From 0257620f257cc1dafc11837798891033d8899754 Mon Sep 17 00:00:00 2001
From: Georg Lukas <georg@op-co.de>
Date: Thu, 27 Aug 2015 20:31:00 +0200
Subject: [PATCH] build: move custom rules to custom_rules.xml

---
 build.xml        | 117 ++++++++++-------------------------------------
 custom_rules.xml |  80 ++++++++++++++++++++++++++++++++
 2 files changed, 105 insertions(+), 92 deletions(-)
 create mode 100644 custom_rules.xml

diff --git a/build.xml b/build.xml
index af0b220..0cc66e3 100644
--- a/build.xml
+++ b/build.xml
@@ -4,7 +4,7 @@
     <!-- The local.properties file is created and updated by the 'android' tool.
          It contains the path to the SDK. It should *NOT* be checked into
          Version Control Systems. -->
-    <loadproperties srcFile="local.properties" />
+    <property file="local.properties" />
 
     <!-- The ant.properties file can be created by you. It is only edited by the
          'android' tool to add properties to it.
@@ -28,6 +28,15 @@
          -->
     <property file="ant.properties" />
 
+    <!-- if sdk.dir was not set from one of the property file, then
+         get it from the ANDROID_HOME env var.
+         This must be done before we load project.properties since
+         the proguard config can use sdk.dir -->
+    <property environment="env" />
+    <condition property="sdk.dir" value="${env.ANDROID_HOME}">
+        <isset property="env.ANDROID_HOME" />
+    </condition>
+
     <!-- The project.properties file is created and updated by the 'android'
          tool, as well as ADT.
 
@@ -41,49 +50,23 @@
 
     <!-- quick check on sdk.dir -->
     <fail
-            message="sdk.dir is missing. Make sure to generate local.properties using 'android update project'"
+            message="sdk.dir is missing. Make sure to generate local.properties using 'android update project' or to inject it through the ANDROID_HOME environment variable."
             unless="sdk.dir"
     />
 
-
-<!-- extension targets. Uncomment the ones where you want to do custom work
-     in between standard targets -->
-    <property name="mapviewxml" value="res/layout/mapview.xml" />
-    <target name="-pre-build">
-	    <fail unless="mapsApiKey">You need to add mapsApiKey=... to local.properties</fail>
-	    <copy file="mapview.xml.tpl" tofile="${mapviewxml}" overwrite="true">
-		    <filterchain>
-			    <replacetokens>
-				    <token key="apiKey" value="${mapsApiKey}"/>
-			    </replacetokens>
-		    </filterchain>
-
-	    </copy>
-	    <tstamp>
-		    <format property="build.date" pattern="yyyy-MM-dd" />
-	    </tstamp>
-	    <exec executable="git" outputproperty="git.revision">
-		    <arg line="describe --tags --dirty=+"/>
-	    </exec>
-	    <copy file="version.xml.tpl" tofile="${resource.absolute.dir}/values/version.xml" overwrite="true">
-		    <filterchain>
-			    <replacetokens>
-				    <token key="build_version" value="${ant.project.name} ${git.revision} ${build.date}"/>
-			    </replacetokens>
-		    </filterchain>
-
-	    </copy>
-    </target>
-<!--
-    <target name="-pre-compile">
-    </target>
-
-    /* This is typically used for code obfuscation.
-       Compiled code location: ${out.classes.absolute.dir}
-       If this is not done in place, override ${out.dex.input.absolute.dir} */
--->
-    <target name="-post-compile" depends="scalac, proguard">
-    </target>
+    <!--
+        Import per project custom build rules if present at the root of the project.
+        This is the place to put custom intermediary targets such as:
+            -pre-build
+            -pre-compile
+            -post-compile (This is typically used for code obfuscation.
+                           Compiled code location: ${out.classes.absolute.dir}
+                           If this is not done in place, override ${out.dex.input.absolute.dir})
+            -post-package
+            -post-build
+            -pre-clean
+    -->
+    <import file="custom_rules.xml" optional="true" />
 
     <!-- Import the actual build file.
 
@@ -103,57 +86,7 @@
          In all cases you must update the value of version-tag below to read 'custom' instead of an integer,
          in order to avoid having your file be overridden by tools such as "android update project"
     -->
-    <!-- version-tag: custom -->
+    <!-- version-tag: 1 -->
     <import file="${sdk.dir}/tools/ant/build.xml" />
 
