distributable:
  url: https://go.dev/dl/go{{ version.raw }}.src.tar.gz
  strip-components: 1

versions:
  github: golang/go/tags
  strip: /^go/

relocatable: true

provides:
  - bin/go

interprets:
  - .go

build:
  dependencies:
    gnu.org/m4: 1
    tea.xyz/gx/make: '*'
    tea.xyz/gx/cc: c99
    curl.se: '*'
    nixos.org/patchelf: ^0.15
  script: |-
    export GOROOT_BOOTSTRAP="$(dirname "{{prefix}}")/bootstrap"
    if test ! -d "$GOROOT_BOOTSTRAP"; then
      case "X{{ hw.target }}" in
      "Xaarch64-apple-darwin") GOARCH="darwin-arm64";;
      "Xx86_64-apple-darwin") GOARCH="darwin-amd64";;
      "Xx86_64-unknown-linux-gnu") GOARCH="linux-amd64";;
      "Xaarch64-unknown-linux-gnu") GOARCH="linux-arm64";;
      *)
        echo "Unknown arch. Please update the pantry."
        exit 1
      esac

      curl -L https://storage.googleapis.com/golang/go1.16.${GOARCH}.tar.gz | tar xzf - -C "$GOROOT_BOOTSTRAP" --strip-components=1
    fi

    export GOROOT_FINAL="{{prefix}}"
    cd src
    ./make.bash

    # cleanup
    cd ..
    rm src/*.{bash,bat,rc}
    rm src/Make.dist
    mkdir "{{prefix}}"
    mv * "{{prefix}}"
    find "{{prefix}}" -mindepth 1 -maxdepth 1 -type f -delete -not -name build.sh

test:
  script: |
    mv $FIXTURE $FIXTURE.go
    OUTPUT=$(go run $FIXTURE.go)
    test "Hello World" = "$OUTPUT"
  fixture: |
    package main
    import "fmt"
    func main() {
      fmt.Println("Hello World")
    }