git/git-notify

changeset 516
827ba617ed8c
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/git/git-notify	Fri Aug 10 14:40:03 2012 +0200
     1.3 @@ -0,0 +1,431 @@
     1.4 +#!/usr/bin/perl -w
     1.5 +#
     1.6 +# Tool to send git commit notifications
     1.7 +#
     1.8 +# Copyright 2005 Alexandre Julliard
     1.9 +#
    1.10 +# This program is free software; you can redistribute it and/or
    1.11 +# modify it under the terms of the GNU General Public License as
    1.12 +# published by the Free Software Foundation; either version 2 of
    1.13 +# the License, or (at your option) any later version.
    1.14 +#
    1.15 +#
    1.16 +# This script is meant to be called from .git/hooks/post-receive.
    1.17 +#
    1.18 +# Usage: git-notify [options] [--] old-sha1 new-sha1 refname
    1.19 +#
    1.20 +#   -c name   Send CIA notifications under specified project name
    1.21 +#   -m addr   Send mail notifications to specified address
    1.22 +#   -n max    Set max number of individual mails to send
    1.23 +#   -r name   Set the git repository name
    1.24 +#   -s bytes  Set the maximum diff size in bytes (-1 for no limit)
    1.25 +#   -u url    Set the URL to the gitweb browser
    1.26 +#   -i branch If at least one -i is given, report only for specified branches
    1.27 +#   -x branch Exclude changes to the specified branch from reports
    1.28 +#   -X        Exclude merge commits
    1.29 +#
    1.30 +
    1.31 +use strict;
    1.32 +use open ':utf8';
    1.33 +use Encode 'encode';
    1.34 +use Cwd 'realpath';
    1.35 +
    1.36 +binmode STDIN, ':utf8';
    1.37 +binmode STDOUT, ':utf8';
    1.38 +
    1.39 +sub git_config($);
    1.40 +sub get_repos_name();
    1.41 +
    1.42 +# some parameters you may want to change
    1.43 +
    1.44 +# CIA notification address
    1.45 +my $cia_address = "cia\@cia.navi.cx";
    1.46 +
    1.47 +# debug mode
    1.48 +my $debug = 0;
    1.49 +
    1.50 +# configuration parameters
    1.51 +
    1.52 +# base URL of the gitweb repository browser (can be set with the -u option)
    1.53 +my $gitweb_url = git_config( "notify.baseurl" );
    1.54 +
    1.55 +# default repository name (can be changed with the -r option)
    1.56 +my $repos_name = git_config( "notify.repository" ) || get_repos_name();
    1.57 +
    1.58 +# max size of diffs in bytes (can be changed with the -s option)
    1.59 +my $max_diff_size = git_config( "notify.maxdiff" ) || 10000;
    1.60 +
    1.61 +# address for mail notices (can be set with -m option)
    1.62 +my $commitlist_address = git_config( "notify.mail" );
    1.63 +
    1.64 +# project name for CIA notices (can be set with -c option)
    1.65 +my $cia_project_name = git_config( "notify.cia" );
    1.66 +
    1.67 +# max number of individual notices before falling back to a single global notice (can be set with -n option)
    1.68 +my $max_individual_notices = git_config( "notify.maxnotices" ) || 100;
    1.69 +
    1.70 +# branches to include
    1.71 +my @include_list = split /\s+/, git_config( "notify.include" ) || "";
    1.72 +
    1.73 +# branches to exclude
    1.74 +my @exclude_list = split /\s+/, git_config( "notify.exclude" ) || "";
    1.75 +
    1.76 +# set this to something that takes "-s"
    1.77 +my $mailer = git_config( "notify.mailer" ) || "/usr/bin/mail";
    1.78 +
    1.79 +# Extra options to git rev-list
    1.80 +my @revlist_options;
    1.81 +
    1.82 +sub usage()
    1.83 +{
