Only parse --plugin-dirname parameter once. Fix #63#64

danielbachhuber merged 2 commits into

wp-cli:mainwp-cli/dist-archive-command:mainfrom

BrianHenryIE:Only-parse-`plugin-dirname`-parameter-once.-Fix-#63BrianHenryIE/dist-archive-command:Only-parse-`plugin-dirname`-parameter-once.-Fix-#63Copy head branch name to clipboard