From d2160399e534a2ea9fba2b5af0e7ece4a5a88d54 Mon Sep 17 00:00:00 2001
From: Norbert Preining <preining@logic.at>
Date: Mon, 19 Aug 2013 05:20:11 +0000
Subject: tl-merge-tlpdb: cleanup (md5sum file and .xz) after updating the
 tlpdb

git-svn-id: svn://tug.org/texlive/trunk@31470 c570f23f-e606-0410-a88d-b1316a301751
---
 Master/tlpkg/libexec/tl-merge-tlpdb | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/Master/tlpkg/libexec/tl-merge-tlpdb b/Master/tlpkg/libexec/tl-merge-tlpdb
index 75d7c2aef8d..0a52f10425b 100755
--- a/Master/tlpkg/libexec/tl-merge-tlpdb
+++ b/Master/tlpkg/libexec/tl-merge-tlpdb
@@ -32,14 +32,17 @@ use strict;
 use TeXLive::TLPDB;
 use TeXLive::TLPOBJ;
 use TeXLive::TLUtils qw(win32);
+use Digest::MD5;
 
 use Getopt::Long qw(:config no_autoabbrev);
 use Pod::Usage;
 
 my $opt_save = 0;
 my $opt_help = 0;
+my $opt_nocleanup = 0;
 GetOptions(
   "save"    => \$opt_save,
+  "nocleanup" => \$opt_nocleanup,
   "help|h|?"  => \$opt_help) or pod2usage(1);
 
 if ($opt_help) {
@@ -84,6 +87,20 @@ for my $p ($sub_tlpdb->list_packages()) {
 if ($opt_save) {
   printf STDERR "overwriting main tlpdb ...\n";
   $main_tlpdb->save();
+  if (!$opt_nocleanup) {
+    # update the md5sum
+    my $ctx = Digest::MD5->new;
+    my $fh;
+    open $fh, "<$tlnetroot/tlpkg/texlive.tlpdb" or die("Cannot open tlpdb: $!");
+    binmode $fh;
+    $ctx->addfile($fh);
+    open MDFILE, ">$tlnetroot/tlpkg/texlive.tlpdb.md5" or die ("Cannot open md5sum: $!");
+    print MDFILE $ctx->hexdigest . "  texlive.tlpdb\n";
+    close MDFILE;
+    close $fh;
+    # we also have to remove the .xz file
+    unlink "$tlnetroot/tlpkg/texlive.tlpdb.xz";
+  }
 } else {
   printf STDERR "writing generated tlpdb to stdout ...\n";
   $main_tlpdb->writeout();
@@ -145,6 +162,16 @@ it can be captured and compared with the existing one. If one does not
 want to take this extra safety step, providing this options overwrites
 the tlpdb immediately.
 
+=item B<-nocleanup>
+
+In case of B<-save> being present, by default, the script updates 
+the C<texlive.tlpdb.md5> file with the correct value, and also
+removes the file C<texlive.tlpdb.xz> to facilitate easy integration
+into a web service.
+
+Giving the option B<-nocleanup> prevents the script from executing
+these steps.
+
 =item B<-help>, B<--help>, B<-h>, B<-?>
 
 Display this help and exit.
-- 
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