$ git clone -n https://src.fedoraproject.org/rpms/kf6-qqc2-desktop-style.git /var/lib/mock/f40-build-2416786-60573/root/chroot_tmpdir/scmroot/kf6-qqc2-desktop-style
Cloning into '/var/lib/mock/f40-build-2416786-60573/root/chroot_tmpdir/scmroot/kf6-qqc2-desktop-style'...
$ git fetch origin 12feb515326db5bb4d8fc19ddbf58c07bac77903:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-qqc2-desktop-style
 * [new ref]         12feb515326db5bb4d8fc19ddbf58c07bac77903 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12feb51 Rebuild (qt6)