---
stages:
  - pull
  - base
  - dependencies
  - build
  - test
  - deploy

variables:
  SCCACHE_GCS_BUCKET: btm-build-cache
  SCCACHE_GCS_RW_MODE: READ_WRITE
  SCCACHE_GCS_KEY_PATH: /tmp/storage-key.json
  DOCKER_DRIVER: overlay2

before_script:
  - echo $GCS_STORAGE_KEY > $SCCACHE_GCS_KEY_PATH

.pull_images: &pull_images
  stage: pull
  allow_failure: true
  image: docker:stable
  services:
    - docker:dind
  script:
    - set -- $CI_JOB_NAME
    - export DISTRO=$2
    - export COMPILER=$3
    - "echo \"Distro: ${DISTRO}\nCompiler: ${COMPILER}\""
    - export DOCKER_HOST="${DOCKER_HOST:-tcp://localhost:2375/}"
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
    # Pull either the last ref slug, or latest, depending on which exists
    - docker pull $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_REF_SLUG || docker pull $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:latest
    # If ref slug exists, use that, otherwise fallback to latest tag
    - >
      docker tag
      $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_REF_SLUG
      $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA ||
      docker tag
      $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:latest
      $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA
    - docker push $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA

pull ubuntu clang-7: *pull_images
pull ubuntu clang-8: *pull_images
pull ubuntu gcc-5: *pull_images
pull ubuntu gcc-6: *pull_images
pull ubuntu gcc-7: *pull_images
pull ubuntu gcc-8: *pull_images
pull fedora gcc-8: *pull_images
pull fedora clang-7: *pull_images
pull centos6 gcc-7: *pull_images
pull centos7 gcc-7: *pull_images
pull centos7 gcc-8: *pull_images
pull centos7 clang-5: *pull_images

.docker_base_builder: &docker_base_builder
  retry:
    max: 2
    when:
      - runner_system_failure
      - stuck_or_timeout_failure
      - unknown_failure
      - api_failure
  stage: base
  image: docker:stable
  only:
    changes:
      - tests/dockerfiles/*
  services:
    - docker:dind
  before_script:
    - set -- $CI_JOB_NAME
    - export DISTRO=$2
    - "echo \"Distro: ${DISTRO}\nDocker base: ${DOCKER_BASE_IMAGE}\""
    - export DOCKER_HOST="${DOCKER_HOST:-tcp://localhost:2375/}"
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
    - docker pull $CI_REGISTRY_IMAGE/builder/$DISTRO-base:latest || true
    - >
      docker pull $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_REF_SLUG
      || true
    - >
      docker pull $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_SHA
      || true
  script:
    - cd tests/dockerfiles
    - docker pull $DOCKER_BASE_IMAGE || true
    - >
      docker build -f Dockerfile.$DISTRO-base
      --cache-from $CI_REGISTRY_IMAGE/builder/$DISTRO-base:latest
      --cache-from $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_REF_SLUG
      --cache-from $CI_REGISTRY_IMAGE/builder/$DISTRO-base:latest
      --tag $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_SHA
      --tag $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_REF_SLUG .
    - docker push $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_SHA
    - docker push $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_REF_SLUG

builder ubuntu base:
  <<: *docker_base_builder
  variables:
    DOCKER_BASE_IMAGE: ubuntu:bionic

builder fedora base:
  <<: *docker_base_builder
  variables:
    DOCKER_BASE_IMAGE: fedora:latest

builder centos6 base:
  <<: *docker_base_builder
  variables:
    DOCKER_BASE_IMAGE: centos:6

builder centos7 base:
  <<: *docker_base_builder
  variables:
    DOCKER_BASE_IMAGE: centos:7

.docker_builder: &docker_builder
  <<: *docker_base_builder
  stage: dependencies
  script:
    - set -- $CI_JOB_NAME
    - export DISTRO=$2
    - export COMPILER=$3
    - "echo \"Distro: ${DISTRO}\nCompiler: ${COMPILER}\""
    - cd tests/dockerfiles
    - >
      docker tag $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_SHA
      $CI_REGISTRY_IMAGE/builder/$DISTRO-base:latest
    - >
      docker pull $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA
      || true
    - >
      docker build -f Dockerfile.$DISTRO-$COMPILER
      --build-arg IMAGE=$CI_REGISTRY_IMAGE
      --cache-from $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:latest
      --cache-from $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA
      --tag $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA
      --tag $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_REF_SLUG .
    - docker push ${CI_REGISTRY_IMAGE}/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA
    - >
      docker push
      ${CI_REGISTRY_IMAGE}/builder/$DISTRO-$COMPILER:$CI_COMMIT_REF_SLUG

builder ubuntu clang-7: *docker_builder
builder ubuntu clang-8: *docker_builder
builder ubuntu gcc-5: *docker_builder
builder ubuntu gcc-6: *docker_builder
builder ubuntu gcc-7: *docker_builder
builder ubuntu gcc-8: *docker_builder
builder fedora gcc-8: *docker_builder
builder fedora clang-7: *docker_builder
builder centos6 gcc-7: *docker_builder
builder centos7 gcc-7: *docker_builder
builder centos7 gcc-8: *docker_builder
builder centos7 clang-5: *docker_builder

