mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
3b23cf102f
This stuff sucks. I'd like to just replace the dash with a directory division or tilde character. But this makes the code even more complicated, unless we can figure out how to migrate the taps.
125 lines
3.6 KiB
Ruby
125 lines
3.6 KiB
Ruby
module Homebrew extend self
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def tap
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if ARGV.empty?
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tapd = HOMEBREW_LIBRARY/"Taps"
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tapd.children.each do |tap|
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# only replace the *last* dash: yes, tap filenames suck
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puts tap.basename.to_s.reverse.sub('-', '/').reverse if (tap/'.git').directory?
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end if tapd.directory?
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elsif ARGV.first == "--repair"
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repair_taps
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else
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install_tap(*tap_args)
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end
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end
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def install_tap user, repo
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raise "brew install git" unless which 'git'
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# we special case homebrew so users don't have to shift in a terminal
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repouser = if user == "homebrew" then "Homebrew" else user end
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user = "homebrew" if user == "Homebrew"
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# we downcase to avoid case-insensitive filesystem issues
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tapd = HOMEBREW_LIBRARY/"Taps/#{user.downcase}-#{repo.downcase}"
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raise "Already tapped!" if tapd.directory?
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abort unless system "git clone https://github.com/#{repouser}/homebrew-#{repo} #{tapd}"
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files = []
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tapd.find_formula{ |file| files << tapd.basename.join(file) }
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tapped = link_tap_formula(files)
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puts "Tapped #{tapped} formula"
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# Figure out if this repo is private
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# curl will throw an exception if the repo is private (Github returns a 404)
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begin
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curl('-Ifso', '/dev/null', "https://api.github.com/repos/#{repouser}/homebrew-#{repo}")
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rescue
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puts
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puts "It looks like you tapped a private repository"
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puts "In order to not input your credentials every time"
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puts "you can use git HTTP credential caching or issue the"
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puts "following command:"
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puts
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puts " cd #{tapd}"
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puts " git remote set-url origin git@github.com:#{repouser}/homebrew-#{repo}.git"
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puts
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end
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end
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def link_tap_formula formulae
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ignores = (HOMEBREW_LIBRARY/"Formula/.gitignore").read.split rescue []
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tapped = 0
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cd HOMEBREW_LIBRARY/"Formula" do
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formulae.each do |formula|
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from = HOMEBREW_LIBRARY.join("Taps/#{formula}")
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to = HOMEBREW_LIBRARY.join("Formula/#{formula.basename}")
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# Unexpected, but possible, lets proceed as if nothing happened
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to.delete if to.symlink? and to.realpath == from
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# using the system ln is the only way to get relative symlinks
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system "ln -s ../Taps/#{formula} 2>/dev/null"
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if $?.success?
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ignores << formula.basename.to_s
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tapped += 1
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else
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to = to.realpath if to.exist?
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opoo "Could not tap #{Tty.white}#{from.tap_ref}#{Tty.reset} over #{Tty.white}#{to.tap_ref}#{Tty.reset}"
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end
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end
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end
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HOMEBREW_LIBRARY.join("Formula/.gitignore").atomic_write(ignores.uniq.join("\n"))
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tapped
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end
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def repair_taps
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count = 0
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# prune dead symlinks in Formula
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Dir["#{HOMEBREW_REPOSITORY}/Library/Formula/*.rb"].each do |fn|
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if not File.exist? fn
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File.delete fn
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count += 1
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end
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end
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puts "Pruned #{count} dead formula"
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count = 0
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# check symlinks are all set in each tap
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HOMEBREW_REPOSITORY.join("Library/Taps").children.each do |tap|
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files = []
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tap.find_formula{ |file| files << tap.basename.join(file) }
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count += link_tap_formula(files)
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end
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puts "Tapped #{count} formula"
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end
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private
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def tap_args
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ARGV.first =~ %r{^(\S+)/(homebrew-)?(\w+)$}
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raise "Invalid usage" unless $1 and $3
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[$1, $3]
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end
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end
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class Pathname
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def tap_ref
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case self.to_s
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when %r{^#{HOMEBREW_LIBRARY}/Taps/([a-z\-_]+)-(\w+)/(.+)}
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"#$1/#$2/#{File.basename($3, '.rb')}"
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when %r{^#{HOMEBREW_LIBRARY}/Formula/(.+)}
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"mxcl/master/#{File.basename($1, '.rb')}"
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else
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nil
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end
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end
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end
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