$ git clone -n https://src.fedoraproject.org/rpms/libkkc.git /var/lib/mock/f45-build-16441-486/root/chroot_tmpdir/scmroot/libkkc
Cloning into '/var/lib/mock/f45-build-16441-486/root/chroot_tmpdir/scmroot/libkkc'...
$ git fetch origin 44eb9d8905e5650479d78048af84bc41bcef4796:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkkc
 * [new ref]         44eb9d8905e5650479d78048af84bc41bcef4796 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44eb9d8 Workaround for girscanner with gcc16 -latomic_asneeded