirpart\n";
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print "$filename\n";
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print "/$filepart/-1.$wrev///\n";
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$rmcount++;
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}
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if ( $rmcount == 1 )
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{
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print "E cvs remove: use `cvs commit' to remove this file permanently\n";
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}
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elsif ( $rmcount > 1 )
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{
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print "E cvs remove: use `cvs commit' to remove these files permanently\n";
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}
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print "ok\n";
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}
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# Modified filename \n
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# Response expected: no. Additional data: mode, \n, file transmission. Send
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# the server a copy of one locally modified file. filename is a file within
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# the most recent directory sent with Directory; it must not contain `/'.
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# If the user is operating on only some files in a directory, only those
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# files need to be included. This can also be sent without Entry, if there
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# is no entry for the file.
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sub req_Modified
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{
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my ( $cmd, $data ) = @_;
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my $mode = <STDIN>;
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chomp $mode;
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my $size = <STDIN>;
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chomp $size;
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# Grab config information
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my $blocksize = 8192;
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my $bytesleft = $size;
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my $tmp;
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# Get a filehandle/name to write it to
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my ( $fh, $filename ) = tempfile( DIR => $TEMP_DIR );
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# Loop over file data writing out to temporary file.
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while ( $bytesleft )
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{
|
|
$blocksize = $bytesleft if ( $bytesleft < $blocksize );
|
|
read STDIN, $tmp, $blocksize;
|
|
print $fh $tmp;
|
|
$bytesleft -= $blocksize;
|
|
}
|
|
|
|
close $fh;
|
|
|
|
# Ensure we have something sensible for the file mode
|
|
if ( $mode =~ /u=(\w+)/ )
|
|
{
|
|
$mode = $1;
|
|
} else {
|
|
$mode = "rw";
|
|
}
|
|
|
|
# Save the file data in $state
|
|
$state->{entries}{$state->{directory}.$data}{modified_filename} = $filename;
|
|
$state->{entries}{$state->{directory}.$data}{modified_mode} = $mode;
|
|
$state->{entries}{$state->{directory}.$data}{modified_hash} = `git-hash-object $filename`;
|
|
$state->{entries}{$state->{directory}.$data}{modified_hash} =~ s/\s.*$//s;
|
|
|
|
#$log->debug("req_Modified : file=$data mode=$mode size=$size");
|
|
}
|
|
|
|
# Unchanged filename \n
|
|
# Response expected: no. Tell the server that filename has not been
|
|
# modified in the checked out directory. The filename is a file within the
|
|
# most recent directory sent with Directory; it must not contain `/'.
|
|
sub req_Unchanged
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
$state->{entries}{$state->{directory}.$data}{unchanged} = 1;
|
|
|
|
#$log->debug("req_Unchanged : $data");
|
|
}
|
|
|
|
# Argument text \n
|
|
# Response expected: no. Save argument for use in a subsequent command.
|
|
# Arguments accumulate until an argument-using command is given, at which
|
|
# point they are forgotten.
|
|
# Argumentx text \n
|
|
# Response expected: no. Append \n followed by text to the current argument
|
|
# being saved.
|
|
sub req_Argument
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
# TODO : Not quite sure how Argument and Argumentx differ, but I assume
|
|
# it's for multi-line arguments ... somehow ...
|
|
|
|
$log->debug("$cmd : $data");
|
|
|
|
push @{$state->{arguments}}, $data;
|
|
}
|
|
|
|
# expand-modules \n
|
|
# Response expected: yes. Expand the modules which are specified in the
|
|
# arguments. Returns the data in Module-expansion responses. Note that the
|
|
# server can assume that this is checkout or export, not rtag or rdiff; the
|
|
# latter do not access the working directory and thus have no need to
|
|
# expand modules on the client side. Expand may not be the best word for
|
|
# what this request does. It does not necessarily tell you all the files
|
|
# contained in a module, for example. Basically it is a way of telling you
|
|
# which working directories the server needs to know about in order to
|
|
# handle a checkout of the specified modules. For example, suppose that the
|
|
# server has a module defined by
|
|
# aliasmodule -a 1dir
|
|
# That is, one can check out aliasmodule and it will take 1dir in the
|
|
# repository and check it out to 1dir in the working directory. Now suppose
|
|
# the client already has this module checked out and is planning on using
|
|
# the co request to update it. Without using expand-modules, the client
|
|
# would have two bad choices: it could either send information about all
|
|
# working directories under the current directory, which could be
|
|
# unnecessarily slow, or it could be ignorant of the fact that aliasmodule
|
|
# stands for 1dir, and neglect to send information for 1dir, which would
|
|
# lead to incorrect operation. With expand-modules, the client would first
|
|
# ask for the module to be expanded:
|
|
sub req_expandmodules
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
argsplit();
|
|
|
|
$log->debug("req_expandmodules : " . ( defined($data) ? $data : "[NULL]" ) );
|
|
|
|
unless ( ref $state->{arguments} eq "ARRAY" )
|
|
{
|
|
print "ok\n";
|
|
return;
|
|
}
|
|
|
|
foreach my $module ( @{$state->{arguments}} )
|
|
{
|
|
$log->debug("SEND : Module-expansion $module");
|
|
print "Module-expansion $module\n";
|
|
}
|
|
|
|
print "ok\n";
|
|
statecleanup();
|
|
}
|
|
|
|
# co \n
|
|
# Response expected: yes. Get files from the repository. This uses any
|
|
# previous Argument, Directory, Entry, or Modified requests, if they have
|
|
# been sent. Arguments to this command are module names; the client cannot
|
|
# know what directories they correspond to except by (1) just sending the
|
|
# co request, and then seeing what directory names the server sends back in
|
|
# its responses, and (2) the expand-modules request.
|
|
sub req_co
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
argsplit("co");
|
|
|
|
my $module = $state->{args}[0];
|
|
my $checkout_path = $module;
|
|
|
|
# use the user specified directory if we're given it
|
|
$checkout_path = $state->{opt}{d} if ( exists ( $state->{opt}{d} ) );
|
|
|
|
$log->debug("req_co : " . ( defined($data) ? $data : "[NULL]" ) );
|
|
|
|
$log->info("Checking out module '$module' ($state->{CVSROOT}) to '$checkout_path'");
|
|
|
|
$ENV{GIT_DIR} = $state->{CVSROOT} . "/";
|
|
|
|
# Grab a handle to the SQLite db and do any necessary updates
|
|
my $updater = GITCVS::updater->new($state->{CVSROOT}, $module, $log);
|
|
$updater->update();
|
|
|
|
$checkout_path =~ s|/$||; # get rid of trailing slashes
|
|
|
|
# Eclipse seems to need the Clear-sticky command
|
|
# to prepare the 'Entries' file for the new directory.
|
|
print "Clear-sticky $checkout_path/\n";
|
|
print $state->{CVSROOT} . "/$module/\n";
|
|
print "Clear-static-directory $checkout_path/\n";
|
|
print $state->{CVSROOT} . "/$module/\n";
|
|
print "Clear-sticky $checkout_path/\n"; # yes, twice
|
|
print $state->{CVSROOT} . "/$module/\n";
|
|
print "Template $checkout_path/\n";
|
|
print $state->{CVSROOT} . "/$module/\n";
|
|
print "0\n";
|
|
|
|
# instruct the client that we're checking out to $checkout_path
|
|
print "E cvs checkout: Updating $checkout_path\n";
|
|
|
|
my %seendirs = ();
|
|
my $lastdir ='';
|
|
|
|
# recursive
|
|
sub prepdir {
|
|
my ($dir, $repodir, $remotedir, $seendirs) = @_;
|
|
my $parent = dirname($dir);
|
|
$dir =~ s|/+$||;
|
|
$repodir =~ s|/+$||;
|
|
$remotedir =~ s|/+$||;
|
|
$parent =~ s|/+$||;
|
|
$log->debug("announcedir $dir, $repodir, $remotedir" );
|
|
|
|
if ($parent eq '.' || $parent eq './') {
|
|
$parent = '';
|
|
}
|
|
# recurse to announce unseen parents first
|
|
if (length($parent) && !exists($seendirs->{$parent})) {
|
|
prepdir($parent, $repodir, $remotedir, $seendirs);
|
|
}
|
|
# Announce that we are going to modify at the parent level
|
|
if ($parent) {
|
|
print "E cvs checkout: Updating $remotedir/$parent\n";
|
|
} else {
|
|
print "E cvs checkout: Updating $remotedir\n";
|
|
}
|
|
print "Clear-sticky $remotedir/$parent/\n";
|
|
print "$repodir/$parent/\n";
|
|
|
|
print "Clear-static-directory $remotedir/$dir/\n";
|
|
print "$repodir/$dir/\n";
|
|
print "Clear-sticky $remotedir/$parent/\n"; # yes, twice
|
|
print "$repodir/$parent/\n";
|
|
print "Template $remotedir/$dir/\n";
|
|
print "$repodir/$dir/\n";
|
|
print "0\n";
|
|
|
|
$seendirs->{$dir} = 1;
|
|
}
|
|
|
|
foreach my $git ( @{$updater->gethead} )
|
|
{
|
|
# Don't want to check out deleted files
|
|
next if ( $git->{filehash} eq "deleted" );
|
|
|
|
( $git->{name}, $git->{dir} ) = filenamesplit($git->{name});
|
|
|
|
if (length($git->{dir}) && $git->{dir} ne './'
|
|
&& $git->{dir} ne $lastdir ) {
|
|
unless (exists($seendirs{$git->{dir}})) {
|
|
prepdir($git->{dir}, $state->{CVSROOT} . "/$module/",
|
|
$checkout_path, \%seendirs);
|
|
$lastdir = $git->{dir};
|
|
$seendirs{$git->{dir}} = 1;
|
|
}
|
|
print "E cvs checkout: Updating /$checkout_path/$git->{dir}\n";
|
|
}
|
|
|
|
# modification time of this file
|
|
print "Mod-time $git->{modified}\n";
|
|
|
|
# print some information to the client
|
|
if ( defined ( $git->{dir} ) and $git->{dir} ne "./" )
|
|
{
|
|
print "M U $checkout_path/$git->{dir}$git->{name}\n";
|
|
} else {
|
|
print "M U $checkout_path/$git->{name}\n";
|
|
}
|
|
|
|
# instruct client we're sending a file to put in this path
|
|
print "Created $checkout_path/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "\n";
|
|
|
|
print $state->{CVSROOT} . "/$module/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "$git->{name}\n";
|
|
|
|
# this is an "entries" line
|
|
print "/$git->{name}/1.$git->{revision}///\n";
|
|
# permissions
|
|
print "u=$git->{mode},g=$git->{mode},o=$git->{mode}\n";
|
|
|
|
# transmit file
|
|
transmitfile($git->{filehash});
|
|
}
|
|
|
|
print "ok\n";
|
|
|
|
statecleanup();
