changelog: Finalise 2.2

[dgit.git] / dgit

diff --git a/dgit b/dgit
index a568c579a00041813506a2425617304431126481..53f47136efd8c4424cfb236f006d996e31dbc491 100755 (executable)
--- a/dgit
+++ b/dgit
@@ -561,7 +561,6 @@ our %defcfg = ('dgit.default.distro' => 'debian',
               'dgit-distro.debian.git-check' => 'url',
               'dgit-distro.debian.git-check-suffix' => '/info/refs',
               'dgit-distro.debian.new-private-pushers' => 't',
-              'dgit-distro.debian.dgit-tag-format' => 'new',
               'dgit-distro.debian/push.git-url' => '',
               'dgit-distro.debian/push.git-host' => 'push.dgit.debian.org',
               'dgit-distro.debian/push.git-user-force' => 'dgit',
@@ -5223,6 +5222,30 @@ sub parseopts () {
     }
 }
 
+sub check_env_sanity () {
+    my $blocked = new POSIX::SigSet;
+    sigprocmask SIG_UNBLOCK, $blocked, $blocked or die $!;
+
+    eval {
+       foreach my $name (qw(PIPE CHLD)) {
+           my $signame = "SIG$name";
+           my $signum = eval "POSIX::$signame" // die;
+           ($SIG{$name} // 'DEFAULT') eq 'DEFAULT' or
+               die "$signame is set to something other than SIG_DFL\n";
+           $blocked->ismember($signum) and
+               die "$signame is blocked\n";
+       }
+    };
+    return unless $@;
+    chomp $@;
+    fail <<END;
+On entry to dgit, $@
+This is a bug produced by something in in your execution environment.
+Giving up.
+END
+}
+
+
 sub finalise_opts_opts () {
     foreach my $k (keys %opts_opt_map) {
        my $om = $opts_opt_map{$k};
@@ -5258,6 +5281,7 @@ if ($ENV{$fakeeditorenv}) {
 }
 
 parseopts();
+check_env_sanity();
 git_slurp_config();
 
 print STDERR "DRY RUN ONLY\n" if $dryrun_level > 1;