$ git clone -n https://src.fedoraproject.org/rpms/php-oojs-oojs-ui.git /var/lib/mock/f40-build-2244079-53701/root/chroot_tmpdir/scmroot/php-oojs-oojs-ui
Cloning into '/var/lib/mock/f40-build-2244079-53701/root/chroot_tmpdir/scmroot/php-oojs-oojs-ui'...
$ git fetch origin a563e928ae52c3c2665b1ce400c327101544c156:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-oojs-oojs-ui
 * [new ref]         a563e928ae52c3c2665b1ce400c327101544c156 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a563e92 Update to 0.46.3