$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/mozjs60 /var/lib/mock/dist-an8-build-6754-203/root/chroot_tmpdir/scmroot/mozjs60
Cloning into '/var/lib/mock/dist-an8-build-6754-203/root/chroot_tmpdir/scmroot/mozjs60'...
$ git reset --hard origin/a8
HEAD is now at 2822935 build: replace python2-for-tests with python2