Use modified branch names for APK

app/build.gradle

@@ -1,3 +1,4 @@
+apply from: '../gitutils.gradle'
 apply plugin: 'com.android.application'
 apply plugin: 'jacoco-android'
 apply from: 'quality.gradle'
@@ -66,6 +67,7 @@ android {
         applicationId 'fr.free.nrw.commons'
         versionCode 74
         versionName '2.5.0'
+        setProperty("archivesBaseName", "app-commons-v$versionName-" + getBranchName())
         minSdkVersion project.minSdkVersion
         targetSdkVersion project.targetSdkVersion
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -79,6 +81,7 @@ android {
         }
         debug {
             testCoverageEnabled true
+            versionNameSuffix "-debug-" + getBranchName() + "~" + getBuildVersion()
         }
     }
 

gitutils.gradle

@@ -0,0 +1,21 @@
+ext.getBuildVersion = { ->
+    def stdout = new ByteArrayOutputStream()
+    exec {
+        commandLine 'git', 'rev-parse', '--short', 'HEAD'
+        standardOutput = stdout
+    }
+    return stdout.toString().trim()
+}
+
+ext.getBranchName = { ->
+    try {
+        def stdOut = new ByteArrayOutputStream()
+        exec {
+            commandLine 'git', 'rev-parse', '--abbrev-ref', 'HEAD'
+            standardOutput = stdOut
+        }
+        return stdOut.toString().trim()
+    } catch (ignored) {
+        return null
+    }
+}