[jira] [Created] (AIRFLOW-5004) Stable/test image should be selectable via TRAVIS_BRANCH environment variable

["Jarek Potiuk (JIRA)" <ji...@apache.org>]

Jarek Potiuk created AIRFLOW-5004:
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             Summary: Stable/test image should be selectable via TRAVIS_BRANCH environment variable
                 Key: AIRFLOW-5004
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-5004
             Project: Apache Airflow
          Issue Type: Improvement
          Components: ci
    Affects Versions: 1.10.4
            Reporter: Jarek Potiuk


When building CI images you need to know whether you use v1-10-test or v1-10-stable branch (and use corresponding image).

Currently the default branch is read from _default_branch.sh . This is not a problem for master/v1-10-test distinction because those are in different "physical" branches, but v1-10-stable and v1-10-test are actually following one-another (v1-10-test moves first and when several commits pass, then stable branch follows).

Therefore we need to utilise TRAVIS_BRANCH variable - this variable works in two modes - for PRs it is the branch that the PR is going to be merged to, whereas for triggered builds it's the branch from which the build was triggered. This is perfect for us to determine which image should be used during build.



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