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**WARNING:** This document is a work in progress and intended as a RFC.
If you are not a Coq Developer, don't follow this instructions yet.
Introduction
============
The Coq Travis CI infrastructure is meant to provide lightweight
automatics testing of pull requests.
More comprehensive testing is the responsability of Coq's [Jenkins CI
server](https://ci.inria.fr/coq/) see, [XXX: add document] for
instructions on how to add your development to Jenkins.
How to submit your development for Coq Travis CI
================================================
Travis CI provides a convenient way to perform testing of Coq changes
versus a set of curated libraries.
Are you an author of a Coq library who would be interested in having
the latest Coq changes validated against your development?
If so, keep reading! Getting Coq changes tested against your library
is easy, all that you need to do is:
1.- Put you development in a public repository tracking coq trunk.
2.- Make sure that your development builds in less than 35 minutes.
3.- Submit a PR adding you development.
4.- ?
5.- Profit! Your library is now part of Coq's continous integration!
Note that by partipating in this program, you assume a reasonable
compromise to discuss and eventually integrate compatibility changes
upstream.
Get in touch with us to discuss any special need your development may
have.
Maintaining your contribution manually [current method]
======================================
To add your contribution to the Coq Travis CI set, add a script for
building your library to `dev/ci/`, update `.travis.yml` and
`Makefile.ci`. Then, submit a PR.
Maintaining your contribution as an OPAM package [work in progress] [to be implemented]
================================================
You can also provide an opam package for your contribution XXX at
https://github.com/coq/opam-coq-archive
Then, add a `ci-opam-XXX` target to the `.travis.yml` file, the
package XXX.dev will be tested against each Coq commit and pull
request.
- TODO: The main question here is what to do with `.opam` caching. We
could disable it altogether, however this will have an impact. We
could install a dummy Coq package, but `coq-*` dependencies will be
botched too. Need to think more.
PR Overlays [work in progress] [to be implemented]
===========
It is common for PR to break some of the external tests. To this
purpose, we provide a method for particular PR to overlay the
repositories of some of the tests so they can provide fixed
developments.
The general idea is that the PR author will drop a file
`dev/ci/overlays/$branch.overlay` where branch name is taken from
`${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH}`
that is to say, the name of the original branch for the PR.
The `.overlay` file will contain a set of variables that will be used
to do the corresponding `opam pin` or to overload the corresponding
git repositories, etc...
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