+ mkdir tmp + cd tmp + curl -sL --max-time 10 --retry 2 https://github.com/commonmark/commonmark-spec/archive/refs/tags/0.30.tar.gz + tar -xz --strip-components=1 commonmark-spec-0.30/spec.txt + mv spec.txt spec-0.30.txt + ls -Al total 204 -rw-r--r--. 1 jenkins 1000780000 204971 Jun 20 2021 spec-0.30.txt