$ git clone -n https://gitee.com/happy_orange/clang.git /var/lib/mock/dist-an23-build-86559-43215/root/chroot_tmpdir/scmroot/clang
Cloning into '/var/lib/mock/dist-an23-build-86559-43215/root/chroot_tmpdir/scmroot/clang'...
$ git reset --hard origin/a23
HEAD is now at b060f4b init from upstream