# This CI setup provides a largely homogeneous configuration across all
# major platforms (Windows, MacOS, and Linux). The aim of this test setup is
# to create a "native" platform experience, using as few cross-platform
# helper tools as possible.
#
# All workers support remote login. Login details are shown at the top of each
# CI run log.
#
# - Linux/Mac workers (via SSH):
#
#   - A permitted SSH key must be defined in an APPVEYOR_SSH_KEY environment
#     variable (via the appveyor project settings)
#
#   - SSH login info is given in the form of: 'appveyor@67.225.164.xx -p 22xxx'
#
#   - Login with:
#
#     ssh -o StrictHostKeyChecking=no <LOGIN>
#
#   - to prevent the CI run from exiting, `touch` a file named `BLOCK` in the
#     user HOME directory (current directory directly after login). The session
#     will run until the file is removed (or 60 min have passed)
#
# - Windows workers (via RDP):
#
#   - An RDP password should be defined in an APPVEYOR_RDP_PASSWORD environment
#     variable (via the appveyor project settings), or a random password is used
#     every time
#
#   - RDP login info is given in the form of IP:PORT
#
#   - Login with:
#
#     xfreerdp /cert:ignore /dynamic-resolution /u:appveyor /p:<PASSWORD> /v:<LOGIN>
#
#   - to prevent the CI run from exiting, create a textfile named
#     `BLOCK.txt` in the currently directory after login. The session
#     will run until the file is removed (or 60 min have passed)

# Do a shallow clone with enough commits that queued builds will still
# find the commit they want to build.
clone_depth: 100

environment:
  # Do not use `image` as a matrix dimension, to have fine-grained control over
  # what tests run on which platform
  # The ID variable had no impact, but sorts first in the CI run overview
  # an intelligible name can help to locate a specific test run
  matrix:
    # List a CI run for each platform first, to have immediate access when there
    # is a need for debugging

    # Windows core tests
    - ID: WinP39core
      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
      STACK_ROOT: "c:\\sr"
    # MacOS core tests
    - ID: MacP38core
      APPVEYOR_BUILD_WORKER_IMAGE: macos-monterey
    # Ubuntu core tests
    # (disabled because it's not needed)
    #- ID: Ubu20
    #  APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu2004

# do not run the CI if only documentation changes were made
# documentation builds are tested elsewhere and cheaper
skip_commits:
  files:
    - doc/
    - CHANGELOG

# it is OK to specify paths that may not exist for a particular test run
cache:
   - C:\sr -> stack.yaml
   - C:\Users\appveyor\AppData\Local\Programs\stack -> stack.yaml
   - /Users/appveyor/.stack -> stack.yaml

# turn of support for MS project build support (not needed)
build: off

# init cannot use any components from the repo, because it runs prior to
# cloning it
init:
  # remove windows 260-char limit on path names
  - cmd: powershell Set-Itemproperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name LongPathsEnabled -value 1
  # enable developer mode on windows
  # this should enable mklink without admin privileges, but it doesn't seem to work
  #- cmd: powershell tools\ci\appveyor_enable_windevmode.ps1
  # enable RDP access on windows (RDP password is in appveyor project config)
  # this is relatively expensive (1-2min), but very convenient to jump into any build at any time
  - cmd: powershell.exe iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))

install:
  # enable external SSH access to CI worker on all other systems
  # needs APPVEYOR_SSH_KEY defined in project settings (or environment)
  - sh: curl -sflL 'https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-ssh.sh' | bash -e -
  # install stack (works on linux, OSX, and windows)
  - curl -sSL https://get.haskellstack.org/ | sh

# Building dependencies takes almost too long on windows, so build without
# optimisation (including when building the dependencies) 
before_build:
  - sh: cp stack.yaml stack.yaml.build
  - ps: cp stack-lts-18.13.yaml stack.yaml.build
  - sh: 'echo "apply-ghc-options: everything" >> stack.yaml.build'
  - ps: '"apply-ghc-options: everything" |Add-Content -Path .\stack.yaml.build'
  - stack --stack-yaml stack.yaml.build build --only-dependencies --ghc-options=-O0

build_script:
  - stack --stack-yaml stack.yaml.build build --copy-bins --ghc-options=-O0

#after_build:
#

#before_test:
#

# Cannot use stack run git-annex because it does not support --ghc-options
# and would rebuild all deps. Instead, use the binary --copy-bins installed.
test_script:
  - cmd: C:\Users\appveyor\AppData\Roaming\local\bin\git-annex.exe test
  - sh: ln -s $(stack path --local-bin)/git-annex git-annex
  - sh: ln -s $(stack path --local-bin)/git-annex git-annex-shell
  - sh: PATH=`pwd`:$PATH; export PATH; git-annex test

#after_test:
#

#on_success:
#

#on_failure:
#

on_finish:
  # conditionally block the exit of a CI run for direct debugging
  - sh: while [ -f ~/BLOCK ]; do sleep 5; done
  - cmd: powershell.exe while ((Test-Path "C:\Users\\appveyor\\BLOCK.txt")) { Start-Sleep 5 }
  # block exit until 60 minute timeout, for direct debugging
  #- sh: while true; do sleep 5; done
  #- cmd: powershell.exe while ($true) { Start-Sleep 5 }