eLisp fixes for a contrib/ script.
* lm/git-blame-el:
git-blame.el: Do not use bare 0 to mean (point-min)
git-blame.el: Use with-current-buffer where appropriate
git-blame.el: Do not use goto-line in lisp code
The __gitdir() helper function finds out the path of the git
repository by running 'git rev-parse --git-dir'. However, it has a
shortcut first to avoid the overhead of running a git command in a
subshell when the current directory is at the top of the work tree,
i.e. when it contains a '.git' subdirectory.
If the 'GIT_DIR' environment variable is set then it specifies the
path to the git repository, and the autodetection of the '.git'
directory is not necessary. However, $GIT_DIR is only taken into
acocunt by 'git rev-parse --git-dir', and the check for the '.git'
subdirectory is performed first, so it wins over the path given in
$GIT_DIR.
There are several completion (helper) functions that depend on
__gitdir(), and when the above case triggers the completion script
will do weird things, like offering refs, aliases, or stashes from a
different repository, or displaying wrong or broken prompt, etc.
So check first whether $GIT_DIR is set, and only proceed with checking
the '.git' directory in the current directory if it isn't. 'git
rev-parse' would also check whether the path in $GIT_DIR is a proper
'.git' directory, i.e. 'HEAD', 'refs/', and 'objects/' are present and
accessible, but we don't have to be that thorough for the bash prompt.
And we've lived with an equally permissive check for '.git' in the
current working directory for years anyway.
Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In git-blame-filter and git-blame-create-overlay we want to save
(along with the values of point and mark) the current-buffer in scope
when calling the functions. The idiom
(save-excursion
(set-buffer buf)
...)
will correctly restore the correct buffer, but will not save the
values of point and mark in buf (only in the buffer current when the
save-excursion call is executed). The intention of these functions is
to save the current buffer from the calling scope and the values of
point and mark in the buffer they are modifying. The correct idiom
for this is
(with-current-buffer buf
(save-excursion
...))
Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Signed-off-by: Lawrence Mitchell <wence@gmx.li>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
goto-line is a user-level command, instead use the lisp-level
construct recommended in Emacs documentation.
Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Signed-off-by: Lawrence Mitchell <wence@gmx.li>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Commit 7f02f3d7 (completion: rename internal helpers _git and _gitk,
2012-05-19) renamed said functions to _main_git() and _main_gitk(),
respectively. By convention the name of our git-completion-specific
functions start with '_git' or '__git' prefix, so rename those
functions once again to put them back into our "namespace". Use the
two underscore prefix, because _git_main() could be mistaken for the
completion function of the (not yet existing) 'git main' command.
Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Using mapcar here is a waste of memory because the mapped result
is not used.
Noticed by emacs ("Warning: `mapcar' called for effect").
[jn: split from a larger patch, with new description]
Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The __gitdir function is duplicated between completion and prompt
scripts, and these definitions should not diverge; otherwise one of
them can be subtly broken depending on the order the user's shell
dot-sources them.
Leave a note to people who may want to touch one copy to make sure
they update the other one in sync. Hopefully this line would also
appear in the context of the patch to allow reviewers to notice a
patch that attempts to update only one of them.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
A remote helper that acts as a proxy and caches ssl session for the
https:// transport is added to the contrib/ area.
By Colby Ranger
* cr/persistent-https:
Add persistent-https to contrib
Git over HTTPS has a high request startup latency, since the SSL
negotiation can take up to a second. In order to reduce this latency,
connections should be left open to the Git server across requests
(or invocations of the git commandline).
Reduce SSL startup latency by running a daemon job that keeps
connections open to a Git server. The daemon job
(git-remote-persistent-https--proxy) is started on the first request
through the client binary (git-remote-persistent-https) and remains
running for 24 hours after the last request, or until a new daemon
binary is placed in the PATH. The client determines the daemon's
HTTP address by communicating over a UNIX socket with the daemon.