|
|
}
|
|
|
|
# update \n
|
|
# Response expected: yes. Actually do a cvs update command. This uses any
|
|
# previous Argument, Directory, Entry, or Modified requests, if they have
|
|
# been sent. The last Directory sent specifies the working directory at the
|
|
# time of the operation. The -I option is not used--files which the client
|
|
# can decide whether to ignore are not mentioned and the client sends the
|
|
# Questionable request for others.
|
|
sub req_update
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
$log->debug("req_update : " . ( defined($data) ? $data : "[NULL]" ));
|
|
|
|
argsplit("update");
|
|
|
|
#
|
|
# It may just be a client exploring the available heads/modules
|
|
# in that case, list them as top level directories and leave it
|
|
# at that. Eclipse uses this technique to offer you a list of
|
|
# projects (heads in this case) to checkout.
|
|
#
|
|
if ($state->{module} eq '') {
|
|
print "E cvs update: Updating .\n";
|
|
opendir HEADS, $state->{CVSROOT} . '/refs/heads';
|
|
while (my $head = readdir(HEADS)) {
|
|
if (-f $state->{CVSROOT} . '/refs/heads/' . $head) {
|
|
print "E cvs update: New directory `$head'\n";
|
|
}
|
|
}
|
|
closedir HEADS;
|
|
print "ok\n";
|
|
return 1;
|
|
}
|
|
|
|
|
|
# Grab a handle to the SQLite db and do any necessary updates
|
|
my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
|
|
|
|
$updater->update();
|
|
|
|
argsfromdir($updater);
|
|
|
|
#$log->debug("update state : " . Dumper($state));
|
|
|
|
# foreach file specified on the command line ...
|
|
foreach my $filename ( @{$state->{args}} )
|
|
{
|
|
$filename = filecleanup($filename);
|
|
|
|
$log->debug("Processing file $filename");
|
|
|
|
# if we have a -C we should pretend we never saw modified stuff
|
|
if ( exists ( $state->{opt}{C} ) )
|
|
{
|
|
delete $state->{entries}{$filename}{modified_hash};
|
|
delete $state->{entries}{$filename}{modified_filename};
|
|
$state->{entries}{$filename}{unchanged} = 1;
|
|
}
|
|
|
|
my $meta;
|
|
if ( defined($state->{opt}{r}) and $state->{opt}{r} =~ /^1\.(\d+)/ )
|
|
{
|
|
$meta = $updater->getmeta($filename, $1);
|
|
} else {
|
|
$meta = $updater->getmeta($filename);
|
|
}
|
|
|
|
next unless ( $meta->{revision} );
|
|
|
|
my $oldmeta = $meta;
|
|
|
|
my $wrev = revparse($filename);
|
|
|
|
# If the working copy is an old revision, lets get that version too for comparison.
|
|
if ( defined($wrev) and $wrev != $meta->{revision} )
|
|
{
|
|
$oldmeta = $updater->getmeta($filename, $wrev);
|
|
}
|
|
|
|
#$log->debug("Target revision is $meta->{revision}, current working revision is $wrev");
|
|
|
|
# Files are up to date if the working copy and repo copy have the same revision,
|
|
# and the working copy is unmodified _and_ the user hasn't specified -C
|
|
next if ( defined ( $wrev )
|
|
and defined($meta->{revision})
|
|
and $wrev == $meta->{revision}
|
|
and $state->{entries}{$filename}{unchanged}
|
|
and not exists ( $state->{opt}{C} ) );
|
|
|
|
# If the working copy and repo copy have the same revision,
|
|
# but the working copy is modified, tell the client it's modified
|
|
if ( defined ( $wrev )
|
|
and defined($meta->{revision})
|
|
and $wrev == $meta->{revision}
|
|
and not exists ( $state->{opt}{C} ) )
|
|
{
|
|
$log->info("Tell the client the file is modified");
|
|
print "MT text U\n";
|
|
print "MT fname $filename\n";
|
|
print "MT newline\n";
|
|
next;
|
|
}
|
|
|
|
if ( $meta->{filehash} eq "deleted" )
|
|
{
|
|
my ( $filepart, $dirpart ) = filenamesplit($filename,1);
|
|
|
|
$log->info("Removing '$filename' from working copy (no longer in the repo)");
|
|
|
|
print "E cvs update: `$filename' is no longer in the repository\n";
|
|
# Don't want to actually _DO_ the update if -n specified
|
|
unless ( $state->{globaloptions}{-n} ) {
|
|
print "Removed $dirpart\n";
|
|
print "$filepart\n";
|
|
}
|
|
}
|
|
elsif ( not defined ( $state->{entries}{$filename}{modified_hash} )
|
|
or $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash} )
|
|
{
|
|
$log->info("Updating '$filename'");
|
|
# normal update, just send the new revision (either U=Update, or A=Add, or R=Remove)
|
|
print "MT +updated\n";
|
|
print "MT text U\n";
|
|
print "MT fname $filename\n";
|
|
print "MT newline\n";
|
|
print "MT -updated\n";
|
|
|
|
my ( $filepart, $dirpart ) = filenamesplit($filename,1);
|
|
|
|
# Don't want to actually _DO_ the update if -n specified
|
|
unless ( $state->{globaloptions}{-n} )
|
|
{
|
|
if ( defined ( $wrev ) )
|
|
{
|
|
# instruct client we're sending a file to put in this path as a replacement
|
|
print "Update-existing $dirpart\n";
|
|
$log->debug("Updating existing file 'Update-existing $dirpart'");
|
|
} else {
|
|
# instruct client we're sending a file to put in this path as a new file
|
|
print "Clear-static-directory $dirpart\n";
|
|
print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
|
|
print "Clear-sticky $dirpart\n";
|
|
print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
|
|
|
|
$log->debug("Creating new file 'Created $dirpart'");
|
|
print "Created $dirpart\n";
|
|
}
|
|
print $state->{CVSROOT} . "/$state->{module}/$filename\n";
|
|
|
|
# this is an "entries" line
|
|
$log->debug("/$filepart/1.$meta->{revision}///");
|
|
print "/$filepart/1.$meta->{revision}///\n";
|
|
|
|
# permissions
|
|
$log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
|
|
print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
|
|
|
|
# transmit file
|
|
transmitfile($meta->{filehash});
|
|
}
|
|
} else {
|
|
$log->info("Updating '$filename'");
|
|
my ( $filepart, $dirpart ) = filenamesplit($meta->{name},1);
|
|
|
|
my $dir = tempdir( DIR => $TEMP_DIR, CLEANUP => 1 ) . "/";
|
|
|
|
chdir $dir;
|
|
my $file_local = $filepart . ".mine";
|
|
system("ln","-s",$state->{entries}{$filename}{modified_filename}, $file_local);
|
|
my $file_old = $filepart . "." . $oldmeta->{revision};
|
|
transmitfile($oldmeta->{filehash}, $file_old);
|
|
my $file_new = $filepart . "." . $meta->{revision};
|
|
transmitfile($meta->{filehash}, $file_new);
|
|
|
|
# we need to merge with the local changes ( M=successful merge, C=conflict merge )
|
|
$log->info("Merging $file_local, $file_old, $file_new");
|
|
|
|
$log->debug("Temporary directory for merge is $dir");
|
|
|
|
my $return = system("merge", $file_local, $file_old, $file_new);
|
|
$return >>= 8;
|
|
|
|
if ( $return == 0 )
|
|
{
|
|
$log->info("Merged successfully");
|
|
print "M M $filename\n";
|
|
$log->debug("Update-existing $dirpart");
|
|
|
|
# Don't want to actually _DO_ the update if -n specified
|
|
unless ( $state->{globaloptions}{-n} )
|
|
{
|
|
print "Update-existing $dirpart\n";
|
|
$log->debug($state->{CVSROOT} . "/$state->{module}/$filename");
|
|
print $state->{CVSROOT} . "/$state->{module}/$filename\n";
|
|
$log->debug("/$filepart/1.$meta->{revision}///");
|
|
print "/$filepart/1.$meta->{revision}///\n";
|
|
}
|
|
}
|
|
elsif ( $return == 1 )
|
|
{
|
|
$log->info("Merged with conflicts");
|
|
print "M C $filename\n";
|
|
|
|
# Don't want to actually _DO_ the update if -n specified
|
|
unless ( $state->{globaloptions}{-n} )
|
|
{
|
|
print "Update-existing $dirpart\n";
|
|
print $state->{CVSROOT} . "/$state->{module}/$filename\n";
|
|
print "/$filepart/1.$meta->{revision}/+//\n";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$log->warn("Merge failed");
|
|
next;
|
|
}
|
|
|
|
# Don't want to actually _DO_ the update if -n specified
|
|
unless ( $state->{globaloptions}{-n} )
|
|
{
|
|
# permissions
|
|
$log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
|
|
print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
|
|
|
|
# transmit file, format is single integer on a line by itself (file
|
|
# size) followed by the file contents
|
|
# TODO : we should copy files in blocks
|
|
my $data = `cat $file_local`;
|
|
$log->debug("File size : " . length($data));
|
|
print length($data) . "\n";
|
|
print $data;
|
|
}
|
|
|
|
chdir "/";
|
|
}
|
|
|
|
}
|
|
|
|
print "ok\n";
|
|
}
|
|
|
|
sub req_ci
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
argsplit("ci");
|
|
|
|
#$log->debug("State : " . Dumper($state));
|
|
|
|
$log->info("req_ci : " . ( defined($data) ? $data : "[NULL]" ));
|
|
|
|
if ( @ARGV && $ARGV[0] eq 'pserver')
|
|
{
|
|
print "error 1 pserver access cannot commit\n";
|
|
exit;
|
|
}
|
|
|
|
if ( -e $state->{CVSROOT} . "/index" )
|
|
{
|
|
$log->warn("file 'index' already exists in the git repository");
|
|
print "error 1 Index already exists in git repo\n";
|
|
exit;
|
|
}
|
|
|
|
my $lockfile = "$state->{CVSROOT}/refs/heads/$state->{module}.lock";
|
|
unless ( sysopen(LOCKFILE,$lockfile,O_EXCL|O_CREAT|O_WRONLY) )
|
|
{
|
|
$log->warn("lockfile '$lockfile' already exists, please try again");
|
|
print "error 1 Lock file '$lockfile' already exists, please try again\n";
|
|
exit;
|
|
}
|
|
|
|
# Grab a handle to the SQLite db and do any necessary updates
|
|
my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
|
|
$updater->update();
|
|
|
|
my $tmpdir = tempdir ( DIR => $TEMP_DIR );
|
|
my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
|
|
$log->info("Lock successful, basing commit on '$tmpdir', index file is '$file_index'");
|
|
|
|
$ENV{GIT_DIR} = $state->{CVSROOT} . "/";
|
|
$ENV{GIT_INDEX_FILE} = $file_index;
|
|
|
|
chdir $tmpdir;
|
|
|
|
# populate the temporary index based
|
|
system("git-read-tree", $state->{module});
|
|
unless ($? == 0)
|
|
{
|
|
die "Error running git-read-tree $state->{module} $file_index $!";
|
|
}
|
|
$log->info("Created index '$file_index' with for head $state->{module} - exit status $?");
|
|
|
|
|
|
my @committedfiles = ();
