request-pull: modernize style

Make it a bit more conforming to Documentation/Codingstyle

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-request-pull.sh b/git-request-pull.sh
index fc080cc5e45d02e618e7224c052de1be676f4360..afb75e80b6b89d1c366ca3ba3e561a83dac66fb5 100755 (executable)
--- a/git-request-pull.sh
+++ b/git-request-pull.sh
@@ -35,27 +35,24 @@ do
        shift
 done
 
-base=$1
-url=$2
-head=${3-HEAD}
+base=$1 url=$2 head=${3-HEAD}
 
-[ "$base" ] || usage
-[ "$url" ] || usage
+test -n "$base" && test -n "$url" || usage
+baserev=$(git rev-parse --verify "$base"^0) &&
+headrev=$(git rev-parse --verify "$head"^0) || exit
 
-baserev=`git rev-parse --verify "$base"^0` &&
-headrev=`git rev-parse --verify "$head"^0` || exit
-
-merge_base=`git merge-base $baserev $headrev` ||
+merge_base=$(git merge-base $baserev $headrev) ||
 die "fatal: No commits in common between $base and $head"
 
-branch=$(git ls-remote "$url" \
-       | sed -n -e "/^$headrev refs.heads./{
-               s/^.*   refs.heads.//
-               p
-               q
-       }")
+find_matching_branch="/^$headrev       "'refs\/heads\//{
+       s/^.*   refs\/heads\///
+       p
+       q
+}'
+branch=$(git ls-remote "$url" | sed -n -e "$find_matching_branch")
 url=$(git ls-remote --get-url "$url")
-if [ -z "$branch" ]; then
+if test -z "$branch"
+then
        echo "warn: No branch of $url is at:" >&2
        git log --max-count=1 --pretty='tformat:warn:   %h: %s' $headrev >&2
        echo "warn: Are you sure you pushed $head there?" >&2