From there, the rest of the Git protocol work is delegated to the
"git-remote-http" binary, with the environment's http_proxy set to
the daemon.
Accessing /pub/scm/linux/kernel/git/torvalds/linux repository hosted
at kernel.googlesource.com with "git ls-remote" over https:// and
persistent-https:// 5 times shows that the first request takes about
the same time (0.193s vs 0.208s---there is a slight set-up cost for
the local proxy); as expected, the other four requests are much
faster (~0.18s vs ~0.08s).
Incidentally, this also has the benefit of HTTP keep-alive working
across Git command invocations. Its common for servers to use a 5
minute keep-alive on an HTTP 1.1 connection. Git-over-HTTP commonly
uses Transfer-Encoding: chunked on replies, so keep-alive will
generally just work, even though a pack stream's length isn't known
in advance. Because the helper is an external process holding that
connection open, we also benefit from being able to reuse an
existing TCP connection to the server. The same "git ls-remote"
test against http:// vs persistent-https:// URL shows that the
former takes ~0.09s while the first request for the latter is about
0.134s with set-up cost, and subsequent requests are ~0.065s,
shaving around one RTT to the server.
Signed-off-by: Colby Ranger <cranger@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The default compiler and cflags were mostly "works for me"
when I built the original version. We need to be much less
careful here than usual, because we know we are building
only on OS X. But it's only polite to at least respect the
CFLAGS and CC definitions that the user may have provided
earlier.
While we're at it, let's update our definitions and rules to
be more like the top-level Makefile; default our CFLAGS to
include -O2, and make sure we use CFLAGS and LDFLAGS when
linking.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
bash-completion 1.90 shipped with support to load completions
dynamically[1], which means the git completion script wouldn't be loaded
until the user types 'git <tab>'--this creates a problem to people using
__git_ps1(); that function won't be available when the shell is first
created.
For now distributions have workarounded this issue by moving the git
completion to the "compatdir"[2]; this of course is not ideal.
The solution, proposed by Kerrick Staley[3], is to split the git script
in two; the part that deals with __git_ps1() in one (i.e.
git-prompt.sh), and everything else in another (i.e.
git-completion.bash).
Another benefit of this is that zsh user that are not interested in the
bash completion can use it for their prompts, which has been tried
before[4].
The only slight issue is that __gitdir() would be duplicated, but this
is probably not a big deal.
So let's go ahead and move __git_ps1() to a new file.
While at this, I took the liberty to reformat the help text in the new
file.
[1] http://anonscm.debian.org/gitweb/?p=bash-completion/bash-completion.git;a=commitdiff;h=99c4f7f25f50a7cb2fce86055bddfe389effa559
[2] http://projects.archlinux.org/svntogit/packages.git/commit/trunk?h=packages/git&id=974380fabb8f9f412990b17063bf578d98c44a82
[3] http://mid.gmane.org/CANaWP3w9KDu57aHquRRYt8td_haSWTBKs7zUHy-xu0B61gmr9A@mail.gmail.com
[4] http://mid.gmane.org/1303824288-15591-1-git-send-email-mstormo@gmail.com
Cc: Kerrick Staley <mail@kerrickstaley.com>
Cc: Marius Storm-Olsen <mstormo@gmail.com>
Cc: Ville Skyttä <ville.skytta@iki.fi>
Cc: Dan McGee <dan@archlinux.org>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
No reason to have it executable. Every way this script is intended to be
used includes the 'source' command.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Some people might be relying on _git and _gitk to define custom aliases,
unfortunately, commit 6b179ad (completion: add new __git_complete
helper) broke that support.
"bash: [: 1: unary operator expected"
This can be easily fixed by using __git_complete, but it's not meant to
be public.
