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Merge branch 'jc/color' into next

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* jc/color:
  Add colordiff for git to contrib/colordiff.
  Makefile: dependency for builtin-help.o
This commit is contained in:
Junio C Hamano 2006-04-21 22:25:16 -07:00
commit 076d1d6adc
3 changed files with 200 additions and 0 deletions
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2
Makefile
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@ -470,6 +470,8 @@ git$X: git.c common-cmds.h $(BUILTIN_OBJS) $(GITLIBS)
$(ALL_CFLAGS) -o $@ $(filter %.c,$^) \ $(ALL_CFLAGS) -o $@ $(filter %.c,$^) \
$(BUILTIN_OBJS) $(ALL_LDFLAGS) $(LIBS) $(BUILTIN_OBJS) $(ALL_LDFLAGS) $(LIBS)
builtin-help.o: common-cmds.h
$(BUILT_INS): git$X $(BUILT_INS): git$X
rm -f $@ && ln git$X $@ rm -f $@ && ln git$X $@

2
contrib/colordiff/README Normal file
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@ -0,0 +1,2 @@
This is "colordiff" (http://colordiff.sourceforge.net/) by Dave
Ewart <davee@sungate.co.uk>, modified specifically for git.

196
contrib/colordiff/colordiff.perl Executable file
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@ -0,0 +1,196 @@
#!/usr/bin/perl -w
#
# $Id: colordiff.pl,v 1.4.2.10 2004/01/04 15:02:59 daveewart Exp $
########################################################################
# #
# ColorDiff - a wrapper/replacment for 'diff' producing #
# colourful output #
# #
# Copyright (C)2002-2004 Dave Ewart (davee@sungate.co.uk) #
# #
########################################################################
# #
# This program is free software; you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation; either version 2 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program; if not, write to the Free Software #
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. #
# #
########################################################################
use strict;
use Getopt::Long qw(:config pass_through);
use IPC::Open2;
my $app_name = 'colordiff';
my $version = '1.0.4';
my $author = 'Dave Ewart';
my $author_email = 'davee@sungate.co.uk';
my $app_www = 'http://colordiff.sourceforge.net/';
my $copyright = '(C)2002-2004';
my $show_banner = 1;
# ANSI sequences for colours
my %colour;
$colour{white} = "\033[1;37m";
$colour{yellow} = "\033[1;33m";
$colour{green} = "\033[1;32m";
$colour{blue} = "\033[1;34m";
$colour{cyan} = "\033[1;36m";
$colour{red} = "\033[1;31m";
$colour{magenta} = "\033[1;35m";
$colour{black} = "\033[1;30m";
$colour{darkwhite} = "\033[0;37m";
$colour{darkyellow} = "\033[0;33m";
$colour{darkgreen} = "\033[0;32m";
$colour{darkblue} = "\033[0;34m";
$colour{darkcyan} = "\033[0;36m";
$colour{darkred} = "\033[0;31m";
$colour{darkmagenta} = "\033[0;35m";
$colour{darkblack} = "\033[0;30m";
$colour{OFF} = "\033[0;0m";
# Default colours if /etc/colordiffrc or ~/.colordiffrc do not exist
my $plain_text = $colour{OFF};
my $file_old = $colour{red};
my $file_new = $colour{blue};
my $diff_stuff = $colour{magenta};
# Locations for personal and system-wide colour configurations
my $HOME = $ENV{HOME};
my $etcdir = '/etc';
my ($setting, $value);
my @config_files = ("$etcdir/colordiffrc", "$HOME/.colordiffrc");
my $config_file;
foreach $config_file (@config_files) {
if (open(COLORDIFFRC, "<$config_file")) {
while (<COLORDIFFRC>) {
chop;
next if (/^#/ || /^$/);
s/\s+//g;
($setting, $value) = split ('=');
if ($setting eq 'banner') {
if ($value eq 'no') {
$show_banner = 0;
}
next;
}
if (!defined $colour{$value}) {
print "Invalid colour specification ($value) in $config_file\n";
next;
}
if ($setting eq 'plain') {
$plain_text = $colour{$value};
}
elsif ($setting eq 'oldtext') {
$file_old = $colour{$value};
}
elsif ($setting eq 'newtext') {
$file_new = $colour{$value};
}
elsif ($setting eq 'diffstuff') {
$diff_stuff = $colour{$value};
}
else {
print "Unknown option in $etcdir/colordiffrc: $setting\n";
}
}
close COLORDIFFRC;
}
}
# colordiff specfic options here. Need to pre-declare if using variables
GetOptions(
"no-banner" => sub { $show_banner = 0 },
"plain-text=s" => \&set_color,
"file-old=s" => \&set_color,
"file-new=s" => \&set_color,
"diff-stuff=s" => \&set_color
);
if ($show_banner == 1) {
print STDERR "$app_name $version ($app_www)\n";
print STDERR "$copyright $author, $author_email\n\n";
}
if (defined $ARGV[0]) {
# More reliable way of pulling in arguments
open2(\*INPUTSTREAM, undef, "git", "diff", @ARGV);
}
else {
*INPUTSTREAM = \*STDIN;
}
my $record;
my $nrecs = 0;
my $inside_file_old = 1;
my $nparents = undef;
while (<INPUTSTREAM>) {
$nrecs++;
if (/^(\@\@+) -[-+0-9, ]+ \1/) {
print "$diff_stuff";
$nparents = length($1) - 1;
}
elsif (/^diff -/ || /^index / ||
/^old mode / || /^new mode / ||
/^deleted file mode / || /^new file mode / ||
/^similarity index / || /^dissimilarity index / ||
/^copy from / || /^copy to / ||
/^rename from / || /^rename to /) {
$nparents = undef;
print "$diff_stuff";
}
elsif (defined $nparents) {
if ($nparents == 1) {
if (/^\+/) {
print $file_new;
}
elsif (/^-/) {
print $file_old;
}
else {
print $plain_text;
}
}
elsif (/^ {$nparents}/) {
print "$plain_text";
}
elsif (/^[+ ]{$nparents}/) {
print "$file_new";
}
elsif (/^[- ]{$nparents}/) {
print "$file_old";
}
else {
print $plain_text;
}
}
elsif (/^--- / || /^\+\+\+ /) {
print $diff_stuff;
}
else {
print "$plain_text";
}
s/$/$colour{OFF}/;
print "$_";
}
close INPUTSTREAM;
sub set_color {
my ($type, $color) = @_;
$type =~ s/-/_/;
eval "\$$type = \$colour{$color}";
}