git-debrebase: test suite: introduce t-dch-commit

[dgit.git] / infra / dgit-repos-policy-debian

diff --git a/infra/dgit-repos-policy-debian b/infra/dgit-repos-policy-debian
index d687a3e065501d3ffea00b238333ceb291e35133..990abd2b9b82f90f958bf44f91cca99b8c288772 100755 (executable)
--- a/infra/dgit-repos-policy-debian
+++ b/infra/dgit-repos-policy-debian
@@ -1,8 +1,24 @@
 #!/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();
 
@@ -109,12 +125,20 @@ sub apiquery ($) {
 sub vsn_in_our_history ($) {
     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 ($$) {
@@ -238,6 +262,21 @@ sub check_package () {
     if (good_suite_has_suitable_vsn(\&vsn_in_our_history)) {
        chmod $publicmode, "." or die $!;
        $pkg_secret = 0;
+       eval {
+           my $mirror_hook = "$distrodir/mirror-hook";
+           if (stat_exists $mirror_hook) {
+               my @mirror_cmd =
+                   ($mirror_hook, $distrodir, "updated-hook", $pkg);
+               debugcmd " (mirror)",@mirror_cmd;
+               system @mirror_cmd and failedcmd @mirror_cmd;
+           }
+       };
+       if (length $@) {
+           chomp $@;
+           print STDERR "policy hook: warning:".
+               " failed to mirror publication of \`$pkg':".
+               " $@\n";
+       }
        return 0;
     }
 
@@ -331,6 +370,10 @@ END
     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 $!;
     }
 
@@ -352,9 +395,6 @@ END
     my $mustreject=0;
 
     while (my $taintid = shift @taintids) {
-       # git cat-file prints a spurious newline after it gets EOF
-       # This is not documented.  I guess it might go away.  So we
-       # just read what we expect and then let it get SIGPIPE.
        $!=0; $_ = <CHKOUT>;
        die "($taintid @objscatcmd) $!" unless defined $_;
        printdebug "|< ", $_ if $debuglevel>=2;
@@ -367,6 +407,10 @@ END
        (read CHKOUT, $drop, $nbytes) == $nbytes
            or die "($taintid @objscatcmd) $!";
 
+       $!=0; $_ = <CHKOUT>;
+       die "($taintid @objscatcmd) $!" unless defined $_;
+       die "($taintid @objscatcmd) $_ ?" if m/\S/;
+
        $taintinfoq ||= $poldbh->prepare(<<END);
             SELECT package, time, comment FROM taints WHERE taint_id =  ?
 END