$ git clone -n https://src.fedoraproject.org/rpms/kwin.git /var/lib/mock/f41-build-856099-167444/root/chroot_tmpdir/scmroot/kwin
Cloning into '/var/lib/mock/f41-build-856099-167444/root/chroot_tmpdir/scmroot/kwin'...
$ git fetch origin 50c50e69ba8c23de854ac297484f542688c175ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin
 * [new ref]         50c50e69ba8c23de854ac297484f542688c175ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50c50e6 Merge branch 'rawhide' into f41