$ git clone -n https://src.fedoraproject.org/rpms/kf6-frameworkintegration.git /var/lib/mock/f40-build-2725542-73116/root/chroot_tmpdir/scmroot/kf6-frameworkintegration
Cloning into '/var/lib/mock/f40-build-2725542-73116/root/chroot_tmpdir/scmroot/kf6-frameworkintegration'...
$ git fetch origin 12b1bd776e61950c5eb3f789268074fcef850e4c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-frameworkintegration
 * [new ref]         12b1bd776e61950c5eb3f789268074fcef850e4c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12b1bd7 6.1.0