Script to parse VCV Rack community plugin JSON files

communityLint.sh

#!/bin/bash
# check for the community repo locally
if [ -d "community" ]; then
	 pushd community
	 # discard any changes
	 git reset HEAD --hard

	 # update the community repo if it exists
	 git pull
	 popd
else
	 # community repo does not exist so pull it down
	 git clone https://github.com/VCVRack/community
fi
# check for the canonical list of tags
declare -a tags=( "slug"
  "name"
  "author"
  "license"
  "version"
  "homepage"
  "donation"
  "manual"
  "source"
  "downloads"
  "win"
  "lin"
  "mac"
)

# look at each plugin json file
for x in community/plugins/*.json
do
   # only print something if at least one tag is missing.
	 first=1
	 for y in "${tags[@]}"
	 do
      # if grep for a tag fails, report
		  if ! grep --quiet "${y}" "${x}"
		  then
        # print plugin name once
				if [ "${first}" -eq 1 ]
				then
           # print the plugin name, no newline
					 echo -n "$(basename "${x%.*}"): Missing"
           # only do it once
					 first=0
				fi
        # print the missing tag
        echo -n " ${y}"
		  fi
	 done
   # if there were any missing tags, print a newline
	 if [ "${first}" -eq "0" ]
	 then
		  printf "\n"
   else
      echo "$(basename "${x%.*}"): All tags present."
	 fi
done