|
|
|
|
# foreach file specified on the command line ...
|
|
foreach my $filename ( @{$state->{args}} )
|
|
{
|
|
my $committedfile = $filename;
|
|
$filename = filecleanup($filename);
|
|
|
|
next unless ( exists $state->{entries}{$filename}{modified_filename} or not $state->{entries}{$filename}{unchanged} );
|
|
|
|
my $meta = $updater->getmeta($filename);
|
|
|
|
my $wrev = revparse($filename);
|
|
|
|
my ( $filepart, $dirpart ) = filenamesplit($filename);
|
|
|
|
# do a checkout of the file if it part of this tree
|
|
if ($wrev) {
|
|
system('git-checkout-index', '-f', '-u', $filename);
|
|
unless ($? == 0) {
|
|
die "Error running git-checkout-index -f -u $filename : $!";
|
|
}
|
|
}
|
|
|
|
my $addflag = 0;
|
|
my $rmflag = 0;
|
|
$rmflag = 1 if ( defined($wrev) and $wrev < 0 );
|
|
$addflag = 1 unless ( -e $filename );
|
|
|
|
# Do up to date checking
|
|
unless ( $addflag or $wrev == $meta->{revision} or ( $rmflag and -$wrev == $meta->{revision} ) )
|
|
{
|
|
# fail everything if an up to date check fails
|
|
print "error 1 Up to date check failed for $filename\n";
|
|
close LOCKFILE;
|
|
unlink($lockfile);
|
|
chdir "/";
|
|
exit;
|
|
}
|
|
|
|
push @committedfiles, $committedfile;
|
|
$log->info("Committing $filename");
|
|
|
|
system("mkdir","-p",$dirpart) unless ( -d $dirpart );
|
|
|
|
unless ( $rmflag )
|
|
{
|
|
$log->debug("rename $state->{entries}{$filename}{modified_filename} $filename");
|
|
rename $state->{entries}{$filename}{modified_filename},$filename;
|
|
|
|
# Calculate modes to remove
|
|
my $invmode = "";
|
|
foreach ( qw (r w x) ) { $invmode .= $_ unless ( $state->{entries}{$filename}{modified_mode} =~ /$_/ ); }
|
|
|
|
$log->debug("chmod u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode . " $filename");
|
|
system("chmod","u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode, $filename);
|
|
}
|
|
|
|
if ( $rmflag )
|
|
{
|
|
$log->info("Removing file '$filename'");
|
|
unlink($filename);
|
|
system("git-update-index", "--remove", $filename);
|
|
}
|
|
elsif ( $addflag )
|
|
{
|
|
$log->info("Adding file '$filename'");
|
|
system("git-update-index", "--add", $filename);
|
|
} else {
|
|
$log->info("Updating file '$filename'");
|
|
system("git-update-index", $filename);
|
|
}
|
|
}
|
|
|
|
unless ( scalar(@committedfiles) > 0 )
|
|
{
|
|
print "E No files to commit\n";
|
|
print "ok\n";
|
|
close LOCKFILE;
|
|
unlink($lockfile);
|
|
chdir "/";
|
|
return;
|
|
}
|
|
|
|
my $treehash = `git-write-tree`;
|
|
my $parenthash = `cat $ENV{GIT_DIR}refs/heads/$state->{module}`;
|
|
chomp $treehash;
|
|
chomp $parenthash;
|
|
|
|
$log->debug("Treehash : $treehash, Parenthash : $parenthash");
|
|
|
|
# write our commit message out if we have one ...
|
|
my ( $msg_fh, $msg_filename ) = tempfile( DIR => $TEMP_DIR );
|
|
print $msg_fh $state->{opt}{m};# if ( exists ( $state->{opt}{m} ) );
|
|
print $msg_fh "\n\nvia git-CVS emulator\n";
|
|
close $msg_fh;
|
|
|
|
my $commithash = `git-commit-tree $treehash -p $parenthash < $msg_filename`;
|
|
$log->info("Commit hash : $commithash");
|
|
|
|
unless ( $commithash =~ /[a-zA-Z0-9]{40}/ )
|
|
{
|
|
$log->warn("Commit failed (Invalid commit hash)");
|
|
print "error 1 Commit failed (unknown reason)\n";
|
|
close LOCKFILE;
|
|
unlink($lockfile);
|
|
chdir "/";
|
|
exit;
|
|
}
|
|
|
|
open FILE, ">", "$ENV{GIT_DIR}refs/heads/$state->{module}";
|
|
print FILE $commithash;
|
|
close FILE;
|
|
|
|
$updater->update();
|
|
|
|
# foreach file specified on the command line ...
|
|
foreach my $filename ( @committedfiles )
|
|
{
|
|
$filename = filecleanup($filename);
|
|
|
|
my $meta = $updater->getmeta($filename);
|
|
|
|
my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
|
|
|
|
$log->debug("Checked-in $dirpart : $filename");
|
|
|
|
if ( $meta->{filehash} eq "deleted" )
|
|
{
|
|
print "Remove-entry $dirpart\n";
|
|
print "$filename\n";
|
|
} else {
|
|
print "Checked-in $dirpart\n";
|
|
print "$filename\n";
|
|
print "/$filepart/1.$meta->{revision}///\n";
|
|
}
|
|
}
|
|
|
|
close LOCKFILE;
|
|
unlink($lockfile);
|
|
chdir "/";
|
|
|
|
print "ok\n";
|
|
}
|
|
|
|
sub req_status
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
argsplit("status");
|
|
|
|
$log->info("req_status : " . ( defined($data) ? $data : "[NULL]" ));
|
|
#$log->debug("status state : " . Dumper($state));
|
|
|
|
# Grab a handle to the SQLite db and do any necessary updates
|
|
my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
|
|
$updater->update();
|
|
|
|
# if no files were specified, we need to work out what files we should be providing status on ...
|
|
argsfromdir($updater);
|
|
|
|
# foreach file specified on the command line ...
|
|
foreach my $filename ( @{$state->{args}} )
|
|
{
|
|
$filename = filecleanup($filename);
|
|
|
|
my $meta = $updater->getmeta($filename);
|
|
my $oldmeta = $meta;
|
|
|
|
my $wrev = revparse($filename);
|
|
|
|
# If the working copy is an old revision, lets get that version too for comparison.
|
|
if ( defined($wrev) and $wrev != $meta->{revision} )
|
|
{
|
|
$oldmeta = $updater->getmeta($filename, $wrev);
|
|
}
|
|
|
|
# TODO : All possible statuses aren't yet implemented
|
|
my $status;
|
|
# Files are up to date if the working copy and repo copy have the same revision, and the working copy is unmodified
|
|
$status = "Up-to-date" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision}
|
|
and
|
|
( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
|
|
or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta->{filehash} ) )
|
|
);
|
|
|
|
# Need checkout if the working copy has an older revision than the repo copy, and the working copy is unmodified
|
|
$status ||= "Needs Checkout" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev
|
|
and
|
|
( $state->{entries}{$filename}{unchanged}
|
|
or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash} ) )
|
|
);
|
|
|
|
# Need checkout if it exists in the repo but doesn't have a working copy
|
|
$status ||= "Needs Checkout" if ( not defined ( $wrev ) and defined ( $meta->{revision} ) );
|
|
|
|
# Locally modified if working copy and repo copy have the same revision but there are local changes
|
|
$status ||= "Locally Modified" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision} and $state->{entries}{$filename}{modified_filename} );
|
|
|
|
# Needs Merge if working copy revision is less than repo copy and there are local changes
|
|
$status ||= "Needs Merge" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev and $state->{entries}{$filename}{modified_filename} );
|
|
|
|
$status ||= "Locally Added" if ( defined ( $state->{entries}{$filename}{revision} ) and not defined ( $meta->{revision} ) );
|
|
$status ||= "Locally Removed" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and -$wrev == $meta->{revision} );
|
|
$status ||= "Unresolved Conflict" if ( defined ( $state->{entries}{$filename}{conflict} ) and $state->{entries}{$filename}{conflict} =~ /^\+=/ );
|
|
$status ||= "File had conflicts on merge" if ( 0 );
|
|
|
|
$status ||= "Unknown";
|
|
|
|
print "M ===================================================================\n";
|
|
print "M File: $filename\tStatus: $status\n";
|
|
if ( defined($state->{entries}{$filename}{revision}) )
|
|
{
|
|
print "M Working revision:\t" . $state->{entries}{$filename}{revision} . "\n";
|
|
} else {
|
|
print "M Working revision:\tNo entry for $filename\n";
|
|
}
|
|
if ( defined($meta->{revision}) )
|
|
{
|
|
print "M Repository revision:\t1." . $meta->{revision} . "\t$state->{repository}/$filename,v\n";
|
|
print "M Sticky Tag:\t\t(none)\n";
|
|
print "M Sticky Date:\t\t(none)\n";
|
|
print "M Sticky Options:\t\t(none)\n";
|
|
} else {
|
|
print "M Repository revision:\tNo revision control file\n";
|
|
}
|
|
print "M\n";
|
|
}
|
|
|
|
print "ok\n";
|
|
}
|
|
|
|
sub req_diff
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
argsplit("diff");
|
|
|
|
$log->debug("req_diff : " . ( defined($data) ? $data : "[NULL]" ));
|
|
#$log->debug("status state : " . Dumper($state));
|
|
|
|
my ($revision1, $revision2);
|
|
if ( defined ( $state->{opt}{r} ) and ref $state->{opt}{r} eq "ARRAY" )
|
|
{
|
|
$revision1 = $state->{opt}{r}[0];
|
|
$revision2 = $state->{opt}{r}[1];
|
|
} else {
|
|
$revision1 = $state->{opt}{r};
|
|
}
|
|
|
|
$revision1 =~ s/^1\.// if ( defined ( $revision1 ) );
|
|
$revision2 =~ s/^1\.// if ( defined ( $revision2 ) );
|
|
|
|
$log->debug("Diffing revisions " . ( defined($revision1) ? $revision1 : "[NULL]" ) . " and " . ( defined($revision2) ? $revision2 : "[NULL]" ) );
|
|
|
|
# Grab a handle to the SQLite db and do any necessary updates
|
|
my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
|
|
$updater->update();
