$ git clone -n https://src.fedoraproject.org/rpms/gcr.git /var/lib/mock/f40-build-2235742-53459/root/chroot_tmpdir/scmroot/gcr
Cloning into '/var/lib/mock/f40-build-2235742-53459/root/chroot_tmpdir/scmroot/gcr'...
$ git fetch origin da43d453b701cce3ac10b33bbf79381148977406:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gcr
 * [new ref]         da43d453b701cce3ac10b33bbf79381148977406 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da43d45 Migrate to SPDX license