$ git clone -n https://src.fedoraproject.org/rpms/bolt.git /var/lib/mock/f40-build-795042-139926/root/chroot_tmpdir/scmroot/bolt
Cloning into '/var/lib/mock/f40-build-795042-139926/root/chroot_tmpdir/scmroot/bolt'...
$ git fetch origin c4bd78ba4f59d95d4e0a7a7dcc8e72773292ed91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bolt
 * [new ref]         c4bd78ba4f59d95d4e0a7a7dcc8e72773292ed91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4bd78b Rebuild for SPDX update