|
|
|
|
# if no files were specified, we need to work out what files we should be providing status on ...
|
|
argsfromdir($updater);
|
|
|
|
# foreach file specified on the command line ...
|
|
foreach my $filename ( @{$state->{args}} )
|
|
{
|
|
$filename = filecleanup($filename);
|
|
|
|
my ( $fh, $file1, $file2, $meta1, $meta2, $filediff );
|
|
|
|
my $wrev = revparse($filename);
|
|
|
|
# We need _something_ to diff against
|
|
next unless ( defined ( $wrev ) );
|
|
|
|
# if we have a -r switch, use it
|
|
if ( defined ( $revision1 ) )
|
|
{
|
|
( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
|
|
$meta1 = $updater->getmeta($filename, $revision1);
|
|
unless ( defined ( $meta1 ) and $meta1->{filehash} ne "deleted" )
|
|
{
|
|
print "E File $filename at revision 1.$revision1 doesn't exist\n";
|
|
next;
|
|
}
|
|
transmitfile($meta1->{filehash}, $file1);
|
|
}
|
|
# otherwise we just use the working copy revision
|
|
else
|
|
{
|
|
( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
|
|
$meta1 = $updater->getmeta($filename, $wrev);
|
|
transmitfile($meta1->{filehash}, $file1);
|
|
}
|
|
|
|
# if we have a second -r switch, use it too
|
|
if ( defined ( $revision2 ) )
|
|
{
|
|
( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
|
|
$meta2 = $updater->getmeta($filename, $revision2);
|
|
|
|
unless ( defined ( $meta2 ) and $meta2->{filehash} ne "deleted" )
|
|
{
|
|
print "E File $filename at revision 1.$revision2 doesn't exist\n";
|
|
next;
|
|
}
|
|
|
|
transmitfile($meta2->{filehash}, $file2);
|
|
}
|
|
# otherwise we just use the working copy
|
|
else
|
|
{
|
|
$file2 = $state->{entries}{$filename}{modified_filename};
|
|
}
|
|
|
|
# if we have been given -r, and we don't have a $file2 yet, lets get one
|
|
if ( defined ( $revision1 ) and not defined ( $file2 ) )
|
|
{
|
|
( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
|
|
$meta2 = $updater->getmeta($filename, $wrev);
|
|
transmitfile($meta2->{filehash}, $file2);
|
|
}
|
|
|
|
# We need to have retrieved something useful
|
|
next unless ( defined ( $meta1 ) );
|
|
|
|
# Files to date if the working copy and repo copy have the same revision, and the working copy is unmodified
|
|
next if ( not defined ( $meta2 ) and $wrev == $meta1->{revision}
|
|
and
|
|
( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
|
|
or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta1->{filehash} ) )
|
|
);
|
|
|
|
# Apparently we only show diffs for locally modified files
|
|
next unless ( defined($meta2) or defined ( $state->{entries}{$filename}{modified_filename} ) );
|
|
|
|
print "M Index: $filename\n";
|
|
print "M ===================================================================\n";
|
|
print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
|
|
print "M retrieving revision 1.$meta1->{revision}\n" if ( defined ( $meta1 ) );
|
|
print "M retrieving revision 1.$meta2->{revision}\n" if ( defined ( $meta2 ) );
|
|
print "M diff ";
|
|
foreach my $opt ( keys %{$state->{opt}} )
|
|
{
|
|
if ( ref $state->{opt}{$opt} eq "ARRAY" )
|
|
{
|
|
foreach my $value ( @{$state->{opt}{$opt}} )
|
|
{
|
|
print "-$opt $value ";
|
|
}
|
|
} else {
|
|
print "-$opt ";
|
|
print "$state->{opt}{$opt} " if ( defined ( $state->{opt}{$opt} ) );
|
|
}
|
|
}
|
|
print "$filename\n";
|
|
|
|
$log->info("Diffing $filename -r $meta1->{revision} -r " . ( $meta2->{revision} or "workingcopy" ));
|
|
|
|
( $fh, $filediff ) = tempfile ( DIR => $TEMP_DIR );
|
|
|
|
if ( exists $state->{opt}{u} )
|
|
{
|
|
system("diff -u -L '$filename revision 1.$meta1->{revision}' -L '$filename " . ( defined($meta2->{revision}) ? "revision 1.$meta2->{revision}" : "working copy" ) . "' $file1 $file2 > $filediff");
|
|
} else {
|
|
system("diff $file1 $file2 > $filediff");
|
|
}
|
|
|
|
while ( <$fh> )
|
|
{
|
|
print "M $_";
|
|
}
|
|
close $fh;
|
|
}
|
|
|
|
print "ok\n";
|
|
}
|
|
|
|
sub req_log
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
argsplit("log");
|
|
|
|
$log->debug("req_log : " . ( defined($data) ? $data : "[NULL]" ));
|
|
#$log->debug("log state : " . Dumper($state));
|
|
|
|
my ( $minrev, $maxrev );
|
|
if ( defined ( $state->{opt}{r} ) and $state->{opt}{r} =~ /([\d.]+)?(::?)([\d.]+)?/ )
|
|
{
|
|
my $control = $2;
|
|
$minrev = $1;
|
|
$maxrev = $3;
|
|
$minrev =~ s/^1\.// if ( defined ( $minrev ) );
|
|
$maxrev =~ s/^1\.// if ( defined ( $maxrev ) );
|
|
$minrev++ if ( defined($minrev) and $control eq "::" );
|
|
}
|
|
|
|
# Grab a handle to the SQLite db and do any necessary updates
|
|
my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
|
|
$updater->update();
|
|
|
|
# if no files were specified, we need to work out what files we should be providing status on ...
|
|
argsfromdir($updater);
|
|
|
|
# foreach file specified on the command line ...
|
|
foreach my $filename ( @{$state->{args}} )
|
|
{
|
|
$filename = filecleanup($filename);
|
|
|
|
my $headmeta = $updater->getmeta($filename);
|
|
|
|
my $revisions = $updater->getlog($filename);
|
|
my $totalrevisions = scalar(@$revisions);
|
|
|
|
if ( defined ( $minrev ) )
|
|
{
|
|
$log->debug("Removing revisions less than $minrev");
|
|
while ( scalar(@$revisions) > 0 and $revisions->[-1]{revision} < $minrev )
|
|
{
|
|
pop @$revisions;
|
|
}
|
|
}
|
|
if ( defined ( $maxrev ) )
|
|
{
|
|
$log->debug("Removing revisions greater than $maxrev");
|
|
while ( scalar(@$revisions) > 0 and $revisions->[0]{revision} > $maxrev )
|
|
{
|
|
shift @$revisions;
|
|
}
|
|
}
|
|
|
|
next unless ( scalar(@$revisions) );
|
|
|
|
print "M \n";
|
|
print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
|
|
print "M Working file: $filename\n";
|
|
print "M head: 1.$headmeta->{revision}\n";
|
|
print "M branch:\n";
|
|
print "M locks: strict\n";
|
|
print "M access list:\n";
|
|
print "M symbolic names:\n";
|
|
print "M keyword substitution: kv\n";
|
|
print "M total revisions: $totalrevisions;\tselected revisions: " . scalar(@$revisions) . "\n";
|
|
print "M description:\n";
|
|
|
|
foreach my $revision ( @$revisions )
|
|
{
|
|
print "M ----------------------------\n";
|
|
print "M revision 1.$revision->{revision}\n";
|
|
# reformat the date for log output
|
|
$revision->{modified} = sprintf('%04d/%02d/%02d %s', $3, $DATE_LIST->{$2}, $1, $4 ) if ( $revision->{modified} =~ /(\d+)\s+(\w+)\s+(\d+)\s+(\S+)/ and defined($DATE_LIST->{$2}) );
|
|
$revision->{author} =~ s/\s+.*//;
|
|
$revision->{author} =~ s/^(.{8}).*/$1/;
|
|
print "M date: $revision->{modified}; author: $revision->{author}; state: " . ( $revision->{filehash} eq "deleted" ? "dead" : "Exp" ) . "; lines: +2 -3\n";
|
|
my $commitmessage = $updater->commitmessage($revision->{commithash});
|
|
$commitmessage =~ s/^/M /mg;
|
|
print $commitmessage . "\n";
|
|
}
|
|
print "M =============================================================================\n";
|
|
}
|
|
|
|
print "ok\n";
|
|
}
|
|
|
|
sub req_annotate
|
|
{
|
|
my ( $cmd, $data ) = @_;
|
|
|
|
argsplit("annotate");
|
|
|
|
$log->info("req_annotate : " . ( defined($data) ? $data : "[NULL]" ));
|
|
#$log->debug("status state : " . Dumper($state));
|
|
|
|
# Grab a handle to the SQLite db and do any necessary updates
|
|
my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
|
|
$updater->update();
|
|
|
|
# if no files were specified, we need to work out what files we should be providing annotate on ...
|
|
argsfromdir($updater);
|
|
|
|
# we'll need a temporary checkout dir
|
|
my $tmpdir = tempdir ( DIR => $TEMP_DIR );
|
|
my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
|
|
$log->info("Temp checkoutdir creation successful, basing annotate session work on '$tmpdir', index file is '$file_index'");
|
|
|
|
$ENV{GIT_DIR} = $state->{CVSROOT} . "/";
|
|
$ENV{GIT_INDEX_FILE} = $file_index;
|
|
|
|
chdir $tmpdir;
