add templating of app URL

gulpfile.babel.js

@@ -16,8 +16,15 @@ import gutil from 'gulp-util'
 import rename from 'gulp-rename'
 import uglify from 'gulp-uglify'
 import htmlmin from 'gulp-htmlmin'
+import template from 'gulp-template'
 import imagemin from 'gulp-imagemin'
 
+/* HTML template parameters */
+const apk_url = (
+  process.env.NODE_ENV || 
+  'http://artifacts.status.im:8081/artifactory/nightlies-local/im.status.ethereum-14a369-rel.apk'
+)
+
 gulp.task('js', () => {
   return gulp.src('src/js/**/*.js', {read: false})
     .pipe(sourcemaps.init({loadMaps: true}))
@@ -40,6 +47,7 @@ gulp.task('fonts', () => {
 gulp.task('html', () => {
   return gulp.src(['src/**/*.html'])
     .pipe(htmlmin({collapseWhitespace: true, minifyJS: true}))
+    .pipe(template({apk_url}))
     .pipe(rename(p => p.dirname = p.dirname.slice(5)))
     .pipe(gulp.dest('dist'))
 })

src/html/index.html

@@ -63,7 +63,7 @@
                 <div class="tagline__body">Status是一个浏览器、通讯工具和通向去中心化世界的入口。</div>
                  <div class="tagline__form">
                  <div class="download-apk">
-                     <a href="http://artifacts.status.im:8081/artifactory/nightlies-local/im.status.ethereum-14a369-rel.apk" class="button email-form__input email-form__input--sumbit mc-embedded-subscribe button email-button">
+                     <a href="<%= apk_url %>" class="button email-form__input email-form__input--sumbit mc-embedded-subscribe button email-button">
                        DOWNLOAD APK
                     </a>
                   </div>