Although _git and _gitk are probably not meant to be public, it's easy
to keep having support for them by having a wrapper to the proper
new function that is fully functional.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Would be useful to provide backwards compatibility for _git. Also, zsh
completion uses _git, and it cannot be changed.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This simplifies the completions, and would make it easier to define
aliases in the future.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Use new __gitcomp_nl; this is the last place that uses COMPREPLY and
compgen directly outside __gitcomp* functions.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Acked-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Many error/warning messages had extra trailing newlines that are
unnecessary.
By Pete Wyckoff
* pw/message-cleanup:
remove blank filename in error message
remove superfluous newlines in error messages
A script written long time ago proved to be useful this week for me ;-)
with a minor tweak.
* jc/rerere-train:
contrib/rerere-train: use installed git-sh-setup
The error handling routines add a newline. Remove
the duplicate ones in error messages.
Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Instead of sourcing git-sh-setup from random place that is on the $PATH,
explicitly source $(git --exec-path)/git-sh-setup. As I do not personally
have any libexec/git-core directory on my $PATH like many other people, the
script will fail without this update.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
By Felipe Contreras (4) and others
* fc/completion-tests:
completion: fix completion after 'git --option <TAB>'
completion: avoid trailing space for --exec-path
completion: add missing general options
completion: simplify by using $prev
completion: simplify __gitcomp_1
tests: add tests for the __gitcomp() completion helper function
tests: add initial bash completion tests
The bash completion doesn't work when certain options to git itself are
specified, e.g. 'git --no-pager <TAB>' errors out with
error: invalid key: alias.--no-pager
The main _git() completion function finds out the git command name by
looping through all the words on the command line and searching for
the first word that is not a known option for the git command.
Unfortunately the list of known git options was not updated in a long
time, and newer options are not skipped but mistaken for a git command.
Such a misrecognized "command" is then passed to __git_aliased_command(),
which in turn passes it to a 'git config' query, hence the error.
Currently the following options are misrecognized for a git command:
-c --no-pager --exec-path --html-path --man-path --info-path
--no-replace-objects --work-tree= --namespace=
To fix this we could just update the list of options to be skipped,
but the same issue will likely arise, if the git command learns a new
option in the future. Therefore, to make it more future proof against
new options, this patch changes that loop to skip all option-looking
words, i.e. words starting with a dash.
We also have to handle the '-c' option specially, because it takes a
configutation parameter in a separate word, which must be skipped,
too.
[fc: added tests]
Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
"--exec-path" looks to the completion script like an unambiguous
successful completion, but it is wrong to emit a SP after it as if
declaring that we are done with completion; the user could be trying
to do
git --exec-path; # print name of helper directory
or
git --exec-path=/path/to/alternative/helper/dir <subcommand>
so the most helpful thing to do is to leave out the trailing space and
leave it to the operator to type an equal sign or carriage return
according to the situation.
[fc: added tests]
Cc: Andreas Schwab <schwab@linux-m68k.org>
Reported-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Add a Makefile to run subtree tests. This is largely copied
from the standard test suite with irrelevant targets removed
and some paths altered to account for where subtree tests live.
Signed-off-by: David A. Greene <greened@obbligato.org>
Build git-subtree in its contrib directory and install from there.
The main Makefile no longer discovers subcommands build in the main
build area so we cannot count on it to install git-subtree. The user
should make && make install in contrib/subtree to install git-subtree.
Change the rule to install the git-subtree manpage. The main
Documentation area doesn't directly support installing documentation
from other directories so the user will have to do that from within
contrib/subtree for now.
Signed-off-by: David A. Greene <greened@obbligato.org>
Include config.make.autogen in the git-subtree contrib area to pick up
settings for prefix and other such things.
Signed-off-by: David A. Greene <greened@obbligato.org>
Remove various files that simply duplicate functionality already
provided by the main project files.
Signed-off-by: David A. Greene <greened@obbligato.org>
Set TEST_DIRECTORY to the main git test area. This allows the
git-subtree out-of-tree tests to run correctly.
