$ git clone -n https://gitee.com/src-anolis-os/rubygem-rspec-core.git /var/lib/mock/dist-an8-build-74144-38976/root/chroot_tmpdir/scmroot/rubygem-rspec-core
Cloning into '/var/lib/mock/dist-an8-build-74144-38976/root/chroot_tmpdir/scmroot/rubygem-rspec-core'...
$ git reset --hard origin/a8
HEAD is now at d7ccb12 Fix build with ruby2.7