get_source_format: Call once somewhere, rather than twice

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

1 files changed, 2 insertions, 2 deletions

diff --git a/dgit b/dgit
index 1418d70..3f0b0aa 100755
--- a/dgit
+++ b/dgit
@@ -5162,9 +5162,9 @@ sub cmd_fetch {
 sub cmd_pull {
     parseopts();
     fetchpullargs();
-    determine_whether_split_brain get_source_format();
+    my $format = get_source_format();
+    determine_whether_split_brain $format;
     if (do_split_brain()) {
-	my $format = get_source_format();
 	madformat($format) and fail f_ <<END, $quilt_mode
 dgit pull not yet supported in split view mode (including with view-splitting quilt modes)
 END