build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        jcenter()
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.4.1'
        classpath 'org.ajoberstar:grgit:1.1.0'
    }
}

allprojects {
    repositories {
        jcenter()
        google()
        maven {
            url "https://maven.google.com"
        }
    }
    project.ext {
        minSdkVersion=22
        compileSdkVersion=27
        targetSdkVersion=24
        buildToolsVersion='27.0.3'
        exoPlayerVersion='2.6.1'
        supportVersion='27.0.2'
        glideVersion='4.4.0'
    }
}

ext {
    try {
        git = org.ajoberstar.grgit.Grgit.open(file('.'))
        gitRevision = git.head().id
        gitAbbreviatedId = git.head().abbreviatedId;
        gitBranch =  git.branch.current.name;
    }
    catch(Exception e) {
        gitRevision = "unknown"
        gitAbbreviatedId = "unknown";
        gitBranch =  "unknown";
    }
}