$ git clone -n https://gitee.com/fundawang/mesa.git /var/lib/mock/dist-an23-build-248695-63296/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-an23-build-248695-63296/root/chroot_tmpdir/scmroot/mesa'...
$ git reset --hard e7cc71280215b8d2c3f7e873d88cdcbf8301f0a5
HEAD is now at e7cc712 Rebuild for new llvm