Dgit: provide $git_null_obj

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index 3657aa130acee7d88cfe8f0c17da2694acb8cc74..7e5bcff112cac49997f1a4ffb6251ed3b29c034a 100644 (file)
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -55,6 +55,7 @@ BEGIN {
                       $package_re $component_re $deliberately_re
                      $distro_re $versiontag_re $series_filename_re
                      $extra_orig_namepart_re
+                     $git_null_obj
                       $branchprefix
                       initdebug enabledebug enabledebuglevel
                       printdebug debugcmd
@@ -83,6 +84,7 @@ our $versiontag_re = qr{[-+.\%_0-9a-zA-Z/]+};
 our $branchprefix = 'dgit';
 our $series_filename_re = qr{(?:^|\.)series(?!\n)$}s;
 our $extra_orig_namepart_re = qr{[-0-9a-z]+};
+our $git_null_obj = '0' x 40;
 
 # policy hook exit status bits
 # see dgit-repos-server head comment for documentation