$ git clone -n https://src.fedoraproject.org/rpms/python-qtsass.git /var/lib/mock/f39-build-1633102-39793/root/chroot_tmpdir/scmroot/python-qtsass
Cloning into '/var/lib/mock/f39-build-1633102-39793/root/chroot_tmpdir/scmroot/python-qtsass'...
$ git fetch origin 951930265fc93c7ca512b9bf744f0806b667ea8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-qtsass
 * [new ref]         951930265fc93c7ca512b9bf744f0806b667ea8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9519302 Update to 0.4.0