Signed-off-by: David A. Greene <greened@obbligato.org>
Move git-p4 out of contrib/fast-import into the main code base,
aside other foreign SCM tools.
Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Certain versions of zsh seems to treat
local var=()
as a function declaration, rather than an assignment of an empty array,
although its documentation does not suggest that this should be the case.
With zsh 4.3.15 on Fedora Core 15, this causes
__git_ps1 " (%s)"
to trigger an error message:
local:2: command not found: svn_url_pattern
when GIT_PS1_SHOWUPSTREAM="auto".
Signed-off-by: Alex Merry <dev@randomguy3.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* th/git-diffall:
contrib/diffall: fix cleanup trap on Windows
contrib/diffall: eliminate duplicate while loops
contrib/diffall: eliminate use of tar
contrib/diffall: create tmp dirs without mktemp
contrib/diffall: comment actual reason for 'cdup'
Prior to this commit, the cleanup trap that removes the tmp dir
created by the script would fail on Windows. The error was silently
ignored by the script.
On Windows, a directory cannot be removed while it is the working
directory of the process (thanks to Johannes Sixt on the Git list
for this info [1]).
This commit eliminates the 'cd' into the tmp directory that caused
the error.
[1]: http://article.gmane.org/gmane.comp.version-control.git/193086
Signed-off-by: Tim Henigan <tim.henigan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
There were 3 instances of a 'while read; do' that used identical logic
to populate '/tmp/right_dir'. This commit groups them into a single loop.
Signed-off-by: Tim Henigan <tim.henigan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The 'tar' utility is not available on all platforms (some only support
'gnutar'). An earlier commit created a work-around for this problem,
but a better solution is to eliminate the use of 'tar' completely.
Signed-off-by: Tim Henigan <tim.henigan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
mktemp is not available on all platforms. Instead of littering the code
with a work-around, this commit replaces mktemp with a one-line Perl
script.
Signed-off-by: Tim Henigan <tim.henigan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The comment from an earlier commit did not reflect the actual reason this
operation is needed.
Signed-off-by: Tim Henigan <tim.henigan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
By Zbigniew Jędrzejewski-Szmek (8) and Junio C Hamano (1)
* zj/diff-stat-dyncol:
: This breaks tests. Perhaps it is not worth using the decimal-width stuff
: for this series, at least initially.
diff --stat: add config option to limit graph width
diff --stat: enable limiting of the graph part
diff --stat: add a test for output with COLUMNS=40
diff --stat: use a maximum of 5/8 for the filename part
merge --stat: use the full terminal width
log --stat: use the full terminal width
show --stat: use the full terminal width
diff --stat: use the full terminal width
diff --stat: tests for long filenames and big change counts
Config option diff.statGraphWidth=<width> is equivalent to
--stat-graph-width=<width>, except that the config option is ignored
by format-patch.
For the graph-width limiting to be usable, it should happen
'automatically' once configured, hence the config option.
Nevertheless, graph width limiting only makes sense when used on a
wide terminal, so it should not influence the output of format-patch,
which adheres to the 80-column standard.
Signed-off-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* maint:
Update draft release notes to 1.7.9.3
CodingGuidelines: do not use 'which' in shell scripts
CodingGuidelines: Add a note about spaces after redirection
post-receive-email: match up $LOGBEGIN..$LOGEND pairs correctly
post-receive-email: remove unused variable
The 'git difftool' allows the user to view diffs using an external tool.
It runs a separate instance of the tool for each file in the diff. This
makes it tedious to review changes spanning multiple files.
The 'git-diffall' script instead prepares temporary directories with the
files to be compared and launches a single instance of the external diff
tool to view them (i.e. a directory diff).
The 'diff.tool' or 'merge.tool' configuration variable is used to specify
which external tool is used.
