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1 #!/usr/bin/perl -w |
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2 # |
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3 # Tool to send git commit notifications |
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4 # |
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5 # Copyright 2005 Alexandre Julliard |
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6 # |
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7 # This program is free software; you can redistribute it and/or |
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8 # modify it under the terms of the GNU General Public License as |
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9 # published by the Free Software Foundation; either version 2 of |
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10 # the License, or (at your option) any later version. |
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11 # |
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12 # |
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13 # This script is meant to be called from .git/hooks/post-receive. |
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14 # |
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15 # Usage: git-notify [options] [--] old-sha1 new-sha1 refname |
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16 # |
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17 # -c name Send CIA notifications under specified project name |
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18 # -m addr Send mail notifications to specified address |
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19 # -n max Set max number of individual mails to send |
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20 # -r name Set the git repository name |
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21 # -s bytes Set the maximum diff size in bytes (-1 for no limit) |
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22 # -u url Set the URL to the gitweb browser |
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23 # -i branch If at least one -i is given, report only for specified branches |
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24 # -x branch Exclude changes to the specified branch from reports |
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25 # -X Exclude merge commits |
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26 # |
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27 |
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28 use strict; |
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29 use open ':utf8'; |
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30 use Encode 'encode'; |
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31 use Cwd 'realpath'; |
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32 |
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33 binmode STDIN, ':utf8'; |
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34 binmode STDOUT, ':utf8'; |
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35 |
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36 sub git_config($); |
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37 sub get_repos_name(); |
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38 |
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39 # some parameters you may want to change |
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40 |
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41 # CIA notification address |
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42 my $cia_address = "cia\@cia.navi.cx"; |
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43 |
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44 # debug mode |
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45 my $debug = 0; |
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46 |
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47 # configuration parameters |
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48 |
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49 # base URL of the gitweb repository browser (can be set with the -u option) |
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50 my $gitweb_url = git_config( "notify.baseurl" ); |
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51 |
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52 # default repository name (can be changed with the -r option) |
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53 my $repos_name = git_config( "notify.repository" ) || get_repos_name(); |
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54 |
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55 # max size of diffs in bytes (can be changed with the -s option) |
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56 my $max_diff_size = git_config( "notify.maxdiff" ) || 10000; |
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57 |
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58 # address for mail notices (can be set with -m option) |
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59 my $commitlist_address = git_config( "notify.mail" ); |
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60 |
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61 # project name for CIA notices (can be set with -c option) |
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62 my $cia_project_name = git_config( "notify.cia" ); |
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63 |
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64 # max number of individual notices before falling back to a single global notice (can be set with -n option) |
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65 my $max_individual_notices = git_config( "notify.maxnotices" ) || 100; |
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66 |
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67 # branches to include |
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68 my @include_list = split /\s+/, git_config( "notify.include" ) || ""; |
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69 |
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70 # branches to exclude |
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71 my @exclude_list = split /\s+/, git_config( "notify.exclude" ) || ""; |
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72 |
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73 # set this to something that takes "-s" |
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74 my $mailer = git_config( "notify.mailer" ) || "/usr/bin/mail"; |
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75 |
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76 # Extra options to git rev-list |
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77 my @revlist_options; |
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78 |
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79 sub usage() |
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80 { |
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81 print "Usage: $0 [options] [--] old-sha1 new-sha1 refname\n"; |
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82 print " -c name Send CIA notifications under specified project name\n"; |
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83 print " -m addr Send mail notifications to specified address\n"; |
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84 print " -n max Set max number of individual mails to send\n"; |
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85 print " -r name Set the git repository name\n"; |
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86 print " -s bytes Set the maximum diff size in bytes (-1 for no limit)\n"; |
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87 print " -u url Set the URL to the gitweb browser\n"; |
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88 print " -i branch If at least one -i is given, report only for specified branches\n"; |
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89 print " -x branch Exclude changes to the specified branch from reports\n"; |
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90 print " -X Exclude merge commits\n"; |
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91 exit 1; |
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92 } |
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93 |
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94 sub xml_escape($) |
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95 { |
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96 my $str = shift; |
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97 $str =~ s/&/&/g; |
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98 $str =~ s/</</g; |
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99 $str =~ s/>/>/g; |
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100 my @chars = unpack "U*", $str; |
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101 $str = join "", map { ($_ > 127) ? sprintf "&#%u;", $_ : chr($_); } @chars; |
