nmbug: allow empty prefix

[notmuch] / devel / nmbug / nmbug

diff --git a/devel/nmbug/nmbug b/devel/nmbug/nmbug
index b9c70e4b205d168ce72ac3273e032c45b6e77de7..90d98b63cc30faa82e6cae364cbbf4fe97c6f7ee 100755 (executable)
--- a/devel/nmbug/nmbug
+++ b/devel/nmbug/nmbug
@@ -13,7 +13,7 @@ my $NMBGIT = $ENV{NMBGIT} || $ENV{HOME}.'/.nmbug';
 
 $NMBGIT .= '/.git' if (-d $NMBGIT.'/.git');
 
-my $TAGPREFIX = $ENV{NMBPREFIX} || 'notmuch::';
+my $TAGPREFIX = defined($ENV{NMBPREFIX}) ? $ENV{NMBPREFIX} : 'notmuch::';
 
 # for encoding