Signed-off-by: Tim Henigan <tim.henigan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
prep_for_email neither is passed a fourth argument nor uses it.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* maint:
Document accumulated fixes since 1.7.9.2
Git 1.7.8.5
grep -P: Fix matching ^ and $
am: don't infloop for an empty input file
rebase -m: only call "notes copy" when rewritten exists and is non-empty
git-p4: remove bash-ism in t9800
git-p4: remove bash-ism in t9809
git-p4: fix submit regression with clientSpec and subdir clone
git-p4: set useClientSpec variable on initial clone
Makefile: add thread-utils.h to LIB_H
Conflicts:
RelNotes
t/t9809-git-p4-client-view.sh
When the --use-client-spec is given to clone, and the clone
path is a subset of the full tree as specified in the client,
future submits will go to the wrong place.
Factor out getClientSpec() so both clone/sync and submit can
use it. Introduce getClientRoot() that is needed for the client
spec case, and use it instead of p4Where().
Test the five possible submit behaviors (add, modify, rename,
copy, delete).
Reported-by: Laurent Charrière <lcharriere@promptu.com>
Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
If --use-client-spec was given, set the matching configuration
variable. This is necessary to ensure that future submits
work properly.
The alternatives of requiring the user to set it, or providing
a command-line option on every submit, are error prone.
Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* ld/git-p4-expanded-keywords:
: Teach git-p4 to unexpand $RCS$-like keywords that are embedded in
: tracked contents in order to reduce unnecessary merge conflicts.
git-p4: add initial support for RCS keywords
RCS keywords cause problems for git-p4 as perforce always
expands them (if +k is set) and so when applying the patch,
git reports that the files have been modified by both sides,
when in fact they haven't.
This change means that when git-p4 detects a problem applying
a patch, it will check to see if keyword expansion could be
the culprit. If it is, it strips the keywords in the p4
repository so that they match what git is expecting. It then
has another go at applying the patch.
This behaviour is enabled with a new git-p4 configuration
option and is off by default.
Acked-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The style used for incrementing and decrementing variables was fairly
inconsistenty and was normalized to use x++, or ((x++)) in contexts
where the former would otherwise be interpreted as a command. This is a
bash-ism, but for obvious reasons this script is already bash-specific.
Signed-off-by: Philip Jägenstedt <philip@foolip.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Complete <name> only for set-url. For set-branches and
set-head, complete <name> and <branch> over the network,
like e.g. git pull already does.
Signed-off-by: Philip Jägenstedt <philip@foolip.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
CodingGuidlines confidently declares "We use tabs for indentation."
It would be a shame if it were caught lying.
Signed-off-by: Philip Jägenstedt <philip@foolip.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
It was out-of-sync with the reality of who works on this
script. Defer (silently) to Documentation/SubmittingPatches
like all other code.
Signed-off-by: Philip Jägenstedt <philip@foolip.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This was broken since the feature was introduced initially at abcaf07 (If
the user has configured various parameters, use them., 2008-08-10).
Acked-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* 'master' of git://bogomips.org/git-svn:
git-svn.perl: fix a false-positive in the "already exists" test
git-svn.perl: perform deletions before anything else
git-svn: Fix time zone in --localtime
git-svn: un-break "git svn rebase" when log.abbrevCommit=true
git-svn: remove redundant porcelain option to rev-list
completion: add --interactive option to git svn dcommit
* jk/diff-highlight:
diff-highlight: document some non-optimal cases
diff-highlight: match multi-line hunks
diff-highlight: refactor to prepare for multi-line hunks
diff-highlight: don't highlight whole lines
diff-highlight: make perl strict and warnings fatal
* fc/zsh-completion:
completion: simplify __gitcomp and __gitcomp_nl implementations
completion: use ls -1 instead of rolling a loop to do that ourselves
completion: work around zsh option propagation bug
see afd7f1e for more details on git svn dcommit --interactive
Signed-off-by: Frederic Heitzmann <frederic.heitzmann@gmail.com>
Acked-by: Eric Wong <normalperson@yhbt.net>
If the argument for `__git_ps1` begins with a dash, `printf` tries to
interpret it as an option which results in an error message.
