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CI scripts for GAP packages

This repository contains scripts which GAP package can use to implement continuous integration test with Travis CI, and code coverage with Codecov.

Initial setup

  • If your package is not part of the gap-packages github organization, you need to activate Travis and Codecov for your repository. You can do so on the following pages; note that both services are free for open source projects; and you can
    login to each using your GitHub account

  • you need to add .travis.yml; an example is given in the next section

  • optionally, you can add a .codecov.yml file to tweak the Codecov settings

TODO: elaborate? Ideally have some people who are not yet familiar with the CI setup try the above, and use their feedback to find out what kind of information would be useful...

Upgrading to a newer version

TODO: decide how to do this: use subtree merges? Or perhaps we should remove those scripts dirs, and instead each .travis.yml should start with

git clone https://github.com/gap-system/pkg-ci-scripts.git scripts

Example Travis CI integration

Example content for .travis.yml

language: c
env:
  global:
    - GAP_PKGS_TO_CLONE="rcwa"
    - GAP_PKGS_TO_BUILD="io profiling"  # optional

addons:
  apt_packages:
    - libgmp-dev
    - libreadline-dev
    - zlib1g-dev

matrix:
  include:
    - env: GAPBRANCH=master
    - env: GAPBRANCH=stable-4.9
    - env: GAPBRANCH=stable-4.10

before_script:
  - git clone https://github.com/gap-system/pkg-ci-scripts.git scripts
  - scripts/build_gap.sh
script:
  - scripts/build_pkg.sh && scripts/run_tests.sh
after_script:
  - scripts/gather-coverage.sh
  - bash <(curl -s https://codecov.io/bash)

FAQ

Q: How can I ensure other required GAP packages get compiled?

A: Set the GAP_PKGS_TO_BUILD environment variable before running build_gap.sh to a string listing the (start of the) directory names of the packages you need compiled. Make sure to always include io and profiling in this list, as these are needed for generating code coverage.

Example: If you need the cvec package, you can add this in a suitable place in your .travis.yml:

GAP_PKGS_TO_BUILD="io profiling cvec"

Then this will compile all packages whose package directory name starts with "io", "profiling" or "cvec". This "starts with" rule is intended to support packages where the directory name contains the version.

Q: How can I install a development version of another package needed for the CI tests?

A: If you need the latest development version of another package in order for your CI tests to run successfully, this can be achieved by setting the GAP_PKGS_TO_CLONE environment variable to a list of package names or URLs, separated by spaces. For example, if you set

GAP_PKGS_TO_CLONE="mypkg1 myuser/mypkg2 https://gitlab.com/myuser/mypkg3"

This will clone packages from the following three URLs:

Don't forget to also add any package that needs to be compiled to GAP_PKGS_TO_BUILD.

Q: How can I enable (or disable) code coverage reporting?

TODO: mention .codecov.yml (perhaps also Coveralls); also NO_COVERAGE

Q: What are all special environment variables that affect these scripts?

  • COVDIR -- set to the directory into which coverage results shall be stored
  • GAP_BOOTSTRAP -- set to minimal or full to install the respective set of GAP packages (default: full)
  • GAP_CONFIGFLAGS -- optional configure flags to pass to GAP's configure script
  • GAP_PKGS_TO_BUILD -- see above for an explanation
  • GAP_PKGS_TO_CLONE -- see above for an explanation
  • GAPFORK -- the GitHub fork of GAP to use (default: gap-system)
  • GAPBRANCH -- the GAP branch to use (default: master)
  • GAPROOT -- the the location GAP is (to be) installed at (default: $HOME/gap)
  • GAP_TESTFILE -- the file read by run_tests.sh (default: tst/testall.g)
  • HPCGAP -- set to yes to run tests with HPC-GAP
  • NO_COVERAGE -- set to any value to disable coverage generation and uploading

Contact

Please submit bug reports, suggestions for improvements and patches via the issue tracker.

Copyright and license

Copyright (C) 2017-2021 Max Horn Copyright (C) 2017-2021 The GAP Team

This code is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

For details see the file COPYING.