$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/gcc-toolset-9-valgrind /var/lib/mock/dist-el8-build-6205-86/root/chroot_tmpdir/scmroot/gcc-toolset-9-valgrind
Cloning into '/var/lib/mock/dist-el8-build-6205-86/root/chroot_tmpdir/scmroot/gcc-toolset-9-valgrind'...
$ git reset --hard origin/a8
HEAD is now at 5b1961b import gcc-toolset-9-valgrind-3.15.0-9.el8.src.rpm