$ git clone -n https://src.fedoraproject.org/rpms/cgit.git /var/lib/mock/f41-build-2441692-25470/root/chroot_tmpdir/scmroot/cgit
Cloning into '/var/lib/mock/f41-build-2441692-25470/root/chroot_tmpdir/scmroot/cgit'...
$ git fetch origin 6d77609bea17324ce6381e51080888200a5c7109:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cgit
 * [new ref]         6d77609bea17324ce6381e51080888200a5c7109 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d77609 Fixed highlight build dependencies in EPEL