submodule summary: do not shift a non-existent positional variable

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>
This commit is contained in:
Jeff King 2010-03-03 14:19:09 -08:00 committed by Junio C Hamano
parent 3deea89c5f
commit caa9c3cabe

View File

@ -556,7 +556,7 @@ cmd_summary() {
if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"}) if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
then then
head=$rev head=$rev
shift test $# = 0 || shift
elif test -z "$1" -o "$1" = "HEAD" elif test -z "$1" -o "$1" = "HEAD"
then then
return return