version: '{build}.{branch}'

skip_branch_with_pr: true

clone_folder: c:\deno
clone_depth: 1

environment:
  APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
  DENO_BUILD_MODE: debug
  DENO_BUILD_PATH: $(APPVEYOR_BUILD_FOLDER)\out\debug
  DENO_THIRD_PARTY_PATH: $(APPVEYOR_BUILD_FOLDER)\third_party
  CARGO_HOME: $(USERPROFILE)\.cargo
  RUSTUP_HOME: $(USERPROFILE)\.rustup

  # Appveyor uses 7zip to pack cache directories. We use these options:
  #   -t7z  : Use '7z' format. The default is 'zip' which can't store symlinks.
  #   -snl  : Store symlinks.
  #   -mtc  : Use UTC timestamps. This is required for incremental builds.
  #   -mx=1 : Fast compression.
  APPVEYOR_CACHE_ENTRY_ZIP_ARGS: -t7z -snl -mtc -mx=1

  # Define some PowerShell helper functions which are used in the scripts below.
  # They're defined in an environment variable to reduce noise in the build log.
  PS_UTILS: |-
      # `Exec` runs a regular executable. It looks at the process' exit code,
      # rather than its stderr output, to tell if a command has failed.
      function Exec([ScriptBlock] $Command, [switch] $NoNewLines) {
        "$Command".TrimStart(" &") | Write-Host              # Echo command.
        & $Command 2>&1 | Write-Host -NoNewLine:$NoNewLines  # Execute command.
        if ($NoNewLines) { Write-Host }                      # Write newline.
        if ($LastExitCode -ne 0) { throw "Failure. Exit code: $LastExitCode" }
      }

      # `Delete-Tree` is a simple wrapper around Remove-Item. It doesn't set
      # an error status if one of the paths to be deleted doesn't exist.
      function Delete-Tree([string[]] $Path) {
        $Path | Foreach-Object {
          "Deleting '$_'" | Write-Host -NoNewLine
          if (Test-Path -Path $_) {
            Remove-Item -Path $_ -Recurse -Force -ErrorAction Ignore
            $(if ($?) { " - ok" } else { " - failed" }) | Write-Host
          } else {
            " - not found" | Write-Host
          }
        }
      }

      # `$will_save_cache` equals true if the cache will be saved at the end.
      $will_save_cache = -not $env:APPVEYOR_PULL_REQUEST_NUMBER -and
                         -not $env:APPVEYOR_CACHE_SKIP_SAVE -eq "true"

for:
  # Do no save the build cache for feature branches. TODO: Once we have multiple
  # permanent branches, use a build matrix so each branch has it's own cache.
  - branches:
      except:
        - master
    environment:
      APPVEYOR_CACHE_SKIP_SAVE: true

cache:
  # Python packages installed with `pip --user` and Pip cache.
  - $(APPDATA)\Python
  - $(LOCALAPPDATA)\pip
  # Rust stuff.
  - $(CARGO_HOME)
  - $(RUSTUP_HOME)
  # Cache the third_party submodule to preserve binaries downloaded by setup.py,
  # and to make incremental builds work.
  - $(APPVEYOR_BUILD_FOLDER)\.git\modules\third_party
  - $(APPVEYOR_BUILD_FOLDER)\third_party
  # Build incrementally.
  - $(DENO_BUILD_PATH)

init:
  # Load utility functions
  - ps: Invoke-Expression $env:PS_UTILS

  # Make git check out symlinks (not placeholder text files).
  - git config --global core.symlinks true

install:
  # Clone the third_party submodule.
  - ps: |-
      try {
        Exec { & git submodule update --init --force --depth 1 }
      } catch {
        # Git will fail if the `third_party` directory was restored from cache,
        # but the `.git/modules` directory wasn't. Rebuild it from scratch.
        Delete-Tree -Path $env:DENO_THIRD_PARTY_PATH
        Exec -NoNewLines { & git submodule update --init --force --depth 1 }
      }

  # Prune and pack git objects. Thus when we upload `.git/modules/` to the
  # Appveyor cache, it'll include only objects that were actually needed.
  # This step is skipped if the cache is not going to be saved.
  - ps: |-
      if ($will_save_cache) {
        Push-Location -Path $env:DENO_THIRD_PARTY_PATH
        Exec { & git gc --prune=all }
        Pop-Location
      }

  # Install a recent Node.js version.
  - ps: Install-Product node 10 x64

  # Make sure the right Python version is in PATH, and others are not.
  - ps: |-
      # Remove the wrong Python version(s) from PATH.
      $p = $env:PATH -split ";" | Where-Object {
             -not (Test-Path -Path "$_\python.exe") -and
             -not (Test-Path -Path "$_\pip.exe")
           }
      # Add binary dir for `pip --user` packages.
      $p += "$env:APPDATA\Python\Scripts"
      # Add python27-x64.
      $p += "c:\Python27-x64"
      $p += "c:\Python27-x64\Scripts"
      $env:PATH = $p -join ";"

  # Pip on Appveyor is too old. Install a recent version in our user dir.
  - python -m pip install --upgrade --user pip

  # Install Python packages.
  - pip install --upgrade --user pywin32 yapf

  # Add Rust/Cargo to PATH.
  - ps: $env:PATH += ";$env:CARGO_HOME\bin"

  # Look for Rust updates.
  # * If there are no updates, rustup will exit cleanly.
  # * If there are updates, rustup will attempt to install them, and then blow
  #   up because we removed the 'rust-docs' component.
  # * The actual update is done by removing and reinstalling with rustup-init.
  - ps: |-
      if ($will_save_cache -and (Test-Path -Path $env:CARGO_HOME)) {
        try {
          Exec -NoNewLines { & rustup update stable-x86_64-pc-windows-msvc }
        } catch {
          Delete-Tree -Path $env:CARGO_HOME, $env:RUSTUP_HOME
        }
      }

  # Install or reinstall Rust via rustup-init.
  # * After install/update, the rustup directory is very big, with many files,
  #   slowing down cache save/restore a lot, so we remove unnecessary stuff.
  # * TODO: Use `rustup component remove docs` instead, when this issue
  #   is resolved: https://github.com/rust-lang-nursery/rustup.rs/issues/998.
  # * TODO: Ship Rust in the third_party repo. See issue #386.
  - ps: |-
      if (-not (Test-Path -Path $env:CARGO_HOME)) {
        Invoke-WebRequest -Uri "https://win.rustup.rs" `
                          -OutFile "$env:TEMP\rustup-init.exe"
        Exec -NoNewLines { & "$env:TEMP\rustup-init.exe" -y }
        Delete-Tree -Path @(
          "$env:RUSTUP_HOME\downloads",
          "$env:RUSTUP_HOME\tmp",
          "$env:RUSTUP_HOME\toolchains\stable-x86_64-pc-windows-msvc\share\doc"
        )
      }

  # Log installed Node.js version + processor architecture.
  - node -p "`Node ${process.version} ${process.arch}`"

  # Log installed Python version + processor architecture.
  - ps: |-
      @("from sys import version",
        "print 'Python', version") -join "`n" | & python -

  # Log some more versions.
  - pip --version
  - rustc --version
  - cargo --version

before_build:
  # Download clang and gn, generate ninja files.
  - python tools\setup.py

build_script:
  - python tools\build.py

after_build:
  # The build completed successfully; make sure the cache gets saved even if
  # some tests fail.
  - ps: $env:APPVEYOR_SAVE_CACHE_ON_ERROR = "true"

test_script:
  - python tools\lint.py
  - ps: Exec { & python tools\test.py $env:DENO_BUILD_PATH }