GHCup action

A simple github action to install ghcup binary on any system and add it to PATH.

Usage

See action.yml

Minimal

on: [push]
name: build
jobs:
  runhaskell:
    name: Hello World
    runs-on: ubuntu-latest # or macOS-latest, or windows-latest
    steps:
      - uses: actions/checkout@v4
      - uses: haskell/ghcup-setup@v1
      - run: |
          ghcup install ghc --set latest
          runhaskell Hello.hs

Matrix testing with prereleases

on: [push]
name: build
jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        ghc: ['8.6.5', '8.8.4', 'latest-prerelease']
        cabal: ['2.4.1.0', '3.0.0.0']
        os: [ubuntu-latest, macOS-latest, windows-latest]
        exclude:
          - ghc: 8.8.4
            cabal: 2.4.1.0
    name: Haskell GHC ${{ matrix.ghc }} sample
    steps:
      - uses: actions/checkout@v4
      - uses: haskell/ghcup-setup@v1
        with:
          ghc: ${{ matrix.ghc }}
          cabal: ${{ matrix.cabal }}
          config: |
            # don't cache metadata files based on last access time
            meta-cache: 0
            # see https://github.com/haskell/ghcup-hs/blob/master/data/config.yaml
            # for full documentation
            url-source:
              - GHCupURL
              - prereleases
      - run: |
          runhaskell Hello.hs

Inputs

Name	Description	Type	Default
version	GHCup version to install	string	latest
ghc	GHC version to install	string	undefined
cabal	cabal-install version to install	string	undefined
stack	Stack version to install	string	undefined
hls	HLS version to install	string	undefined
config	Set ghcup config	string[]	{"meta-cache": 0 }
stack-hook	Install the GHCup stack hook (GHCs are installed through ghcup)	boolean	false

Outputs

Name	Description	Type
path	Path to the installed GHCup	string
version	Version of the installed GHCup	string
basedir	Base directory of GHCup	string
bindir	Binary directory of GHCup	string
cachedir	Cache directory of GHCup	string
logsdir	Log directory of GHCup	string
confdir	Config directory of GHCup	string