$ git clone -n https://src.fedoraproject.org/rpms/md5deep.git /var/lib/mock/f45-build-18180-510/root/chroot_tmpdir/scmroot/md5deep
Cloning into '/var/lib/mock/f45-build-18180-510/root/chroot_tmpdir/scmroot/md5deep'...
$ git fetch origin 02b8637f44bee21298a4d24185db9451cb821d38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/md5deep
 * [new ref]         02b8637f44bee21298a4d24185db9451cb821d38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02b8637 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild