gitchanges

#!/bin/bash

gitchanges() {
	# Generate the source trie

	echo "Identifying module structure..."

	$(dirname "${BASH_SOURCE[0]}")/sourcetrie

	# Identify the changes

	cat /dev/null > ${GIT_ROOT}/.redeploy/changes.txt

	if [ "" != "$1" ] && [ "local" != "$1" ]; then
		local COMPARE=

		if [ "" == "$2" ]; then
			COMPARE="$(git log -1 --pretty='%H' $1)..HEAD"
			echo "Computing changes between HEAD and $1..."
		else
			COMPARE="$1..$2"
			echo "Computing changes between $1 and $2..."
		fi

		git diff ${COMPARE} --name-only | grep -vF .iml | grep -vF rebel.xml | grep -vF yarn.lock >> ${GIT_ROOT}/.redeploy/changes.txt
	fi

	if [ "" == "$2" ]; then
		echo "Computing local changes..."
		git status -s | grep -vF '??' | grep -vF '.redeploy' | grep -vF .iml | grep -vF rebel.xml | grep -vF 'yarn.lock' | awk '{print $2}' >> ${GIT_ROOT}/.redeploy/changes.txt
	fi

	if [[ 0 -eq $(cat ${GIT_ROOT}/.redeploy/changes.txt | grep -c '^') ]]; then
		echo 'No changes detected.'

		cat /dev/null > ${GIT_ROOT}/.redeploy/changes_ant.txt
		cat /dev/null > ${GIT_ROOT}/.redeploy/changes_gradle_1.txt
		cat /dev/null > ${GIT_ROOT}/.redeploy/changes_gradle_2.txt

		return 0
	fi

	# Identify the folders that changed

	echo "Comparing changes to module structure..."

	python $(dirname "${BASH_SOURCE[0]}")/gitchanges.py

	echo "Change detection completed."
}

setopts() {
	. $(dirname "${BASH_SOURCE[0]}")/setopts
}

setopts && gitchanges $@