$ git clone -n https://gitee.com/yan1hcdc/clang.git /mnt/mock/kojid//dist-an23.3-riscv64-gcc14-build-494221-74585/root/chroot_tmpdir/scmroot/clang
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv64-gcc14-build-494221-74585/root/chroot_tmpdir/scmroot/clang'...
$ git fetch origin rva23-20.1.0:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/clang
 * [new branch]      rva23-20.1.0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbda46b add BuildRequires python3-myst-parser