$ git clone -n https://github.com/fedora-riscv/qt6-qtwebengine.git /var/lib/mock/f39-build-1701478-41208/root/chroot_tmpdir/scmroot/qt6-qtwebengine
Cloning into '/var/lib/mock/f39-build-1701478-41208/root/chroot_tmpdir/scmroot/qt6-qtwebengine'...
$ git fetch origin 68c67fc307d02c8a59cf7b1726a2148041d7210d:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/qt6-qtwebengine
 * [new ref]         68c67fc307d02c8a59cf7b1726a2148041d7210d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68c67fc Rebuild for f39