Set up for automatic snapshot publishing

Summary:
Gets all the pieces in place to automatically publish snapshot artifacts after
successful travis build.

I'll test the actual publishing in a separate branch and then flip the switch in
a separate diff when it's ready.

Reviewed By: emilsjolander

Differential Revision: D5028239

fbshipit-source-id: c57d02a1dee41c84001bd17821b050c8c9aa4134

scripts/circle-ci-publish-snapshot.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+#
+# Deploy a SNAPSHOT JAR after every successful Circle CI To Sonatype.
+# See https://circleci.com/docs/1.0/environment-variables/
+#
+
+set -e
+
+BASEDIR="$(readlink -m "$(dirname "$0")/..")"
+IS_SNAPSHOT="$(grep 'VERSION_NAME=[0-9\.]\+-SNAPSHOT' "$BASEDIR/gradle.properties")"
+
+if [ "$TRAVIS_REPO_SLUG" != "facebook/yoga" ]; then
+  echo "Skipping repository. Expected project to be 'facebook/yoga', but was '$TRAVIS_REPO_SLUG'."
+  exit
+elif [ "$TRAVIS_BRANCH" != "master" ]; then
+  echo "Skipping build. Expected branch name to be 'master', but was '$TRAVIS_BRANCH'."
+  exit
+elif [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
+  echo "Skipping build. Only considering non-PR builds, but URL was '$TRAVIS_PULL_REQUEST'."
+  exit
+elif [ "$IS_SNAPSHOT" == "" ]; then
+  echo "Skipping build. Given build doesn't appear to be a SNAPSHOT release."
+else
+  "$BASEDIR/gradlew" uploadArchives
+fi