dgit: Put (?: ) around $cleanmode_re and use qr{}.

No functional change.

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

diff --git a/dgit b/dgit
index efd29620bc5a9652f40394059912af83d74a6863..de14c1ef0478eade067b3c5c4797629dbcf63d0a 100755 (executable)
--- a/dgit
+++ b/dgit
@@ -101,7 +101,7 @@ our %forceopts = map { $_=>0 }
 our %format_ok = map { $_=>1 } ("1.0","3.0 (native)","3.0 (quilt)");
 
 our $suite_re = '[-+.0-9a-z]+';
-our $cleanmode_re = 'dpkg-source(?:-d)?|git|git-ff|check|none';
+our $cleanmode_re = qr{(?:dpkg-source(?:-d)?|git|git-ff|check|none)};
 
 our $git_authline_re = '^([^<>]+) \<(\S+)\> (\d+ [-+]\d+)$';
 our $splitbraincache = 'dgit-intern/quilt-cache';