$ git clone -n https://src.fedoraproject.org/rpms/librime.git /var/lib/mock/f40-build-2008284-45360/root/chroot_tmpdir/scmroot/librime
Cloning into '/var/lib/mock/f40-build-2008284-45360/root/chroot_tmpdir/scmroot/librime'...
$ git fetch origin a708ecd1b61253ef03fdfb24571935e9aff612cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/librime
 * [new ref]         a708ecd1b61253ef03fdfb24571935e9aff612cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a708ecd Update to 1.9.0