$ git clone -n https://src.fedoraproject.org/rpms/leveldb.git /var/lib/mock/f45-build-15699-478/root/chroot_tmpdir/scmroot/leveldb
Cloning into '/var/lib/mock/f45-build-15699-478/root/chroot_tmpdir/scmroot/leveldb'...
$ git fetch origin 85537f6cb6eb2f706479c246f0ddfd09a14bcc61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/leveldb
 * [new ref]         85537f6cb6eb2f706479c246f0ddfd09a14bcc61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85537f6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild