name: $(Build.SourceBranch)-$(date:yyyyMMdd)$(rev:.r)
trigger:
  branches:
    include:
    - 'master'
  tags:
    include:
    - '*'
    exclude:
      - 'dev'

jobs:
- job: rustfmt
  pool:
    vmImage: 'macos-10.14'
  steps:
  - checkout: self
    submodules: true
  - template: ci/azure-install-rust.yml
  - script: rustup component add rustfmt
    displayName: Add rustfmt
  - script: cargo fmt --all -- --check
    displayName: Check formatting
  variables:
    toolchain: stable

# Smoke test to build docs on one builder, using OSX for now since it's the
# fastest
- job: docs
  pool:
    vmImage: 'macos-10.14'
  steps:
  - checkout: self
    submodules: true
  - template: ci/azure-install-rust.yml
  - script: cargo doc
    displayName: Build documentation
  variables:
    toolchain: stable

- job: Test
  strategy:
    matrix:
      windows-stable:
        imageName: 'vs2017-win2016'
        toolchain: stable
      linux-stable:
        imageName: 'ubuntu-16.04'
        toolchain: stable
      mac-stable:
        imageName: 'macos-10.14'
        toolchain: stable
      mac-beta:
        imageName: 'macos-10.14'
        toolchain: beta
      mac-nightly:
        imageName: 'macos-10.14'
        toolchain: nightly

  pool:
    vmImage: $(imageName)

  steps:
    - checkout: self
      submodules: true
    - template: ci/azure-install-rust.yml

    - script: |
        powershell -Command "$ProgressPreference = 'SilentlyContinue'; iwr -outf %TEMP%\LLVM-8.0.0-win64.exe https://rust-lang-ci2.s3.amazonaws.com/rust-ci-mirror/LLVM-8.0.0-win64.exe"
        %TEMP%\LLVM-8.0.0-win64.exe /S /NCRC
      condition: eq(variables['Agent.OS'], 'Windows_NT')
      displayName: Install clang (Windows)

    - script: cargo fetch
      displayName: Fetch cargo dependencies

    # Build and test all features except for lightbeam
    - bash: cargo test --all --exclude lightbeam --exclude wasmtime-wasi-c
      displayName: Cargo test
      env:
        RUST_BACKTRACE: 1

    # Build and test lightbeam if we're using the nightly toolchain
    - bash: cargo build --package lightbeam
      displayName: Cargo build lightbeam
      condition: and(succeeded(), eq(variables['toolchain'], 'nightly'))
    - bash: cargo test --package lightbeam
      displayName: Cargo test lightbeam
      # Lightbeam tests fail right now, but we don't want to block on that.
      continueOnError: true
      condition: and(succeeded(), eq(variables['toolchain'], 'nightly'))
      env:
        RUST_BACKTRACE: 1

- job: Build
  strategy:
    matrix:
      windows:
        imageName: 'vs2017-win2016'
        # Statically link against msvcrt to produce slightly more portable
        # binaries on Windows by reducing our binary compatibility requirements.
        RUSTFLAGS: -Ctarget-feature=+crt-static
      linux:
        imageName: 'ubuntu-16.04'
      mac:
        imageName: 'macos-10.14'
        # Lower the deployment target from our build image in an attempt to
        # build more portable binaries that run on older releases. Note that
        # 10.9 here is arbitrarily chosen and just happens to be the lowest that
        # works at this time. Raising this is probably fine.
        MACOSX_DEPLOYMENT_TARGET: 10.9

  variables:
    toolchain: stable

  pool:
    vmImage: $(imageName)

  # variables:
    # SCCACHE_DIR: $(Pipeline.Workspace)/.sccache
    # RUSTC_WRAPPER: sccache

  steps:
    - checkout: self
      submodules: true
    - template: ci/azure-install-rust.yml

    - bash: echo "##vso[task.setvariable variable=RUSTC_VERSION;]`rustc --version`"
      displayName: Set rustc version string for caching

    - script: |
        powershell -Command "$ProgressPreference = 'SilentlyContinue'; iwr -outf %TEMP%\LLVM-8.0.0-win64.exe https://rust-lang-ci2.s3.amazonaws.com/rust-ci-mirror/LLVM-8.0.0-win64.exe"
        %TEMP%\LLVM-8.0.0-win64.exe /S /NCRC
      condition: eq(variables['Agent.OS'], 'Windows_NT')
      displayName: Install clang (Windows)

    # - bash: |
    #     set -e
    #     curl -Lfo sccache.tar.gz https://github.com/mozilla/sccache/releases/download/0.2.9/sccache-0.2.9-x86_64-apple-darwin.tar.gz
    #     tar -xzf sccache.tar.gz
    #     cp sccache-*/sccache /usr/local/bin/
    #   displayName: Install sccache (OSX)
    #   condition: and(succeeded(), eq(variables['Agent.OS'], 'Darwin'))

    # - bash: |
    #     set -e
    #     curl -Lfo sccache.tar.gz https://github.com/mozilla/sccache/releases/download/0.2.9/sccache-0.2.9-x86_64-unknown-linux-musl.tar.gz
    #     tar -xzf sccache.tar.gz
    #     sudo cp sccache-*/sccache /usr/local/bin/
    #   displayName: Install sccache (Linux)
    #   condition: and(succeeded(), eq(variables['Agent.OS'], 'Linux'))

    # - script: |
    #     curl -Lfo sccache.tar.gz https://github.com/mozilla/sccache/releases/download/0.2.9/sccache-0.2.9-x86_64-pc-windows-msvc.tar.gz
    #     tar -xzf sccache.tar.gz
    #     move sccache-* sccache
    #     echo "##vso[task.prependpath]%CD%\sccache"
    #   displayName: Install sccache (Windows)
    #   condition: and(succeeded(), eq(variables['Agent.OS'], 'Windows_NT'))

