.cirrus.yml

# Reference:
#   - https://cirrus-ci.org/guide/writing-tasks/
#   - https://cirrus-ci.org/guide/linux/
#   - https://cirrus-ci.org/guide/macOS/
#   - https://cirrus-ci.org/guide/windows/
#   - https://hub.docker.com/_/gcc/
#   - https://hub.docker.com/_/python/

#
# Global defaults.
#
container:
  image: python:3.8

env:
  # Maximum cache period (in weeks) before forcing a new cache upload.
  CACHE_PERIOD: "2"
  # Increment the build number to force new mambaforge cache upload.
  MAMBA_CACHE_BUILD: "0"
  # Increment the build number to force new phash cache upload.
  PHASH_CACHE_BUILD: "0"
  # Base environment conda packages to be installed
  MAMBA_CACHE_PACKAGES: "conda-lock"

#
# Testing (Linux)
#
linux_task:
  auto_cancellation: true
  container:
    image: gcc:latest
  env:
    PATH: ${HOME}/mambaforge/bin:${PATH}
    ENV_NAME: phash
    YAML_FILE: ${CIRRUS_WORKING_DIR}/requirements.yml
  mamba_cache:
    folder: ${HOME}/mambaforge
    fingerprint_script:
      - wget --quiet https://github.com/conda-forge/miniforge/releases/latest/download/Mambaforge-Linux-x86_64.sh -O mambaforge.sh
      - echo "${CIRRUS_OS} $(sha256sum mambaforge.sh)"
      - echo "${MAMBA_CACHE_PACKAGES}"
      - echo "$(date +%Y).$(expr $(date +%U) / ${CACHE_PERIOD}):${MAMBA_CACHE_BUILD}"
      - uname -r
    populate_script:
      - export CONDA_OVERRIDE_LINUX="$(uname -r | cut -d'+' -f1)"
      - bash mambaforge.sh -b -p ${HOME}/mambaforge
      - conda config --set always_yes yes --set changeps1 no
      - conda config --set show_channel_urls True
      - conda config --add channels conda-forge
      - conda install --quiet --name base ${MAMBA_CACHE_PACKAGES}
  check_script:
    - conda info --all
    - conda list --name base
  phash_cache:
    folder: ${CIRRUS_WORKING_DIR}/mambaforge/envs/${ENV_NAME}
    fingerprint_script:
      - echo "${CIRRUS_OS} ${ENV_NAME} tests"
      - echo "$(date +%Y).$(expr $(date +%U) / ${CACHE_PERIOD}):${PHASH_CACHE_BUILD}"
      - cat ${YAML_FILE}
      - uname -r
    populate_script:
      - export CONDA_OVERRIDE_LINUX="$(uname -r | cut -d'+' -f1)"
      - conda-lock --kind=explicit --mamba --platform linux-64 --file ${YAML_FILE}
      - mamba create --name ${ENV_NAME} --quiet --file conda-linux-64.lock
      - conda info --envs
  test_script:
    - source activate ${ENV_NAME}
    - pytest run_test.py