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102 return $str; |
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103 } |
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104 |
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105 # format an integer date + timezone as string |
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106 # algorithm taken from git's date.c |
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107 sub format_date($$) |
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108 { |
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109 my ($time,$tz) = @_; |
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110 |
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111 if ($tz < 0) |
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112 { |
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113 my $minutes = (-$tz / 100) * 60 + (-$tz % 100); |
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114 $time -= $minutes * 60; |
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115 } |
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116 else |
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117 { |
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118 my $minutes = ($tz / 100) * 60 + ($tz % 100); |
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119 $time += $minutes * 60; |
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120 } |
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121 return gmtime($time) . sprintf " %+05d", $tz; |
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122 } |
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123 |
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124 # fetch a parameter from the git config file |
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125 sub git_config($) |
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126 { |
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127 my ($param) = @_; |
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128 |
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129 open CONFIG, "-|" or exec "git", "config", $param; |
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130 my $ret = <CONFIG>; |
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131 chomp $ret if $ret; |
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132 close CONFIG or $ret = undef; |
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133 return $ret; |
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134 } |
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135 |
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136 # parse command line options |
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137 sub parse_options() |
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138 { |
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139 while (@ARGV && $ARGV[0] =~ /^-/) |
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140 { |
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141 my $arg = shift @ARGV; |
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142 |
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143 if ($arg eq '--') { last; } |
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144 elsif ($arg eq '-c') { $cia_project_name = shift @ARGV; } |
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145 elsif ($arg eq '-m') { $commitlist_address = shift @ARGV; } |
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146 elsif ($arg eq '-n') { $max_individual_notices = shift @ARGV; } |
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147 elsif ($arg eq '-r') { $repos_name = shift @ARGV; } |
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148 elsif ($arg eq '-s') { $max_diff_size = shift @ARGV; } |
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149 elsif ($arg eq '-u') { $gitweb_url = shift @ARGV; } |
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150 elsif ($arg eq '-i') { push @include_list, shift @ARGV; } |
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151 elsif ($arg eq '-x') { push @exclude_list, shift @ARGV; } |
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152 elsif ($arg eq '-X') { push @revlist_options, "--no-merges"; } |
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153 elsif ($arg eq '-d') { $debug++; } |
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154 else { usage(); } |
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155 } |
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156 if (@ARGV && $#ARGV != 2) { usage(); } |
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157 @exclude_list = map { "^$_"; } @exclude_list; |
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158 } |
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159 |
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160 # send an email notification |
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161 sub mail_notification($$$@) |
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162 { |
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163 my ($name, $subject, $content_type, @text) = @_; |
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164 $subject = encode("MIME-Q",$subject); |
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165 if ($debug) |
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166 { |
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167 print "---------------------\n"; |
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168 print "To: $name\n"; |
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169 print "Subject: $subject\n"; |
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170 print "Content-Type: $content_type\n"; |
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171 print "\n", join("\n", @text), "\n"; |
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172 } |
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173 else |
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174 { |
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175 my $pid = open MAIL, "|-"; |
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176 return unless defined $pid; |
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177 if (!$pid) |
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178 { |
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179 exec $mailer, "-s", $subject, "-a", "Content-Type: $content_type", $name or die "Cannot exec $mailer"; |
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180 } |
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181 print MAIL join("\n", @text), "\n"; |
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182 close MAIL; |
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183 } |
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184 } |
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185 |
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186 # get the default repository name |
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187 sub get_repos_name() |
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188 { |
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189 my $dir = `git rev-parse --git-dir`; |
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190 chomp $dir; |
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191 my $repos = realpath($dir); |
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192 $repos =~ s/(.*?)((\.git\/)?\.git)$/$1/; |
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193 $repos =~ s/(.*)\/([^\/]+)\/?$/$2/; |
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194 return $repos; |
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195 } |
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196 |
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197 # extract the information from a commit or tag object and return a hash containing the various fields |
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198 sub get_object_info($) |
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199 { |
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200 my $obj = shift; |
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201 my %info = (); |
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202 my @log = (); |
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203 my $do_log = 0; |
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204 |
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205 open TYPE, "-|" or exec "git", "cat-file", "-t", $obj or die "cannot run git-cat-file"; |
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206 my $type = <TYPE>; |
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207 chomp $type; |
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208 close TYPE; |
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209 |
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210 open OBJ, "-|" or exec "git", "cat-file", $type, $obj or die "cannot run git-cat-file"; |