|
|
|
|
# foreach file specified on the command line ...
|
|
foreach my $filename ( @{$state->{args}} )
|
|
{
|
|
$filename = filecleanup($filename);
|
|
|
|
my $meta = $updater->getmeta($filename);
|
|
|
|
next unless ( $meta->{revision} );
|
|
|
|
# get all the commits that this file was in
|
|
# in dense format -- aka skip dead revisions
|
|
my $revisions = $updater->gethistorydense($filename);
|
|
my $lastseenin = $revisions->[0][2];
|
|
|
|
# populate the temporary index based on the latest commit were we saw
|
|
# the file -- but do it cheaply without checking out any files
|
|
# TODO: if we got a revision from the client, use that instead
|
|
# to look up the commithash in sqlite (still good to default to
|
|
# the current head as we do now)
|
|
system("git-read-tree", $lastseenin);
|
|
unless ($? == 0)
|
|
{
|
|
die "Error running git-read-tree $lastseenin $file_index $!";
|
|
}
|
|
$log->info("Created index '$file_index' with commit $lastseenin - exit status $?");
|
|
|
|
# do a checkout of the file
|
|
system('git-checkout-index', '-f', '-u', $filename);
|
|
unless ($? == 0) {
|
|
die "Error running git-checkout-index -f -u $filename : $!";
|
|
}
|
|
|
|
$log->info("Annotate $filename");
|
|
|
|
# Prepare a file with the commits from the linearized
|
|
# history that annotate should know about. This prevents
|
|
# git-jsannotate telling us about commits we are hiding
|
|
# from the client.
|
|
|
|
open(ANNOTATEHINTS, ">$tmpdir/.annotate_hints") or die "Error opening > $tmpdir/.annotate_hints $!";
|
|
for (my $i=0; $i < @$revisions; $i++)
|
|
{
|
|
print ANNOTATEHINTS $revisions->[$i][2];
|
|
if ($i+1 < @$revisions) { # have we got a parent?
|
|
print ANNOTATEHINTS ' ' . $revisions->[$i+1][2];
|
|
}
|
|
print ANNOTATEHINTS "\n";
|
|
}
|
|
|
|
print ANNOTATEHINTS "\n";
|
|
close ANNOTATEHINTS;
|
|
|
|
my $annotatecmd = 'git-annotate';
|
|
open(ANNOTATE, "-|", $annotatecmd, '-l', '-S', "$tmpdir/.annotate_hints", $filename)
|
|
or die "Error invoking $annotatecmd -l -S $tmpdir/.annotate_hints $filename : $!";
|
|
my $metadata = {};
|
|
print "E Annotations for $filename\n";
|
|
print "E ***************\n";
|
|
while ( <ANNOTATE> )
|
|
{
|
|
if (m/^([a-zA-Z0-9]{40})\t\([^\)]*\)(.*)$/i)
|
|
{
|
|
my $commithash = $1;
|
|
my $data = $2;
|
|
unless ( defined ( $metadata->{$commithash} ) )
|
|
{
|
|
$metadata->{$commithash} = $updater->getmeta($filename, $commithash);
|
|
$metadata->{$commithash}{author} =~ s/\s+.*//;
|
|
$metadata->{$commithash}{author} =~ s/^(.{8}).*/$1/;
|
|
$metadata->{$commithash}{modified} = sprintf("%02d-%s-%02d", $1, $2, $3) if ( $metadata->{$commithash}{modified} =~ /^(\d+)\s(\w+)\s\d\d(\d\d)/ );
|
|
}
|
|
printf("M 1.%-5d (%-8s %10s): %s\n",
|
|
$metadata->{$commithash}{revision},
|
|
$metadata->{$commithash}{author},
|
|
$metadata->{$commithash}{modified},
|
|
$data
|
|
);
|
|
} else {
|
|
$log->warn("Error in annotate output! LINE: $_");
|
|
print "E Annotate error \n";
|
|
next;
|
|
}
|
|
}
|
|
close ANNOTATE;
|
|
}
|
|
|
|
# done; get out of the tempdir
|
|
chdir "/";
|
|
|
|
print "ok\n";
|
|
|
|
}
|
|
|
|
# This method takes the state->{arguments} array and produces two new arrays.
|
|
# The first is $state->{args} which is everything before the '--' argument, and
|
|
# the second is $state->{files} which is everything after it.
|
|
sub argsplit
|
|
{
|
|
return unless( defined($state->{arguments}) and ref $state->{arguments} eq "ARRAY" );
|
|
|
|
my $type = shift;
|
|
|
|
$state->{args} = [];
|
|
$state->{files} = [];
|
|
$state->{opt} = {};
|
|
|
|
if ( defined($type) )
|
|
{
|
|
my $opt = {};
|
|
$opt = { A => 0, N => 0, P => 0, R => 0, c => 0, f => 0, l => 0, n => 0, p => 0, s => 0, r => 1, D => 1, d => 1, k => 1, j => 1, } if ( $type eq "co" );
|
|
$opt = { v => 0, l => 0, R => 0 } if ( $type eq "status" );
|
|
$opt = { A => 0, P => 0, C => 0, d => 0, f => 0, l => 0, R => 0, p => 0, k => 1, r => 1, D => 1, j => 1, I => 1, W => 1 } if ( $type eq "update" );
|
|
$opt = { l => 0, R => 0, k => 1, D => 1, D => 1, r => 2 } if ( $type eq "diff" );
|
|
$opt = { c => 0, R => 0, l => 0, f => 0, F => 1, m => 1, r => 1 } if ( $type eq "ci" );
|
|
$opt = { k => 1, m => 1 } if ( $type eq "add" );
|
|
$opt = { f => 0, l => 0, R => 0 } if ( $type eq "remove" );
|
|
$opt = { l => 0, b => 0, h => 0, R => 0, t => 0, N => 0, S => 0, r => 1, d => 1, s => 1, w => 1 } if ( $type eq "log" );
|
|
|
|
|
|
while ( scalar ( @{$state->{arguments}} ) > 0 )
|
|
{
|
|
my $arg = shift @{$state->{arguments}};
|
|
|
|
next if ( $arg eq "--" );
|
|
next unless ( $arg =~ /\S/ );
|
|
|
|
# if the argument looks like a switch
|
|
if ( $arg =~ /^-(\w)(.*)/ )
|
|
{
|
|
# if it's a switch that takes an argument
|
|
if ( $opt->{$1} )
|
|
{
|
|
# If this switch has already been provided
|
|
if ( $opt->{$1} > 1 and exists ( $state->{opt}{$1} ) )
|
|
{
|
|
$state->{opt}{$1} = [ $state->{opt}{$1} ];
|
|
if ( length($2) > 0 )
|
|
{
|
|
push @{$state->{opt}{$1}},$2;
|
|
} else {
|
|
push @{$state->{opt}{$1}}, shift @{$state->{arguments}};
|
|
}
|
|
} else {
|
|
# if there's extra data in the arg, use that as the argument for the switch
|
|
if ( length($2) > 0 )
|
|
{
|
|
$state->{opt}{$1} = $2;
|
|
} else {
|
|
$state->{opt}{$1} = shift @{$state->{arguments}};
|
|
}
|
|
}
|
|
} else {
|
|
$state->{opt}{$1} = undef;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
push @{$state->{args}}, $arg;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
my $mode = 0;
|
|
|
|
foreach my $value ( @{$state->{arguments}} )
|
|
{
|
|
if ( $value eq "--" )
|
|
{
|
|
$mode++;
|
|
next;
|
|
}
|
|
push @{$state->{args}}, $value if ( $mode == 0 );
|
|
push @{$state->{files}}, $value if ( $mode == 1 );
|
|
}
|
|
}
|
|
}
|
|
|
|
# This method uses $state->{directory} to populate $state->{args} with a list of filenames
|
|
sub argsfromdir
|
|
{
|
|
my $updater = shift;
|
|
|
|
$state->{args} = [] if ( scalar(@{$state->{args}}) == 1 and $state->{args}[0] eq "." );
|
|
|
|
return if ( scalar ( @{$state->{args}} ) > 1 );
|
|
|
|
if ( scalar(@{$state->{args}}) == 1 )
|
|
{
|
|
my $arg = $state->{args}[0];
|
|
$arg .= $state->{prependdir} if ( defined ( $state->{prependdir} ) );
|
|
|
|
$log->info("Only one arg specified, checking for directory expansion on '$arg'");
|
|
|
|
foreach my $file ( @{$updater->gethead} )
|
|
{
|
|
next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
|
|
next unless ( $file->{name} =~ /^$arg\// or $file->{name} eq $arg );
|
|
push @{$state->{args}}, $file->{name};
|
|
}
|
|
|
|
shift @{$state->{args}} if ( scalar(@{$state->{args}}) > 1 );
|
|
} else {
|
|
$log->info("Only one arg specified, populating file list automatically");
|
|
|
|
$state->{args} = [];
|
|
|
|
foreach my $file ( @{$updater->gethead} )
|
|
{
|
|
next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
|
|
next unless ( $file->{name} =~ s/^$state->{prependdir}// );
|
|
push @{$state->{args}}, $file->{name};
|
|
}
|
|
}
|
|
}
|
|
|
|
# This method cleans up the $state variable after a command that uses arguments has run
|
|
sub statecleanup
|
|
{
|
|
$state->{files} = [];
|
|
$state->{args} = [];
|
|
$state->{arguments} = [];
|
|
$state->{entries} = {};
|
|
}
|
|
|
|
sub revparse
|
|
{
|
|
my $filename = shift;
|
|
|
|
return undef unless ( defined ( $state->{entries}{$filename}{revision} ) );
|
|
|
|
return $1 if ( $state->{entries}{$filename}{revision} =~ /^1\.(\d+)/ );
|
|
return -$1 if ( $state->{entries}{$filename}{revision} =~ /^-1\.(\d+)/ );
|
|
|
|
return undef;
