$ git clone -n https://src.fedoraproject.org/rpms/golang-github-gofrs-flock.git /var/lib/mock/f39-build-1503753-34985/root/chroot_tmpdir/scmroot/golang-github-gofrs-flock
Cloning into '/var/lib/mock/f39-build-1503753-34985/root/chroot_tmpdir/scmroot/golang-github-gofrs-flock'...
$ git fetch origin d7839692548e920300cefa29a43811fa5d0a4763:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-gofrs-flock
 * [new ref]         d7839692548e920300cefa29a43811fa5d0a4763 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d783969 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild