From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 4 May 2015 16:42:44 +0000 (+0100)
Subject: dgit-repos-policy-debian: WIP bugfixes to debugging
X-Git-Tag: debian/0.30~183
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=commitdiff_plain;h=8c58335913e7ec0465a939a9a277e7fbd0df68e0

dgit-repos-policy-debian: WIP bugfixes to debugging
---

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index f68ebd22..112d15bb 100644
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -93,8 +93,12 @@ sub enabledebug () {
 }
     
 sub enabledebuglevel ($) {
+    my ($newlevel) = @_; # may be undef (eg from env var)
     die if $debuglevel;
-    $debuglevel = $_[0] + 0;
+    $newlevel //= 0;
+    $newlevel += 0;
+    return unless $newlevel;
+    $debuglevel = $newlevel;
     enabledebug();
 }