.build_stages: &build_stages
  retry:
    max: 2
    when:
      - runner_system_failure
      - stuck_or_timeout_failure
      - unknown_failure
      - api_failure
  image: $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA
  stage: build
  script:
    - "echo \"Distro: ${DISTRO}\nCompiler: ${COMPILER}\nCC: $CC\nCXX: $CXX\""
    - mkdir build
    - cd build
    - >
      cmake
      -DCMAKE_EXE_LINKER_FLAGS=$LINKER_FLAGS
      -DCMAKE_C_COMPILER_LAUNCHER=sccache
      -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
      -DMAINTAINER_MODE=ON
      -DBUILD_AUDACIOUS=$BUILD_AUDACIOUS
      -DBUILD_MYSQL=ON
      -DBUILD_LUA_IMLIB2=ON
      -DBUILD_LUA_RSVG=$BUILD_LUA_RSVG
      -DBUILD_LUA_CAIRO=$BUILD_LUA_CAIRO
      -DBUILD_XMMS2=$BUILD_XMMS2
      -DBUILD_ICAL=ON
      -DBUILD_IRC=ON
      -DBUILD_HTTP=ON
      -DBUILD_ICONV=ON
      -DBUILD_PULSEAUDIO=ON
      -DBUILD_JOURNAL=$BUILD_JOURNAL
      -DBUILD_RSS=ON
      -DBUILD_IRC=ON
      -DBUILD_NVIDIA=$BUILD_NVIDIA
      ..
    - make -j4

.build_variables: &build_variables
  CC: clang-7
  CXX: clang++-7
  LINKER_FLAGS: ""
  BUILD_AUDACIOUS: "ON"
  BUILD_XMMS2: "ON"
  BUILD_NVIDIA: "ON"
  BUILD_JOURNAL: "ON"
  BUILD_LUA_CAIRO: "ON"
  BUILD_LUA_RSVG: "ON"

ubuntu clang-7:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: ubuntu
    COMPILER: clang-7
    CC: clang-7
    CXX: clang++-7

ubuntu clang-8:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: ubuntu
    COMPILER: clang-8
    CC: clang-8
    CXX: clang++-8

ubuntu gcc-5:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: ubuntu
    COMPILER: gcc-5
    CC: gcc-5
    CXX: g++-5

ubuntu gcc-6:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: ubuntu
    COMPILER: gcc-6
    CC: gcc-6
    CXX: g++-6

ubuntu gcc-7:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: ubuntu
    COMPILER: gcc-7
    CC: gcc-7
    CXX: g++-7

ubuntu gcc-8:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: ubuntu
    COMPILER: gcc-8
    CC: gcc-8
    CXX: g++-8

fedora gcc-8:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: fedora
    COMPILER: gcc-8
    CC: gcc
    CXX: g++
    BUILD_AUDACIOUS: "OFF"

fedora clang-7:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: fedora
    COMPILER: clang-7
    CC: clang
    CXX: clang++
    BUILD_AUDACIOUS: "OFF"

centos6 gcc-7:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: centos6
    COMPILER: gcc-7
    CC: gcc
    CXX: g++
    CMAKE: cmake3
    BUILD_AUDACIOUS: "OFF"
    BUILD_XMMS2: "OFF"
    BUILD_NVIDIA: "OFF"
    BUILD_JOURNAL: "OFF"
    BUILD_LUA_CAIRO: "OFF"
    BUILD_LUA_RSVG: "OFF"
    # required because centos6 separates tinfo from ncurses
    LINKER_FLAGS: "-ltinfo"
  before_script:
    - source /opt/rh/devtoolset-7/enable

centos7 gcc-7:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: centos7
    COMPILER: gcc-7
    CC: gcc
    CXX: g++
    CMAKE: cmake3
    BUILD_AUDACIOUS: "OFF"
    BUILD_XMMS2: "OFF"
    BUILD_NVIDIA: "OFF"
    BUILD_JOURNAL: "OFF"
  before_script:
    - source /opt/rh/devtoolset-7/enable

centos7 gcc-8:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: centos7
    COMPILER: gcc-8
    CC: gcc
    CXX: g++
    CMAKE: cmake3
    BUILD_AUDACIOUS: "OFF"
    BUILD_XMMS2: "OFF"
    BUILD_NVIDIA: "OFF"
    BUILD_JOURNAL: "OFF"
  before_script:
    - source /opt/rh/devtoolset-8/enable

centos7 clang-5:
  <<: *build_stages
  variables:
    <<: *build_variables
    DISTRO: centos7
    COMPILER: clang-5
    CC: clang
    CXX: clang++
    BUILD_AUDACIOUS: "OFF"
    BUILD_XMMS2: "OFF"
    BUILD_NVIDIA: "OFF"
    BUILD_JOURNAL: "OFF"
  before_script:
    - source /opt/rh/llvm-toolset-7/enable

