#!/bin/bash
# find plugins by searching in some folder for feature jars, and searching through their feature.xml files for <plugin id="..."

# 1 - featurePattern - pattern of features to search (eg., "org.eclipse.tptp" or "\*" for all features)
# 2 - pluginPattern  - pattern of plugins for which to search (eg., "org.eclipse.tptp.platform.instrumentation.ui")
# 3 - location       - directory in which to search, if not "."

if [[ ! $1 ]]; then 
	echo "Usage: $0 <featurePattern> <pluginPattern> <location>"
	echo ""
	echo "Example: $0 org.eclipse.tptp.platform.xerces xerces ."
	echo "Example: $0 org.apache.xml.serializer"
	echo "Example: $0 xerces"
	echo "Example: $0 platform.probekit"
	echo "Example: $0 probekit"
	exit 1 
fi

# if no location, look in current dir (.)
if [[ $3 ]]; then location="$3"; else location="."; fi

# if no featurePattern, search all features for pluginPattern
if [[ ! $2 ]]; then featurePattern="*"; pluginPattern="$1"; else pluginPattern="$2"; featurePattern="$1"; fi

rm -fr /tmp/findinfeature/; mkdir -p /tmp/findinfeature/features/
for f in $(find "$location" -type f -name "*${featurePattern}*" | egrep -v "pack.gz|source" | grep features | egrep "${featurePattern}"); do
	#echo "$f [$featurePattern, $pluginPattern]"
	unzip -q $f -d /tmp/findinfeature/ feature.xml
	if [[ ! $(cat /tmp/findinfeature/feature.xml | egrep "id=\".*${pluginPattern}.*\"" -A3 -B1 | grep plugin -A1) ]]; then
		rm -fr /tmp/findinfeature/feature.xml
	else
		mv /tmp/findinfeature/feature.xml /tmp/findinfeature/${f}_feature.xml
		echo "${f}"
		cat /tmp/findinfeature/${f}_feature.xml | egrep -v "<import\|plugin=" | egrep "id=\".*${pluginPattern}.*\"" -A1 -B1 | grep plugin -A1
		echo ""
	fi
	rm -fr /tmp/findinfeature/feature.xml
done