
* stable-2.15: ReceiveCommits: Validate ref operation before commits for non-ff case Add test coverage for ref operation validation extension point Upgrade JGit to 4.11.8.201904181247-r CreateProject: Expose createProject method ElasticContainer: Switch to Alpine-based images from blacktop Bazel: Fix lint warning flagged by buildifier Change-Id: I43f6b82744788ffe6635abc3c06af57cf0629a5e