fdroidserver/buildserver/cookbooks/gradle/recipes/gradle

#!/bin/bash

bindir="$(dirname $0)"
basedir="$(dirname $bindir)"
verdir="${basedir}/versions"
args=("$@")
pushd "${verdir}" &>/dev/null

v_all=(*/)
v_all=(${v_all[@]%/})

echo "Available gradle versions: ${v_all[@]}"

popd &>/dev/null

run_gradle() {
	${verdir}/${v_found}/bin/gradle "${args[@]}"
	exit $?
}

contains() {
	local e
	for e in $2; do
		[[ $e == $1 ]] && return 0;
	done
	return 1
}

# key-value pairs of what gradle version each gradle plugin version
# should accept
d_plugin_k=( 0.9  0.8 0.7 0.6 0.5 0.4 0.3 0.2)
d_plugin_v=(1.11 1.10 1.9 1.8 1.6 1.6 1.4 1.4)

for v in ${d_plugin_v}; do
	contains $v "${v_all[*]}" && v_def=$v && break
done

# Latest takes priority
for f in ../build.gradle build.gradle; do
	[[ -f $f ]] || continue
	while read l; do
		if [[ $l == *'com.android.tools.build:gradle:'* ]]; then
			plugin_pver=$(echo -n "$l" | sed "s/.*com.android.tools.build:gradle:\\([0-9\\.\\+]\\+\\).*/\\1/")
		elif [[ $l == *'gradleVersion'* ]]; then
			wrapper_ver=$(echo -n "$l" | sed "s/.*gradleVersion[ ]*=[ ]*[\"']\\([0-9\\.]\\+\\)[\"'].*/\\1/")
		fi
	done < $f
done

if [[ -n $wrapper_ver ]]; then
	v_found=$wrapper_ver
	echo "Found $v_found via gradleVersion"
	run_gradle
fi

if [[ -n $plugin_pver ]]; then
	i=0
	match=false
	for k in ${d_plugin_k[@]}; do
		if [[ $plugin_pver == ${k}* ]]; then
			plugin_ver=${d_plugin_v[$i]}
			match=true
			break
		fi
		let i++
	done
	if $match; then
		v_found=$plugin_ver
		echo "Found $v_found via gradle plugin version $k"
	fi
fi

if [[ -z $v_found ]]; then
	echo "No suitable gradle version found - defaulting to $v_def"
	v_found=$v_def
fi

run_gradle