    1.84 +    print "Usage: $0 [options] [--] old-sha1 new-sha1 refname\n";
    1.85 +    print "   -c name   Send CIA notifications under specified project name\n";
    1.86 +    print "   -m addr   Send mail notifications to specified address\n";
    1.87 +    print "   -n max    Set max number of individual mails to send\n";
    1.88 +    print "   -r name   Set the git repository name\n";
    1.89 +    print "   -s bytes  Set the maximum diff size in bytes (-1 for no limit)\n";
    1.90 +    print "   -u url    Set the URL to the gitweb browser\n";
    1.91 +    print "   -i branch If at least one -i is given, report only for specified branches\n";
    1.92 +    print "   -x branch Exclude changes to the specified branch from reports\n";
    1.93 +    print "   -X        Exclude merge commits\n";
    1.94 +    exit 1;
    1.95 +}
    1.96 +
    1.97 +sub xml_escape($)
    1.98 +{
    1.99 +    my $str = shift;
   1.100 +    $str =~ s/&/&/g;
   1.101 +    $str =~ s/</&lt;/g;
   1.102 +    $str =~ s/>/&gt;/g;
   1.103 +    my @chars = unpack "U*", $str;
   1.104 +    $str = join "", map { ($_ > 127) ? sprintf "&#%u;", $_ : chr($_); } @chars;
   1.105 +    return $str;
   1.106 +}
   1.107 +
   1.108 +# format an integer date + timezone as string
   1.109 +# algorithm taken from git's date.c
   1.110 +sub format_date($$)
   1.111 +{
   1.112 +    my ($time,$tz) = @_;
   1.113 +
   1.114 +    if ($tz < 0)
   1.115 +    {
   1.116 +        my $minutes = (-$tz / 100) * 60 + (-$tz % 100);
   1.117 +        $time -= $minutes * 60;
   1.118 +    }
   1.119 +    else
   1.120 +    {
   1.121 +        my $minutes = ($tz / 100) * 60 + ($tz % 100);
   1.122 +        $time += $minutes * 60;
   1.123 +    }
   1.124 +    return gmtime($time) . sprintf " %+05d", $tz;
   1.125 +}
   1.126 +
   1.127 +# fetch a parameter from the git config file
   1.128 +sub git_config($)
   1.129 +{
   1.130 +    my ($param) = @_;
   1.131 +
   1.132 +    open CONFIG, "-|" or exec "git", "config", $param;
   1.133 +    my $ret = <CONFIG>;
   1.134 +    chomp $ret if $ret;
   1.135 +    close CONFIG or $ret = undef;
   1.136 +    return $ret;
   1.137 +}
   1.138 +
   1.139 +# parse command line options
   1.140 +sub parse_options()
   1.141 +{
   1.142 +    while (@ARGV && $ARGV[0] =~ /^-/)
   1.143 +    {
   1.144 +        my $arg = shift @ARGV;
   1.145 +
   1.146 +        if ($arg eq '--') { last; }
   1.147 +        elsif ($arg eq '-c') { $cia_project_name = shift @ARGV; }
   1.148 +        elsif ($arg eq '-m') { $commitlist_address = shift @ARGV; }
   1.149 +        elsif ($arg eq '-n') { $max_individual_notices = shift @ARGV; }
   1.150 +        elsif ($arg eq '-r') { $repos_name = shift @ARGV; }
   1.151 +        elsif ($arg eq '-s') { $max_diff_size = shift @ARGV; }
   1.152 +        elsif ($arg eq '-u') { $gitweb_url = shift @ARGV; }
   1.153 +        elsif ($arg eq '-i') { push @include_list, shift @ARGV; }
   1.154 +        elsif ($arg eq '-x') { push @exclude_list, shift @ARGV; }
   1.155 +        elsif ($arg eq '-X') { push @revlist_options, "--no-merges"; }
   1.156 +        elsif ($arg eq '-d') { $debug++; }
   1.157 +        else { usage(); }
   1.158 +    }
   1.159 +    if (@ARGV && $#ARGV != 2) { usage(); }
   1.160 +    @exclude_list = map { "^$_"; } @exclude_list;
   1.161 +}
   1.162 +
   1.163 +# send an email notification
   1.164 +sub mail_notification($$$@)
   1.165 +{
   1.166 +    my ($name, $subject, $content_type, @text) = @_;
