Work around #793471 (madness with $SIG{__WARN__} and Perl's system builtin): move $SIG{} setting into setup_sigwarn in Dgit.pm, and check getppid.

We also need to fix up the expectation for an error message in one of
the tests, where the message changes as a side effect.

1 files changed, 3 insertions, 3 deletions

diff --git a/infra/dgit-repos-server b/infra/dgit-repos-server
index 92f197b..9705a64 100755
--- a/infra/dgit-repos-server
+++ b/infra/dgit-repos-server
@@ -33,7 +33,9 @@
 # (With --cron AUTH-SPEC is not used and may be the empty string.)
 
 use strict;
-$SIG{__WARN__} = sub { die $_[0]; };
+
+use Debian::Dgit qw(:DEFAULT :policyflags);
+setup_sigwarn();
 
 # DGIT-REPOS-DIR contains:
 # git tree (or other object)      lock (in acquisition order, outer first)
@@ -189,8 +191,6 @@ use Fcntl qw(:flock);
 use File::Path qw(rmtree);
 use File::Temp qw(tempfile);
 
-use Debian::Dgit qw(:DEFAULT :policyflags);
-
 initdebug('');
 
 our $func;