.travis.yml

# Language and cache settings
language: python
python: 2.7
cache:
  pip: true
  directories:
    - $HOME/.cache/apt

# Common install step
install:
  # Make sure pipefail
  - set -o pipefail
  # Set up apt to cache
  - mkdir -p $HOME/.cache/apt/partial
  - sudo rm -rf /var/cache/apt/archives
  - sudo ln -s $HOME/.cache/apt /var/cache/apt/archives
  # Set up ppa to make sure arm-none-eabi-gcc is the correct version
  - sudo add-apt-repository -y ppa:team-gcc-arm-embedded/ppa
  # Fix for "The following signatures were invalid: KEYEXPIRED 1515625755" failed". See https://github.com/travis-ci/travis-ci/issues/9037
  - sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6
  # Loop until update succeeds (timeouts can occur)
  - travis_retry $(! sudo apt-get update 2>&1 | grep Failed)
  # Finally install gcc-arm-embedded
  - sudo apt-get install gcc-arm-embedded
  # Get mbed-os
  - git clone https://github.com/armmbed/mbed-os.git
  # Install python dependencies
  - pip install -r mbed-os/requirements.txt

# CI matrix
jobs:
  include:
    # native testing
    - stage: test
      env:
        - NAME=code-snippets
      script:
        # Run script to validate code snippets
        - ./check_tools/find_bad_code_snippets.sh
        # Grep to find remaining TODOs
        - |
            TODO_COUNT=0
            for f in $(find -name mbed-os -prune -o -name '*.md' -print)
            do
                for l in $(sed -n '/```.*TODO/I=' $f)
                do
                    echo "TODO in $f line $l"
                    TODO_COUNT=$(expr $TODO_COUNT + 1)
                done
            done
            echo "Total number of TODOs: $TODO_COUNT"
        # Update status with number of found TODOs if we passed testing
        - |
            if [ "$TRAVIS_TEST_RESULT" -eq 0 ]
            then
                CURR=$TODO_COUNT
                PREV=$(curl -u "$MBED_BOT" https://api.github.com/repos/$TRAVIS_REPO_SLUG/status/master \
                    | jq -re "select(.sha != \"$TRAVIS_COMMIT\")
                        | .statuses[] | select(.context == \"$STAGE/$NAME\").description
                        | capture(\"(?<count>[0-9]+) TODOs\").count" \
                    || echo 0)
                STATUS="Passed, ${CURR} TODOs"
                if [ "$PREV" -ne 0 ]
                then
                    STATUS="$STATUS ($(python -c "print '%+d' % ($CURR-$PREV)") TODOs)"
                fi
            fi

# Manage statuses
before_install:
  - |
    curl -u "$MBED_BOT" -X POST \
        https://api.github.com/repos/$TRAVIS_REPO_SLUG/statuses/${TRAVIS_PULL_REQUEST_SHA:-$TRAVIS_COMMIT} \
        -d "{
            \"context\": \"travis-ci/$NAME\",
            \"state\": \"pending\",
            \"description\": \"${STATUS:-In progress}\",
            \"target_url\": \"https://travis-ci.org/$TRAVIS_REPO_SLUG/jobs/$TRAVIS_JOB_ID\"
        }"

after_failure:
  - |
    curl -u "$MBED_BOT" -X POST \
        https://api.github.com/repos/$TRAVIS_REPO_SLUG/statuses/${TRAVIS_PULL_REQUEST_SHA:-$TRAVIS_COMMIT} \
        -d "{
            \"context\": \"travis-ci/$NAME\",
            \"state\": \"failure\",
            \"description\": \"${STATUS:-Failed}\",
            \"target_url\": \"https://travis-ci.org/$TRAVIS_REPO_SLUG/jobs/$TRAVIS_JOB_ID\"
        }"

after_success:
  - |
    curl -u "$MBED_BOT" -X POST \
        https://api.github.com/repos/$TRAVIS_REPO_SLUG/statuses/${TRAVIS_PULL_REQUEST_SHA:-$TRAVIS_COMMIT} \
        -d "{
            \"context\": \"travis-ci/$NAME\",
            \"state\": \"success\",
            \"description\": \"${STATUS:-Passed}\",
            \"target_url\": \"https://travis-ci.org/$TRAVIS_REPO_SLUG/jobs/$TRAVIS_JOB_ID\"
        }"

# Job control
stages:
    - name: test