brew/Library/Homebrew/formula_creator.rb

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# typed: strict
# frozen_string_literal: true
require "digest"
require "erb"
require "utils/github"
module Homebrew
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# Class for generating a formula from a template.
class FormulaCreator
sig { returns(String) }
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attr_accessor :name
sig { returns(Version) }
attr_reader :version
sig { returns(T::Boolean) }
attr_reader :head
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sig {
params(url: String, name: T.nilable(String), version: T.nilable(String), tap: T.nilable(String),
mode: T.nilable(Symbol), license: T.nilable(String), fetch: T::Boolean, head: T::Boolean).void
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}
def initialize(url:, name: nil, version: nil, tap: nil, mode: nil, license: nil, fetch: false, head: false)
@url = url
@mode = mode
@license = license
@fetch = fetch
tap = if tap.blank?
CoreTap.instance
else
Tap.fetch(tap)
end
@tap = T.let(tap, Tap)
if (match_github = url.match %r{github\.com/(?<user>[^/]+)/(?<repo>[^/]+).*})
user = T.must(match_github[:user])
repository = T.must(match_github[:repo])
if repository.end_with?(".git")
# e.g. https://github.com/Homebrew/brew.git
repository.delete_suffix!(".git")
head = true
end
odebug "github: #{user} #{repository} head:#{head}"
if name.blank?
name = repository
odebug "name from github: #{name}"
end
elsif name.blank?
stem = Pathname.new(url).stem
name = if stem.start_with?("index.cgi") && stem.include?("=")
# special cases first
# gitweb URLs e.g. http://www.codesrc.com/gitweb/index.cgi?p=libzipper.git;a=summary
stem.rpartition("=").last
else
# e.g. http://digit-labs.org/files/tools/synscan/releases/synscan-5.02.tar.gz
pathver = Version.parse(stem).to_s
stem.sub(/[-_.]?#{Regexp.escape(pathver)}$/, "")
end
odebug "name from url: #{name}"
end
@name = T.let(name, String)
@head = head
if version.present?
version = Version.new(version)
odebug "version from user: #{version}"
else
version = Version.detect(url)
odebug "version from url: #{version}"
end
if fetch && user && repository
github = GitHub.repository(user, repository)
if version.null? && !head
begin
latest_release = GitHub.get_latest_release(user, repository)
version = Version.new(latest_release.fetch("tag_name"))
odebug "github: version from latest_release: #{version}"
rescue GitHub::API::HTTPNotFoundError
odebug "github: latest_release lookup failed: #{url}"
end
end
end
@github = T.let(github, T.untyped)
@version = T.let(version, Version)
@sha256 = T.let(nil, T.nilable(String))
@desc = T.let(nil, T.nilable(String))
@homepage = T.let(nil, T.nilable(String))
@license = T.let(nil, T.nilable(String))
end
sig { void }
def verify_tap_available!
raise TapUnavailableError, @tap.name unless @tap.installed?
end
sig { returns(Pathname) }
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def write_formula!
raise ArgumentError, "name is blank!" if @name.blank?
raise ArgumentError, "tap is blank!" if @tap.blank?
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path = @tap.new_formula_path(@name)
raise "#{path} already exists" if path.exist?
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if @version.nil? || @version.null?
odie "Version cannot be determined from URL. Explicitly set the version with `--set-version` instead."
end
if @fetch
unless @head
r = Resource.new
r.url(@url)
r.owner = self
filepath = r.fetch
html_doctype_prefix = "<!doctype html"
# Number of bytes to read from file start to ensure it is not HTML.
# HTML may start with arbitrary number of whitespace lines.
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bytes_to_read = 100
if File.read(filepath, bytes_to_read).strip.downcase.start_with?(html_doctype_prefix)
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raise "Downloaded URL is not archive"
end
@sha256 = T.let(filepath.sha256, T.nilable(String))
end
if @github
@desc = @github["description"]
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@homepage = @github["homepage"].presence || "https://github.com/#{@github["full_name"]}"
@license = @github["license"]["spdx_id"] if @github["license"]
end
end
path.dirname.mkpath
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path.write ERB.new(template, trim_mode: ">").result(binding)
path
end
private
sig { params(name: String).returns(String) }
def latest_versioned_formula(name)
name_prefix = "#{name}@"
CoreTap.instance.formula_names
.select { |f| f.start_with?(name_prefix) }
.max_by { |v| Gem::Version.new(v.sub(name_prefix, "")) } || "python"
