#!/usr/bin/perl -w
# dgit repos policy hook script for Debian
+#
+# Copyright (C) 2015-2016 Ian Jackson
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
+use Debian::Dgit::Infra; # must precede Debian::Dgit; - can change @INC!
use Debian::Dgit qw(:DEFAULT :policyflags);
setup_sigwarn();
sub vsn_in_our_history ($) {
my ($vsn) = @_;
- my $tagref = "refs/tags/".debiantag $vsn, $distro;
- printdebug " checking history vsn=$vsn tagref=$tagref\n";
- $?=0; my $r = system qw(git show-ref --verify --quiet), $tagref;
- return 1 if !$r;
- return 0 if $r==256;
- die "$pkg tagref $tagref $? $!";
+ # Eventually, when we withdraw support for old-format (DEP-14
+ # namespace) tags, we will need to change this to only look
+ # for debiantag_new. See the commit
+ # "Tag change: Update dgit-repos-policy-debian"
+ # (reverting which is a good start for that change).
+
+ my @tagrefs = map { "refs/tags/".$_ } debiantags $vsn, $distro;
+ printdebug " checking history vsn=$vsn tagrefs=@tagrefs\n";
+ open F, "-|", qw(git for-each-ref), @tagrefs;
+ $_ = <F>;
+ close F;
+ return 1 if defined && m/\S/;
+ die "$pkg tagrefs @tagrefs $? $!" if $?;
+ return 0;
}
sub specific_suite_has_suitable_vsn ($$) {
my $checkpid = open CHKOUT, "-|" // die $!;
if (!$checkpid) {
open STDIN, "<&", $chkinput or die $!;
+ delete $ENV{GIT_ALTERNATE_OBJECT_DIRECTORIES};
+ # ^ recent versions of git set this in the environment of
+ # receive hooks. This can cause us to see things which
+ # the user is trying to abolish.
exec @objscatcmd or die $!;
}