$ git clone -n https://src.fedoraproject.org/rpms/sassc.git /var/lib/mock/f40-build-752676-116818/root/chroot_tmpdir/scmroot/sassc
Cloning into '/var/lib/mock/f40-build-752676-116818/root/chroot_tmpdir/scmroot/sassc'...
$ git fetch origin ea726da8184f27ac4d85f220a80e5690e15caf7c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sassc
 * [new ref]         ea726da8184f27ac4d85f220a80e5690e15caf7c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea726da Disable tests