The problem is solved by adding '--' before the argument to tell
`printf` to not interpret the following argument as an option.
Adding '--' directly to the argument does not help because the argument
is enclosed by double quotes.
Signed-off-by: Christian Hammerl <info@christian-hammerl.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The diff-highlight script works on heuristics, so it can be
wrong. Let's document some of the wrong-ness in case
somebody feels like working on it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Currently we only bother highlighting single-line hunks. The
rationale was that the purpose of highlighting is to point
out small changes between two similar lines that are
otherwise hard to see. However, that meant we missed similar
cases where two lines were changed together, like:
-foo(buf);
-bar(buf);
+foo(obj->buf);
+bar(obj->buf);
Each of those changes is simple, and would benefit from
highlighting (the "obj->" parts in this case).
This patch considers whole hunks at a time. For now, we
consider only the case where the hunk has the same number of
removed and added lines, and assume that the lines from each
segment correspond one-to-one. While this is just a
heuristic, in practice it seems to generate sensible
results (especially because we now omit highlighting on
completely-changed lines, so when our heuristic is wrong, we
tend to avoid highlighting at all).
Based on an original idea and implementation by Michał
Kiedrowicz.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The current code structure assumes that we will only look at
a pair of lines at any given time, and that the end result
should always be to output that pair. However, we want to
eventually handle multi-line hunks, which will involve
collating pairs of removed/added lines. Let's refactor the
code to return highlighted pairs instead of printing them.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
If you have a change like:
-foo
+bar
we end up highlighting the entirety of both lines (since the
whole thing is changed). But the point of diff highlighting
is to pinpoint the specific change in a pair of lines that
are mostly identical. In this case, the highlighting is just
noise, since there is nothing to pinpoint, and we are better
off doing nothing.
The implementation looks for "interesting" pairs by checking
to see whether they actually have a matching prefix or
suffix that does not simply consist of colorization and
whitespace. However, the implementation makes it easy to
plug in other heuristics, too, like:
1. Depending on the source material, the set of "boring"
characters could be tweaked to include language-specific
stuff (like braces or semicolons for C).
2. Instead of saying "an interesting line has at least one
character of prefix or suffix", we could require that
less than N percent of the line be highlighted.
The simple "ignore whitespace, and highlight if there are
any matched characters" implemented by this patch seems to
give good results on git.git. I'll leave experimentation
with other heuristics to somebody who has a dataset that
does not look good with the current code.
Based on an original idea and implementation by Michał
Kiedrowicz.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
These perl features can catch bugs, and we shouldn't be
violating any of the strict rules or creating any warnings,
so let's turn them on.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* fc/zsh-completion:
completion: simplify __gitcomp and __gitcomp_nl implementations
completion: use ls -1 instead of rolling a loop to do that ourselves
completion: work around zsh option propagation bug
* jn/svn-fe: (36 commits)
vcs-svn: suppress a -Wtype-limits warning
vcs-svn: allow import of > 4GiB files
vcs-svn: rename check_overflow arguments for clarity
vcs-svn/svndiff.c: squelch false "unused" warning from gcc
vcs-svn: reset first_commit_done in fast_export_init
vcs-svn: do not initialize report_buffer twice
vcs-svn: avoid hangs from corrupt deltas
vcs-svn: guard against overflow when computing preimage length
vcs-svn: cap number of bytes read from sliding view
test-svn-fe: split off "test-svn-fe -d" into a separate function
vcs-svn: implement text-delta handling
vcs-svn: let deltas use data from preimage
vcs-svn: let deltas use data from postimage
vcs-svn: verify that deltas consume all inline data
vcs-svn: implement copyfrom_data delta instruction
vcs-svn: read instructions from deltas
vcs-svn: read inline data from deltas
vcs-svn: read the preimage when applying deltas
vcs-svn: parse svndiff0 window header
vcs-svn: skeleton of an svn delta parser
...