   1.167 +    $subject = encode("MIME-Q",$subject);
   1.168 +    if ($debug)
   1.169 +    {
   1.170 +        print "---------------------\n";
   1.171 +        print "To: $name\n";
   1.172 +        print "Subject: $subject\n";
   1.173 +        print "Content-Type: $content_type\n";
   1.174 +        print "\n", join("\n", @text), "\n";
   1.175 +    }
   1.176 +    else
   1.177 +    {
   1.178 +        my $pid = open MAIL, "|-";
   1.179 +        return unless defined $pid;
   1.180 +        if (!$pid)
   1.181 +        {
   1.182 +            exec $mailer, "-s", $subject, "-a", "Content-Type: $content_type", $name or die "Cannot exec $mailer";
   1.183 +        }
   1.184 +        print MAIL join("\n", @text), "\n";
   1.185 +        close MAIL;
   1.186 +    }
   1.187 +}
   1.188 +
   1.189 +# get the default repository name
   1.190 +sub get_repos_name()
   1.191 +{
   1.192 +    my $dir = `git rev-parse --git-dir`;
   1.193 +    chomp $dir;
   1.194 +    my $repos = realpath($dir);
   1.195 +    $repos =~ s/(.*?)((\.git\/)?\.git)$/$1/;
   1.196 +    $repos =~ s/(.*)\/([^\/]+)\/?$/$2/;
   1.197 +    return $repos;
   1.198 +}
   1.199 +
   1.200 +# extract the information from a commit or tag object and return a hash containing the various fields
   1.201 +sub get_object_info($)
   1.202 +{
   1.203 +    my $obj = shift;
   1.204 +    my %info = ();
   1.205 +    my @log = ();
   1.206 +    my $do_log = 0;
   1.207 +
   1.208 +    open TYPE, "-|" or exec "git", "cat-file", "-t", $obj or die "cannot run git-cat-file";
   1.209 +    my $type = <TYPE>;
   1.210 +    chomp $type;
   1.211 +    close TYPE;
   1.212 +
   1.213 +    open OBJ, "-|" or exec "git", "cat-file", $type, $obj or die "cannot run git-cat-file";
   1.214 +    while (<OBJ>)
   1.215 +    {
   1.216 +        chomp;
   1.217 +        if ($do_log)
   1.218 +        {
   1.219 +            last if /^-----BEGIN PGP SIGNATURE-----/;
   1.220 +            push @log, $_;
   1.221 +        }
   1.222 +        elsif (/^(author|committer|tagger) ((.*)(<.*>)) (\d+) ([+-]\d+)$/)
   1.223 +        {
   1.224 +            $info{$1} = $2;
   1.225 +            $info{$1 . "_name"} = $3;
   1.226 +            $info{$1 . "_email"} = $4;
   1.227 +            $info{$1 . "_date"} = $5;
   1.228 +            $info{$1 . "_tz"} = $6;
   1.229 +        }
   1.230 +        elsif (/^tag (.*)$/)
   1.231 +        {
   1.232 +            $info{"tag"} = $1;
   1.233 +        }
   1.234 +        elsif (/^$/) { $do_log = 1; }
   1.235 +    }
   1.236 +    close OBJ;
   1.237 +
   1.238 +    $info{"type"} = $type;
   1.239 +    $info{"log"} = \@log;
   1.240 +    return %info;
   1.241 +}
   1.242 +
   1.243 +# send a commit notice to a mailing list
   1.244 +sub send_commit_notice($$)
   1.245 +{
   1.246 +    my ($ref,$obj) = @_;
   1.247 +    my %info = get_object_info($obj);
   1.248 +    my @notice = ();
   1.249 +    my $subject;
   1.250 +
   1.251 +    if ($info{"type"} eq "tag")
   1.252 +    {
   1.253 +        push @notice,
   1.254 +        "Module: $repos_name",
   1.255 +        "Branch: $ref",
   1.256 +        "Tag:    $obj",
   1.257 +        $gitweb_url ? "URL:    $gitweb_url/?a=tag;h=$obj\n" : "",
   1.258 +        "Tagger: " . $info{"tagger"},
   1.259 +        "Date:   " . format_date($info{"tagger_date"},$info{"tagger_tz"}),
   1.260 +        "",
   1.261 +        join "\n", @{$info{"log"}};
