difftool: Add '-x' and as an alias for '--extcmd'

This adds '-x' as a shorthand for the '--extcmd' option.
Arguments to '--extcmd' can be specified separately, which
was not originally possible.

This also fixes the brief help text so that it mentions
both '-x' and '--extcmd'.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
David Aguilar
2010-01-15 14:03:43 -08:00
committed by Junio C Hamano
parent a9e11220c2
commit f47f1e2ce8
3 changed files with 24 additions and 8 deletions

View File

@ -1,5 +1,5 @@
#!/usr/bin/env perl
# Copyright (c) 2009 David Aguilar
# Copyright (c) 2009, 2010 David Aguilar
#
# This is a wrapper around the GIT_EXTERNAL_DIFF-compatible
# git-difftool--helper script.
@ -23,8 +23,9 @@ my $DIR = abs_path(dirname($0));
sub usage
{
print << 'USAGE';
usage: git difftool [-g|--gui] [-t|--tool=<tool>] [-y|--no-prompt]
["git diff" options]
usage: git difftool [-t|--tool=<tool>] [-x|--extcmd=<cmd>]
[-y|--no-prompt] [-g|--gui]
['git diff' options]
USAGE
exit 1;
}
@ -62,14 +63,20 @@ sub generate_command
$skip_next = 1;
next;
}
if ($arg =~ /^--extcmd=/) {
$ENV{GIT_DIFFTOOL_EXTCMD} = substr($arg, 9);
next;
}
if ($arg =~ /^--tool=/) {
$ENV{GIT_DIFF_TOOL} = substr($arg, 7);
next;
}
if ($arg eq '-x' || $arg eq '--extcmd') {
usage() if $#ARGV <= $idx;
$ENV{GIT_DIFFTOOL_EXTCMD} = $ARGV[$idx + 1];
$skip_next = 1;
next;
}
if ($arg =~ /^--extcmd=/) {
$ENV{GIT_DIFFTOOL_EXTCMD} = substr($arg, 9);
next;
}
if ($arg eq '-g' || $arg eq '--gui') {
my $tool = Git::command_oneline('config',
'diff.guitool');