$ git clone -n https://src.fedoraproject.org/rpms/sisu-mojos.git /var/lib/mock/f40-build-2216186-52483/root/chroot_tmpdir/scmroot/sisu-mojos
Cloning into '/var/lib/mock/f40-build-2216186-52483/root/chroot_tmpdir/scmroot/sisu-mojos'...
$ git fetch origin 36802c7018d64bcc9d6212b2f119f442c84df4ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sisu-mojos
 * [new ref]         36802c7018d64bcc9d6212b2f119f442c84df4ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36802c7 Update javapackages test plan to f40