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|
#! /usr/bin/env perl
# colorcvs
#
# based on colorgcc
#
# Requires the ANSIColor module from CPAN.
#
# Usage:
#
# In a directory that occurs in your PATH _before_ the directory
# where cvs lives, create a softlink to colorcvs:
#
# cvs -> colorcvs
#
# That's it. When "cvs" is invoked, colorcvs is run instead.
#
# The default settings can be overridden with ~/.colorcvsrc.
# See the colorcvsrc-sample for more information.
#
# Note:
#
# colorcvs will only emit color codes if:
#
# (1) tts STDOUT is a tty.
# (2) the value of $TERM is not listed in the "nocolor" option.
# (3) the cvs command is not a commit or import (as the text editor
# opened by cvs will often be hampered by colorcvs).
#
# If colorcvs colorizes the output, cvs's STDERR will be
# combined with STDOUT. Otherwise, colorcvs just passes the output from
# cvs through without modification.
#
# Copyright 2002 Neil Stevens <[email protected]>
#
# Copyright 1999 Jamie Moyers <[email protected]>
#
# 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; version 2 of the License as published
# by the Free Software Foundation.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
use Term::ANSIColor;
use IPC::Open3;
sub initDefaults
{
$cvsPath = "/usr/bin/cvs";
$nocolor{"dumb"} = "true";
$colors{"P"} = color("reset");
$colors{"U"} = color("reset");
$colors{"C"} = color("bold red");
$colors{"M"} = color("bold yellow");
$colors{"A"} = color("cyan");
$colors{"R"} = color("cyan");
$colors{"?"} = color("bold");
$colors{"server"} = color("bold green");
$colors{"warning"} = color("bold cyan");
}
sub loadPreferences
{
# Usage: loadPreferences("filename");
my($filename) = @_;
open(PREFS, "<$filename") || return;
while(<PREFS>)
{
next if (m/^\#.*/); # It's a comment.
next if (!m/(.*):\s*(.*)/); # It's not of the form "foo: bar".
$option = $1;
$value = $2;
if ($option =~ /cvs/)
{
$cvsPath = $value;
}
elsif ($option eq "nocolor")
{
# The nocolor option lists terminal types, separated by
# spaces, not to do color on.
foreach $termtype (split(/\s+/, $value))
{
$nocolor{$termtype} = "true";
}
}
else
{
$colors{$option} = color($value);
}
}
close(PREFS);
}
#
# Main program
#
# Set up default values for colors and cvs path.
initDefaults();
# Read the configuration file, if there is one.
$configFile = $ENV{"HOME"} . "/.colorcvsrc";
if (-f $configFile)
{
loadPreferences($configFile);
}
# Get the terminal type.
$terminal = $ENV{"TERM"} || "dumb";
$commit = 0;
foreach (@ARGV)
{
if(/^ci$/ || /^commit$/ || /^import$/)
{
$commit = 1;
}
}
# If it's in the list of terminal types not to color, or if
# we're writing to something that's not a tty, don't do color.
if (! -t STDOUT || $commit == 1 || $nocolor{$terminal})
{
exec $cvsPath, @ARGV
or die("Couldn't exec");
}
# Keep the pid of the cvs process so we can get its return
# code and use that as our return code.
$cvs_pid = open3('<&STDIN', \*CVSOUT, \*CVSOUT, $cvsPath, @ARGV);
$cvsName = $cvsPath;
$cvsName =~ s,.*/(.*)$,\1,;
# Colorize the output from the cvs program.
while(<CVSOUT>)
{
chomp;
if (m/^(.) .+/) # S filename
{
print($colors{$1}, $_, color("reset"));
}
elsif (m/warning:/) # warning
{
print($colors{"warning"}, $_, color("reset"));
}
elsif (m/^$cvsName[^:]*: / || m/^cvs server: /) # server message
{
print($colors{"server"}, $_, color("reset"));
}
else # Anything else
{
# Print normally.
print(color("reset"), $_);
}
print "\n";
}
# Get the return code of the cvs program and exit with that.
waitpid($cvs_pid, 0);
exit ($? >> 8);
|
