$ git clone -n https://gitee.com/idolsama/clang.git /var/lib/mock/dist-an23-build-337519-69712/root/chroot_tmpdir/scmroot/clang
Cloning into '/var/lib/mock/dist-an23-build-337519-69712/root/chroot_tmpdir/scmroot/clang'...
$ git reset --hard 49070ca9258395ab73d09f2d161a2057d47a5663
HEAD is now at 49070ca Add riscv64 support