Initial testament functionality

svn path=/trunk/netsurf/; revision=12020

1 files changed, 150 insertions, 0 deletions

diff --git a/utils/svn-testament.pl b/utils/svn-testament.pl
new file mode 100755
index 000000000..35df4af15
--- /dev/null
+++ b/utils/svn-testament.pl
@@ -0,0 +1,150 @@
+#!/usr/bin/perl -w
+
+use strict;
+
+=head1
+
+Generate a testament describing the current SVN status. This gets written
+out in a C form which can be used to construct the NetSurf SVN testament
+file for signon notification.
+
+If there is no SVN in place, the data is invented arbitrarily.
+
+=cut
+
+my $root = shift @ARGV;
+my $targetfile = shift @ARGV;
+
+my %svninfo; # The SVN info output
+
+my $svn_present = 0;
+if ( -d ".svn" ) {
+   $svn_present = 1;
+}
+
+if ( $svn_present ) {
+   foreach my $line (split(/\n/, `cd $root;svn info`)) {
+      my ($key, $value) = split(/: /, $line, 2);
+      $key = lc($key);
+      $key =~ s/\s+//g;
+      $svninfo{$key} = $value;
+   }
+} else {
+   $svninfo{repositoryroot} = "http://nowhere/";
+   $svninfo{url} = "http://nowhere/netsurf/trunk/";
+   $svninfo{revision} = "0";
+}
+
+my %svnstatus; # The SVN status output
+
+if ( $svn_present ) {
+   foreach my $line (split(/\n/, `cd $root; svn status `)) {
+      my $op = substr($line, 0, 1);
+      if ($op eq ' ' && substr($line, 1, 1) ne ' ') { $op = "p"; }
+      my $fn = substr($line, 7);
+      next unless (care_about_file($fn, $op));
+      $svnstatus{$fn} = $op;
+   }
+}
+
+my %userinfo; # The information about the current user
+
+{
+   my $pwdline = `getent passwd $<`;
+   chomp $pwdline;
+   my @pwdinfo = split(/:/, $pwdline);
+   $userinfo{USERNAME} = $pwdinfo[0];
+   my $gecos = $pwdinfo[4];
+   $gecos =~ s/,.+//g;
+   $gecos =~ s/"/'/g;
+   $userinfo{GECOS} = $gecos;
+}
+
+# Spew the testament out
+
+my $testament = "";
+
+$testament .= "#define USERNAME \"$userinfo{USERNAME}\"\n";
+$testament .= "#define GECOS \"$userinfo{GECOS}\"\n";
+
+my $url = $svninfo{url};
+# This only works on 1.3.x and above
+$url = substr($url, length($svninfo{repositoryroot}));
+if ( substr($url,0,1) ne '/' ) { $url = "/$url"; }
+$testament .= "#define WT_BRANCHPATH \"$url\"\n";
+if ($url =~ m@/trunk/@) {
+   $testament .= "#define WT_BRANCHISTRUNK 1\n";
+}
+if ($url =~ m@/tags/@) {
+   $testament .= "#define WT_BRANCHISTAG 1\n";
+}
+$testament .= "#define WT_REVID \"$svninfo{revision}\"\n";
+$testament .= "#define WT_MODIFIED " . scalar(keys %svnstatus) . "\n";
+$testament .= "#define WT_MODIFICATIONS {\\\n";
+my $doneone = 0;
+foreach my $filename (sort keys %svnstatus) {
+   if ($doneone) {
+      $testament .= ", \\\n";
+   }
+   $testament .= "  { \"$filename\", '$svnstatus{$filename}' }";
+   $doneone = 1;
+}
+$testament .= " \\\n}\n";
+
+use Digest::MD5 qw(md5_hex);
+
+my $oldcsum = "";
+if ( -e $targetfile ) {
+   open OLDVALUES, "<", $targetfile;
+   foreach my $line (readline(OLDVALUES)) {
+      if ($line =~ /MD5:([0-9a-f]+)/) {
+         $oldcsum = $1;
+      }
+   }
+   close OLDVALUES;
+}
+
+my $newcsum = md5_hex($testament);
+
+if ($oldcsum ne $newcsum) {
+   print "TESTMENT: $targetfile\n";
+   open NEWVALUES, ">", $targetfile or die "$!";
+   print NEWVALUES "/* ", $targetfile,"\n";
+   print NEWVALUES <<'EOS';
+ * 
+ * Revision testament.
+ *
+ * *WARNING* this file is automatically generated by svn-testament.pl 
+ *
+ * Copyright 2011 NetSurf Browser Project
+ */
+
+EOS
+
+   print NEWVALUES "#ifndef NETSURF_REVISION_TESTAMENT\n";
+   print NEWVALUES "#define NETSURF_REVISION_TESTAMENT \"$newcsum\"\n\n";
+   print NEWVALUES "/* Revision testament checksum:\n";
+   print NEWVALUES " * MD5:", $newcsum,"\n */\n\n";
+   print NEWVALUES "/* Revision testament: */\n";
+   print NEWVALUES $testament;
+   print NEWVALUES "\n#endif\n";
+   close NEWVALUES;
+     foreach my $unwanted (@ARGV) {
+        next unless(-e $unwanted);
+        print "TESTAMENT: Removing $unwanted\n";
+        system("rm", "-f", "--", $unwanted);
+     }
+} else {
+   print "TESTMENT: unchanged\n";
+}
+
+exit 0;
+
+sub care_about_file {
+   my ($fn, $op) = @_;
+   return 0 if ($fn =~ /\.d$/); # Don't care for extraneous DEP files
+   return 0 if ($fn =~ /\.a$/); # Don't care for extraneous archive files
+   return 0 if ($fn =~ /\.md5$/); # Don't care for md5sum files
+   return 0 if ($fn =~ /\.map$/); # Don't care for map files
+   return 1;
+}