$ git clone -n https://gitee.com/yan1hcdc/valgrind.git /var/lib/mock/dist-an23-build-443024-73188/root/chroot_tmpdir/scmroot/valgrind
Cloning into '/var/lib/mock/dist-an23-build-443024-73188/root/chroot_tmpdir/scmroot/valgrind'...
$ git fetch origin 9096acc9f4c003cff6eb4ff96abd886cce239ed8:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/valgrind
 * [new ref]         9096acc9f4c003cff6eb4ff96abd886cce239ed8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9096acc add support for loongarch64 build