$ git clone -n https://gitee.com/yan1hcdc/valgrind.git /var/lib/mock/dist-an23-build-442594-73188/root/chroot_tmpdir/scmroot/valgrind
Cloning into '/var/lib/mock/dist-an23-build-442594-73188/root/chroot_tmpdir/scmroot/valgrind'...
$ git fetch origin 526cbe665533728d654373be97b47d7e8bfb2a71:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/valgrind
 * [new ref]         526cbe665533728d654373be97b47d7e8bfb2a71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 526cbe6 add support for loongarch64 build