$ git clone -n https://src.fedoraproject.org/rpms/keysmith.git /var/lib/mock/f40-build-2067346-49291/root/chroot_tmpdir/scmroot/keysmith
Cloning into '/var/lib/mock/f40-build-2067346-49291/root/chroot_tmpdir/scmroot/keysmith'...
$ git fetch origin bb604a74f80793adb618b1b95fdce9082d1de20d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/keysmith
 * [new ref]         bb604a74f80793adb618b1b95fdce9082d1de20d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb604a7 23.08.2