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submodule summary: do not shift a non-existent positional variable
author
Jeff King
<peff@peff.net>
Wed, 3 Mar 2010 22:19:09 +0000
(14:19 -0800)
committer
Junio C Hamano
<gitster@pobox.com>
Wed, 3 Mar 2010 22:33:21 +0000
(14:33 -0800)
When "git submodule summary" is run without any argument, we default to
compare the state of index with the HEAD, but tried to shift out $1 that
does not exist (and worse yet, we didn't use it).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
git-submodule.sh
patch
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diff --git
a/git-submodule.sh
b/git-submodule.sh
index 5869c00f2d5db4d8316002267a8605096357d5ed..383dc451191fef4e078e9f46aaf3fdb3190ebc9a 100755
(executable)
--- a/
git-submodule.sh
+++ b/
git-submodule.sh
@@
-556,7
+556,7
@@
cmd_summary() {
if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
then
head=$rev
- shift
+
test $# = 0 ||
shift
elif test -z "$1" -o "$1" = "HEAD"
then
return