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211 while (<OBJ>) |
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212 { |
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213 chomp; |
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214 if ($do_log) |
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215 { |
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216 last if /^-----BEGIN PGP SIGNATURE-----/; |
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217 push @log, $_; |
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218 } |
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219 elsif (/^(author|committer|tagger) ((.*)(<.*>)) (\d+) ([+-]\d+)$/) |
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220 { |
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221 $info{$1} = $2; |
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222 $info{$1 . "_name"} = $3; |
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223 $info{$1 . "_email"} = $4; |
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224 $info{$1 . "_date"} = $5; |
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225 $info{$1 . "_tz"} = $6; |
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226 } |
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227 elsif (/^tag (.*)$/) |
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228 { |
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229 $info{"tag"} = $1; |
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230 } |
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231 elsif (/^$/) { $do_log = 1; } |
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232 } |
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233 close OBJ; |
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234 |
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235 $info{"type"} = $type; |
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236 $info{"log"} = \@log; |
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237 return %info; |
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238 } |
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239 |
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240 # send a commit notice to a mailing list |
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241 sub send_commit_notice($$) |
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242 { |
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243 my ($ref,$obj) = @_; |
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244 my %info = get_object_info($obj); |
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245 my @notice = (); |
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246 my $subject; |
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247 |
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248 if ($info{"type"} eq "tag") |
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249 { |
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250 push @notice, |
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251 "Module: $repos_name", |
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252 "Branch: $ref", |
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253 "Tag: $obj", |
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254 $gitweb_url ? "URL: $gitweb_url/?a=tag;h=$obj\n" : "", |
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255 "Tagger: " . $info{"tagger"}, |
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256 "Date: " . format_date($info{"tagger_date"},$info{"tagger_tz"}), |
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257 "", |
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258 join "\n", @{$info{"log"}}; |
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259 $subject = "Tag " . $info{"tag"} . " : " . $info{"tagger_name"} . ": " . ${$info{"log"}}[0]; |
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260 } |
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261 else |
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262 { |
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263 push @notice, |
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264 "Module: $repos_name", |
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265 "Branch: $ref", |
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266 "Commit: $obj", |
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267 $gitweb_url ? "URL: $gitweb_url/?a=commit;h=$obj\n" : "", |
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268 "Author: " . $info{"author"}, |
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269 "Date: " . format_date($info{"author_date"},$info{"author_tz"}), |
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270 "", |
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271 join "\n", @{$info{"log"}}, |
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272 "", |
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273 "---", |
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274 ""; |
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275 |
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276 open STAT, "-|" or exec "git", "diff-tree", "--stat", "-M", "--no-commit-id", $obj or die "cannot exec git-diff-tree"; |
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277 push @notice, join("", <STAT>); |
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278 close STAT; |
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279 |
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280 open DIFF, "-|" or exec "git", "diff-tree", "-p", "-M", "--no-commit-id", $obj or die "cannot exec git-diff-tree"; |
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281 my $diff = join( "", <DIFF> ); |
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282 close DIFF; |
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283 |
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284 if (($max_diff_size == -1) || (length($diff) < $max_diff_size)) |
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285 { |
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286 push @notice, $diff; |
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287 } |
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288 else |
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289 { |
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290 push @notice, "Diff: $gitweb_url/?a=commitdiff;h=$obj" if $gitweb_url; |
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291 } |
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292 |
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293 $subject = $info{"author_name"} . ": " . ${$info{"log"}}[0]; |
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294 } |
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295 |
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296 mail_notification($commitlist_address, $subject, "text/plain; charset=UTF-8", @notice); |
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297 } |
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298 |
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299 # send a commit notice to the CIA server |
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300 sub send_cia_notice($$) |
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301 { |
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302 my ($ref,$commit) = @_; |
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303 my %info = get_object_info($commit); |
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304 my @cia_text = (); |
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305 |
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306 return if $info{"type"} ne "commit"; |
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307 |
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308 push @cia_text, |
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309 "<message>", |
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310 " <generator>", |
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311 " <name>git-notify script for CIA</name>", |
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312 " </generator>", |
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313 " <source>", |
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314 " <project>" . xml_escape($cia_project_name) . "</project>", |
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315 " <module>" . xml_escape($repos_name) . "</module>", |
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316 " <branch>" . xml_escape($ref). "</branch>", |
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317 " </source>", |
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318 " <body>", |
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319 " <commit>", |
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320 " <revision>" . substr($commit,0,10) . "</revision>", |
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321 " <author>" . xml_escape($info{"author"}) . "</author>", |
