a904392eae
difftool now supports difftool.prompt so that users do not have to pass --no-prompt or hit enter each time a diff tool is launched. The --prompt flag overrides the configuration variable. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
86 lines
1.7 KiB
Perl
Executable File
86 lines
1.7 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Copyright (c) 2009 David Aguilar
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#
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# This is a wrapper around the GIT_EXTERNAL_DIFF-compatible
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# git-difftool--helper script.
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#
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# This script exports GIT_EXTERNAL_DIFF and GIT_PAGER for use by git.
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# GIT_DIFFTOOL_NO_PROMPT, GIT_DIFFTOOL_PROMPT, and GIT_DIFF_TOOL
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# are exported for use by git-difftool--helper.
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#
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# Any arguments that are unknown to this script are forwarded to 'git diff'.
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use strict;
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use warnings;
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use Cwd qw(abs_path);
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use File::Basename qw(dirname);
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my $DIR = abs_path(dirname($0));
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sub usage
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{
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print << 'USAGE';
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usage: git difftool [--tool=<tool>] [-y|--no-prompt] ["git diff" options]
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USAGE
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exit 1;
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}
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sub setup_environment
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{
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$ENV{PATH} = "$DIR:$ENV{PATH}";
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$ENV{GIT_PAGER} = '';
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$ENV{GIT_EXTERNAL_DIFF} = 'git-difftool--helper';
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}
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sub exe
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{
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my $exe = shift;
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if ($^O eq 'MSWin32' || $^O eq 'msys') {
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return "$exe.exe";
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}
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return $exe;
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}
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sub generate_command
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{
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my @command = (exe('git'), 'diff');
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my $skip_next = 0;
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my $idx = -1;
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for my $arg (@ARGV) {
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$idx++;
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if ($skip_next) {
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$skip_next = 0;
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next;
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}
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if ($arg eq '-t' || $arg eq '--tool') {
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usage() if $#ARGV <= $idx;
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$ENV{GIT_DIFF_TOOL} = $ARGV[$idx + 1];
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$skip_next = 1;
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next;
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}
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if ($arg =~ /^--tool=/) {
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$ENV{GIT_DIFF_TOOL} = substr($arg, 7);
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next;
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}
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if ($arg eq '-y' || $arg eq '--no-prompt') {
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$ENV{GIT_DIFFTOOL_NO_PROMPT} = 'true';
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delete $ENV{GIT_DIFFTOOL_PROMPT};
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next;
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}
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if ($arg eq '--prompt') {
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$ENV{GIT_DIFFTOOL_PROMPT} = 'true';
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delete $ENV{GIT_DIFFTOOL_NO_PROMPT};
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next;
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}
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if ($arg eq '-h' || $arg eq '--help') {
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usage();
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}
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push @command, $arg;
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}
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return @command
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}
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setup_environment();
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exec(generate_command());
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