buildserver: setup env vars using standard script

bash provides a standard file location for a script to be run when the
shell starts: /etc/profile.d/  This converts the scattered bits of code for
making ~/.bsenv into a single provisioning script to generate
/etc/profile.d/bsenv.sh, which gets automatically executed when bash starts

buildserver/cookbooks/fdroidbuild-general/recipes/default.rb

@@ -97,12 +97,6 @@ easy_install_package "compare-locales" do
   action :install
 end
 
-execute "add-bsenv" do
-  user user
-  command "echo \". ./.bsenv \" >> /home/#{user}/.bashrc"
-  not_if "grep bsenv /home/#{user}/.bashrc"
-end
-
 execute "set-default-java" do
   command "update-java-alternatives --set java-1.7.0-openjdk-i386"
 end

buildserver/cookbooks/gradle/recipes/default.rb

@@ -40,9 +40,3 @@ EOF
     chmod a+x /opt/gradle/bin/gradle
   "
 end
-
-execute "add-android-ndk-path" do
-  user user
-  command "echo \"export PATH=\\$PATH:/opt/gradle/bin #PATH-GRADLE\" >> /home/#{user}/.bsenv"
-  not_if "grep PATH-GRADLE /home/#{user}/.bsenv"
-end

buildserver/setup-env-vars

@@ -0,0 +1,16 @@
+#!/bin/sh
+#
+# sets up the environment vars needed by the build process
+
+set -e
+set -x
+
+bsenv=/etc/profile.d/bsenv.sh
+
+echo "# generated on "`date` > $bsenv
+
+echo export ANDROID_HOME=$1 >> $bsenv
+echo export ANDROID_NDK_HOME=$2 >> $bsenv
+echo 'export PATH=$PATH:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools:/opt/gradle/bin' >> $bsenv
+
+chmod 0644 $bsenv