Travis CI生命周期以及不同阶段运行失败会导致生么构建结果。

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The Build Lifecycle

A build on Travis CI is made up of two steps:

  1. install: install any dependencies required
  2. script: run the build script

You can run custom commands before the installation step (before_install),
and before (before_script)
or after (after_script)
the script step.

In a before_install step,
you can install additional dependencies required by your project such as Ubuntu packages or custom services.

You can perform additional steps when your build succeeds or fails using the after_success (such
as building documentation, or deploying to a custom server) or after_failure (such
as uploading log files) options. In both after_failure and after_success,
you can access the build result using the $TRAVIS_TEST_RESULT environment

The complete build lifecycle, including three optional deployment steps and after checking out the git repository and changing to the repository directory, is:

  1. OPTIONAL Install apt
  2. OPTIONAL Install cache
  3. before_install
  4. install
  5. before_script
  6. script
  7. OPTIONAL before_cache (for
    cleaning up cache)
  8. after_success or after_failure
  9. OPTIONAL before_deploy
  10. OPTIONAL deploy
  11. OPTIONAL after_deploy
  12. after_script

Breaking the Build

If any of the commands in the first four stages of the build lifecycle return a non-zero exit code, the build is broken:

  • If before_installinstall or before_script return
    a non-zero exit code, the build is errored and stops immediately.
  • If script returns
    a non-zero exit code, the build is failed, but continues to run before being marked as failed.

The exit code of after_successafter_failureafter_script and
subsequent stages do not affect the build result. However, if one of these stages times out, the build is marked as a failure.

You can run steps before a deploy by using the before_deploy phase.
A non-zero exit code in this phase will mark the build as errored.

If there are any steps you’d like to run after the deployment, you can use the after_deploy phase.

Build Timeouts

It is very common for test suites or build scripts to hang. Travis CI has specific time limits for each job, and will stop the build and add an error message to the build log in the following situations:

  • A job produces no log output for 10 minutes
  • A job on takes longer than 50 minutes
  • A job on takes longer than 120 minutes

Some common reasons why builds might hang:

  • Waiting for keyboard input or other kind of human interaction
  • Concurrency issues (deadlocks, livelocks and so on)
  • Installation of native extensions that take very long time to compile

There is no timeout for a build; a build will run as long as all the jobs do as long as each job does not timeout.

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