1 files changed, 56 insertions, 0 deletions
diff --git a/Master/tlpkg/bin/tlpkginfo b/Master/tlpkg/bin/tlpkginfo
index 387c226162d..3b8819248c6 100755
--- a/Master/tlpkg/bin/tlpkginfo
+++ b/Master/tlpkg/bin/tlpkginfo
@@ -3,11 +3,66 @@
 # Public domain.  Originally written 2005, Karl Berry.
 # 
 # Return information given a TL package name (i.e., a tlpsrc file name).
+# With -rev (--revision) argument given, returns only the revision number
+# of the package (see below for details).
 # We require local copies of CTAN and the TeX Catalogue.
 
+BEGIN {
+  $^W = 1;
+  ($mydir = $0) =~ s,/[^/]*$,,;
+  unshift (@INC, "$mydir/..");
+}
+
 exit (&main ());
 
 sub main {
+  if ($#ARGV >= 0 && ($ARGV[0] =~ m/^--?rev(ision)?$/)) {
+    &tlpkgrevision();
+  } else {
+    &ctaninfo();
+  }
+}
+
+
+
+sub tlpkgrevision {
+  # output and exit codes:
+  # repository not found or no modules available there
+  #	output: -1	exit code: 1
+  #	stderr warning
+  # package not found:
+  #	output: 0	exit code: 1
+  #	stderr warning
+  # both found
+  #	output: rev	exit code: 0
+  #
+  #   tlpkginfo -revision <pkg> [ <tltree> ]
+  require TeXLive::TLPOBJ;
+  require TeXLive::TLPDB;
+  die "need at least pkg name as argument!" if ($#ARGV < 1);
+  if ($#ARGV == 2) {
+    $root = $ARGV[2];
+  } else {
+    $root = "$mydir/../..";
+  }
+  my $tlpdb = TeXLive::TLPDB->new ("root" => $root);
+  if (!defined($tlpdb)) {
+    printf STDERR "Cannot find tlpdb in $root\n";
+    print "-1";
+    exit(1);
+  }
+  my $pkg = $tlpdb->get_package($ARGV[1]);
+  if (!defined($pkg)) {
+    printf STDERR "Cannot find $ARGV[1] package\n";
+    print "0";
+    exit(1);
+  }
+  print $pkg->revision;
+  exit(0);
+}
+
+
+sub ctaninfo {
   $CTAN = $ENV{"CTAN"} || "/home/ftp/tex-archive";
   $TMPDIR = $ENV{"TMPDIR"} || "/tmp";
   $CATALOGUE = $ENV{"TEX_CATALOGUE"} || "/home/httpd/html/catalogue/entries";
@@ -26,6 +81,7 @@ sub main {
 
   # special packages from latex-tds project; used by prepare()
   #$amslatex_tds_pkgs = "xamscls|xamsmath|xamsrefs";   # from amslatex.tds
+  $amslatex_tds_pkgs = '';  # silence $^W as it is used further down there
   #$amsfonts_tds_pkgs = "amsfonts";
   # (amstex and amsfonts handled from the original.)
   $latex_tds_pkgs  = "latex-tds";