$ git clone -n https://gitee.com/yangcheng1203/clang.git /mnt/mock/kojid//dist-an23.3-riscv64-gcc14-build-497599-74642/root/chroot_tmpdir/scmroot/clang
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv64-gcc14-build-497599-74642/root/chroot_tmpdir/scmroot/clang'...
$ git fetch origin e840cd593411fc794d2aabb362080cad185befec:KOJI_FETCH_HEAD
From https://gitee.com/yangcheng1203/clang
 * [new ref]         e840cd593411fc794d2aabb362080cad185befec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  66% (6/9)
Updating files:  77% (7/9)
Updating files:  88% (8/9)
Updating files: 100% (9/9)
Updating files: 100% (9/9), done.
HEAD is now at e840cd5 update to 20.1.8