sudo: false
language: rust
rust:
    - beta
    - nightly
    - stable

matrix:
    allow_failures:
        - rust: nightly

before_install:
    - |
      c=$(git diff $(git merge-base master $TRAVIS_COMMIT)..$TRAVIS_COMMIT --name-only | cut -d "/" -f 1 | uniq)
      if [[ "$c" == "doc" ]]; then
          echo "Only changes in DOC, exiting 0"
          exit 0
      else
        echo "Changes in other directories than ./doc"
        echo "continue build..."
      fi

before_script:
    - |
        pip install 'travis-cargo<0.2' --user &&
        export PATH=$HOME/.local/bin:$PATH

script:
    - |
        changes_in() {
            [[ $(git diff --name-only $(git merge-base master $TRAVIS_COMMIT)..$TRAVIS_COMMIT | \
                cut -d "/" -f 1 | \
                grep "$n") ]] > /dev/null
        }

        travis_cargo_run_in() {
            echo ":: Trying to run cargo in $1"
            [[ -d "$1" ]] &&
            cd "$1" &&
            {
              travis-cargo build &&
              travis-cargo test &&
              travis-cargo bench &&
              travis-cargo --only stable doc &&
              cd -
            } || exit 1
        }

        run_sh_test() {
            echo "-- Running test script: $1"
              bash $1 || { echo "-- Test failed. Exiting"; exit 1; }
            echo "-- Test script $1 executed successfully"
        }

        [[ $(changes_in "doc") ]] && echo "Changes in ./doc are not build by CI"

        for d in $(find -name "Cargo.toml" | grep -vE "^./Cargo.toml$"); do
            echo ":: Working on $d"
            dir=$(dirname $d)
            { \
              changes_in $dir &&                      \
                echo -e "\nRunning in $d\n" &&        \
                travis_cargo_run_in $dir &&           \
                tree -I "*doc*" $dir &&               \
                echo "-- Running test scripts..." &&  \
                for testsh in $(find $dir -iname "*test.sh"); do
                  run_sh_test $testsh
                done && \
                echo "-- Done with test scripts..."
            } || true
        done

addons:
    apt:
        packages:
            - libcurl4-openssl-dev
            - libelf-dev
            - libdw-dev
            - tree

after_success:
    - travis-cargo --only stable doc-upload

notifications:
    email:
        on_success: never

env:
    global:
        - TRAVIS_CARGO_NIGHTLY_FEATURE=dev