$ git clone -n https://src.fedoraproject.org/rpms/qbs.git /var/lib/mock/f40-build-796491-140694/root/chroot_tmpdir/scmroot/qbs
Cloning into '/var/lib/mock/f40-build-796491-140694/root/chroot_tmpdir/scmroot/qbs'...
$ git fetch origin 89fc5a466cc5bbc4ed5b7d3e4028c0fe87421ccc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qbs
 * [new ref]         89fc5a466cc5bbc4ed5b7d3e4028c0fe87421ccc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89fc5a4 Rebuild (qt6)