$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtimageformats.git /var/lib/mock/f39-build-1835514-41919/root/chroot_tmpdir/scmroot/mingw-qt6-qtimageformats
Cloning into '/var/lib/mock/f39-build-1835514-41919/root/chroot_tmpdir/scmroot/mingw-qt6-qtimageformats'...
$ git fetch origin 1615f5fdc4ed17a3d46514afc6eddaa264852880:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtimageformats
 * [new ref]         1615f5fdc4ed17a3d46514afc6eddaa264852880 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1615f5f Update to 6.6.0