homebrew_formula.yml

#@ load("@ytt:data", "data")
#@ load("@ytt:assert", "assert")

#@ def get_shasum(os, arch):
#@ assets = data.values.assets
  #@ for i in range(len(assets)):
    #@ if assets[i].os == os and assets[i].arch == arch:
      #@ return assets[i].shasum
    #@ end
  #@ end
#@ assert.fail('did not find os/arch')
#@ end

#@ def has(os, arch):
#@ assets = data.values.assets
  #@ for i in range(len(assets)):
    #@ if assets[i].os == os and assets[i].arch == arch:
      #@ return True
    #@ end
  #@ end
#@ return False
#@ end

#@ def download_info(os, arch, product, version, github_url):
#@ if has(os, arch):
  #@ sha256 = get_shasum(os, arch)
  #@ return 'url "https://{github_url}/releases/download/{version}/{product}-{os}-{arch}"\n      sha256 "{sha256}"'.format(product=product, version=version, sha256=sha256, os=os, arch=arch, github_url=github_url)
#@ else:
  #@ return 'odie "{os}/{arch} is not supported. If you would like support please raise an issue upstream to {github_url}"'.format(os=os, arch=arch, github_url=github_url)
#@ end
#@ end

#@ def homepage(product):
#@ if product == "kctrl":
  #@ return "https://carvel.dev/kapp-controller/"
#@ else:
  #@ return "https://carvel.dev/{product}/".format(product=product)
#@ end
#@ end

#@yaml/text-templated-strings
output: |
  class (@= data.values.product.capitalize() @) < Formula
    desc "(@= data.values.product.capitalize() @)"
    homepage "(@= homepage(data.values.product) @)"
    version "(@= data.values.version @)"

    if OS.mac?
      if Hardware::CPU.arm?
        (@= download_info('darwin', 'arm64', data.values.product, data.values.version, data.values.github.url) @)
      else
        (@= download_info('darwin', 'amd64', data.values.product, data.values.version, data.values.github.url) @)
      end
    elsif OS.linux?
      if Hardware::CPU.arm?
        (@= download_info('linux', 'arm64', data.values.product, data.values.version, data.values.github.url) @)
      else
        (@= download_info('linux', 'amd64', data.values.product, data.values.version, data.values.github.url) @)
      end
    end

    def install
      bin.install stable.url.split("/")[-1] => "(@= data.values.product @)"
      (@ if data.values.product == "ytt": @)
      chmod 0755, bin/"(@= data.values.product @)"

      bash_output = Utils.safe_popen_read(bin/"(@= data.values.product @)", "completion", "bash")
      (bash_completion/"(@= data.values.product @)").write bash_output

      zsh_output = Utils.safe_popen_read(bin/"(@= data.values.product @)", "completion", "zsh")
      (zsh_completion/"_(@= data.values.product @)").write zsh_output

      fish_output = Utils.safe_popen_read(bin/"(@= data.values.product @)", "completion", "fish")
      (fish_completion/"(@= data.values.product @).fish").write fish_output
      (@ end @)
    end

    test do
      system "#{bin}/(@= data.values.product @)", "version"
    end
  end