|
|
}
|
|
|
|
# This method takes a file hash and does a CVS "file transfer" which transmits the
|
|
# size of the file, and then the file contents.
|
|
# If a second argument $targetfile is given, the file is instead written out to
|
|
# a file by the name of $targetfile
|
|
sub transmitfile
|
|
{
|
|
my $filehash = shift;
|
|
my $targetfile = shift;
|
|
|
|
if ( defined ( $filehash ) and $filehash eq "deleted" )
|
|
{
|
|
$log->warn("filehash is 'deleted'");
|
|
return;
|
|
}
|
|
|
|
die "Need filehash" unless ( defined ( $filehash ) and $filehash =~ /^[a-zA-Z0-9]{40}$/ );
|
|
|
|
my $type = `git-cat-file -t $filehash`;
|
|
chomp $type;
|
|
|
|
die ( "Invalid type '$type' (expected 'blob')" ) unless ( defined ( $type ) and $type eq "blob" );
|
|
|
|
my $size = `git-cat-file -s $filehash`;
|
|
chomp $size;
|
|
|
|
$log->debug("transmitfile($filehash) size=$size, type=$type");
|
|
|
|
if ( open my $fh, '-|', "git-cat-file", "blob", $filehash )
|
|
{
|
|
if ( defined ( $targetfile ) )
|
|
{
|
|
open NEWFILE, ">", $targetfile or die("Couldn't open '$targetfile' for writing : $!");
|
|
print NEWFILE $_ while ( <$fh> );
|
|
close NEWFILE;
|
|
} else {
|
|
print "$size\n";
|
|
print while ( <$fh> );
|
|
}
|
|
close $fh or die ("Couldn't close filehandle for transmitfile()");
|
|
} else {
|
|
die("Couldn't execute git-cat-file");
|
|
}
|
|
}
|
|
|
|
# This method takes a file name, and returns ( $dirpart, $filepart ) which
|
|
# refers to the directory portion and the file portion of the filename
|
|
# respectively
|
|
sub filenamesplit
|
|
{
|
|
my $filename = shift;
|
|
my $fixforlocaldir = shift;
|
|
|
|
my ( $filepart, $dirpart ) = ( $filename, "." );
|
|
( $filepart, $dirpart ) = ( $2, $1 ) if ( $filename =~ /(.*)\/(.*)/ );
|
|
$dirpart .= "/";
|
|
|
|
if ( $fixforlocaldir )
|
|
{
|
|
$dirpart =~ s/^$state->{prependdir}//;
|
|
}
|
|
|
|
return ( $filepart, $dirpart );
|
|
}
|
|
|
|
sub filecleanup
|
|
{
|
|
my $filename = shift;
|
|
|
|
return undef unless(defined($filename));
|
|
if ( $filename =~ /^\// )
|
|
{
|
|
print "E absolute filenames '$filename' not supported by server\n";
|
|
return undef;
|
|
}
|
|
|
|
$filename =~ s/^\.\///g;
|
|
$filename = $state->{prependdir} . $filename;
|
|
return $filename;
|
|
}
|
|
|
|
package GITCVS::log;
|
|
|
|
####
|
|
#### Copyright The Open University UK - 2006.
|
|
####
|
|
#### Authors: Martyn Smith <martyn@catalyst.net.nz>
|
|
#### Martin Langhoff <martin@catalyst.net.nz>
|
|
####
|
|
####
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
=head1 NAME
|
|
|
|
GITCVS::log
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
This module provides very crude logging with a similar interface to
|
|
Log::Log4perl
|
|
|
|
=head1 METHODS
|
|
|
|
=cut
|
|
|
|
=head2 new
|
|
|
|
Creates a new log object, optionally you can specify a filename here to
|
|
indicate the file to log to. If no log file is specified, you can specify one
|
|
later with method setfile, or indicate you no longer want logging with method
|
|
nofile.
|
|
|
|
Until one of these methods is called, all log calls will buffer messages ready
|
|
to write out.
|
|
|
|
=cut
|
|
sub new
|
|
{
|
|
my $class = shift;
|
|
my $filename = shift;
|
|
|
|
my $self = {};
|
|
|
|
bless $self, $class;
|
|
|
|
if ( defined ( $filename ) )
|
|
{
|
|
open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
|
|
}
|
|
|
|
return $self;
|
|
}
|
|
|
|
=head2 setfile
|
|
|
|
This methods takes a filename, and attempts to open that file as the log file.
|
|
If successful, all buffered data is written out to the file, and any further
|
|
logging is written directly to the file.
|
|
|
|
=cut
|
|
sub setfile
|
|
{
|
|
my $self = shift;
|
|
my $filename = shift;
|
|
|
|
if ( defined ( $filename ) )
|
|
{
|
|
open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
|
|
}
|
|
|
|
return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
|
|
|
|
while ( my $line = shift @{$self->{buffer}} )
|
|
{
|
|
print {$self->{fh}} $line;
|
|
}
|
|
}
|
|
|
|
=head2 nofile
|
|
|
|
This method indicates no logging is going to be used. It flushes any entries in
|
|
the internal buffer, and sets a flag to ensure no further data is put there.
|
|
|
|
=cut
|
|
sub nofile
|
|
{
|
|
my $self = shift;
|
|
|
|
$self->{nolog} = 1;
|
|
|
|
return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
|
|
|
|
$self->{buffer} = [];
|
|
}
|
|
|
|
=head2 _logopen
|
|
|
|
Internal method. Returns true if the log file is open, false otherwise.
|
|
|
|
=cut
|
|
sub _logopen
|
|
{
|
|
my $self = shift;
|
|
|
|
return 1 if ( defined ( $self->{fh} ) and ref $self->{fh} eq "GLOB" );
|
|
return 0;
|
|
}
|
|
|
|
=head2 debug info warn fatal
|
|
|
|
These four methods are wrappers to _log. They provide the actual interface for
|
|
logging data.
|
|
|
|
=cut
|
|
sub debug { my $self = shift; $self->_log("debug", @_); }
|
|
sub info { my $self = shift; $self->_log("info" , @_); }
|
|
sub warn { my $self = shift; $self->_log("warn" , @_); }
|
|
sub fatal { my $self = shift; $self->_log("fatal", @_); }
|
|
|
|
=head2 _log
|
|
|
|
This is an internal method called by the logging functions. It generates a
|
|
timestamp and pushes the logged line either to file, or internal buffer.
|
|
|
|
=cut
|
|
sub _log
|
|
{
|
|
my $self = shift;
|
|
my $level = shift;
|
|
|
|
return if ( $self->{nolog} );
|
|
|
|
my @time = localtime;
|
|
my $timestring = sprintf("%4d-%02d-%02d %02d:%02d:%02d : %-5s",
|
|
$time[5] + 1900,
|
|
$time[4] + 1,
|
|
$time[3],
|
|
$time[2],
|
|
$time[1],
|
|
$time[0],
|
|
uc $level,
|
|
);
|
|
|
|
if ( $self->_logopen )
|
|
{
|
|
print {$self->{fh}} $timestring . " - " . join(" ",@_) . "\n";
|
|
} else {
|
|
push @{$self->{buffer}}, $timestring . " - " . join(" ",@_) . "\n";
|
|
}
|
|
}
|
|
|
|
=head2 DESTROY
|
|
|
|
This method simply closes the file handle if one is open
|
|
|
|
=cut
|
|
sub DESTROY
|
|
{
|
|
my $self = shift;
|
|
|
|
if ( $self->_logopen )
|
|
{
|
|
close $self->{fh};
|
|
}
|
|
}
|
|
|
|
package GITCVS::updater;
|
|
|
|
####
|
|
#### Copyright The Open University UK - 2006.
|
|
####
|
|
#### Authors: Martyn Smith <martyn@catalyst.net.nz>
|
|
#### Martin Langhoff <martin@catalyst.net.nz>
|
|
####
|
|
####
|
|
|
|
use strict;
|
|
use warnings;
|
|
use DBI;
|
|
|
|
=head1 METHODS
|
|
|
|
=cut
|
|
|
|
=head2 new
|
|
|
|
=cut
|
|
sub new
|
|
{
|
|
my $class = shift;
|
|
my $config = shift;
|
|
my $module = shift;
|
|
my $log = shift;
|
|
|
|
die "Need to specify a git repository" unless ( defined($config) and -d $config );
|
|
die "Need to specify a module" unless ( defined($module) );
|
|
|
|
$class = ref($class) || $class;
|
|
|
|
my $self = {};
|
|
|
|
bless $self, $class;
|
|
|
|
$self->{dbdir} = $config . "/";
|
|
die "Database dir '$self->{dbdir}' isn't a directory" unless ( defined($self->{dbdir}) and -d $self->{dbdir} );
|
|
|
|
$self->{module} = $module;
|
|
$self->{file} = $self->{dbdir} . "/gitcvs.$module.sqlite";
|
|
|
|
$self->{git_path} = $config . "/";
|
|
|
|
$self->{log} = $log;
|
|
|
|
die "Git repo '$self->{git_path}' doesn't exist" unless ( -d $self->{git_path} );
|
|
|
|
$self->{dbh} = DBI->connect("dbi:SQLite:dbname=" . $self->{file},"","");
|
|
|
|
$self->{tables} = {};
|
|
foreach my $table ( $self->{dbh}->tables )
|
|
{
|
|
$table =~ s/^"//;
|
|
$table =~ s/"$//;
|
|
$self->{tables}{$table} = 1;
|
|
}
|
|
|
|
# Construct the revision table if required
|
|
unless ( $self->{tables}{revision} )
|
|
{
|
|
$self->{dbh}->do("
|
|
CREATE TABLE revision (
|
|
name TEXT NOT NULL,
|
|
revision INTEGER NOT NULL,
|
|
filehash TEXT NOT NULL,
|
|
commithash TEXT NOT NULL,
|
|
author TEXT NOT NULL,
|
|
modified TEXT NOT NULL,
|
|
mode TEXT NOT NULL
|
|
)
|
|
");
|
|
}
|
|
|
|
# Construct the revision table if required
|
|
unless ( $self->{tables}{head} )
|
|
{
|
|
$self->{dbh}->do("
|
|
CREATE TABLE head (
|
|
name TEXT NOT NULL,
|
|
revision INTEGER NOT NULL,
|
|
filehash TEXT NOT NULL,
|
|
commithash TEXT NOT NULL,
|
|
author TEXT NOT NULL,
|
|
modified TEXT NOT NULL,
|
|
mode TEXT NOT NULL
|
|
)
|
|
");
|
|
}
|
|
|
|
# Construct the properties table if required
|
|
unless ( $self->{tables}{properties} )
|
|
{
|
|
$self->{dbh}->do("
|
|
CREATE TABLE properties (
|
|
key TEXT NOT NULL PRIMARY KEY,
|
|
value TEXT
|
|
)
|
|
");
|
|
}
|
|
|
|
# Construct the commitmsgs table if required
|
|
unless ( $self->{tables}{commitmsgs} )
|
|
{
|
|
$self->{dbh}->do("
|
|
CREATE TABLE commitmsgs (
|
|
key TEXT NOT NULL PRIMARY KEY,
|
|
value TEXT
|
|
)
|
|
");
|
|
}
|
|
|
|
return $self;
|
|
}
|
|
|
|
=head2 update
|
|
|
|
=cut
|
|
sub update
|
|
{
|
|
my $self = shift;
|
|
|
|
# first lets get the commit list
|
|
$ENV{GIT_DIR} = $self->{git_path};
|
|
|
|
# prepare database queries
|
|
my $db_insert_rev = $self->{dbh}->prepare_cached("INSERT INTO revision (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
|
|
my $db_insert_mergelog = $self->{dbh}->prepare_cached("INSERT INTO commitmsgs (key, value) VALUES (?,?)",{},1);
|
|
my $db_delete_head = $self->{dbh}->prepare_cached("DELETE FROM head",{},1);
|
|
my $db_insert_head = $self->{dbh}->prepare_cached("INSERT INTO head (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
|
|
|
|
my $commitinfo = `git-cat-file commit $self->{module} 2>&1`;
|
|
unless ( $commitinfo =~ /tree\s+[a-zA-Z0-9]{40}/ )
|
|
{
|
|
die("Invalid module '$self->{module}'");
|
|
}
|
|
|
|
|
|
my $git_log;
|
|
my $lastcommit = $self->_get_prop("last_commit");
