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CONTRIBUTING.md

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Contributing to Bob

Contributions are welcomed! Please read the following to get started.

License

Contributions to this project are accepted under the Apache 2.0 license.

Please also ensure that each commit in the series has at least one Signed-off-by: line, using your real name and email address. The names in the Signed-off-by: and Author: lines must match. If anyone else contributes to the commit, they must also add their own Signed-off-by: line. By adding this line the contributor certifies the contribution is made under the terms of the Developer Certificate of Origin (DCO).

Making changes

Coding Style

  • Please use the gofmt and bpfmt tools when formatting Go and Blueprint files, respectively.
  • For other languages (e.g. Python and Mconfig), please attempt to be consistent with the existing style.

Testing

Bob has three kinds of tests:

  • The tests directory, containing a collection of different modules which should all build, or be deliberately disabled. Please test this on Linux or Android.

    • Linux: (run inside Bob directory)

      cd tests
./bootstrap_linux
./build/config
./build/buildme

      (thereafter just run buildme)

    • Android: (substitute variables appropriately - $ANDROID_TOP is a full checkout of the Android source code)

      # Usual Android setup - envsetup/lunch/etc
mkdir -p $ANDROID_TOP/external/bob
bindfs -n $BOB_LOCATION $ANDROID_TOP/external/bob
cd $ANDROID_TOP/external/bob/tests
./bootstrap_androidbp
mm

      (thereafter just run mm)

  • Go unit tests, which can be run using go test after running setup_workspace_for_bob.bash:

    export GOPATH=~/go
./scripts/setup_workspace_for_bob.bash
go test github.com/ARM-software/bob-build/core \
        github.com/ARM-software/bob-build/internal/escape \
        github.com/ARM-software/bob-build/internal/graph \
        github.com/ARM-software/bob-build/internal/utils
# OR:
cd $GOPATH/src/github.com/ARM-software/bob-build
go test ./core ./internal/escape ./internal/graph ./internal/utils

  • The configuration system tests:

    ./config_system/tests/run_tests.py
./config_system/tests/run_tests_formatter.py
pytest ./config_system

    These tests require the pytest, pytest-catchlog, pytest-mock and mock Python packages.

    Note: Do not run pytest in the top-level bob-build directory; it will fail during test discovery because of the recursive symlink inside the main Bob tests directory.

If your contribution is a bugfix, please consider adding a new test to prevent future regressions.

Submitting changes

  • Create a pull request to the master branch.
  • All submissions will require code review before merging.
  • As mentioned above, please ensure your commit message contains a Signed-off-by tag.