shift
done
-base=$1
-url=$2
-head=${3-HEAD}
+base=$1 url=$2 head=${3-HEAD} status=0 branch_name=
-[ "$base" ] || usage
-[ "$url" ] || usage
+headref=$(git symbolic-ref -q "$head")
+if git show-ref -q --verify "$headref"
+then
+ branch_name=${headref#refs/heads/}
+ if test "z$branch_name" = "z$headref" ||
+ ! git config "branch.$branch_name.description" >/dev/null
+ then
+ branch_name=
+ fi
+fi
+
+tag_name=$(git describe --exact "$head^0" 2>/dev/null)
-baserev=`git rev-parse --verify "$base"^0` &&
-headrev=`git rev-parse --verify "$head"^0` || exit
+test -n "$base" && test -n "$url" || usage
+baserev=$(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
- }")
+# $head is the token given from the command line. If a ref with that
+# name exists at the remote and their values match, we should use it.
+# Otherwise find a ref that matches $headrev.
+find_matching_ref='
+ sub abbr {
+ my $ref = shift;
+ if ($ref =~ s|refs/heads/|| || $ref =~ s|refs/tags/||) {
+ return $ref;
+ } else {
+ return $ref;
+ }
+ }
+
+ my ($exact, $found);
+ while (<STDIN>) {
+ my ($sha1, $ref, $deref) = /^(\S+)\s+(\S+?)(\^\{\})?$/;
+ next unless ($sha1 eq $ARGV[1]);
+ $found = abbr($ref);
+ if ($ref =~ m|/\Q$ARGV[0]\E$|) {
+ $exact = $found;
+ last;
+ }
+ }
+ if ($exact) {
+ print "$exact\n";
+ } elsif ($found) {
+ print "$found\n";
+ }
+'
+
+ref=$(git ls-remote "$url" | perl -e "$find_matching_ref" "$head" "$headrev")
+
url=$(git ls-remote --get-url "$url")
-if [ -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
- echo >&2
- echo >&2
- branch=..BRANCH.NOT.VERIFIED..
- status=1
-fi
git show -s --format='The following changes since commit %H:
%s (%ci)
-are available in the git repository at:' $baserev &&
-echo " $url $branch" &&
-echo &&
+are available in the git repository at:
+' $baserev &&
+echo " $url${ref+ $ref}" &&
+git show -s --format='
+for you to fetch changes up to %H:
+
+ %s (%ci)
+
+----------------------------------------------------------------' $headrev &&
+
+if test -n "$branch_name"
+then
+ echo "(from the branch description for $branch_name local branch)"
+ echo
+ git config "branch.$branch_name.description"
+fi &&
+
+if test -n "$tag_name"
+then
+ git cat-file tag "$tag_name" |
+ sed -n -e '1,/^$/d' -e '/^-----BEGIN PGP /q' -e p
+ echo
+fi &&
+
+if test -n "$branch_name" || test -n "$tag_name"
+then
+ echo "----------------------------------------------------------------"
+fi &&
git shortlog ^$baserev $headrev &&
-git diff -M --stat --summary $patch $merge_base..$headrev || exit
+git diff -M --stat --summary $patch $merge_base..$headrev || status=1
+
+if test -z "$ref"
+then
+ echo "warn: No branch of $url is at:" >&2
+ git show -s --format='warn: %h: %s' $headrev >&2
+ echo "warn: Are you sure you pushed '$head' there?" >&2
+ status=1
+fi
exit $status