$ git clone -n https://github.com/fedora-riscv/qt6-qtwebengine /var/lib/mock/f40-build-2619852-64627/root/chroot_tmpdir/scmroot/qt6-qtwebengine
Cloning into '/var/lib/mock/f40-build-2619852-64627/root/chroot_tmpdir/scmroot/qt6-qtwebengine'...
$ git fetch origin fd3f2fd1dfaf97017ab8e49f0214f4afe7e72b15:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/qt6-qtwebengine
 * [new ref]         fd3f2fd1dfaf97017ab8e49f0214f4afe7e72b15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd3f2fd Merge remote-tracking branch 'fedora/rawhide' into f40-rv64