Module: Homebrew::MissingFormula Private

Defined in:
Library/Homebrew/missing_formula.rb,
Library/Homebrew/extend/os/mac/missing_formula.rb

Overview

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Helper module for checking if there is a reason a formula is missing.

Class Method Summary collapse

Class Method Details

.cask_reason(name, silent: false, show_info: false) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/missing_formula.rb', line 187

def cask_reason(name, silent: false, show_info: false); end

.deleted_reason(name, silent: false) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/missing_formula.rb', line 137

def deleted_reason(name, silent: false)
  path = Formulary.path name
  return if File.exist? path

  tap = Tap.from_path(path)
  return if tap.nil? || !File.exist?(tap.path)

  relative_path = path.relative_path_from tap.path

  tap.path.cd do
    unless silent
      ohai "Searching for a previously deleted formula (in the last month)..."
      if (tap.path/".git/shallow").exist?
        opoo <<~EOS
          #{tap} is shallow clone. To get complete history run:
            git -C "$(brew --repo #{tap})" fetch --unshallow

        EOS
      end
    end

    log_command = "git log --since='1 month ago' --diff-filter=D " \
                  "--name-only --max-count=1 " \
                  "--format=%H\\\\n%h\\\\n%B -- #{relative_path}"
    hash, short_hash, *commit_message, relative_path =
      Utils.popen_read(log_command).gsub("\\n", "\n").lines.map(&:chomp)

    if hash.blank? || short_hash.blank? || relative_path.blank?
      ofail "No previously deleted formula found." unless silent
      return
    end

    commit_message = commit_message.reject(&:empty?).join("\n  ")

    commit_message.sub!(/ \(#(\d+)\)$/, " (#{tap.issues_url}/\\1)")
    commit_message.gsub!(/(Closes|Fixes) #(\d+)/, "\\1 #{tap.issues_url}/\\2")

    <<~EOS
      #{name} was deleted from #{tap.name} in commit #{short_hash}:
        #{commit_message}

      To show the formula before removal run:
        git -C "$(brew --repo #{tap})" show #{short_hash}^:#{relative_path}

      If you still use this formula consider creating your own tap:
        #{Formatter.url("https://docs.brew.sh/How-to-Create-and-Maintain-a-Tap")}
    EOS
  end
end

.disallowed_reason(name) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/missing_formula.rb', line 16

def disallowed_reason(name)
  case name.downcase
  when "gem", /^rubygems?$/ then <<~EOS
    macOS provides gem as part of Ruby. To install a newer version:
      brew install ruby
  EOS
  when "pip" then <<~EOS
    pip is part of the python formula:
      brew install python
  EOS
  when "pil" then <<~EOS
    Instead of PIL, consider pillow:
      pip2 install pillow
  EOS
  when "macruby" then <<~EOS
    MacRuby has been discontinued. Consider RubyMotion:
      brew cask install rubymotion
  EOS
  when /(lib)?lzma/ then <<~EOS
    lzma is now part of the xz formula:
      brew install xz
  EOS
  when "gtest", "googletest", "google-test" then <<~EOS
    Installing gtest system-wide is not recommended; it should be vendored
    in your projects that use it.
  EOS
  when "gmock", "googlemock", "google-mock" then <<~EOS
    Installing gmock system-wide is not recommended; it should be vendored
    in your projects that use it.
  EOS
  when "sshpass" then <<~EOS
    We won't add sshpass because it makes it too easy for novice SSH users to
    ruin SSH's security.
  EOS
  when "gsutil" then <<~EOS
    gsutil is available through pip:
      pip2 install gsutil
  EOS
  when "gfortran" then <<~EOS
    GNU Fortran is part of the GCC formula:
      brew install gcc
  EOS
  when "play" then <<~EOS
    Play 2.3 replaces the play command with activator:
      brew install typesafe-activator

    You can read more about this change at:
      #{Formatter.url("https://www.playframework.com/documentation/2.3.x/Migration23")}
      #{Formatter.url("https://www.playframework.com/documentation/2.3.x/Highlights23")}
  EOS
  when "haskell-platform" then <<~EOS
    The components of the Haskell Platform are available separately.

    Glasgow Haskell Compiler:
      brew install ghc

    Cabal build system:
      brew install cabal-install

    Haskell Stack tool:
      brew install haskell-stack
  EOS
  when "mysqldump-secure" then <<~EOS
    The creator of mysqldump-secure tried to game our popularity metrics.
  EOS
  when "ngrok" then <<~EOS
    Upstream sunsetted 1.x in March 2016 and 2.x is not open-source.

