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-rwxr-xr-xgit-request-pull.sh46
1 files changed, 37 insertions, 9 deletions
diff --git a/git-request-pull.sh b/git-request-pull.sh
index c6a5b7a6b3..7b5c777f0b 100755
--- a/git-request-pull.sh
+++ b/git-request-pull.sh
@@ -57,12 +57,40 @@ headrev=$(git rev-parse --verify "$head"^0) || exit
merge_base=$(git merge-base $baserev $headrev) ||
die "fatal: No commits in common between $base and $head"
-find_matching_branch="/^$headrev "'refs\/heads\//{
- s/^.* refs\/heads\///
- p
- q
-}'
-branch=$(git ls-remote "$url" | sed -n -e "$find_matching_branch")
+# $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/||) {
+ return $ref;
+ } elsif ($ref =~ s|refs/tags/||) {
+ return "tag $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")
git show -s --format='The following changes since commit %H:
@@ -71,7 +99,7 @@ git show -s --format='The following changes since commit %H:
are available in the git repository at:
' $baserev &&
-echo " $url${branch+ $branch}" &&
+echo " $url${ref+ $ref}" &&
git show -s --format='
for you to fetch changes up to %H:
@@ -81,7 +109,7 @@ for you to fetch changes up to %H:
if test -n "$branch_name"
then
- echo "(from the branch description for $branch local branch)"
+ echo "(from the branch description for $branch_name local branch)"
echo
git config "branch.$branch_name.description"
fi &&
@@ -101,7 +129,7 @@ fi &&
git shortlog ^$baserev $headrev &&
git diff -M --stat --summary $patch $merge_base..$headrev || status=1
-if test -z "$branch"
+if test -z "$ref"
then
echo "warn: No branch of $url is at:" >&2
git show -s --format='warn: %h: %s' $headrev >&2