$ git clone -n https://src.fedoraproject.org/rpms/cmocka.git /var/lib/mock/eln-build-side-115283-61090329-6588868/root/chroot_tmpdir/scmroot/cmocka
Cloning into '/var/lib/mock/eln-build-side-115283-61090329-6588868/root/chroot_tmpdir/scmroot/cmocka'...
$ git fetch origin 41279ebd8890928ab5a19777f1925405da8714fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cmocka
 * [new ref]         41279ebd8890928ab5a19777f1925405da8714fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41279eb Update to version 1.1.8