    If you wish to use the 2.x release you can install with Homebrew Cask:
      brew cask install ngrok
  EOS
  when "cargo" then <<~EOS
    cargo is part of the rust formula:
      brew install rust
  EOS
  when "cargo-completion" then <<~EOS
    cargo-completion is part of the rust formula:
      brew install rust
  EOS
  when "uconv" then <<~EOS
    uconv is part of the icu4c formula:
      brew install icu4c
  EOS
  end
end

.generic_disallowed_reasonObject

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/missing_formula.rb', line 101

def disallowed_reason(name)
  case name.downcase
  when "gem", /^rubygems?$/ then <<~EOS
    macOS provides gem as part of Ruby. To install a newer version:
      brew install ruby
  EOS
  when "pip" then <<~EOS
    pip is part of the python formula:
      brew install python
  EOS
  when "pil" then <<~EOS
    Instead of PIL, consider pillow:
      pip2 install pillow
  EOS
  when "macruby" then <<~EOS
    MacRuby has been discontinued. Consider RubyMotion:
      brew cask install rubymotion
  EOS
  when /(lib)?lzma/ then <<~EOS
    lzma is now part of the xz formula:
      brew install xz
  EOS
  when "gtest", "googletest", "google-test" then <<~EOS
    Installing gtest system-wide is not recommended; it should be vendored
    in your projects that use it.
  EOS
  when "gmock", "googlemock", "google-mock" then <<~EOS
    Installing gmock system-wide is not recommended; it should be vendored
    in your projects that use it.
  EOS
  when "sshpass" then <<~EOS
    We won't add sshpass because it makes it too easy for novice SSH users to
    ruin SSH's security.
  EOS
  when "gsutil" then <<~EOS
    gsutil is available through pip:
      pip2 install gsutil
  EOS
  when "gfortran" then <<~EOS
    GNU Fortran is part of the GCC formula:
      brew install gcc
  EOS
  when "play" then <<~EOS
    Play 2.3 replaces the play command with activator:
      brew install typesafe-activator

    You can read more about this change at:
      #{Formatter.url("https://www.playframework.com/documentation/2.3.x/Migration23")}
      #{Formatter.url("https://www.playframework.com/documentation/2.3.x/Highlights23")}
  EOS
  when "haskell-platform" then <<~EOS
    The components of the Haskell Platform are available separately.

    Glasgow Haskell Compiler:
      brew install ghc

    Cabal build system:
      brew install cabal-install

    Haskell Stack tool:
      brew install haskell-stack
  EOS
  when "mysqldump-secure" then <<~EOS
    The creator of mysqldump-secure tried to game our popularity metrics.
  EOS
  when "ngrok" then <<~EOS
    Upstream sunsetted 1.x in March 2016 and 2.x is not open-source.

    If you wish to use the 2.x release you can install with Homebrew Cask:
      brew cask install ngrok
  EOS
  when "cargo" then <<~EOS
    cargo is part of the rust formula:
      brew install rust
  EOS
  when "cargo-completion" then <<~EOS
    cargo-completion is part of the rust formula:
      brew install rust
  EOS
  when "uconv" then <<~EOS
    uconv is part of the icu4c formula:
      brew install icu4c
  EOS
  end
end

.reason(name, silent: false, show_info: false) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/missing_formula.rb', line 11

def reason(name, silent: false, show_info: false)
  cask_reason(name, silent: silent, show_info: show_info) || disallowed_reason(name) ||
    tap_migration_reason(name) || deleted_reason(name, silent: silent)
end

.suggest_command(name, command) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/missing_formula.rb', line 189

def suggest_command(name, command); end

.tap_migration_reason(name) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.


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# File 'Library/Homebrew/missing_formula.rb', line 103

def tap_migration_reason(name)
  message = nil

  Tap.each do |old_tap|
    new_tap = old_tap.tap_migrations[name]
    next unless new_tap

    new_tap_user, new_tap_repo, new_tap_new_name = new_tap.split("/")
    new_tap_name = "#{new_tap_user}/#{new_tap_repo}"

    message = <<~EOS
      It was migrated from #{old_tap} to #{new_tap}.
    EOS
    break if new_tap_name == CoreTap.instance.name

    install_cmd = if new_tap_name.start_with?("homebrew/cask")
      "cask install"
    else
      "install"
    end
    new_tap_new_name ||= name

    message += <<~EOS
      You can access it again by running:
        brew tap #{new_tap_name}
      And then you can install it by running:
        brew #{install_cmd} #{new_tap_new_name}
    EOS
    break
  end

  message
end