$ git clone -n https://src.fedoraproject.org/rpms/qt-jdenticon.git /var/lib/mock/f40-build-763317-122469/root/chroot_tmpdir/scmroot/qt-jdenticon
Cloning into '/var/lib/mock/f40-build-763317-122469/root/chroot_tmpdir/scmroot/qt-jdenticon'...
$ git fetch origin 457c7dbc89ce0b92f49e77e90d5bdfc8ee1c57bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt-jdenticon
 * [new ref]         457c7dbc89ce0b92f49e77e90d5bdfc8ee1c57bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 457c7db Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild