MOBILE-2607 settings: Display last commit in about page

gulpfile.js

@@ -9,6 +9,7 @@ var gulp = require('gulp'),
     flatten = require('gulp-flatten'),
     npmPath = require('path'),
     File = gutil.File,
+    exec = require('child_process').exec,
     license = '' +
         '// (C) Copyright 2015 Martin Dougiamas\n' +
         '//\n' +
@@ -75,7 +76,8 @@ function treatMergedData(data) {
     var mergedOrdered = {};
 
     for (var filepath in data) {
-        var pathSplit = filepath.split('/');
+        var pathSplit = filepath.split('/'),
+            prefix;
 
         pathSplit.pop();
 
@@ -230,12 +232,21 @@ gulp.task('lang', function(done) {
 
 // Convert config.json into a TypeScript class.
 gulp.task('config', function(done) {
+    // Get the last commit.
+    exec('git log -1 --pretty=format:"%H"', function (err, commit, stderr) {
+        if (err) {
+            console.error('An error occurred while getting the last commit: ' + err);
+        } else if (stderr) {
+            console.error('An error occurred while getting the last commit: ' + stderr);
+        }
+
         gulp.src(paths.config)
             .pipe(through(function(file) {
                 // Convert the contents of the file into a TypeScript class.
                 // Disable the rule variable-name in the file.
                 var config = JSON.parse(file.contents.toString()),
-                contents = license + '// tslint:disable: variable-name\n' + 'export class CoreConfigConstants {\n';
+                    contents = license + '// tslint:disable: variable-name\n' + 'export class CoreConfigConstants {\n',
+                    that = this;
 
                 for (var key in config) {
                     var value = config[key];
@@ -269,8 +280,9 @@ gulp.task('config', function(done) {
                     contents += '    static ' + key + ' = ' + value + ';\n';
                 }
 
-            // Add compilation time.
+                // Add compilation info.
                 contents += '    static compilationtime = ' + Date.now() + ';\n';
+                contents += '    static lastcommit = \'' + commit + '\';\n';
 
                 contents += '}\n';
 
@@ -280,6 +292,7 @@ gulp.task('config', function(done) {
             .pipe(rename('configconstants.ts'))
             .pipe(gulp.dest(paths.src))
             .on('end', done);
+    });
 });
 
 gulp.task('default', gulp.parallel('lang', 'config'));

src/core/settings/lang/en.json

@@ -3,7 +3,7 @@
     "appready": "App ready",
     "cannotsyncoffline": "Cannot synchronise offline.",
     "cannotsyncwithoutwifi": "Cannot synchronise because the current settings only allow to synchronise when connected to Wi-Fi. Please connect to a Wi-Fi network.",
-    "compilationtime": "Compilation time",
+    "compilationinfo": "Compilation info",
     "cordovadevicemodel": "Cordova device model",
     "cordovadeviceosversion": "Cordova device OS version",
     "cordovadeviceplatform": "Cordova device platform",

src/core/settings/pages/about/about.html

@@ -36,9 +36,10 @@
             <h2>{{ 'core.settings.versioncode' | translate}}</h2>
             <p>{{ versionCode }}</p>
         </ion-item>
-        <ion-item text-wrap *ngIf="compilationTime">
-            <h2>{{ 'core.settings.compilationtime' | translate }}</h2>
-            <p>{{ compilationTime | coreFormatDate: "LLL Z" }}</p>
+        <ion-item text-wrap *ngIf="compilationTime || lastCommit">
+            <h2>{{ 'core.settings.compilationinfo' | translate }}</h2>
+            <p *ngIf="compilationTime">{{ compilationTime | coreFormatDate: "LLL Z" }}</p>
+            <p *ngIf="lastCommit">{{ lastCommit }}</p>
         </ion-item>
         <ion-item text-wrap *ngIf="fileSystemRoot">
             <h2>{{ 'core.settings.filesystemroot' | translate}}</h2>

src/core/settings/pages/about/about.ts

@@ -37,6 +37,7 @@ export class CoreSettingsAboutPage {
     versionName: string;
     versionCode: number;
     compilationTime: number;
+    lastCommit: string;
     privacyPolicy: string;
     navigator: Navigator;
     locationHref: string;
@@ -63,6 +64,7 @@ export class CoreSettingsAboutPage {
         this.versionName = CoreConfigConstants.versionname;
         this.versionCode = CoreConfigConstants.versioncode;
         this.compilationTime = CoreConfigConstants.compilationtime;
+        this.lastCommit = CoreConfigConstants.lastcommit;
 
         // Calculate the privacy policy to use.
         this.privacyPolicy = currentSite.getStoredConfig('tool_mobile_apppolicy') || currentSite.getStoredConfig('sitepolicy') ||