.freebsd_deps: &freebsd_deps
  retry:
    max: 2
    when:
      - runner_system_failure
      - stuck_or_timeout_failure
      - unknown_failure
      - api_failure
  tags:
    - freebsd12
  before_script:
    # Try up to 5 times until installation succeeds. It may be locked.
    - >
      for i in {1..6}; do
      sudo pkg install -y -q
      cairo
      docbook-xsl
      docbook2X
      gettext-runtime
      imlib2
      lcov
      libical
      libiconv
      libinotify
      libircclient
      libmicrohttpd
      librsvg2
      libX11
      libXdamage
      libXext
      libXfixes
      libXft
      libXinerama
      libxslt
      lua53
      mysql80-client
      pkgconf
      xmms2
      $COMPILER_PACKAGE 
      && break || sleep $(expr $i \* $i + 10); done

.freebsd_build_script: &freebsd_build_script
  script:
    - mkdir build
    - cd build
    - >
      cmake
      -DCMAKE_REQUIRED_INCLUDES="/usr/include;/usr/local/include"
      -DCMAKE_EXE_LINKER_FLAGS=$LINKER_FLAGS
      -DCMAKE_C_COMPILER_LAUNCHER=sccache
      -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
      -DMAINTAINER_MODE=ON
      -DBUILD_MYSQL=ON
      -DBUILD_LUA_IMLIB2=ON
      -DBUILD_LUA_RSVG=ON
      -DBUILD_LUA_CAIRO=ON
      -DBUILD_XMMS2=ON
      -DBUILD_ICAL=ON
      -DBUILD_IRC=ON
      -DBUILD_HTTP=ON
      -DBUILD_ICONV=ON
      -DBUILD_RSS=ON
      -DBUILD_IRC=ON
      ..
    - make -j4

freebsd12 gcc-8:
  <<: *freebsd_deps
  stage: build
  variables:
    DISTRO: freebsd12
    CC: gcc
    CXX: g++
    COMPILER_PACKAGE: gcc
  <<: *freebsd_build_script

freebsd12 clang-7:
  <<: *freebsd_deps
  stage: build
  variables:
    DISTRO: freebsd12
    CC: clang
    CXX: clang++
    COMPILER_PACKAGE: llvm70
  <<: *freebsd_build_script

.test_stages: &test_stages
  retry:
    max: 2
    when:
      - runner_system_failure
      - stuck_or_timeout_failure
      - unknown_failure
      - api_failure
  image: $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA
  stage: test

.test_run: &test_run
  script:
    - "echo \"Distro: ${DISTRO}\nCompiler: ${COMPILER}\nCC: $CC\nCXX: $CXX\""
    - mkdir build
    - cd build
    - >
      cmake
      -DCMAKE_C_COMPILER_LAUNCHER=sccache
      -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
      -DMAINTAINER_MODE=ON
      -DBUILD_TESTS=ON
      ..
    - make -j4
    - make -j4 test
    - if [ "$COMPILER" == "clang-7" ] ; then make -j4 test-conky-coverage-txt ; fi
    - if [ "$COMPILER" == "clang-7" ] ; then make -j4 test-conky-coverage-html ; fi
    - if [ "$COMPILER" == "clang-7" ] ; then lcov-summary test-conky-coverage-html.info.cleaned ; fi
  coverage: '/Total Coverage:\s+(\d+\.\d+)%/'
  artifacts:
    name: "$CI_JOB_NAME-$CI_COMMIT_REF_NAME-coverage-report"
    paths:
      - build/test-conky-coverage-html/

test ubuntu clang-7:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: ubuntu
    COMPILER: clang-7
    CC: clang-7
    CXX: clang++-7

test ubuntu clang-8:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: ubuntu
    COMPILER: clang-8
    CC: clang-8
    CXX: clang++-8

test ubuntu gcc-5:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: ubuntu
    COMPILER: gcc-5
    CC: gcc-5
    CXX: g++-5

test ubuntu gcc-6:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: ubuntu
    COMPILER: gcc-6
    CC: gcc-6
    CXX: g++-6

test ubuntu gcc-7:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: ubuntu
    COMPILER: gcc-7
    CC: gcc-7
    CXX: g++-7

