$ git clone -n https://src.fedoraproject.org/rpms/kphotoalbum.git /var/lib/mock/f41-build-815472-149534/root/chroot_tmpdir/scmroot/kphotoalbum
Cloning into '/var/lib/mock/f41-build-815472-149534/root/chroot_tmpdir/scmroot/kphotoalbum'...
$ git fetch origin b97077566fc24c529d7dc55253bcd600157e1b80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kphotoalbum
 * [new ref]         b97077566fc24c529d7dc55253bcd600157e1b80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b970775 Rebuilt for exiv2 0.28.2