LONG_USAGE='Summarizes the changes since <commit> to the standard output,
and includes <url> in the message generated.'
SUBDIRECTORY_OK='Yes'
+OPTIONS_SPEC=
. git-sh-setup
+. git-parse-remote
-revision=$1
+base=$1
url=$2
head=${3-HEAD}
-[ "$revision" ] || usage
+[ "$base" ] || usage
[ "$url" ] || usage
-baserev=`git-rev-parse --verify "$revision"^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` ||
+die "fatal: No commits in common between $base and $head"
+
+url=$(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
+ echo "warn: Are you sure you pushed $head there?" >&2
+ echo >&2
+ echo >&2
+ branch=..BRANCH.NOT.VERIFIED..
+ status=1
+fi
+
+PAGER=
+export PAGER
echo "The following changes since commit $baserev:"
-git log --max-count=1 --pretty=short "$baserev" |
-git-shortlog | sed -e 's/^\(.\)/ \1/'
+git shortlog --max-count=1 $baserev | sed -e 's/^\(.\)/ \1/'
-echo "are found in the git repository at:"
+echo "are available in the git repository at:"
echo
-echo " $url"
+echo " $url $branch"
echo
-git log $baserev..$headrev | git-shortlog ;
-git diff --stat --summary $baserev..$headrev
+git shortlog ^$baserev $headrev
+git diff -M --stat --summary $merge_base $headrev
+exit $status