$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtcoap.git /var/lib/mock/f42-build-868386-176075/root/chroot_tmpdir/scmroot/qt6-qtcoap
Cloning into '/var/lib/mock/f42-build-868386-176075/root/chroot_tmpdir/scmroot/qt6-qtcoap'...
$ git fetch origin 705caeb9820e92e76c2e78c8a3b32337cb802d84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtcoap
 * [new ref]         705caeb9820e92e76c2e78c8a3b32337cb802d84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 705caeb Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild