Some subdirs and renames to aid homebrew n00bs

The classes better reflect their contents. I'm sure this change may be
contentious, but I am a sucker for trying to create source bases that are easy
to get to grips with and easy to navigate.

brewkit.rb is now a deprecated file.

1 files changed, 196 insertions, 0 deletions

diff --git a/Library/Homebrew/extend/pathname.rb b/Library/Homebrew/extend/pathname.rb
new file mode 100644
index 000000000..bfbba61bf
--- /dev/null
+++ b/Library/Homebrew/extend/pathname.rb
@@ -0,0 +1,196 @@
+#  Copyright 2009 Max Howell and other contributors.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+#
+#  1. Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#  2. Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+#  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+#  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+#  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+#  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+#  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+#  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+#  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+#  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+require 'pathname'
+
+# we enhance pathname to make our code more readable
+class Pathname
+  def install src
+    if src.is_a? Array
+      src.collect {|src| install src }
+    else
+      raise "#{src} does not exist" unless File.exist? src
+      mkpath
+      if File.symlink? src
+        # we use the BSD mv command because FileUtils copies the target and
+        # not the link! I'm beginning to wish I'd used Python quite honestly!
+        raise unless Kernel.system 'mv', src, to_s and $? == 0
+      else
+        # we mv when possible as it is faster and you should only be using
+        # this function when installing from the temporary build directory
+        FileUtils.mv src, to_s
+      end
+      src=Pathname.new src
+      return self+src.basename
+    end
+  end
+  
+  # we assume this pathname object is a file obviously
+  def write content
+    raise "Will not overwrite #{to_s}" if exist? and not ARGV.force?
+    dirname.mkpath
+    File.open(self, 'w') {|f| f.write content }
+  end
+
+  def cp dst
+    if file?
+      FileUtils.cp to_s, dst
+    else
+      FileUtils.cp_r to_s, dst
+    end
+    return dst
+  end
+
+  # extended to support the double extensions .tar.gz and .tar.bz2
+  def extname
+    /(\.tar\.(gz|bz2))$/.match to_s
+    return $1 if $1
+    return File.extname(to_s)
+  end
+
+  # for filetypes we support, basename without extension
+  def stem
+    return File.basename(to_s, extname)
+  end
+
+  # I don't trust the children.length == 0 check particularly, not to mention
+  # it is slow to enumerate the whole directory just to see if it is empty,
+  # instead rely on good ol' libc and the filesystem
+  def rmdir_if_possible
+    rmdir
+    true
+  rescue SystemCallError => e
+    raise unless e.errno == Errno::ENOTEMPTY::Errno or e.errno == Errno::EACCES::Errno
+    false
+  end
+  
+  def chmod_R perms
+    require 'fileutils'
+    FileUtils.chmod_R perms, to_s
+  end
+
+  def abv
+    out=''
+    n=`find #{to_s} -type f | wc -l`.to_i
+    out<<"#{n} files, " if n > 1
+    out<<`du -hd0 #{to_s} | cut -d"\t" -f1`.strip
+  end
+
+  # attempts to retrieve the version component of this path, so generally
+  # you'll call it on tarballs or extracted tarball directories, if you add
+  # to this please provide amend the unittest
+  def version
+    if directory?
+      # directories don't have extnames
+      stem=basename.to_s
+    else
+      stem=self.stem
+    end
+
+    # github tarballs are special
+    # we only support numbered tagged downloads
+    %r[github.com/.*/tarball/((\d\.)+\d)$].match to_s
+    return $1 if $1
+
+    # eg. boost_1_39_0
+    /((\d+_)+\d+)$/.match stem
+    return $1.gsub('_', '.') if $1
+
+    # eg. foobar-4.5.1-1
+    # eg. ruby-1.9.1-p243
+    /-((\d+\.)*\d\.\d+-(p|rc)?\d+)$/.match stem
+    return $1 if $1
+    
+    # eg. lame-398-1
+    /-((\d)+-\d)/.match stem
+    return $1 if $1
+
+    # eg. foobar-4.5.1
+    /-((\d+\.)*\d+)$/.match stem
+    return $1 if $1
+
+    # eg. foobar-4.5.1b
+    /-((\d+\.)*\d+([abc]|rc\d))$/.match stem
+    return $1 if $1
+
+    # eg foobar-4.5.0-beta1
+    /-((\d+\.)*\d+-beta\d+)$/.match stem
+    return $1 if $1
+
+    # eg. foobar4.5.1
+    /((\d+\.)*\d+)$/.match stem
+    return $1 if $1
+
+    # eg foobar-4.5.0-bin
+    /-((\d+\.)+\d+[abc]?)[-.](bin|src|sources)$/.match stem
+    return $1 if $1
+
+    # eg. otp_src_R13B (this is erlang's style)
+    # eg. astyle_1.23_macosx.tar.gz
+    stem.scan /_([^_]+)/ do |match|
+      return match.first if /\d/.match $1
+    end
+
+    nil
+  end
+
+  if '1.9' <= RUBY_VERSION
+    alias_method :to_str, :to_s
+  end
+end
+
+# sets $n and $d so you can observe creation of stuff
+module ObserverPathnameExtension
+  def unlink
+    super
+    puts "rm #{to_s}" if ARGV.verbose?
+    $n+=1
+  end
+  def rmdir
+    super
+    puts "rmdir #{to_s}" if ARGV.verbose?
+    $d+=1
+  end
+  def resolved_path_exists?
+    (dirname+readlink).exist?
+  end
+  def mkpath
+    super
+    puts "mkpath #{to_s}" if ARGV.verbose?
+    $d+=1
+  end
+  def make_relative_symlink src
+    dirname.mkpath
+    Dir.chdir dirname do
+      # TODO use Ruby function so we get exceptions
+      # NOTE Ruby functions may work, but I had a lot of problems
+      rv=system 'ln', '-sf', src.relative_path_from(dirname)
+      raise "Could not create symlink #{to_s}" unless rv and $? == 0
+      puts "ln #{to_s}" if ARGV.verbose?
+      $n+=1
+    end
+  end
+end
+
+$n=0
+$d=0