These shell functions are written in an unnecessarily verbose way;
simplify their "conditionally use $<number> after checking $# against
<number>" logic by using shell's built-in conditional substitution
facilities.
Also remove the first of the two assignments to IFS in __gitcomp_nl
that does not have any effect.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This simplifies the code a great deal. In particular, it allows us to
get rid of __git_shopt, which is used only in this fuction to enable
'nullglob' in zsh.
[jn: squashed with a patch that actually gets rid of __git_shopt]
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
When listing commands in zsh (git <TAB><TAB>), all of them will show up,
instead of only porcelain ones.
The root cause of this is because zsh versions from 4.3.0 to present
(4.3.15) do not correctly propagate the SH_WORD_SPLIT option into the
subshell in ${foo:=$(bar)} expressions. Because of this bug, the list of
all commands was treated as a single word in __git_list_porcelain_commands
and did not match any of the patterns that would usually cause plumbing to
be excluded.
With problematic versions of zsh, after running
emulate sh
fn () {
var='one two'
for v in $var; do echo $v; done
}
x=$(fn)
: ${y=$(fn)}
printing "$x" results in two lines as expected, but printing "$y" results
in a single line because $var is expanded as a single word when evaluating
fn to compute y.
So avoid the construct, and use an explicit 'test -n "$foo" || foo=$(bar)'
instead.
[jn: clarified commit message, indentation style fix]
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* va/git-p4-branch:
t9801: do not overuse test_must_fail
git-p4: Change p4 command invocation
git-p4: Add test case for complex branch import
git-p4: Search for parent commit on branch creation
* ld/git-p4-branches-and-labels:
git-p4: label import fails with multiple labels at the same changelist
git-p4: add test for p4 labels
git-p4: importing labels should cope with missing owner
git-p4: cope with labels with empty descriptions
git-p4: handle p4 branches and labels containing shell chars
* pw/p4-view-updates:
git-p4: add tests demonstrating spec overlay ambiguities
git-p4: adjust test to adhere to stricter useClientSpec
git-p4: clarify comment
git-p4: fix verbose comment typo
git-p4: only a single ... wildcard is supported
This simplifies svn-fe a great deal and fulfills a longstanding wish:
support for dumps with deltas in them, and incremental imports.
The cost is that commandline usage of the svn-fe tool becomes a little
more complicated since it no longer keeps state itself but instead reads
blobs back from fast-import in order to copy them between revisions and
apply deltas to them.
Also removes a couple of custom data structures and replaces them with
strbufs like other parts of Git.
* 'svn-fe' of git://repo.or.cz/git/jrn: (32 commits)
vcs-svn: reset first_commit_done in fast_export_init
vcs-svn: do not initialize report_buffer twice
vcs-svn: avoid hangs from corrupt deltas
vcs-svn: guard against overflow when computing preimage length
vcs-svn: cap number of bytes read from sliding view
test-svn-fe: split off "test-svn-fe -d" into a separate function
vcs-svn: implement text-delta handling
vcs-svn: let deltas use data from preimage
vcs-svn: let deltas use data from postimage
vcs-svn: verify that deltas consume all inline data
vcs-svn: implement copyfrom_data delta instruction
vcs-svn: read instructions from deltas
vcs-svn: read inline data from deltas
vcs-svn: read the preimage when applying deltas
vcs-svn: parse svndiff0 window header
vcs-svn: skeleton of an svn delta parser
vcs-svn: make buffer_read_binary API more convenient
vcs-svn: learn to maintain a sliding view of a file
Makefile: list one vcs-svn/xdiff object or header per line
vcs-svn: avoid using ls command twice
...
Conflicts:
Makefile
contrib/svn-fe/svn-fe.txt
