$ git clone -n https://src.fedoraproject.org/rpms/libclc.git /var/lib/mock/f41-build-1152473-21302/root/chroot_tmpdir/scmroot/libclc
Cloning into '/var/lib/mock/f41-build-1152473-21302/root/chroot_tmpdir/scmroot/libclc'...
$ git fetch origin e9c3b8b3aaa7a629ae85b31f4669d3b95b5662c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libclc
 * [new ref]         e9c3b8b3aaa7a629ae85b31f4669d3b95b5662c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9c3b8b 18.1.7 Release