$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtwebengine.git /var/lib/mock/f42-build-868408-176099/root/chroot_tmpdir/scmroot/qt6-qtwebengine
Cloning into '/var/lib/mock/f42-build-868408-176099/root/chroot_tmpdir/scmroot/qt6-qtwebengine'...
$ git fetch origin 241b88a584247ca5a0a312c22bfe9432ce4e00cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtwebengine
 * [new ref]         241b88a584247ca5a0a312c22bfe9432ce4e00cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 241b88a Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild