$ git clone -n https://src.fedoraproject.org/rpms/spglib.git /var/lib/mock/f39-build-1465645-33601/root/chroot_tmpdir/scmroot/spglib
Cloning into '/var/lib/mock/f39-build-1465645-33601/root/chroot_tmpdir/scmroot/spglib'...
$ git fetch origin c21b9bb7ff30f36b76d51c61198831cf1b361483:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spglib
 * [new ref]         c21b9bb7ff30f36b76d51c61198831cf1b361483 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c21b9bb Bump release