4696401e5d
A common source of compile error, lets tell the user straight away. Removed relevant documentation from the installation instructions as a consequence.
140 lines
4.3 KiB
Ruby
140 lines
4.3 KiB
Ruby
#!/usr/bin/ruby
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# This script installs to /usr/local only. To install elsewhere you can just
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# untar https://github.com/mxcl/homebrew/tarball/master anywhere you like.
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module Tty extend self
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def blue; bold 34; end
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def white; bold 39; end
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def red; underline 31; end
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def reset; escape 0; end
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def bold n; escape "1;#{n}" end
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def underline n; escape "4;#{n}" end
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def escape n; "\033[#{n}m" if STDOUT.tty? end
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end
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class Array
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def shell_s
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cp = dup
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first = cp.shift
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cp.map{ |arg| arg.gsub " ", "\\ " }.unshift(first) * " "
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end
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end
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def ohai *args
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puts "#{Tty.blue}==>#{Tty.white} #{args.shell_s}#{Tty.reset}"
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end
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def warn warning
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puts "#{Tty.red}Warning#{Tty.reset}: #{warning.chomp}"
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end
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def system *args
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abort "Failed during: #{args.shell_s}" unless Kernel.system *args
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end
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def sudo *args
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args = if args.length > 1
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args.unshift "/usr/bin/sudo"
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else
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"/usr/bin/sudo #{args}"
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end
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ohai *args
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system *args
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end
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def getc # NOTE only tested on OS X
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system "/bin/stty raw -echo"
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if RUBY_VERSION >= '1.8.7'
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STDIN.getbyte
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else
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STDIN.getc
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end
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ensure
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system "/bin/stty -raw echo"
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end
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def badlibs
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@badlibs ||= begin
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Dir['/usr/local/lib/*.dylib'].select do |dylib|
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ENV['dylib'] = dylib
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File.file? dylib and not File.symlink? dylib and `/usr/bin/file "$dylib"` =~ /shared library/
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end
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end
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end
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####################################################################### script
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abort "/usr/local/.git already exists!" unless Dir["/usr/local/.git/*"].empty?
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abort "Don't run this as root!" if Process.uid == 0
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abort <<-EOABORT unless `groups`.split.include? "staff"
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This script requires the user #{ENV['USER']} to be in the staff group. If this
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sucks for you then you can install Homebrew in your home directory or however
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you please; please refer to the website. If you still want to use this script
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the following command should work:
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dscl /Local/Default -append /Groups/staff GroupMembership $USER
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EOABORT
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ohai "This script will install:"
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puts "/usr/local/bin/brew"
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puts "/usr/local/Library/Formula/..."
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puts "/usr/local/Library/Homebrew/..."
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chmods = %w( share/man lib/pkgconfig var/log share/locale
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share/man/man1 share/man/man2 share/man/man3 share/man/man4
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share/man/man5 share/man/man6 share/man/man7 share/man/man8
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share/info share/doc share/aclocal ).map{ |d| "/usr/local/#{d}" }
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root_dirs = []
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%w(bin Cellar etc include lib Library sbin share var .git).each do |d|
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d = "/usr/local/#{d}"
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if File.directory? d then chmods else root_dirs end << d
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end
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chmods = chmods.select{ |d| File.directory? d and not File.writable? d }
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chgrps = chmods.reject{ |d| File.stat(d).grpowned? }
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unless chmods.empty?
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ohai "The following directories will be made group writable:"
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puts *chmods
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end
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unless chgrps.empty?
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ohai "The following directories will have their group set to #{Tty.underline 39}staff#{Tty.reset}:"
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puts *chgrps
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end
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if STDIN.tty?
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puts
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puts "Press enter to continue"
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abort unless getc == 13
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end
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sudo "/bin/mkdir /usr/local" unless File.directory? "/usr/local"
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sudo "/bin/chmod o+w /usr/local"
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sudo "/bin/chmod", "g+w", *chmods unless chmods.empty?
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sudo "/usr/bin/chgrp", "staff", *chgrps unless chgrps.empty?
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system "/bin/mkdir", *root_dirs unless root_dirs.empty?
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Dir.chdir "/usr/local" do
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ohai "Downloading and Installing Homebrew..."
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# -m to stop tar erroring out if it can't modify the mtime for root owned directories
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# pipefail to cause the exit status from curl to propogate if it fails
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system "/bin/bash -o pipefail -c '/usr/bin/curl -sSfL https://github.com/mxcl/homebrew/tarball/master | /usr/bin/tar xz -m --strip 1'"
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end
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# we reset the permissions of /usr/local because we want to minimise the
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# amount of fiddling we do to the system. Some tools require /usr/local to be
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# by non-writable for non-root users.
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sudo "/bin/chmod o-w /usr/local"
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warn "/usr/local/bin is not in your PATH." unless ENV['PATH'].split(':').include? '/usr/local/bin'
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warn "Now install Xcode: http://developer.apple.com/technologies/xcode.html" unless Kernel.system "/usr/bin/which -s gcc"
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unless badlibs.empty?
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warn "The following *evil* dylibs exist in /usr/local/lib"
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puts "They may break builds or worse. You should consider deleting them:"
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puts *badlibs
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end
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ohai "Installation successful!"
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puts "Now type: brew help"
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