1u0 opened a new pull request #9065: [FLINK-13102][travis] Optimize some travis stages by skipping mvn verify if possible URL: https://github.com/apache/flink/pull/9065 ## What is the purpose of the change This PR minimizes total Travis CI time for pull request triggered builds by skipping `mvn verify` steps for non `python` and `misc` jobs in Travis `test` stage. ## Brief change log - added script to build `mvn` dependencies tree and list all changed files in a PR build run. This happens at the very first `compile` stage; - added script to detect if `mvn verify` can be skipped for given list of maven modules and list of changed files. ## Verifying this change This change can be verified as follows: - run different PRs (build in Travis CI) with this changes included and manually verifying that build is correct and some tests are not run because changes in a PR are not affecting them. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
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