$ git clone -n https://gitee.com/fundawang/clang.git /var/lib/mock/dist-an23-build-213972-61970/root/chroot_tmpdir/scmroot/clang
Cloning into '/var/lib/mock/dist-an23-build-213972-61970/root/chroot_tmpdir/scmroot/clang'...
$ git reset --hard 5e731ecc388f4f546b2927662e77ec11d2822642
HEAD is now at 5e731ec Build with clang