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Getting the Most Out of Travis

http://preaction.github.io/Getting-The-Most-From-Travis-CI-For-Perl/

How to get the most out of Travis CI for your Perl project.

Getting the Most Out of Travis

Travis-CI

Continuous Integration

Automated Testing

Test Every Change

For Github

Free!

Config file

.travis.yml

language: perl
perl:
    - "5.16"
    - "5.18"
    - "5.20"
sudo: false
before_install:
    - eval $(curl https://travis-perl.github.io/init) --auto

language: perl

Travis supports many languages

perl:

Array of versions

- 5.20

Latest 5.20 prebuilt

Travis-built

Details of Perl VM images

Contains non-core modules!

For performance

Build Time Limit!

50 minutes

- 5.20.1

Clean, pre-built

No non-core modules

Slower build

- 5.20.1-thr

Perl with threading

- dev

Latest dev perl (5.23.x)

- blead

Build Perl from git

sudo: false

Disable sudo for speed

Travis Containers

Ubuntu 12.04 LTS Server Edition 64 bit

Virtualization details

No sudo, easy cleanup

Use sudo

Install prereqs

apt-get

before_install:

eval $(curl https://travis-perl.github.io/init) --auto

Travis Perl Helpers

Automatically build

Run tests

Any CPAN-style dist

Makefile.PL

ExtUtils::MakeMaker

Build.PL

Module::Build et. al.

dist.ini

Dist::Zilla

Enable Travis

Sign in with Github

Add a Repository

Flick the switch

And you're done!

Build Phases

before_install:
  - eval $(curl https://travis-perl.github.io/init) --auto

Short version

Long version

before_install:
  - git clone git://github.com/travis-perl/helpers ~/travis-perl-helpers
  - source ~/travis-perl-helpers/init
  - build-perl
  - perl -V
  - build-dist
  - cd $BUILD_DIR

Set up build environment

install:
  - cpan-install --deps
  - cpan-install --coverage

Install prereqs

before_script:
  - coverage-setup
script:
  - prove -l -j$(test-jobs) $(test-files)
after_success:
  - coverage-report

Run the build

Customize Build

Build Matrix

Finer Control

Special environment

Coverage Reports

matrix:
    include:
        - perl: 5.18
          env: COVERAGE=1

Sends to coveralls.io

Also free!

Optional Prereqs

Devel::Hide

Hide modules from require

before_install:
    # ...
    - cpan-install Devel::Hide

Install Devel::Hide

script:
    # ...
    - export PERL5OPT="-MDevel::Hide"
    - export DEVEL_HIDE_VERBOSE=0

Load Devel::Hide for every build

matrix:
    include:
        - perl: "5.20"
          env: DEVEL_HIDE_PM="My::Hidden"

Hide modules in the matrix

More Ideas

Build custom Perl

Travis comes with Perlbrew

Perl forks

cperl, stableperl, pumpkin perl

Customize Notifications

E-mail, IRC, Slack, HipChat, Webhooks

Questions?

More info:

This talk: