$ git clone -n https://gitee.com/yan1hcdc/valgrind.git /var/lib/mock/dist-an23-build-443098-73188/root/chroot_tmpdir/scmroot/valgrind
Cloning into '/var/lib/mock/dist-an23-build-443098-73188/root/chroot_tmpdir/scmroot/valgrind'...
$ git fetch origin dda8b20b15f51a1948824f7dedb5af3bbb2d99c9:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/valgrind
 * [new ref]         dda8b20b15f51a1948824f7dedb5af3bbb2d99c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dda8b20 exclude build loongarch