|
|
|
|
# Start exclusive lock here...
|
|
$self->{dbh}->begin_work() or die "Cannot lock database for BEGIN";
|
|
|
|
# TODO: log processing is memory bound
|
|
# if we can parse into a 2nd file that is in reverse order
|
|
# we can probably do something really efficient
|
|
my @git_log_params = ('--pretty', '--parents', '--topo-order');
|
|
|
|
if (defined $lastcommit) {
|
|
push @git_log_params, "$lastcommit..$self->{module}";
|
|
} else {
|
|
push @git_log_params, $self->{module};
|
|
}
|
|
# git-rev-list is the backend / plumbing version of git-log
|
|
open(GITLOG, '-|', 'git-rev-list', @git_log_params) or die "Cannot call git-rev-list: $!";
|
|
|
|
my @commits;
|
|
|
|
my %commit = ();
|
|
|
|
while ( <GITLOG> )
|
|
{
|
|
chomp;
|
|
if (m/^commit\s+(.*)$/) {
|
|
# on ^commit lines put the just seen commit in the stack
|
|
# and prime things for the next one
|
|
if (keys %commit) {
|
|
my %copy = %commit;
|
|
unshift @commits, \%copy;
|
|
%commit = ();
|
|
}
|
|
my @parents = split(m/\s+/, $1);
|
|
$commit{hash} = shift @parents;
|
|
$commit{parents} = \@parents;
|
|
} elsif (m/^(\w+?):\s+(.*)$/ && !exists($commit{message})) {
|
|
# on rfc822-like lines seen before we see any message,
|
|
# lowercase the entry and put it in the hash as key-value
|
|
$commit{lc($1)} = $2;
|
|
} else {
|
|
# message lines - skip initial empty line
|
|
# and trim whitespace
|
|
if (!exists($commit{message}) && m/^\s*$/) {
|
|
# define it to mark the end of headers
|
|
$commit{message} = '';
|
|
next;
|
|
}
|
|
s/^\s+//; s/\s+$//; # trim ws
|
|
$commit{message} .= $_ . "\n";
|
|
}
|
|
}
|
|
close GITLOG;
|
|
|
|
unshift @commits, \%commit if ( keys %commit );
|
|
|
|
# Now all the commits are in the @commits bucket
|
|
# ordered by time DESC. for each commit that needs processing,
|
|
# determine whether it's following the last head we've seen or if
|
|
# it's on its own branch, grab a file list, and add whatever's changed
|
|
# NOTE: $lastcommit refers to the last commit from previous run
|
|
# $lastpicked is the last commit we picked in this run
|
|
my $lastpicked;
|
|
my $head = {};
|
|
if (defined $lastcommit) {
|
|
$lastpicked = $lastcommit;
|
|
}
|
|
|
|
my $committotal = scalar(@commits);
|
|
my $commitcount = 0;
|
|
|
|
# Load the head table into $head (for cached lookups during the update process)
|
|
foreach my $file ( @{$self->gethead()} )
|
|
{
|
|
$head->{$file->{name}} = $file;
|
|
}
|
|
|
|
foreach my $commit ( @commits )
|
|
{
|
|
$self->{log}->debug("GITCVS::updater - Processing commit $commit->{hash} (" . (++$commitcount) . " of $committotal)");
|
|
if (defined $lastpicked)
|
|
{
|
|
if (!in_array($lastpicked, @{$commit->{parents}}))
|
|
{
|
|
# skip, we'll see this delta
|
|
# as part of a merge later
|
|
# warn "skipping off-track $commit->{hash}\n";
|
|
next;
|
|
} elsif (@{$commit->{parents}} > 1) {
|
|
# it is a merge commit, for each parent that is
|
|
# not $lastpicked, see if we can get a log
|
|
# from the merge-base to that parent to put it
|
|
# in the message as a merge summary.
|
|
my @parents = @{$commit->{parents}};
|
|
foreach my $parent (@parents) {
|
|
# git-merge-base can potentially (but rarely) throw
|
|
# several candidate merge bases. let's assume
|
|
# that the first one is the best one.
|
|
if ($parent eq $lastpicked) {
|
|
next;
|
|
}
|
|
open my $p, 'git-merge-base '. $lastpicked . ' '
|
|
. $parent . '|';
|
|
my @output = (<$p>);
|
|
close $p;
|
|
my $base = join('', @output);
|
|
chomp $base;
|
|
if ($base) {
|
|
my @merged;
|
|
# print "want to log between $base $parent \n";
|
|
open(GITLOG, '-|', 'git-log', "$base..$parent")
|
|
or die "Cannot call git-log: $!";
|
|
my $mergedhash;
|
|
while (<GITLOG>) {
|
|
chomp;
|
|
if (!defined $mergedhash) {
|
|
if (m/^commit\s+(.+)$/) {
|
|
$mergedhash = $1;
|
|
} else {
|
|
next;
|
|
}
|
|
} else {
|
|
# grab the first line that looks non-rfc822
|
|
# aka has content after leading space
|
|
if (m/^\s+(\S.*)$/) {
|
|
my $title = $1;
|
|
$title = substr($title,0,100); # truncate
|
|
unshift @merged, "$mergedhash $title";
|
|
undef $mergedhash;
|
|
}
|
|
}
|
|
}
|
|
close GITLOG;
|
|
if (@merged) {
|
|
$commit->{mergemsg} = $commit->{message};
|
|
$commit->{mergemsg} .= "\nSummary of merged commits:\n\n";
|
|
foreach my $summary (@merged) {
|
|
$commit->{mergemsg} .= "\t$summary\n";
|
|
}
|
|
$commit->{mergemsg} .= "\n\n";
|
|
# print "Message for $commit->{hash} \n$commit->{mergemsg}";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# convert the date to CVS-happy format
|
|
$commit->{date} = "$2 $1 $4 $3 $5" if ( $commit->{date} =~ /^\w+\s+(\w+)\s+(\d+)\s+(\d+:\d+:\d+)\s+(\d+)\s+([+-]\d+)$/ );
|
|
|
|
if ( defined ( $lastpicked ) )
|
|
{
|
|
my $filepipe = open(FILELIST, '-|', 'git-diff-tree', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
|
|
while ( <FILELIST> )
|
|
{
|
|
unless ( /^:\d{6}\s+\d{3}(\d)\d{2}\s+[a-zA-Z0-9]{40}\s+([a-zA-Z0-9]{40})\s+(\w)\s+(.*)$/o )
|
|
{
|
|
die("Couldn't process git-diff-tree line : $_");
|
|
}
|
|
|
|
# $log->debug("File mode=$1, hash=$2, change=$3, name=$4");
|
|
|
|
my $git_perms = "";
|
|
$git_perms .= "r" if ( $1 & 4 );
|
|
$git_perms .= "w" if ( $1 & 2 );
|
|
$git_perms .= "x" if ( $1 & 1 );
|
|
$git_perms = "rw" if ( $git_perms eq "" );
|
|
|
|
if ( $3 eq "D" )
|
|
{
|
|
#$log->debug("DELETE $4");
|
|
$head->{$4} = {
|
|
name => $4,
|
|
revision => $head->{$4}{revision} + 1,
|
|
filehash => "deleted",
|
|
commithash => $commit->{hash},
|
|
modified => $commit->{date},
|
|
author => $commit->{author},
|
|
mode => $git_perms,
|
|
};
|
|
$db_insert_rev->execute($4, $head->{$4}{revision}, $2, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
|
|
}
|
|
elsif ( $3 eq "M" )
|
|
{
|
|
#$log->debug("MODIFIED $4");
|
|
$head->{$4} = {
|
|
name => $4,
|
|
revision => $head->{$4}{revision} + 1,
|
|
filehash => $2,
|
|
commithash => $commit->{hash},
|
|
modified => $commit->{date},
|
|
author => $commit->{author},
|
|
mode => $git_perms,
|
|
};
|
|
$db_insert_rev->execute($4, $head->{$4}{revision}, $2, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
|
|
}
|
|
elsif ( $3 eq "A" )
|
|
{
|
|
#$log->debug("ADDED $4");
|
|
$head->{$4} = {
|
|
name => $4,
|
|
revision => 1,
|
|
filehash => $2,
|
|
commithash => $commit->{hash},
|
|
modified => $commit->{date},
|
|
author => $commit->{author},
|
|
mode => $git_perms,
|
|
};
|
|
$db_insert_rev->execute($4, $head->{$4}{revision}, $2, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
|
|
}
|
|
else
|
|
{
|
|
$log->warn("UNKNOWN FILE CHANGE mode=$1, hash=$2, change=$3, name=$4");
|
|
die;
|
|
}
|
|
}
|
|
close FILELIST;
|
|
} else {
|
|
# this is used to detect files removed from the repo
|
|
my $seen_files = {};
|
|
|
|
my $filepipe = open(FILELIST, '-|', 'git-ls-tree', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
|
|
while ( <FILELIST> )
|
|
{
|
|
unless ( /^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\s+(.*)$/o )
|
|
{
|
|
die("Couldn't process git-ls-tree line : $_");
|
|
}
|
|
|
|
my ( $git_perms, $git_type, $git_hash, $git_filename ) = ( $1, $2, $3, $4 );
|
|
|
|
$seen_files->{$git_filename} = 1;
|
|
|
|
my ( $oldhash, $oldrevision, $oldmode ) = (
|
|
$head->{$git_filename}{filehash},
|
|
$head->{$git_filename}{revision},
|
|
$head->{$git_filename}{mode}
|
|
);
|
|
|
|
if ( $git_perms =~ /^\d\d\d(\d)\d\d/o )
|
|
{
|
|
$git_perms = "";
|
|
$git_perms .= "r" if ( $1 & 4 );
|
|
$git_perms .= "w" if ( $1 & 2 );
|
|
$git_perms .= "x" if ( $1 & 1 );
|
|
} else {
|
|
$git_perms = "rw";
