Set up automatic release publishing (#266)

Summary:
On tags, build and publish artifacts to bintray. The encrypted accounted creds are for a `flipperfbbot` account on Bintray I created for this.
Pull Request resolved: https://github.com/facebook/flipper/pull/266

Reviewed By: priteshrnandgaonkar

Differential Revision: D9848181

Pulled By: passy

fbshipit-source-id: cf9150b2352a9ce972c48533ce15e8e75aa908fe

.circleci/config.yml

@@ -11,8 +11,22 @@ jobs:
             ./gradlew :sample:assembleDebug
             scripts/publish-android-snapshot.sh
 
+  release:
+    docker:
+      - image: circleci/android:api-28-ndk-r17b
+    steps:
+      - checkout
+      - run:
+          name: build and deploy
+          command: scripts/publish-android-release.sh
+
 workflows:
   version: 2
   build:
     jobs:
       - build
+      - release:
+          filters:
+            tags:
+              - only: /^v.*/
+

scripts/bintray-publish-keys.enc

@@ -0,0 +1 @@
+Salted__{<7B><>a]<5D>XH<06><><EFBFBD><06>%<25><>Yhuѹ<75>y<EFBFBD><79>[=<1A><>Ǔ:<3A><>OQ<4F><51><EFBFBD>4<EFBFBD><34>O<EFBFBD>Zq<5A>X6¸<36>C<EFBFBD>O<12><><15><><EFBFBD>aS<61><>*<2A>N<EFBFBD><1F><>X<EFBFBD><58>T(<28>Ǜ<EFBFBD>>*!,<2C>F<EFBFBD>w.T<>\<5C>	d<>g

scripts/publish-android-release.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -e
+
+BASEDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )"
+IS_SNAPSHOT="$(grep 'VERSION_NAME=[0-9\.]\+-SNAPSHOT' "$BASEDIR/gradle.properties" || echo "")"
+
+if [ "$ANDROID_PUBLISH_KEY" == "" ]; then
+  echo "No encryption key. Skipping snapshot deployment."
+  exit
+elif [ "$IS_SNAPSHOT" != "" ]; then
+  echo "Build appears to be a SNAPSHOT release, but this is a script for building stable releases. Skipping ..."
+  exit 1
+else
+  openssl aes-256-cbc -d -in scripts/bintray-publish-keys.enc -k "$ANDROID_PUBLISH_KEY" >> "$BASEDIR/gradle.properties"
+  "$BASEDIR"/gradlew bintrayUpload --info -PdryRun=false
+fi

scripts/publish-android-snapshot.sh

@@ -7,10 +7,10 @@ IS_SNAPSHOT="$(grep 'VERSION_NAME=[0-9\.]\+-SNAPSHOT' "$BASEDIR/gradle.propertie
 if [ "$ANDROID_PUBLISH_KEY" == "" ]; then
   echo "No encryption key. Skipping snapshot deployment."
   exit
-elif [ "$IS_SNAPSHOT" == "" ]; then
+elif [ "$IS_SNAPSHOT" != "" ]; then
-  echo "Skipping build. Given build doesn't appear to be a SNAPSHOT release."
+  echo "Build appears to be a SNAPSHOT release, but this is a script for building stable releases. Skipping ..."
   exit 1
 else
-  openssl aes-256-cbc -d -in scripts/gradle-publish-keys.enc -k "$ANDROID_PUBLISH_KEY" >> "$BASEDIR/gradle.properties"
+  openssl aes-256-cbc -d -in scripts/bintray-publish-keys.enc -k "$ANDROID_PUBLISH_KEY" >> "$BASEDIR/gradle.properties"
-  "$BASEDIR"/gradlew uploadArchives --info
+  "$BASEDIR"/gradlew bintrayUpload --info -PdryRun=false
 fi