[x264-devel] Share the post-receive-email hook?
Christophe Mutricy
xtophe at chewa.net
Sat Jan 31 15:24:59 CET 2009
On Sat, Jan 31, 09 at 12:48 +0200, Felipe Contreras wrote:
> Can you share the script with me?
Sure.
git-notify by Alexandre Julliard. There might be more recent version
somewhere on line.
--
Xtophe
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#!/usr/bin/perl
#
# Tool to send git commit notifications
#
# Copyright 2005 Alexandre Julliard
#
# 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; either version 2 of
# the License, or (at your option) any later version.
#
#
# This script is meant to be called from .git/hooks/update.
#
# Usage: git-notify [options] [--] refname old-sha1 new-sha1
#
# -c name Send CIA notifications under specified project name
# -m addr Send mail notifications to specified address
# -n max Set max number of individual mails to send
# -r name Set the git repository name
# -s bytes Set the maximum diff size in bytes (-1 for no limit)
# -u url Set the URL to the gitweb browser
# -x branch Exclude changes to the specified branch from reports
#
use strict;
use open ':utf8';
use Encode 'encode';
use Cwd 'realpath';
binmode STDIN, ':utf8';
binmode STDOUT, ':utf8';
# some parameters you may want to change
# base URL of the gitweb repository browser (can be set with the -u option)
my $gitweb_url = "http://git.videolan.org/gitweb.cgi";
# set this to something that takes "-s"
my $mailer = "mail";
# default repository name (can be changed with the -r option)
my $repos_name = "";
# max size of diffs in bytes (can be changed with the -s option)
my $max_diff_size = 10000;
# address for mail notices (can be set with -m option)
my $commitlist_address;
# project name for CIA notices (can be set with -c option)
my $cia_project_name;
# CIA notification address
my $cia_address = "cia\@cia.navi.cx";
# max number of individual notices before falling back to a single global notice (can be set with -n option)
my $max_individual_notices = 100;
# debug mode
my $debug = 0;
# branches to exclude
my @exclude_list = ();
sub usage()
{
print "Usage: $0 [options] [--] refname old-sha1 new-sha1\n";
print " -c name Send CIA notifications under specified project name\n";
print " -m addr Send mail notifications to specified address\n";
print " -n max Set max number of individual mails to send\n";
print " -r name Set the git repository name\n";
print " -s bytes Set the maximum diff size in bytes (-1 for no limit)\n";
print " -u url Set the URL to the gitweb browser\n";
print " -x branch Exclude changes to the specified branch from reports\n";
exit 1;
}
sub xml_escape($)
{
my $str = shift;
$str =~ s/&/&/g;
$str =~ s/</</g;
$str =~ s/>/>/g;
my @chars = unpack "U*", $str;
$str = join "", map { ($_ > 127) ? sprintf "&#%u;", $_ : chr($_); } @chars;
return $str;
}
# format an integer date + timezone as string
# algorithm taken from git's date.c
sub format_date($$)
{
my ($time,$tz) = @_;
if ($tz < 0)
{
my $minutes = (-$tz / 100) * 60 + (-$tz % 100);
$time -= $minutes * 60;
}
else
{
my $minutes = ($tz / 100) * 60 + ($tz % 100);
$time += $minutes * 60;
}
return gmtime($time) . sprintf " %+05d", $tz;
}
# parse command line options
sub parse_options()
{
while (@ARGV && $ARGV[0] =~ /^-/)
{
my $arg = shift @ARGV;
if ($arg eq '--') { last; }
elsif ($arg eq '-c') { $cia_project_name = shift @ARGV; }
