distributable:
  url: https://github.com/pypa/pip/archive/refs/tags/{{version.raw}}.tar.gz
  strip-components: 1

versions:
  github: pypa/pip/tags
  # FIXME: the major prior to 18 is 10, which is ancient and doesn't currently work
  ignore: ['<18']

dependencies:
  pkgx.sh: ^1

build:
  dependencies:
    python.org: ~3.11
    crates.io/semverator: ^0.4.3
  script:
  - pkgx curl -O https://bootstrap.pypa.io/get-pip.py

  - rm -rf bootstrap && mkdir bootstrap
  - python get-pip.py --target=bootstrap

  - PYTHONPATH=$PWD/bootstrap
      python -m pip install .
        --target={{prefix}}/libexec

  - run:
      # FIXME 3.7 *should* work but doesn't
      - v=3.7

      # Python 3.12 had various breaking changes (semver is meaningless
      # apparently) and thus pip less than 23.1.2 will not work with it
      # FIXME hardcoding 3.12 sucks
      - |
        if semverator lt {{version}} 23.1.2; then
          vMax=3.11
        else
          vMax=3.12
        fi

      - while semverator lt $v $vMax; do
      -   v=$(semverator bump $v minor | cut -d. -f1,2)

      - |
          install -D $PROP {{prefix}}/bin/pip$v
          echo "exec pkgx python@$v \"\$d/bin/pip\" \"\$@\"" >> {{prefix}}/bin/pip$v
      - done

      # FIXME hardcoded `3`
      - |
        install -D $PROP {{prefix}}/bin/pip3
        if semverator lt {{version}} 23.1.2; then
          python="'python<3.12'"
        else
          python=python@3
        fi
        echo "exec pkgx $python \"\$d/bin/pip\" \"\$@\"" >> {{prefix}}/bin/pip3

      - |
        install -D $PROP {{prefix}}/bin/pip
        if semverator lt {{version}} 23.1.2; then
          python="'python<3.12'"
        else
          python=python
        fi
        echo "exec pkgx $python \"\$d/bin/pip\" \"\$@\"" >> {{prefix}}/bin/pip

    prop: |
      #!/bin/sh
      d="$(cd "$(dirname "$0")"/.. && pwd)/libexec"
      export PIP_DISABLE_PIP_VERSION_CHECK=1
      if [ -n "$PYTHONPATH" ]; then
        export PYTHONPATH="$d:$PYTHONPATH"
      else
        export PYTHONPATH="$d"
      fi

  # cleanup unused files
  - rm {{prefix}}/libexec/bin/pip?*

  - fix-shebangs.ts {{prefix}}/libexec/bin/*

test:
  - run: pkgx +python.org~3.9 pip install findtui --target .
    if: ~18
  - run:
      - pip install findtui --target foo
      - pip3.10 install findtui --target .
    if: '>=19'

  - test -f findtui/main.py

  - pip --version | grep {{prefix}}
  - pip --version | grep {{version}}

  - run: |
      for v in 3.8 3.9 3.10 3.11; do
        test $(pip$v inspect | pkgx jq --raw-output .environment.python_version) = $v
      done
    if: '>=22'  # inspect command introduced at v22

provides:
  - bin/pip
  - bin/pip3.8
  - bin/pip3.9
  - bin/pip3.10
  - bin/pip3.11
#FIXME  - bin/pip3.12
#FIXME  - bin/pip{{deps.python.org.version.major}}