$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtwayland.git /var/lib/mock/f38-build-side-42-init-devel-781854-27923/root/chroot_tmpdir/scmroot/qt6-qtwayland
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-781854-27923/root/chroot_tmpdir/scmroot/qt6-qtwayland'...
$ git fetch origin 8d307a936e895cc873d6e1689944480b8bb1af89:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtwayland
 * [new ref]         8d307a936e895cc873d6e1689944480b8bb1af89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d307a9 6.4.3