   1.262 +        $subject = "Tag " . $info{"tag"} . " : " . $info{"tagger_name"} . ": " . ${$info{"log"}}[0];
   1.263 +    }
   1.264 +    else
   1.265 +    {
   1.266 +        push @notice,
   1.267 +        "Module: $repos_name",
   1.268 +        "Branch: $ref",
   1.269 +        "Commit: $obj",
   1.270 +        $gitweb_url ? "URL:    $gitweb_url/?a=commit;h=$obj\n" : "",
   1.271 +        "Author: " . $info{"author"},
   1.272 +        "Date:   " . format_date($info{"author_date"},$info{"author_tz"}),
   1.273 +        "",
   1.274 +        join "\n", @{$info{"log"}},
   1.275 +        "",
   1.276 +        "---",
   1.277 +        "";
   1.278 +
   1.279 +        open STAT, "-|" or exec "git", "diff-tree", "--stat", "-M", "--no-commit-id", $obj or die "cannot exec git-diff-tree";
   1.280 +        push @notice, join("", <STAT>);
   1.281 +        close STAT;
   1.282 +
   1.283 +        open DIFF, "-|" or exec "git", "diff-tree", "-p", "-M", "--no-commit-id", $obj or die "cannot exec git-diff-tree";
   1.284 +        my $diff = join( "", <DIFF> );
   1.285 +        close DIFF;
   1.286 +
   1.287 +        if (($max_diff_size == -1) || (length($diff) < $max_diff_size))
   1.288 +        {
   1.289 +            push @notice, $diff;
   1.290 +        }
   1.291 +        else
   1.292 +        {
   1.293 +            push @notice, "Diff:   $gitweb_url/?a=commitdiff;h=$obj" if $gitweb_url;
   1.294 +        }
   1.295 +
   1.296 +        $subject = $info{"author_name"} . ": " . ${$info{"log"}}[0];
   1.297 +    }
   1.298 +
   1.299 +    mail_notification($commitlist_address, $subject, "text/plain; charset=UTF-8", @notice);
   1.300 +}
   1.301 +
   1.302 +# send a commit notice to the CIA server
   1.303 +sub send_cia_notice($$)
   1.304 +{
   1.305 +    my ($ref,$commit) = @_;
   1.306 +    my %info = get_object_info($commit);
   1.307 +    my @cia_text = ();
   1.308 +
   1.309 +    return if $info{"type"} ne "commit";
   1.310 +
   1.311 +    push @cia_text,
   1.312 +        "<message>",
   1.313 +        "  <generator>",
   1.314 +        "    <name>git-notify script for CIA</name>",
   1.315 +        "  </generator>",
   1.316 +        "  <source>",
   1.317 +        "    <project>" . xml_escape($cia_project_name) . "</project>",
   1.318 +        "    <module>" . xml_escape($repos_name) . "</module>",
   1.319 +        "    <branch>" . xml_escape($ref). "</branch>",
   1.320 +        "  </source>",
   1.321 +        "  <body>",
   1.322 +        "    <commit>",
   1.323 +        "      <revision>" . substr($commit,0,10) . "</revision>",
   1.324 +        "      <author>" . xml_escape($info{"author"}) . "</author>",
   1.325 +        "      <log>" . xml_escape(join "\n", @{$info{"log"}}) . "</log>",
   1.326 +        "      <files>";
   1.327 +
   1.328 +    open COMMIT, "-|" or exec "git", "diff-tree", "--name-status", "-r", "-M", $commit or die "cannot run git-diff-tree";
   1.329 +    while (<COMMIT>)
   1.330 +    {
   1.331 +        chomp;
   1.332 +        if (/^([AMD])\t(.*)$/)
   1.333 +        {
   1.334 +            my ($action, $file) = ($1, $2);
   1.335 +            my %actions = ( "A" => "add", "M" => "modify", "D" => "remove" );
   1.336 +            next unless defined $actions{$action};
   1.337 +            push @cia_text, "        <file action=\"$actions{$action}\">" . xml_escape($file) . "</file>";
   1.338 +        }
   1.339 +        elsif (/^R\d+\t(.*)\t(.*)$/)
   1.340 +        {
   1.341 +            my ($old, $new) = ($1, $2);
