Trying to automatically generate versions numbers from Git.

1 files changed, 34 insertions, 2 deletions

diff --git a/app/build.gradle b/app/build.gradle
index cb80b6c..2732c04 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,3 +1,31 @@
+def getVersionCode = { ->
+    try {
+        def stdout = new ByteArrayOutputStream()
+        exec {
+            commandLine 'git', 'rev-list', '--first-parent', '--count', 'master'
+            standardOutput = stdout
+        }
+        return Integer.parseInt(stdout.toString().trim())
+    }
+    catch (ignored) {
+        return -1;
+    }
+}
+
+def getVersionName = { ->
+    try {
+        def stdout = new ByteArrayOutputStream()
+        exec {
+            commandLine 'git', 'describe', '--tags', '--dirty'
+            standardOutput = stdout
+        }
+        return stdout.toString().trim()
+    }
+    catch (ignored) {
+        return null;
+    }
+}
+
 buildscript {
     repositories {
         mavenCentral()
@@ -25,8 +53,10 @@ android {
         applicationId 'io.trygvis.soilmoisture'
         minSdkVersion 19
         targetSdkVersion 19
-        versionCode 1
-        versionName "1.0"
+        versionCode getVersionCode()
+        versionName getVersionName()
+
+        println("versionCode=$versionCode, versionName=$versionName")
     }
     buildTypes {
         release {
@@ -39,6 +69,8 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
     lintOptions {
+        // The linter errors out with an NPE.
+        checkReleaseBuilds false
         abortOnError false
     }
     productFlavors {