Pin Android Components version and add script for automated updates.

automation/taskcluster/update_android_components.sh

@@ -0,0 +1,56 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# If a command fails then do not proceed and fail this script too.
+set -ex
+
+# Install dependencies (TODO: Move to Docker image)
+apt-get install -y brew
+brew install hub
+
+BRANCH="ac-update"
+USER="MickeyMoz"
+EMAIL="sebastian@mozilla.com"
+REPO="reference-browser"
+
+git config --global user.email $EMAIL
+git config --global user.name $USER
+
+# Fetching latest version
+LATEST_VERSION=`curl https://nightly.maven.mozilla.org/maven2/org/mozilla/components/browser-engine-gecko-nightly/maven-metadata.xml | sed -ne '/latest/{s/.*<latest>\(.*\)<\/latest>.*/\1/p;q;}'`
+
+# Updating version file
+sed -i "s/VERSION = \".*\"/VERSION = \"$LATEST_VERSION\"/g" "buildSrc/src/main/java/AndroidComponents.kt"
+
+# Create a branch and commit local changes
+git checkout -b $BRANCH
+git add buildSrc/src/main/java/AndroidComponents.kt
+git commit -m \
+	"Update Android Components version to $LATEST_VERSION." \
+	--author="MickeyMoz <sebastian@mozilla.com>" \
+|| { echo "No new Android Components version ($LATEST_VERSTION) available"; exit 0; }
+
+# Get token for using GitHub
+python automation/taskcluster/helper/get-secret.py \
+    -s project/mobile/github \
+    -k botAccountToken \
+    -f .github_token \
+
+# From here on we do not want to print the commands since they contain tokens
+set +x
+
+GITHUB_TOKEN=`cat .github_token`
+URL="https://$USER:$GITHUB_TOKEN@github.com/$USER/$REPO/"
+
+# Push changes to GitHub
+echo "Pushing branch to GitHub"
+git push -f --no-verify --quiet $URL $BRANCH > /dev/null 2>&1 || echo "Failed ($?)"
+
+# Open a PR if needed
+if [[ $(hub pr list -h $USER:$BRANCH) ]]; then
+    echo "There's already an open PR."
+else
+    echo "No PR found. Opening new PR."
+    hub pull-request -b master -h MickeyMoz:ac-update --no-edit -m "Update Android Components version"
+fi

buildSrc/src/main/java/AndroidComponents.kt

@@ -0,0 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+object AndroidComponents {
+    const val VERSION = "35.0.20200303130104"
+}

buildSrc/src/main/java/Dependencies.kt

@@ -16,7 +16,7 @@ private object Versions {
 
     const val android_gradle_plugin = "3.4.1"
 
-    const val mozilla_android_components = "+" // Always use the latest snapshot
+    const val mozilla_android_components = AndroidComponents.VERSION
 
     const val thirdparty_sentry = "1.7.10"