$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtimageformats.git /var/lib/mock/f40-build-2121748-50739/root/chroot_tmpdir/scmroot/qt6-qtimageformats
Cloning into '/var/lib/mock/f40-build-2121748-50739/root/chroot_tmpdir/scmroot/qt6-qtimageformats'...
$ git fetch origin c5bc96a41e94519bb3135b085c1a74e0088e0ae8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtimageformats
 * [new ref]         c5bc96a41e94519bb3135b085c1a74e0088e0ae8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5bc96a Rebuild for jasper 4.1