end
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sig { returns(String) }
def template
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<<~ERB
# Documentation: https://docs.brew.sh/Formula-Cookbook
# https://rubydoc.brew.sh/Formula
# PLEASE REMOVE ALL GENERATED COMMENTS BEFORE SUBMITTING YOUR PULL REQUEST!
class #{Formulary.class_s(name)} < Formula
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<% if @mode == :python %>
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include Language::Python::Virtualenv
<% end %>
desc "#{@desc}"
homepage "#{@homepage}"
<% unless @head %>
url "#{@url}"
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<% unless @version.detected_from_url? %>
version "#{@version}"
<% end %>
sha256 "#{@sha256}"
<% end %>
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license "#{@license}"
<% if @head %>
head "#{@url}"
<% end %>
<% if @mode == :cabal %>
depends_on "cabal-install" => :build
depends_on "ghc" => :build
<% elsif @mode == :cmake %>
depends_on "cmake" => :build
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<% elsif @mode == :crystal %>
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depends_on "crystal" => :build
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<% elsif @mode == :go %>
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depends_on "go" => :build
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<% elsif @mode == :meson %>
depends_on "meson" => :build
depends_on "ninja" => :build
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<% elsif @mode == :node %>
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depends_on "node"
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<% elsif @mode == :perl %>
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uses_from_macos "perl"
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<% elsif @mode == :python %>
depends_on "#{latest_versioned_formula("python")}"
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<% elsif @mode == :ruby %>
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uses_from_macos "ruby"
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<% elsif @mode == :rust %>
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depends_on "rust" => :build
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<% elsif @mode == :zig %>
depends_on "zig" => :build
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<% elsif @mode.nil? %>
# depends_on "cmake" => :build
<% end %>
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<% if @mode == :perl || :python || :ruby %>
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# Additional dependency
# resource "" do
# url ""
# sha256 ""
# end
<% end %>
def install
<% if @mode == :cabal %>
system "cabal", "v2-update"
system "cabal", "v2-install", *std_cabal_v2_args
<% elsif @mode == :cmake %>
system "cmake", "-S", ".", "-B", "build", *std_cmake_args
system "cmake", "--build", "build"
system "cmake", "--install", "build"
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<% elsif @mode == :autotools %>
# Remove unrecognized options if they cause configure to fail
# https://rubydoc.brew.sh/Formula.html#std_configure_args-instance_method
system "./configure", "--disable-silent-rules", *std_configure_args
system "make", "install" # if this fails, try separate make/make install steps
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<% elsif @mode == :crystal %>
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system "shards", "build", "--release"
bin.install "bin/#{name}"
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<% elsif @mode == :go %>
system "go", "build", *std_go_args(ldflags: "-s -w")
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<% elsif @mode == :meson %>
system "meson", "setup", "build", *std_meson_args
system "meson", "compile", "-C", "build", "--verbose"
system "meson", "install", "-C", "build"
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<% elsif @mode == :node %>
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system "npm", "install", *std_npm_args
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bin.install_symlink Dir["\#{libexec}/bin/*"]
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<% elsif @mode == :perl %>
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ENV.prepend_create_path "PERL5LIB", libexec/"lib/perl5"
ENV.prepend_path "PERL5LIB", libexec/"lib"
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# Stage additional dependency (`Makefile.PL` style).
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# resource("").stage do
# system "perl", "Makefile.PL", "INSTALL_BASE=\#{libexec}"
# system "make"
# system "make", "install"
# end
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# Stage additional dependency (`Build.PL` style).
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# resource("").stage do
# system "perl", "Build.PL", "--install_base", libexec
# system "./Build"
# system "./Build", "install"
# end
bin.install name
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bin.env_script_all_files(libexec/"bin", PERL5LIB: ENV["PERL5LIB"])
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<% elsif @mode == :python %>
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virtualenv_install_with_resources
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<% elsif @mode == :ruby %>
ENV["BUNDLE_VERSION"] = "system" # Avoid installing Bundler into the keg
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ENV["GEM_HOME"] = libexec
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system "bundle", "config", "set", "without", "development", "test"
system "bundle", "install"
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system "gem", "build", "\#{name}.gemspec"
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system "gem", "install", "\#{name}-\#{version}.gem"
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bin.install libexec/"bin/\#{name}"
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bin.env_script_all_files(libexec/"bin", GEM_HOME: ENV["GEM_HOME"])
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<% elsif @mode == :rust %>
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system "cargo", "install", *std_cargo_args
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<% elsif @mode == :zig %>
system "zig", "build", *std_zig_args
<% else %>
# Remove unrecognized options if they cause configure to fail
# https://rubydoc.brew.sh/Formula.html#std_configure_args-instance_method
system "./configure", "--disable-silent-rules", *std_configure_args
# system "cmake", "-S", ".", "-B", "build", *std_cmake_args
<% end %>
end
test do
# `test do` will create, run in and delete a temporary directory.
#
# This test will fail and we won't accept that! For Homebrew/homebrew-core
# this will need to be a test that verifies the functionality of the
# software. Run the test with `brew test #{name}`. Options passed
# to `brew install` such as `--HEAD` also need to be provided to `brew test`.
#
# The installed folder is not in the path, so use the entire path to any
# executables being tested: `system bin/"program", "do", "something"`.
system "false"
end
end
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ERB
end
end
end