$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cockroachdb-pebble.git /var/lib/mock/f39-build-2433350-60579/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-pebble
Cloning into '/var/lib/mock/f39-build-2433350-60579/root/chroot_tmpdir/scmroot/golang-github-cockroachdb-pebble'...
$ git fetch origin ff648ebc2af4f031548f5ac83db6f9d5caddef15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cockroachdb-pebble
 * [new ref]         ff648ebc2af4f031548f5ac83db6f9d5caddef15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff648eb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild