$ git clone -n https://src.fedoraproject.org/rpms/qt-jdenticon.git /var/lib/mock/f40-build-790588-136614/root/chroot_tmpdir/scmroot/qt-jdenticon
Cloning into '/var/lib/mock/f40-build-790588-136614/root/chroot_tmpdir/scmroot/qt-jdenticon'...
$ git fetch origin 3677b19b921614ad1cb8612a53159bd708adbe7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt-jdenticon
 * [new ref]         3677b19b921614ad1cb8612a53159bd708adbe7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3677b19 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild