$ git clone -n https://src.fedoraproject.org/rpms/kyotocabinet.git /var/lib/mock/f40-build-2726340-73122/root/chroot_tmpdir/scmroot/kyotocabinet
Cloning into '/var/lib/mock/f40-build-2726340-73122/root/chroot_tmpdir/scmroot/kyotocabinet'...
$ git fetch origin c0e9c57c4a9011bdfc4edb47d8e0b8744adc539b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kyotocabinet
 * [new ref]         c0e9c57c4a9011bdfc4edb47d8e0b8744adc539b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0e9c57 Add CI tests