test ubuntu gcc-8:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: ubuntu
    COMPILER: gcc-8
    CC: gcc-8
    CXX: g++-8

test fedora clang-7:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: fedora
    COMPILER: clang-7
    CC: clang
    CXX: clang++

test fedora gcc-8:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: fedora
    COMPILER: gcc-8
    CC: gcc
    CXX: g++

test centos6 gcc-7:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: centos7
    COMPILER: gcc-7
    CC: gcc
    CXX: g++
  before_script:
    - source /opt/rh/devtoolset-7/enable

test centos7 clang-5:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: centos7
    COMPILER: clang-5
    CC: clang
    CXX: clang++
  before_script:
    - source /opt/rh/llvm-toolset-7/enable

test centos7 gcc-7:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: centos7
    COMPILER: gcc-7
    CC: gcc
    CXX: g++
  before_script:
    - source /opt/rh/devtoolset-7/enable

test centos7 gcc-8:
  <<: *test_stages
  <<: *test_run
  variables:
    DISTRO: centos7
    COMPILER: gcc-8
    CC: gcc
    CXX: g++
  before_script:
    - source /opt/rh/devtoolset-8/enable

test freebsd12 clang-7:
  <<: *freebsd_deps
  <<: *test_run
  variables:
    DISTRO: freebsd12
    COMPILER: clang-7
    COMPILER_PACKAGE: llvm70
    CC: clang
    CXX: clang++

test freebsd12 gcc-8:
  <<: *freebsd_deps
  <<: *test_run
  variables:
    DISTRO: freebsd12
    COMPILER: gcc-8
    COMPILER_PACKAGE: gcc
    CC: gcc
    CXX: g++

check clang-tidy:
  <<: *test_stages
  variables:
    COMPILER: clang-7
    DISTRO: ubuntu
    CC: clang-7
    CXX: clang++-7
  script:
    - mkdir build
    - cd build
    - >
      cmake
      -DCMAKE_C_COMPILER_LAUNCHER=sccache
      -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
      -DMAINTAINER_MODE=ON
      -DCHECK_CODE_QUALITY=ON
      ..
    - make -j4
    - make -j4 check-clang-tidy

check clang-format:
  <<: *test_stages
  variables:
    COMPILER: clang-7
    DISTRO: ubuntu
    CC: clang-7
    CXX: clang++-7
  script:
    - mkdir build
    - cd build
    - >
      cmake
      -DCMAKE_C_COMPILER_LAUNCHER=sccache
      -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
      -DMAINTAINER_MODE=ON
      -DCHECK_CODE_QUALITY=ON
      ..
    - make -j4 check-clang-format

.push_base_images: &push_base_images
  retry:
    max: 2
    when:
      - runner_system_failure
      - stuck_or_timeout_failure
      - unknown_failure
      - api_failure
  stage: deploy
  image: docker:stable
  services:
    - docker:dind
  only:
    changes:
      - tests/dockerfiles/*
    refs:
      - master
      - tags
  before_script:
    - export DOCKER_HOST="${DOCKER_HOST:-tcp://localhost:2375/}"
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
  script:
    - set -- $CI_JOB_NAME
    - export DISTRO=$2
    - 'echo "Distro: ${DISTRO}"'
    - docker pull $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_SHA
    - >
      docker tag $CI_REGISTRY_IMAGE/builder/$DISTRO-base:$CI_COMMIT_SHA
      $CI_REGISTRY_IMAGE/builder/$DISTRO-base:latest
    - docker push $CI_REGISTRY_IMAGE/builder/$DISTRO-base:latest

push ubuntu base: *push_base_images
push centos6 base: *push_base_images
push centos7 base: *push_base_images
push fedora base: *push_base_images

.push_images: &push_images
  <<: *push_base_images
  only:
    changes:
      - tests/dockerfiles/*
    refs:
      - master
      - tags
  script:
    - set -- $CI_JOB_NAME
    - export DISTRO=$2
    - export COMPILER=$3
    - "echo \"Distro: ${DISTRO}\nCompiler: ${COMPILER}\""
    - docker pull $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA
    - >
      docker tag $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:$CI_COMMIT_SHA
      $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:latest
    - docker push $CI_REGISTRY_IMAGE/builder/$DISTRO-$COMPILER:latest

push ubuntu clang-7: *push_images
push ubuntu clang-8: *push_images
push ubuntu gcc-5: *push_images
push ubuntu gcc-6: *push_images
push ubuntu gcc-7: *push_images
push ubuntu gcc-8: *push_images
push fedora gcc-8: *push_images
push fedora clang-7: *push_images
push centos6 gcc-7: *push_images
push centos7 gcc-7: *push_images
push centos7 gcc-8: *push_images
push centos7 clang-5: *push_images