   1.342 +            push @cia_text, "        <file action=\"rename\" to=\"" . xml_escape($new) . "\">" . xml_escape($old) . "</file>";
   1.343 +        }
   1.344 +    }
   1.345 +    close COMMIT;
   1.346 +
   1.347 +    push @cia_text,
   1.348 +        "      </files>",
   1.349 +        $gitweb_url ? "      <url>" . xml_escape("$gitweb_url/?a=commit;h=$commit") . "</url>" : "",
   1.350 +        "    </commit>",
   1.351 +        "  </body>",
   1.352 +        "  <timestamp>" . $info{"author_date"} . "</timestamp>",
   1.353 +        "</message>";
   1.354 +
   1.355 +    mail_notification($cia_address, "DeliverXML", "text/xml", @cia_text);
   1.356 +}
   1.357 +
   1.358 +# send a global commit notice when there are too many commits for individual mails
   1.359 +sub send_global_notice($$$)
   1.360 +{
   1.361 +    my ($ref, $old_sha1, $new_sha1) = @_;
   1.362 +    my @notice = ();
   1.363 +
   1.364 +    push @revlist_options, "--pretty";
   1.365 +    open LIST, "-|" or exec "git", "rev-list", @revlist_options, "^$old_sha1", "$new_sha1", @exclude_list or die "cannot exec git-rev-list";
   1.366 +    while (<LIST>)
   1.367 +    {
   1.368 +        chomp;
   1.369 +        s/^commit /URL:    $gitweb_url\/?a=commit;h=/ if $gitweb_url;
   1.370 +        push @notice, $_;
   1.371 +    }
   1.372 +    close LIST;
   1.373 +
   1.374 +    mail_notification($commitlist_address, "New commits on branch $ref", "text/plain; charset=UTF-8", @notice);
   1.375 +}
   1.376 +
   1.377 +# send all the notices
   1.378 +sub send_all_notices($$$)
   1.379 +{
   1.380 +    my ($old_sha1, $new_sha1, $ref) = @_;
   1.381 +
   1.382 +    $ref =~ s/^refs\/heads\///;
   1.383 +
   1.384 +    return if (@include_list && !grep {$_ eq $ref} @include_list);
   1.385 +
   1.386 +    if ($old_sha1 eq '0' x 40)  # new ref
   1.387 +    {
   1.388 +        send_commit_notice( $ref, $new_sha1 ) if $commitlist_address;
   1.389 +        return;
   1.390 +    }
   1.391 +
   1.392 +    my @commits = ();
   1.393 +
   1.394 +    open LIST, "-|" or exec "git", "rev-list", @revlist_options, "^$old_sha1", "$new_sha1", @exclude_list or die "cannot exec git-rev-list";
   1.395 +    while (<LIST>)
   1.396 +    {
   1.397 +        chomp;
   1.398 +        die "invalid commit $_" unless /^[0-9a-f]{40}$/;
   1.399 +        unshift @commits, $_;
   1.400 +    }
   1.401 +    close LIST;
   1.402 +
   1.403 +    if (@commits > $max_individual_notices)
   1.404 +    {
   1.405 +        send_global_notice( $ref, $old_sha1, $new_sha1 ) if $commitlist_address;
   1.406 +        return;
   1.407 +    }
   1.408 +
   1.409 +    foreach my $commit (@commits)
   1.410 +    {
   1.411 +        send_commit_notice( $ref, $commit ) if $commitlist_address;
   1.412 +        send_cia_notice( $ref, $commit ) if $cia_project_name;
   1.413 +    }
   1.414 +}
   1.415 +
   1.416 +parse_options();
   1.417 +
   1.418 +# append repository path to URL
   1.419 +$gitweb_url .= "/$repos_name.git" if $gitweb_url;
   1.420 +
   1.421 +if (@ARGV)
   1.422 +{
   1.423 +    send_all_notices( $ARGV[0], $ARGV[1], $ARGV[2] );
   1.424 +}
   1.425 +else  # read them from stdin
   1.426 +{
   1.427 +    while (<>)
   1.428 +    {
   1.429 +        chomp;
   1.430 +        if (/^([0-9a-f]{40}) ([0-9a-f]{40}) (.*)$/) { send_all_notices( $1, $2, $3 ); }
   1.431 +    }
   1.432 +}
   1.433 +
   1.434 +exit 0;

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