buildserver: unpack gradle versions with provisioning shell script

This was not using anything special from chef, so do it in a shell script
instead.  This makes the script easier for the python/shell people, and
probably uses less memory, since chef is a memory hog.  This might even
make the provision go faster since it uploads the whole script as a file to
the VM, then runs it there.  I think chef sends each command via SSH.

buildserver/cookbooks/gradle/recipes/default.rb

@@ -1,42 +0,0 @@
-
-user = node[:settings][:user]
-
-gradle_script = IO.read(File.join(
-	File.expand_path(File.dirname(__FILE__)), "gradle"))
-
-script "add-gradle-bindir" do
-  cwd "/tmp"
-  interpreter "bash"
-  code "mkdir -p /opt/gradle/bin"
-  not_if "test -d /opt/gradle/bin"
-end
-
-script "add-gradle-verdir" do
-  cwd "/tmp"
-  interpreter "bash"
-  code "mkdir -p /opt/gradle/versions"
-  not_if "test -d /opt/gradle/versions"
-end
-
-%w{1.4 1.6 1.7 1.8 1.9 1.10 1.11 1.12 2.1 2.2.1 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13}.each do |ver|
-  script "install-gradle-#{ver}" do
-    cwd "/tmp"
-    interpreter "bash"
-    code "
-      unzip /vagrant/cache/gradle-#{ver}-bin.zip
-      mv gradle-#{ver} /opt/gradle/versions/#{ver}
-    "
-    not_if "test -d /opt/gradle/versions/#{ver}"
-  end
-end
-
-script "add-gradle-wrapper" do
-  cwd "/tmp"
-  interpreter "bash"
-  code "
-    cat << \"EOF\" > /opt/gradle/bin/gradle
-#{gradle_script}
-EOF
-    chmod a+x /opt/gradle/bin/gradle
-  "
-end

buildserver/cookbooks/gradle/recipes/gradle

@@ -1,80 +0,0 @@
-#!/bin/bash
-
-bindir="$(dirname $0)"
-basedir="$(dirname $bindir)"
-verdir="${basedir}/versions"
-args=("$@")
-
-v_all=($(cd "${verdir}" && ls | sort -rV))
-echo "Available gradle versions: ${v_all[@]}"
-
-run_gradle() {
-	"${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=( 2.1  2.0 1.5 1.3 1.2   1.1   1.0 0.14 0.13 0.12 0.11 0.10  0.9  0.8 0.7 0.6 0.5 0.4 0.3 0.2)
-d_plugin_v=(2.12 2.12 2.4 2.4 2.3 2.2.1 2.2.1  2.1  2.1 1.12 1.12 1.12 1.11 1.10 1.9 1.8 1.6 1.6 1.4 1.4)
-
-# All gradle versions we know about
-plugin_v=(2.13 2.12 2.11 2.10 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2.1 2.1 1.12 1.11 1.10 1.9 1.8 1.7 1.6 1.4)
-
-# Find the highest version available
-for v in ${plugin_v[*]}; do
-	if contains $v "${v_all[*]}"; then
-		v_def=$v
-		break
-	fi
-done
-
-# Earliest takes priority
-for f in build.gradle ../build.gradle; do
-	[[ -f $f ]] || continue
-	while read l; do
-		if [[ -z "$plugin_pver" && $l == *'com.android.tools.build:gradle:'* ]]; then
-			plugin_pver=$(echo -n "$l" | sed "s/.*com.android.tools.build:gradle:\\([0-9\\.\\+]\\+\\).*/\\1/")
-		elif [[ -z "$wrapper_ver" && $l == *'gradleVersion = '* ]]; then
-			wrapper_ver=$(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