This script pulls down the VCV Rack community repo, finds source urls, pulls down source repos, and builds plugins.

community-builds-from-source.sh

#!/bin/bash

#################################################################################################################################
# community-builds-from-source.sh
#     by Jeremy Wentworth
#
# Modified by Kent Williams chaircrusher@gmail.com
#
# This script pulls down the VCV Rack community repo, finds source urls, pulls down source repos, and builds plugins.
#
# This script requires:
#     git - https://git-scm.com/
#     VCV Rack dev env - https://github.com/VCVRack/Rack#setting-up-your-development-environment
#
# Copy this script into:
#    Rack/plugins
#
# Run this in Rack/plugins:
#    . community-builds-from-source.sh
#
#################################################################################################################################

# 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

buildfails=""

# helper function to see if a particular key is in an associative array
exists(){
	 if [ "$2" != in ]; then
		  echo "Incorrect usage."
		  echo "Correct usage: exists {key} in {array}"
		  return
	 fi
	 eval '[ ${'$3'[$1]+muahaha} ]'
}

# loop through the json in the community repo
for jsonFile in community/plugins/*.json
do
	 gitPlugin="$(cat "${jsonFile}" | grep \"source\" | awk -F'"' '{print $4}')"
	 # skip no-source plugins
	 if [[ -z "${gitPlugin}" ]]
	 then
		  continue;
	 fi

	 # poke around in the json file
	 # to get the version
	 version=$(grep '"version":' "${jsonFile}" | awk -F'"' '{print $4}')

	 # get the folder name and see if we already haave it locally
	 pluginDirName=$(echo $gitPlugin | awk -F'/' '{print $5}')

	 if [ -d "$pluginDirName" ]; then
		  echo "$pluginDirName exists"
	 else
		  echo "$pluginDirName does not exists yet"
		  userNameUrlPart=$(echo $gitPlugin | awk -F'/' '{print $4}')
		  git clone $gitPlugin #NOTE: not all plugins are on github, sonus is on gitlab
	 fi

	 # if there's a problem with checkout everything goes to hell
	 if [ ! -d ${pluginDirName} ] ; then
		  continue;
	 fi

	 # change to the repo dir
	 pushd $pluginDirName

	 # Some devs don't have a .gitignore so you can't pull until you do something with the changed files.
	 git reset HEAD --hard #discards any changes - we could do `git stash` here instead

	 # pull down the latest code
	 # tries to cope with inconsistent version
	 # tags.
	 if [[ -z "${version}" ]]
	 then
		  git checkout master
		  echo checked out master
	 else
		  git checkout "v${version}"
		  if [ $? -ne 0 ]
		  then
				git checkout "${version}"
				if [ $? -ne 0 ]
				then
					 git checkout master
					 echo checked out master
				else
					 echo checked out "${version}"
				fi
		  else
				echo checked out "v${version}"
		  fi
	 fi

	 # try to check out the right tag
	 git checkout 
	 # try to update submodules if there are any
	 git submodule update --init --recursive

	 # clean old builds (might not be needed but can prevent issues)
	 make clean

	 make -j$(nproc) dep

	 # finally, build the plugin
	 if make -j$(nproc)
	 then
		  true # say nothing
	 else
		  buildfails="${buildfails} ${pluginDirName}"
	 fi

	 # go back to the last dir
    popd

done

echo "BUILD FAILURES: ${buildfails}"