git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/git-request-pull.sh b/git-request-pull.sh
index 90d969c625f83860538f4cf17a2a2abde81fc945..068f5e0fc7308db601141bc3e70475ec2145ef67 100755 (executable)
--- a/git-request-pull.sh
+++ b/git-request-pull.sh
@@ -25,13 +25,13 @@ headrev=`git rev-parse --verify "$head"^0` || exit
 merge_base=`git merge-base $baserev $headrev` ||
 die "fatal: No commits in common between $base and $head"
 
-url="`get_remote_url "$url"`"
-branch=`git peek-remote "$url" \
+url=$(get_remote_url "$url")
+branch=$(git peek-remote "$url" \
        | sed -n -e "/^$headrev refs.heads./{
                s/^.*   refs.heads.//
                p
                q
-       }"`
+       }")
 if [ -z "$branch" ]; then
        echo "warn: No branch of $url is at:" >&2
        git log --max-count=1 --pretty='format:warn:   %h: %s' $headrev >&2