elsif ($arg eq '-m') { $commitlist_address = shift @ARGV; }
elsif ($arg eq '-n') { $max_individual_notices = shift @ARGV; }
elsif ($arg eq '-r') { $repos_name = shift @ARGV; }
elsif ($arg eq '-s') { $max_diff_size = shift @ARGV; }
elsif ($arg eq '-u') { $gitweb_url = shift @ARGV; }
elsif ($arg eq '-x') { push @exclude_list, "^" . shift @ARGV; }
elsif ($arg eq '-d') { $debug++; }
else { usage(); }
}
if (@ARGV && $#ARGV != 2) { usage(); }
}
# send an email notification
sub mail_notification($$$@)
{
my ($name, $subject, $content_type, @text) = @_;
$subject = encode("MIME-Q",$subject);
if ($debug)
{
print "---------------------\n";
print "To: $name\n";
print "Subject: $subject\n";
print "Content-Type: $content_type\n";
print "\n", join("\n", @text), "\n";
}
else
{
my $pid = open MAIL, "|-";
return unless defined $pid;
if (!$pid)
{
exec $mailer, "-s", $subject, "-a", "Content-Type: $content_type", $name or die "Cannot exec $mailer";
}
print MAIL join("\n", @text), "\n";
close MAIL;
}
}
# get the default repository name
sub get_repos_name()
{
my $dir = `git rev-parse --git-dir`;
chomp $dir;
my $repos = realpath($dir);
$repos =~ s/(.*?)((\.git\/)?\.git)$/\1/;
$repos =~ s/(.*)\/([^\/]+)\/?$/\2/;
return $repos;
}
# extract the information from a commit or tag object and return a hash containing the various fields
sub get_object_info($)
{
my $obj = shift;
my %info = ();
my @log = ();
my $do_log = 0;
open TYPE, "-|" or exec "git", "cat-file", "-t", $obj or die "cannot run git-cat-file";
my $type = <TYPE>;
chomp $type;
close TYPE;
open OBJ, "-|" or exec "git", "cat-file", $type, $obj or die "cannot run git-cat-file";
while (<OBJ>)
{
chomp;
if ($do_log)
{
last if /^-----BEGIN PGP SIGNATURE-----/;
push @log, $_;
}
elsif (/^(author|committer|tagger) ((.*)(<.*>)) (\d+) ([+-]\d+)$/)
{
$info{$1} = $2;
$info{$1 . "_name"} = $3;
$info{$1 . "_email"} = $4;
$info{$1 . "_date"} = $5;
$info{$1 . "_tz"} = $6;
}
elsif (/^tag (.*)$/)
{
$info{"tag"} = $1;
}
elsif (/^$/) { $do_log = 1; }
}
close OBJ;
$info{"type"} = $type;
$info{"log"} = \@log;
return %info;
}
# send a commit notice to a mailing list
sub send_commit_notice($$)
{
my ($ref,$obj) = @_;
my %info = get_object_info($obj);
my @notice = ();
my $subject;
if ($info{"type"} eq "tag")
{
push @notice,
"[$repos_name] [branch: $ref]",
"Tag: $obj",
"> $gitweb_url?a=tag;h=$obj",
"",
"Tagger: " . $info{"tagger"},
"Date: " . format_date($info{"tagger_date"},$info{"tagger_tz"}),
"",
join "\n", @{$info{"log"}};
$subject = "Tag " . $info{"tag"} . " : " . $info{"tagger_name"} . ": " . ${$info{"log"}}[0];
}
else
{
push @notice,
"$repos_name | branch: $ref | ".$info{"author"}." | ". format_date($info{"author_date"},$info{"author_tz"}) . "| [$obj] | committer: ".$info{"committer_name"},
"",
join "\n", @{$info{"log"}},
"",
"> $gitweb_url/?a=commit;h=$obj",
"---",
"";
open STAT, "-|" or exec "git", "diff-tree", "--stat", "-M", "--no-commit-id", $obj or die "cannot exec git-diff-tree";
push @notice, join("", <STAT>);
close STAT;
open DIFF, "-|" or exec "git", "diff-tree", "-p", "-M", "--no-commit-id", $obj or die "cannot exec git-diff-tree";
my $diff = join( "", <DIFF> );
close DIFF;
if (($max_diff_size == -1) || (length($diff) < $max_diff_size))
{
push @notice, $diff;
}
else
{
push @notice, "Diff: $gitweb_url/?a=commitdiff;h=$obj",
}
