Bazel: Use Java 8 per default to guarantee source level compatibility

At the time the change 264535 was submitted, that switched Java default
to Java 11, not all Gerrit users were ready to abandon Java 8
compatibility. To provide Java 8 compatibility it was decided to perform
CI verification with Java 8, by overriding the java toolchain option
on GerritForge CI (core build) and Zuul (plugins build).

Today the situation is different. Starting from stable-3.5 branch Java 8
compatibility has been dropped. Still we guarantee the Java 8
compatibility on stable-3.3 and stable-3.4 branches. To achieve this,
the java toolchain option is overridden on stable-3.3 and stable-3.4
branches on the CI.

To simplify the build toolchain and the CI configurations, we would like
to rely only on the default java toolchain (provided in .bazelrc) to be
the minimum guaranteed compatible Java version (on each branch).

That way the default bazel invocation:

  $ bazel build :release

would always provide the desired result per default.

This change should be reverted when merged up to stable-3.5 branch.

To summarize:

before this change is submitted, the situation is:

stable-3.3: default toolchain: Java 11, guaranteed compatibility: Java 8
stable-3.4: default toolchain: Java 11, guaranteed compatibility: Java 8
from stable-3.5: default toolchain/guaranteed compatibility: Java 11

after this change is submitted, merged to stable-3.4 branch and reverted
started from stable-3.5 branch, the situation is:

stable-3.3: default toolchain/guaranteed compatibility: Java 8
stable-3.4: default toolchain/guaranteed compatibility: Java 8
from stable-3.5: default toolchain/guaranteed compatibility: Java 11

Change-Id: Ieb0d627ce5f4d2753fe637fb67123e6431796940
2 files changed
tree: c417d9541a367b0005ac13deddd6bd57fcf67655
  1. .settings/
  2. .ts-out/
  3. antlr3/
  4. contrib/
  5. Documentation/
  6. e2e-tests/
  7. java/
  8. javatests/
  9. lib/
  10. modules/
  11. plugins/
  12. polygerrit-ui/
  13. prolog/
  14. prologtests/
  15. proto/
  16. resources/
  17. tools/
  18. webapp/
  19. .bazelignore
  20. .bazelproject
  21. .bazelrc
  22. .bazelversion
  23. .editorconfig
  24. .git-blame-ignore-revs
  25. .gitignore
  26. .gitmodules
  27. .gitreview
  28. .mailmap
  29. .pydevproject
  30. .zuul.yaml
  31. BUILD
  32. COPYING
  33. INSTALL
  34. Jenkinsfile
  35. package.json
  36. README.md
  37. SUBMITTING_PATCHES
  38. version.bzl
  39. WORKSPACE
  40. yarn.lock
README.md

Gerrit Code Review

Gerrit is a code review and project management tool for Git based projects.

Build Status Maven Central

Objective

Gerrit makes reviews easier by showing changes in a side-by-side display, and allowing inline comments to be added by any reviewer.

Gerrit simplifies Git based project maintainership by permitting any authorized user to submit changes to the master Git repository, rather than requiring all approved changes to be merged in by hand by the project maintainer.

Documentation

For information about how to install and use Gerrit, refer to the documentation.

Source

Our canonical Git repository is located on googlesource.com. There is a mirror of the repository on Github.

Reporting bugs

Please report bugs on the issue tracker.

Contribute

Gerrit is the work of hundreds of contributors. We appreciate your help!

Please read the contribution guidelines.

Note that we do not accept Pull Requests via the Github mirror.

Getting in contact

The Developer Mailing list is repo-discuss on Google Groups.

License

Gerrit is provided under the Apache License 2.0.

Build

Install Bazel and run the following:

    git clone --recurse-submodules https://gerrit.googlesource.com/gerrit
    cd gerrit && bazel build release

Install binary packages (Deb/Rpm)

The instruction how to configure GerritForge/BinTray repositories is here

On Debian/Ubuntu run:

    apt-get update & apt-get install gerrit=<version>-<release>

NOTE: release is a counter that starts with 1 and indicates the number of packages that have been released with the same version of the software.

On CentOS/RedHat run:

    yum clean all && yum install gerrit-<version>[-<release>]

On Fedora run:

    dnf clean all && dnf install gerrit-<version>[-<release>]

Use pre-built Gerrit images on Docker

Docker images of Gerrit are available on DockerHub

To run a CentOS 8 based Gerrit image:

    docker run -p 8080:8080 gerritcodereview/gerrit[:version]-centos8

To run a Ubuntu 20.04 based Gerrit image:

    docker run -p 8080:8080 gerritcodereview/gerrit[:version]-ubuntu20

NOTE: release is optional. Last released package of the version is installed if the release number is omitted.