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

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

provides:
  - bin/go

interprets:
  extensions: go
  args: [go, run]

dependencies:
  # `cgo` requires a C compiler
  tea.xyz/gx/cc: c99
  openssl.org: 1  # for ca-certificates

build:
  dependencies:
    gnu.org/m4: 1
    tea.xyz/gx/make: '*'
    tea.xyz/gx/cc: c99
    go.dev: '*'
  working-directory: src
  script: |-
    # `make.bash` complains about unset GOCACHE and HOME otherwise
    export GOCACHE="$(pwd)/.gocache"

    ./make.bash

    # cleanup
    cd ..
    rm src/*.{bash,bat,rc}
    rm src/Make.dist
    rm -rf "{{prefix}}"/*
    mv * "{{prefix}}"
    find "{{prefix}}" -mindepth 1 -maxdepth 1 -type f -delete -not -name build.sh
  env:
    GOROOT_FINAL: ${{ prefix }}
    GOROOT_BOOTSTRAP: ${{ deps.go.dev.prefix }}

bootstrap:
  dependencies:
    curl.se: '*'
  env:
    '*/aarch64': {GOARCH: arm64}
    '*/x86-64':  {GOARCH: amd64}
  script: |
    curl -L "$URL" | tar xzf - -C "{{ prefix }}" --strip-components=1

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")
    }