$subject = "commit: " . ${$info{"log"}}[0] . " (" . $info{"author_name"} . ")";
}
mail_notification($commitlist_address, $subject, "text/plain; charset=UTF-8", @notice);
}
# send a commit notice to the CIA server
sub send_cia_notice($$)
{
my ($ref,$commit) = @_;
my %info = get_object_info($commit);
my @cia_text = ();
return if $info{"type"} ne "commit";
push @cia_text,
"<message>",
" <generator>",
" <name>git-notify script for CIA</name>",
" </generator>",
" <source>",
" <project>" . xml_escape($cia_project_name) . "</project>",
" <module>" . xml_escape($repos_name) . "</module>",
" <branch>" . xml_escape($ref). "</branch>",
" </source>",
" <body>",
" <commit>",
" <revision>" . substr($commit,0,10) . "</revision>",
" <author>" . xml_escape($info{"author_name"}) . "</author>",
" <log>" . xml_escape(join "\n", @{$info{"log"}}) . "</log>",
" <files>";
open COMMIT, "-|" or exec "git", "diff-tree", "--name-status", "-r", "-M", $commit or die "cannot run git-diff-tree";
while (<COMMIT>)
{
chomp;
if (/^([AMD])\t(.*)$/)
{
my ($action, $file) = ($1, $2);
my %actions = ( "A" => "add", "M" => "modify", "D" => "remove" );
next unless defined $actions{$action};
push @cia_text, " <file action=\"$actions{$action}\">" . xml_escape($file) . "</file>";
}
elsif (/^R\d+\t(.*)\t(.*)$/)
{
my ($old, $new) = ($1, $2);
push @cia_text, " <file action=\"rename\" to=\"" . xml_escape($new) . "\">" . xml_escape($old) . "</file>";
}
}
close COMMIT;
push @cia_text,
" </files>",
" <url>" . xml_escape("$gitweb_url/?a=commit;h=$commit") . "</url>",
" </commit>",
" </body>",
" <timestamp>" . $info{"author_date"} . "</timestamp>",
"</message>";
mail_notification($cia_address, "DeliverXML", "text/xml", @cia_text);
}
# send a global commit notice when there are too many commits for individual mails
sub send_global_notice($$$)
{
my ($ref, $old_sha1, $new_sha1) = @_;
my @notice = ();
open LIST, "-|" or exec "git", "rev-list", "--pretty", "^$old_sha1", "$new_sha1", @exclude_list or die "cannot exec git-rev-list";
while (<LIST>)
{
chomp;
s/^commit /URL: $gitweb_url\/?a=commit;h=/;
push @notice, $_;
}
close LIST;
mail_notification($commitlist_address, "New commits on branch $ref", "text/plain; charset=UTF-8", @notice);
}
# send all the notices
sub send_all_notices($$$)
{
my ($ref, $old_sha1, $new_sha1) = @_;
$ref =~ s/^refs\/heads\///;
if ($old_sha1 eq '0' x 40) # new ref
{
send_commit_notice( $ref, $new_sha1 ) if $commitlist_address;
return;
}
my @commits = ();
open LIST, "-|" or exec "git", "rev-list", "^$old_sha1", "$new_sha1", @exclude_list or die "cannot exec git-rev-list";
while (<LIST>)
{
chomp;
die "invalid commit $_" unless /^[0-9a-f]{40}$/;
unshift @commits, $_;
}
close LIST;
if (@commits > $max_individual_notices)
{
send_global_notice( $ref, $old_sha1, $new_sha1 ) if $commitlist_address;
return;
}
foreach my $commit (@commits)
{
send_commit_notice( $ref, $commit ) if $commitlist_address;
send_cia_notice( $ref, $commit ) if $cia_project_name;
}
}
$repos_name = get_repos_name();
parse_options();
# append repository path to URL
$gitweb_url .= "/$repos_name.git";
if (@ARGV)
{
send_all_notices( $ARGV[0], $ARGV[1], $ARGV[2] );
}
else # read them from stdin
{
while (<>)
{
chomp;
if (/^([0-9a-f]{40}) ([0-9a-f]{40}) (.*)$/) { send_all_notices( $3, $1, $2 ); }
}
}
exit 0;
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