Use direct request to GitHub's API to get versionCode, since Travis d…

…oes a shallow clone of the repo.

app/build.gradle

@@ -1,4 +1,5 @@
 import org.ajoberstar.grgit.Grgit
+import groovy.json.JsonSlurper
 
 buildscript {
     repositories {
@@ -10,6 +11,7 @@ buildscript {
         classpath 'io.fabric.tools:gradle:1.22.2'
         classpath 'io.realm:realm-gradle-plugin:3.4.0'
         classpath 'org.ajoberstar:grgit:1.5.0'
+        classpath 'org.codehaus.groovy:groovy-json:2.4.12'
     }
 }
 plugins {
@@ -27,13 +29,12 @@ apply plugin: 'io.fabric'
 apply plugin: 'realm-android'
 
 def generateVersionCode() {
-    // current dir is <your proj>/app, so it's likely that all your git repo files are in the dir
-    // above.
-    ext.repo = Grgit.open()
+    // We need to get the number of releases directly from GitHub, since Travis
+    // does a "git clone --depth=50", meaning we don't get all the tags locally.
+    String url = "https://api.github.com/repos/pazaan/600SeriesAndroidUploader/releases"
+    def json = new JsonSlurper().parseText(url.toURL().text)
 
-    // should result in the same value as running
-    // git tag -l | wc -l or git tag -l | grep -c ".*" -
-    def numOfTags = ext.repo.tag.list().size()
+    def numOfTags = json.size() + 1
     logger.warn("Generated Version Code: " + numOfTags)
     return numOfTags
 }