$ git clone -n https://src.fedoraproject.org/rpms/localsearch.git /var/lib/mock/f45-build-17545-501/root/chroot_tmpdir/scmroot/localsearch
Cloning into '/var/lib/mock/f45-build-17545-501/root/chroot_tmpdir/scmroot/localsearch'...
$ git fetch origin 14751cfc70b0aee0f62fb05d5c89a556fbbe0a16:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/localsearch
 * [new ref]         14751cfc70b0aee0f62fb05d5c89a556fbbe0a16 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14751cf Rebuilt for libxml-2.15.4