language: python

# Cache pip objects to speed up next build
cache:
  pip: True
  directories:
    - $HOME/.ccache


# We need a newer version of zlib to build notmuch from source as is available
# in precise.
dist: trusty

python:
  # We can add more version strings here when we support other python
  # versions.
  - "2.7"

# We start two containers in parallel, one to check and build the docs and the
# other to run the test suite.
env:
  - JOB=docs
  - JOB=tests

addons:
  apt:
    packages:
      # The gpgme build files are needed by the gpgme python module
      # (a dependency of alot).
      - libgpgme11-dev
      # The notmuch libs are needed to actually run alot.  But currently the
      # available version is not compatible with alot, so we have to build
      # from source.
      #- notmuch
      # Dependencies to build notmuch from source.
      - libxapian-dev
      - libtalloc-dev
      - zlib1g-dev
      - libgmime-2.6-dev

# Build notmuch and the python notmuch libs manually.  The versions of the
# notmuch library and the python module which are available in the 12.04 and
# 14.04 Ubuntu repos do not match and do not fullfill the version requirement
# for alot.
before_install: |
  set -e
  if [[ $JOB = tests ]]; then
    # Build with ccache to speed up rebuilds.
    export PATH=/usr/lib/ccache:$PATH

    # Clone the notmuch repository and move into it.
    git clone git://notmuchmail.org/git/notmuch
    cd notmuch
    # Make and install the library.  We install the library without sudo as we
    # might want to switch to the travis container later.
    ./configure --prefix=$HOME/.local
    make
    make install
    # Export the library search path.
    export LD_LIBRARY_PATH=$HOME/.local/lib
    # Install the python bindings.
    cd bindings/python
    pip install .
    # Move out of the notmuch dir again.
    cd ../../..
  fi

# Prepare a minimal config file for the test.
before_script: |
  set -e
  if [[ $JOB = tests ]]; then
    touch ~/.notmuch-config
    echo 'initial_command=call os._exit(0)' > conf
  fi

# Install or mock dependencies for alot as the package has to be imported
# during generation of the docs.
install:
  # urwid needs to be installed first.  The installation of urwidtrees will
  # fail otherwise.
  # TODO This should be fixed upstream.
  - pip install urwid
  # Install alot and the dependencies it declares.
  - |
    set -e
    if [[ $JOB = docs ]]; then
      pip install configobj twisted python-magic urwidtrees
      # Mock all "difficult" dependencies of alot in order to be able to import
      # alot when rebuilding the documentation.  Notmuch would have to be
      # installed by hand in order to get a recent enough version on travis.
      printf '%s = None\n' NotmuchError NullPointerError > notmuch.py
      touch gpgme.py
      # install sphinx for building the html docs
      pip install sphinx==1.5.1
    else
      pip install .[test]
    fi

script: |
  set -e
  if [[ $JOB = docs ]]; then
    # First remove the auto generated documentation source files.
    make -C docs cleanall
    # Regenerate them (run "true" instead of sphinx-build to speed things up).
    make -C docs html SPHINXBUILD=true
    # Check that the generated docs where already commited.
    git diff --exit-code
    # Generate the html docs and turn all warnings into errors.
    make -C docs html SPHINXBUILD='sphinx-build -W'
  else
    alot --config conf
    python setup.py test
  fi

notifications:
    irc: "chat.freenode.net#alot"
    on_success: change