dgit: clean mode: Correctly reject bad modes from config

Add the missing ^ and $ (which do not appear in $cleanmode_re).

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

1 files changed, 1 insertions, 1 deletions

diff --git a/dgit b/dgit
index 9207874..40662b1 100755
--- a/dgit
+++ b/dgit
@@ -7593,7 +7593,7 @@ sub parseopts_late_defaults () {
 	$cleanmode //= 'dpkg-source';
 
 	badcfg f_ "unknown clean-mode \`%s'", $cleanmode unless
-	    $cleanmode =~ m/$cleanmode_re/;
+	    $cleanmode =~ m/^$cleanmode_re$/;
     }
 
     $buildproductsdir //= access_cfg('build-products-dir', 'RETURN-UNDEF');