mirror of
https://github.com/git/git
synced 2024-10-30 14:03:28 +00:00
96afa0764e
I hacked it up to teach it the git extended diff headers, made it not to read the whole patch in the array. Also, the original program, when arguments are given, ran "diff" with the given arguments and showed the output from it. Of course, I changed it to run "git diff" ;-). Signed-off-by: Junio C Hamano <junkio@cox.net>
196 lines
6.1 KiB
Perl
Executable file
196 lines
6.1 KiB
Perl
Executable file
#!/usr/bin/perl -w
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#
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# $Id: colordiff.pl,v 1.4.2.10 2004/01/04 15:02:59 daveewart Exp $
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########################################################################
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# #
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# ColorDiff - a wrapper/replacment for 'diff' producing #
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# colourful output #
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# #
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# Copyright (C)2002-2004 Dave Ewart (davee@sungate.co.uk) #
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# #
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########################################################################
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# #
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# This program is free software; you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation; either version 2 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program; if not, write to the Free Software #
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. #
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# #
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########################################################################
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use strict;
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use Getopt::Long qw(:config pass_through);
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use IPC::Open2;
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my $app_name = 'colordiff';
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my $version = '1.0.4';
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my $author = 'Dave Ewart';
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my $author_email = 'davee@sungate.co.uk';
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my $app_www = 'http://colordiff.sourceforge.net/';
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my $copyright = '(C)2002-2004';
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my $show_banner = 1;
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# ANSI sequences for colours
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my %colour;
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$colour{white} = "\033[1;37m";
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$colour{yellow} = "\033[1;33m";
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$colour{green} = "\033[1;32m";
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$colour{blue} = "\033[1;34m";
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$colour{cyan} = "\033[1;36m";
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$colour{red} = "\033[1;31m";
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$colour{magenta} = "\033[1;35m";
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$colour{black} = "\033[1;30m";
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$colour{darkwhite} = "\033[0;37m";
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$colour{darkyellow} = "\033[0;33m";
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$colour{darkgreen} = "\033[0;32m";
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$colour{darkblue} = "\033[0;34m";
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$colour{darkcyan} = "\033[0;36m";
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$colour{darkred} = "\033[0;31m";
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$colour{darkmagenta} = "\033[0;35m";
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$colour{darkblack} = "\033[0;30m";
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$colour{OFF} = "\033[0;0m";
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# Default colours if /etc/colordiffrc or ~/.colordiffrc do not exist
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my $plain_text = $colour{OFF};
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my $file_old = $colour{red};
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my $file_new = $colour{blue};
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my $diff_stuff = $colour{magenta};
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# Locations for personal and system-wide colour configurations
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my $HOME = $ENV{HOME};
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my $etcdir = '/etc';
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my ($setting, $value);
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my @config_files = ("$etcdir/colordiffrc", "$HOME/.colordiffrc");
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my $config_file;
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foreach $config_file (@config_files) {
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if (open(COLORDIFFRC, "<$config_file")) {
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while (<COLORDIFFRC>) {
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chop;
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next if (/^#/ || /^$/);
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s/\s+//g;
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($setting, $value) = split ('=');
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if ($setting eq 'banner') {
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if ($value eq 'no') {
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$show_banner = 0;
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}
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next;
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}
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if (!defined $colour{$value}) {
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print "Invalid colour specification ($value) in $config_file\n";
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next;
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}
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if ($setting eq 'plain') {
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$plain_text = $colour{$value};
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}
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elsif ($setting eq 'oldtext') {
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$file_old = $colour{$value};
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}
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elsif ($setting eq 'newtext') {
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$file_new = $colour{$value};
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}
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elsif ($setting eq 'diffstuff') {
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$diff_stuff = $colour{$value};
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}
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else {
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print "Unknown option in $etcdir/colordiffrc: $setting\n";
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}
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}
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close COLORDIFFRC;
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}
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}
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# colordiff specfic options here. Need to pre-declare if using variables
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GetOptions(
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"no-banner" => sub { $show_banner = 0 },
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"plain-text=s" => \&set_color,
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"file-old=s" => \&set_color,
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"file-new=s" => \&set_color,
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"diff-stuff=s" => \&set_color
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);
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if ($show_banner == 1) {
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print STDERR "$app_name $version ($app_www)\n";
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print STDERR "$copyright $author, $author_email\n\n";
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}
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if (defined $ARGV[0]) {
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# More reliable way of pulling in arguments
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open2(\*INPUTSTREAM, undef, "git", "diff", @ARGV);
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}
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else {
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*INPUTSTREAM = \*STDIN;
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}
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my $record;
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my $nrecs = 0;
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my $inside_file_old = 1;
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my $nparents = undef;
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while (<INPUTSTREAM>) {
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$nrecs++;
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if (/^(\@\@+) -[-+0-9, ]+ \1/) {
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print "$diff_stuff";
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$nparents = length($1) - 1;
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}
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elsif (/^diff -/ || /^index / ||
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/^old mode / || /^new mode / ||
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/^deleted file mode / || /^new file mode / ||
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/^similarity index / || /^dissimilarity index / ||
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/^copy from / || /^copy to / ||
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/^rename from / || /^rename to /) {
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$nparents = undef;
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print "$diff_stuff";
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}
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elsif (defined $nparents) {
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if ($nparents == 1) {
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if (/^\+/) {
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print $file_new;
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}
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elsif (/^-/) {
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print $file_old;
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}
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else {
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print $plain_text;
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}
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}
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elsif (/^ {$nparents}/) {
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print "$plain_text";
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}
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elsif (/^[+ ]{$nparents}/) {
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print "$file_new";
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}
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elsif (/^[- ]{$nparents}/) {
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print "$file_old";
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}
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else {
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print $plain_text;
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}
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}
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elsif (/^--- / || /^\+\+\+ /) {
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print $diff_stuff;
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}
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else {
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print "$plain_text";
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}
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s/$/$colour{OFF}/;
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print "$_";
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}
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close INPUTSTREAM;
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sub set_color {
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my ($type, $color) = @_;
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$type =~ s/-/_/;
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eval "\$$type = \$colour{$color}";
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}
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