-    <target name="check-scalalib">
-        <available file="tools/scala-library.jar" property="have.scalalib"/>
-	<fail unless="have.scalalib">You have to place scala-compiler.jar and scala-library.jar to tools/</fail>
-    </target>
-    <target name="check-scalac">
-        <available file="tools/scala-compiler.jar" property="have.scalac"/>
-	<fail unless="have.scalac">You have to place scala-compiler.jar and scala-library.jar to tools/</fail>
-    </target>
-
-    <target name="scalac" depends="-compile, check-scalalib, check-scalac">
-	<taskdef resource="scala/tools/ant/antlib.xml"
-	    classpath="tools/scala-compiler.jar:tools/scala-library.jar:tools/scala-reflect.jar" />
-	<scalac force="changed" deprecation="on"
-	    srcdir="${source.absolute.dir}" includes="**/*.scala"
-	    bootclasspathref="project.target.class.path"
-	    destdir="${out.classes.absolute.dir}">
-	    <classpath>
-		<pathelement location="${out.classes.absolute.dir}"/>
-		<fileset dir="tools" includes="*.jar"/>
-		<fileset dir="${jar.libs.dir}"  includes="*.jar"/>
-	    </classpath>
-	</scalac>
-    </target>
-
-    <target name="check-proguard">
-	<available file="tools/proguard.jar" property="have.proguard"/>
-	<fail unless="have.proguard">ProGuard is required to build! Copy proguard.jar to tools/</fail>
-    </target>
-
-    <property name="optimized.dir" value="${out.absolute.dir}/optimized" />
-    <target name="proguard" depends="scalac, check-proguard">
-	<taskdef resource="proguard/ant/task.properties"
-	    classpath="tools/proguard.jar" />
-	<mkdir dir="${optimized.dir}" />
-	<proguard configuration="proguard.cfg">
-	    -injars ${out.classes.absolute.dir}:${jar.libs.dir}:tools/scala-library.jar(!META-INF/MANIFEST.MF,!library.properties)
-	    -outjars ${out.absolute.dir}/classes.min.jar
-	    -libraryjars ${toString:project.target.class.path}
-	    -printusage ${optimized.dir}/proguard.usage
-	</proguard>
-    </target>
-
-    <target name="-dex" depends="-post-compile">
-	<echo>Converting compiled files and external libraries into ${intermediate.dex.file}...</echo>
-	<apply executable="${dx}" failonerror="true" parallel="true">
-	    <arg value="--dex" />
-	    <arg value="--output=${intermediate.dex.file}" />
-	    <fileset dir="${out.absolute.dir}" includes="*.min.jar"/>
-	</apply>
-    </target>
 </project>
diff --git a/custom_rules.xml b/custom_rules.xml
new file mode 100644
index 0000000..a2c7eda
--- /dev/null
+++ b/custom_rules.xml
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project>
+
+    <property name="mapviewxml" value="res/layout/mapview.xml" />
+
+    <target name="-pre-build">
+	    <fail unless="mapsApiKey">You need to add mapsApiKey=... to local.properties</fail>
+	    <copy file="mapview.xml.tpl" tofile="${mapviewxml}" overwrite="true">
+		    <filterchain>
+			    <replacetokens>
+				    <token key="apiKey" value="${mapsApiKey}"/>
+			    </replacetokens>
+		    </filterchain>
+
+	    </copy>
+	    <tstamp>
+		    <format property="build.date" pattern="yyyy-MM-dd" />
+	    </tstamp>
+	    <exec executable="git" outputproperty="git.revision">
+		    <arg line="describe --tags --dirty=+"/>
+	    </exec>
+	    <copy file="version.xml.tpl" tofile="${resource.absolute.dir}/values/version.xml" overwrite="true">
+		    <filterchain>
+			    <replacetokens>
+				    <token key="build_version" value="${ant.project.name} ${git.revision} ${build.date}"/>
+			    </replacetokens>
+		    </filterchain>
+
+	    </copy>
+    </target>
+
+    <target name="check-scalalib">
+        <available file="tools/scala-library.jar" property="have.scalalib"/>
+	<fail unless="have.scalalib">You have to place scala-compiler.jar and scala-library.jar to tools/</fail>
+    </target>
+    <target name="check-scalac">
+        <available file="tools/scala-compiler.jar" property="have.scalac"/>
+	<fail unless="have.scalac">You have to place scala-compiler.jar and scala-library.jar to tools/</fail>
+    </target>
+
+    <target name="scalac" depends="-compile, check-scalalib, check-scalac">
+	<taskdef resource="scala/tools/ant/antlib.xml"
+	    classpath="tools/scala-compiler.jar:tools/scala-library.jar:tools/scala-reflect.jar" />
+	<scalac force="changed" deprecation="on"
+	    srcdir="${source.absolute.dir}" includes="**/*.scala"
+	    bootclasspathref="project.target.class.path"
+	    destdir="${out.classes.absolute.dir}">
+	    <classpath>
+		<pathelement location="${out.classes.absolute.dir}"/>
+		<fileset dir="tools" includes="*.jar"/>
+		<fileset dir="${jar.libs.dir}"  includes="*.jar"/>
+	    </classpath>
+	</scalac>
+    </target>
+
+    <!-- proguard is always enabled in APRSdroid -->
+    <target name="-post-compile" depends="scalac, proguard" />
+
+    <target name="proguard" depends="scalac">
+	<property name="proguard.jar" location="${android.tools.dir}/proguard/lib/proguard.jar" />
+	<taskdef name="proguard" classname="proguard.ant.ProGuardTask" classpath="${proguard.jar}" />
+
+	<property name="obfuscate.absolute.dir" location="${out.absolute.dir}/proguard" />
+	<property name="obfuscated.jar.file" value="${obfuscate.absolute.dir}/obfuscated.jar" />
+	<property name="out.dex.input.absolute.dir" value="${obfuscated.jar.file}" />
+	<mkdir   dir="${obfuscate.absolute.dir}" />
+	<proguard configuration="proguard.cfg">
+	    -injars ${out.classes.absolute.dir}:${jar.libs.dir}:tools/scala-library.jar(!META-INF/MANIFEST.MF,!library.properties)
+	    -outjars ${obfuscated.jar.file}
+	    -libraryjars ${toString:project.target.class.path}
+	    -dump         "${obfuscate.absolute.dir}/dump.txt"
+	    -printseeds   "${obfuscate.absolute.dir}/seeds.txt"
+	    -printusage   "${obfuscate.absolute.dir}/usage.txt"
+	    -printmapping "${obfuscate.absolute.dir}/mapping.txt"
+	</proguard>
+	<path id="out.dex.jar.input.ref" />
+    </target>
+    <target name="-obfuscate" depends="proguard" />
+
+</project>