$ git clone -n https://src.fedoraproject.org/rpms/python-oslo-db.git /var/lib/mock/f41-build-side-1-2859667-33998/root/chroot_tmpdir/scmroot/python-oslo-db
Cloning into '/var/lib/mock/f41-build-side-1-2859667-33998/root/chroot_tmpdir/scmroot/python-oslo-db'...
$ git fetch origin cdc0177fcfbf7d7df4fd64259534a22604a20b79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-oslo-db
 * [new ref]         cdc0177fcfbf7d7df4fd64259534a22604a20b79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cdc0177 Retired: https://pagure.io/releng/issue/12278