    - bash: cargo build --release
      displayName: Cargo build

    # Test what we're about to release in release mode itself. This tests
    # everything except lightbeam which requires nightly which happens above.
    - bash: cargo test --release --all --exclude lightbeam --exclude wasmtime-wasi-c
      displayName: Cargo test
      env:
        RUST_BACKTRACE: 1

    # - script: sccache --show-stats
    #   displayName: post-compile sccache stats

    - bash: |
        echo "##vso[task.setvariable variable=tagName;]`echo $BUILD_SOURCEBRANCH | sed -e 's|refs/tags/||'`"
      displayName: Set tag name
      condition: startsWith(variables['Build.SourceBranch'], 'refs/tags/')
    - bash: |
        echo "##vso[task.setvariable variable=tagName;]dev"
      displayName: Set tag name to "dev"
      condition: not(startsWith(variables['Build.SourceBranch'], 'refs/tags/'))

    - bash: echo "##vso[task.setvariable variable=basename;]wasmtime-$(tagName)-x86_64-windows"
      displayName: Configure basename var
      condition: and(succeeded(), eq(variables['Agent.OS'], 'Windows_NT'))
    - bash: echo "##vso[task.setvariable variable=basename;]wasmtime-$(tagName)-x86_64-apple"
      displayName: Configure basename var
      condition: and(succeeded(), eq(variables['Agent.OS'], 'Darwin'))
    - bash: echo "##vso[task.setvariable variable=basename;]wasmtime-$(tagName)-x86_64-linux"
      displayName: Configure basename var
      condition: and(succeeded(), eq( variables['Agent.OS'], 'Linux' ))

    - bash: |
        set -e
        mkdir -p $BUILD_BINARIESDIRECTORY/$BASENAME
        if [ "$AGENT_OS" = "Windows_NT" ]; then
          ext=.exe
        fi
        cp LICENSE README.md target/release/{wasmtime,wasm2obj}$ext $BUILD_BINARIESDIRECTORY/$BASENAME
      displayName: Copy binaries
    - task: ArchiveFiles@2
      inputs:
        rootFolderOrFile: $(Build.BinariesDirectory)/$(basename)
        archiveType: 'zip'
        archiveFile: '$(Build.ArtifactStagingDirectory)/$(basename).zip'
      displayName: Archive files (Win)
      condition: and(succeeded(), eq(variables['Agent.OS'], 'Windows_NT'))
    - task: ArchiveFiles@2
      inputs:
        rootFolderOrFile: $(Build.BinariesDirectory)/$(basename)
        archiveType: 'tar'
        tarCompression: 'xz'
        archiveFile: '$(Build.ArtifactStagingDirectory)/$(basename).tar.xz'
      displayName: Archive files (Unix)
      condition: and(succeeded(), ne(variables['Agent.OS'], 'Windows_NT'))
    - task: PublishPipelineArtifact@1
      inputs:
        path: $(Build.ArtifactStagingDirectory)/
        artifactName: 'bundle-$(Agent.OS)'

- job: Publish
  dependsOn: Build
  condition: and(succeeded(), in(variables['Build.Reason'], 'IndividualCI', 'BatchedCI'))
  steps:
  # Checking out the sources is needed to be able to delete the "dev" tag, see below.
  - checkout: self
    persistCredentials: true
    submodules: false
  - task: DownloadPipelineArtifact@1
    inputs:
      targetPath: $(Build.ArtifactStagingDirectory)
  - script: |
      echo "##vso[task.setvariable variable=tagName;]`echo $BUILD_SOURCEBRANCH | sed -e 's|refs/tags/||'`"
    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags/')
  - task: GitHubRelease@0
    inputs:
      gitHubConnection: 'tschneidereit-releases'
      target: '$(Build.SourceVersion)'
      tagSource: 'manual'
      tag: '$(tagName)'
      title: 'Wasmtime $(tagName)'
      assets: '$(Build.ArtifactStagingDirectory)/**'
      isDraft: false
      isPreRelease: true
    condition: and(startsWith(variables['Build.SourceBranch'], 'refs/tags/'),
                   ne(variables['Build.SourceBranch'], 'refs/tags/dev'))

  # GitHub doesn't support doing rolling releases for branch.
  # To simulate that for dev builds, always do a release for the "dev" tag.
  # While the `edit` action for the GitHubRelease task would replace any assets
  # associated with the tag, it wouldn't update the tag itself. Hence, delete the
  # tag if it exists, and re-create it every time.
  # Also explicitly delete the GitHub release, which would otherwise turn into a draft
  # and linger forever.
  - task: GitHubRelease@0
    inputs:
      gitHubConnection: 'tschneidereit-releases'
      action: 'delete'
      tag: 'dev'
    # This might fail in case the target repo doesn't yet have this tag, which is fine.
    continueOnError: true
    condition: in(variables['Build.SourceBranch'], 'refs/heads/master', 'refs/tags/dev')
  - script: |
      git -c http.extraheader="AUTHORIZATION: basic ***" push origin :dev
    # This might fail in case the target repo doesn't yet have this tag, which is fine.
    continueOnError: true
    condition: in(variables['Build.SourceBranch'], 'refs/heads/master', 'refs/tags/dev')
  - task: GitHubRelease@0
    inputs:
      gitHubConnection: 'tschneidereit-releases'
      action: 'create'
      target: '$(Build.SourceVersion)'
      tag: 'dev'
      tagSource: 'manual'
      title: 'Latest CI build'
      assets: '$(Build.ArtifactStagingDirectory)/**'
      isDraft: false
      isPreRelease: true
    condition: in(variables['Build.SourceBranch'], 'refs/heads/master', 'refs/tags/dev')