$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-ctbllib.git /var/lib/mock/f38-build-side-42-init-devel-934051-28751/root/chroot_tmpdir/scmroot/gap-pkg-ctbllib
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-934051-28751/root/chroot_tmpdir/scmroot/gap-pkg-ctbllib'...
$ git fetch origin bf5f4d8d85e9a72cb76aa8c483522c58b3284dcc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-ctbllib
 * [new ref]         bf5f4d8d85e9a72cb76aa8c483522c58b3284dcc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf5f4d8 Version 1.3.5.