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322 " <log>" . xml_escape(join "\n", @{$info{"log"}}) . "</log>", |
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323 " <files>"; |
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324 |
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325 open COMMIT, "-|" or exec "git", "diff-tree", "--name-status", "-r", "-M", $commit or die "cannot run git-diff-tree"; |
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326 while (<COMMIT>) |
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327 { |
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328 chomp; |
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329 if (/^([AMD])\t(.*)$/) |
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330 { |
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331 my ($action, $file) = ($1, $2); |
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332 my %actions = ( "A" => "add", "M" => "modify", "D" => "remove" ); |
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333 next unless defined $actions{$action}; |
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334 push @cia_text, " <file action=\"$actions{$action}\">" . xml_escape($file) . "</file>"; |
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335 } |
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336 elsif (/^R\d+\t(.*)\t(.*)$/) |
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337 { |
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338 my ($old, $new) = ($1, $2); |
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339 push @cia_text, " <file action=\"rename\" to=\"" . xml_escape($new) . "\">" . xml_escape($old) . "</file>"; |
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340 } |
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341 } |
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342 close COMMIT; |
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343 |
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344 push @cia_text, |
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345 " </files>", |
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346 $gitweb_url ? " <url>" . xml_escape("$gitweb_url/?a=commit;h=$commit") . "</url>" : "", |
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347 " </commit>", |
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348 " </body>", |
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349 " <timestamp>" . $info{"author_date"} . "</timestamp>", |
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350 "</message>"; |
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351 |
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352 mail_notification($cia_address, "DeliverXML", "text/xml", @cia_text); |
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353 } |
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354 |
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355 # send a global commit notice when there are too many commits for individual mails |
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356 sub send_global_notice($$$) |
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357 { |
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358 my ($ref, $old_sha1, $new_sha1) = @_; |
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359 my @notice = (); |
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360 |
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361 push @revlist_options, "--pretty"; |
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362 open LIST, "-|" or exec "git", "rev-list", @revlist_options, "^$old_sha1", "$new_sha1", @exclude_list or die "cannot exec git-rev-list"; |
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363 while (<LIST>) |
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364 { |
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365 chomp; |
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366 s/^commit /URL: $gitweb_url\/?a=commit;h=/ if $gitweb_url; |
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367 push @notice, $_; |
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368 } |
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369 close LIST; |
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370 |
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371 mail_notification($commitlist_address, "New commits on branch $ref", "text/plain; charset=UTF-8", @notice); |
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372 } |
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373 |
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374 # send all the notices |
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375 sub send_all_notices($$$) |
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376 { |
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377 my ($old_sha1, $new_sha1, $ref) = @_; |
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378 |
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379 $ref =~ s/^refs\/heads\///; |
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380 |
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381 return if (@include_list && !grep {$_ eq $ref} @include_list); |
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382 |
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383 if ($old_sha1 eq '0' x 40) # new ref |
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384 { |
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385 send_commit_notice( $ref, $new_sha1 ) if $commitlist_address; |
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386 return; |
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387 } |
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388 |
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389 my @commits = (); |
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390 |
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391 open LIST, "-|" or exec "git", "rev-list", @revlist_options, "^$old_sha1", "$new_sha1", @exclude_list or die "cannot exec git-rev-list"; |
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392 while (<LIST>) |
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393 { |
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394 chomp; |
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395 die "invalid commit $_" unless /^[0-9a-f]{40}$/; |
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396 unshift @commits, $_; |
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397 } |
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398 close LIST; |
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399 |
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400 if (@commits > $max_individual_notices) |
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401 { |
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402 send_global_notice( $ref, $old_sha1, $new_sha1 ) if $commitlist_address; |
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403 return; |
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404 } |
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405 |
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406 foreach my $commit (@commits) |
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407 { |
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408 send_commit_notice( $ref, $commit ) if $commitlist_address; |
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409 send_cia_notice( $ref, $commit ) if $cia_project_name; |
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410 } |
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411 } |
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412 |
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413 parse_options(); |
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414 |
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415 # append repository path to URL |
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416 $gitweb_url .= "/$repos_name.git" if $gitweb_url; |
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417 |
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418 if (@ARGV) |
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419 { |
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420 send_all_notices( $ARGV[0], $ARGV[1], $ARGV[2] ); |
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421 } |
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422 else # read them from stdin |
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423 { |
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424 while (<>) |
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425 { |
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426 chomp; |
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427 if (/^([0-9a-f]{40}) ([0-9a-f]{40}) (.*)$/) { send_all_notices( $1, $2, $3 ); } |
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428 } |
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429 } |
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430 |
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431 exit 0; |