|
|
}
|
|
|
|
# unless the file exists with the same hash, we need to update it ...
|
|
unless ( defined($oldhash) and $oldhash eq $git_hash and defined($oldmode) and $oldmode eq $git_perms )
|
|
{
|
|
my $newrevision = ( $oldrevision or 0 ) + 1;
|
|
|
|
$head->{$git_filename} = {
|
|
name => $git_filename,
|
|
revision => $newrevision,
|
|
filehash => $git_hash,
|
|
commithash => $commit->{hash},
|
|
modified => $commit->{date},
|
|
author => $commit->{author},
|
|
mode => $git_perms,
|
|
};
|
|
|
|
|
|
$db_insert_rev->execute($git_filename, $newrevision, $git_hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
|
|
}
|
|
}
|
|
close FILELIST;
|
|
|
|
# Detect deleted files
|
|
foreach my $file ( keys %$head )
|
|
{
|
|
unless ( exists $seen_files->{$file} or $head->{$file}{filehash} eq "deleted" )
|
|
{
|
|
$head->{$file}{revision}++;
|
|
$head->{$file}{filehash} = "deleted";
|
|
$head->{$file}{commithash} = $commit->{hash};
|
|
$head->{$file}{modified} = $commit->{date};
|
|
$head->{$file}{author} = $commit->{author};
|
|
|
|
$db_insert_rev->execute($file, $head->{$file}{revision}, $head->{$file}{filehash}, $commit->{hash}, $commit->{date}, $commit->{author}, $head->{$file}{mode});
|
|
}
|
|
}
|
|
# END : "Detect deleted files"
|
|
}
|
|
|
|
|
|
if (exists $commit->{mergemsg})
|
|
{
|
|
$db_insert_mergelog->execute($commit->{hash}, $commit->{mergemsg});
|
|
}
|
|
|
|
$lastpicked = $commit->{hash};
|
|
|
|
$self->_set_prop("last_commit", $commit->{hash});
|
|
}
|
|
|
|
$db_delete_head->execute();
|
|
foreach my $file ( keys %$head )
|
|
{
|
|
$db_insert_head->execute(
|
|
$file,
|
|
$head->{$file}{revision},
|
|
$head->{$file}{filehash},
|
|
$head->{$file}{commithash},
|
|
$head->{$file}{modified},
|
|
$head->{$file}{author},
|
|
$head->{$file}{mode},
|
|
);
|
|
}
|
|
# invalidate the gethead cache
|
|
$self->{gethead_cache} = undef;
|
|
|
|
|
|
# Ending exclusive lock here
|
|
$self->{dbh}->commit() or die "Failed to commit changes to SQLite";
|
|
}
|
|
|
|
sub _headrev
|
|
{
|
|
my $self = shift;
|
|
my $filename = shift;
|
|
|
|
my $db_query = $self->{dbh}->prepare_cached("SELECT filehash, revision, mode FROM head WHERE name=?",{},1);
|
|
$db_query->execute($filename);
|
|
my ( $hash, $revision, $mode ) = $db_query->fetchrow_array;
|
|
|
|
return ( $hash, $revision, $mode );
|
|
}
|
|
|
|
sub _get_prop
|
|
{
|
|
my $self = shift;
|
|
my $key = shift;
|
|
|
|
my $db_query = $self->{dbh}->prepare_cached("SELECT value FROM properties WHERE key=?",{},1);
|
|
$db_query->execute($key);
|
|
my ( $value ) = $db_query->fetchrow_array;
|
|
|
|
return $value;
|
|
}
|
|
|
|
sub _set_prop
|
|
{
|
|
my $self = shift;
|
|
my $key = shift;
|
|
my $value = shift;
|
|
|
|
my $db_query = $self->{dbh}->prepare_cached("UPDATE properties SET value=? WHERE key=?",{},1);
|
|
$db_query->execute($value, $key);
|
|
|
|
unless ( $db_query->rows )
|
|
{
|
|
$db_query = $self->{dbh}->prepare_cached("INSERT INTO properties (key, value) VALUES (?,?)",{},1);
|
|
$db_query->execute($key, $value);
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
=head2 gethead
|
|
|
|
=cut
|
|
|
|
sub gethead
|
|
{
|
|
my $self = shift;
|
|
|
|
return $self->{gethead_cache} if ( defined ( $self->{gethead_cache} ) );
|
|
|
|
my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, mode, revision, modified, commithash, author FROM head ORDER BY name ASC",{},1);
|
|
$db_query->execute();
|
|
|
|
my $tree = [];
|
|
while ( my $file = $db_query->fetchrow_hashref )
|
|
{
|
|
push @$tree, $file;
|
|
}
|
|
|
|
$self->{gethead_cache} = $tree;
|
|
|
|
return $tree;
|
|
}
|
|
|
|
=head2 getlog
|
|
|
|
=cut
|
|
|
|
sub getlog
|
|
{
|
|
my $self = shift;
|
|
my $filename = shift;
|
|
|
|
my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, author, mode, revision, modified, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
|
|
$db_query->execute($filename);
|
|
|
|
my $tree = [];
|
|
while ( my $file = $db_query->fetchrow_hashref )
|
|
{
|
|
push @$tree, $file;
|
|
}
|
|
|
|
return $tree;
|
|
}
|
|
|
|
=head2 getmeta
|
|
|
|
This function takes a filename (with path) argument and returns a hashref of
|
|
metadata for that file.
|
|
|
|
=cut
|
|
|
|
sub getmeta
|
|
{
|
|
my $self = shift;
|
|
my $filename = shift;
|
|
my $revision = shift;
|
|
|
|
my $db_query;
|
|
if ( defined($revision) and $revision =~ /^\d+$/ )
|
|
{
|
|
$db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND revision=?",{},1);
|
|
$db_query->execute($filename, $revision);
|
|
}
|
|
elsif ( defined($revision) and $revision =~ /^[a-zA-Z0-9]{40}$/ )
|
|
{
|
|
$db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND commithash=?",{},1);
|
|
$db_query->execute($filename, $revision);
|
|
} else {
|
|
$db_query = $self->{dbh}->prepare_cached("SELECT * FROM head WHERE name=?",{},1);
|
|
$db_query->execute($filename);
|
|
}
|
|
|
|
return $db_query->fetchrow_hashref;
|
|
}
|
|
|
|
=head2 commitmessage
|
|
|
|
this function takes a commithash and returns the commit message for that commit
|
|
|
|
=cut
|
|
sub commitmessage
|
|
{
|
|
my $self = shift;
|
|
my $commithash = shift;
|
|
|
|
die("Need commithash") unless ( defined($commithash) and $commithash =~ /^[a-zA-Z0-9]{40}$/ );
|
|
|
|
my $db_query;
|
|
$db_query = $self->{dbh}->prepare_cached("SELECT value FROM commitmsgs WHERE key=?",{},1);
|
|
$db_query->execute($commithash);
|
|
|
|
my ( $message ) = $db_query->fetchrow_array;
|
|
|
|
if ( defined ( $message ) )
|
|
{
|
|
$message .= " " if ( $message =~ /\n$/ );
|
|
return $message;
|
|
}
|
|
|
|
my @lines = safe_pipe_capture("git-cat-file", "commit", $commithash);
|
|
shift @lines while ( $lines[0] =~ /\S/ );
|
|
$message = join("",@lines);
|
|
$message .= " " if ( $message =~ /\n$/ );
|
|
return $message;
|
|
}
|
|
|
|
=head2 gethistory
|
|
|
|
This function takes a filename (with path) argument and returns an arrayofarrays
|
|
containing revision,filehash,commithash ordered by revision descending
|
|
|
|
=cut
|
|
sub gethistory
|
|
{
|
|
my $self = shift;
|
|
my $filename = shift;
|
|
|
|
my $db_query;
|
|
$db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
|
|
$db_query->execute($filename);
|
|
|
|
return $db_query->fetchall_arrayref;
|
|
}
|
|
|
|
=head2 gethistorydense
|
|
|
|
This function takes a filename (with path) argument and returns an arrayofarrays
|
|
containing revision,filehash,commithash ordered by revision descending.
|
|
|
|
This version of gethistory skips deleted entries -- so it is useful for annotate.
|
|
The 'dense' part is a reference to a '--dense' option available for git-rev-list
|
|
and other git tools that depend on it.
|
|
|
|
=cut
|
|
sub gethistorydense
|
|
{
|
|
my $self = shift;
|
|
my $filename = shift;
|
|
|
|
my $db_query;
|
|
$db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
|
|
$db_query->execute($filename);
|
|
|
|
return $db_query->fetchall_arrayref;
|
|
}
|
|
|
|
=head2 in_array()
|
|
|
|
from Array::PAT - mimics the in_array() function
|
|
found in PHP. Yuck but works for small arrays.
|
|
|
|
=cut
|
|
sub in_array
|
|
{
|
|
my ($check, @array) = @_;
|
|
my $retval = 0;
|
|
foreach my $test (@array){
|
|
if($check eq $test){
|
|
$retval = 1;
|
|
}
|
|
}
|
|
return $retval;
|
|
}
|
|
|
|
=head2 safe_pipe_capture
|
|
|
|
an alternative to `command` that allows input to be passed as an array
|
|
to work around shell problems with weird characters in arguments
|
|
|
|
=cut
|
|
sub safe_pipe_capture {
|
|
|
|
my @output;
|
|
|
|
if (my $pid = open my $child, '-|') {
|
|
@output = (<$child>);
|
|
close $child or die join(' ',@_).": $! $?";
|
|
} else {
|
|
exec(@_) or die "$! $?"; # exec() can fail the executable can't be found
|
|
}
|
|
return wantarray ? @output : join('',@output);
|
|
}
|
|
|
|
|
|
1;
|