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Diffstat (limited to 'Cellar/homebrew/brewkit.rb')
| -rw-r--r-- | Cellar/homebrew/brewkit.rb | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/Cellar/homebrew/brewkit.rb b/Cellar/homebrew/brewkit.rb new file mode 100644 index 000000000..92ab72104 --- /dev/null +++ b/Cellar/homebrew/brewkit.rb @@ -0,0 +1,116 @@ +# Copyright 2009 Max Howell <max@methylblue.com> +# Licensed as per the GPL version 3 +require 'FileUtils' +require 'Find' +require 'Pathname' +$agent = "Homebrew 0.1 (Ruby; Mac OS X 10.5 Leopard)" +$cellar = Pathname.new(__FILE__).dirname.parent.realpath + +class Formula + # if you reimplement, assign @name, @version, @url and @md5 + def initialize(url, md5) + @name = File.basename $0, '.rb' #original script that the interpreter started + @url = url + @md5 = md5 + + # pls improve this version extraction crap + filename=File.basename url + i=filename.index /[-_]\d/ + unless i.nil? + /^((\d+[.-])*\d+)/.match filename[i+1,1000] #1000 because rubysucks + @version = $1 + else + # no divisor or a '.' divisor, eg. dmd.1.11.zip + /^[a-zA-Z._-]*((\d+\.)*\d+)/.match filename + @version = $1 + end + end + + #yields a Pathname object for the installation prefix + def brew + raise "@name.nil?" if @name.nil? + raise "@version.nil?" if @version.nil? + raise "@name does not validate to our regexp" unless /^\w+$/ =~ @name + + prefix=$cellar+@name+@version + raise "#{prefix} already exists!" if prefix.exist? + + appsupport = File.expand_path "~/Library/Application Support/Homebrew" + FileUtils.mkpath appsupport unless File.exist? appsupport + Dir.chdir appsupport do + tgz=Pathname.new self.fetch + raise "MD5 mismatch" unless `md5 -q "#{tgz}"`.strip == @md5.downcase + + # we make an additional subdirectory so know exactly what we are + # recursively deleting later + # we use mktemp rather than appsupport/blah because some build scripts + # can't handle being built in a directory with spaces in it :P + tmp=nil + begin + tmp=`mktemp -dt #{@name}-#{@version}`.strip + Dir.chdir tmp do + Dir.chdir uncompress(tgz) do + yield prefix + #TODO copy changelog or CHANGES file to pkg root, + #TODO maybe README, etc. to versioned root + end + end + ensure + FileUtils.rm_rf tmp + end + + # stay in appsupport in case any odd files gets created etc. + `#{$cellar}/homebrew/brew ln #{prefix}` if prefix.exist? + + puts "#{prefix}: "+`find #{prefix} | wc -l`.strip+' files, '+`du -hd0 #{prefix} | cut -d"\t" -f1`.strip + end + end + + def version + @version + end + def name + @name + end + +protected + def fetch + tgz=File.expand_path File.basename(@url) + `curl -LOA "#{$agent}" "#{@url}"` unless File.exists? tgz + return tgz + end + + def uncompress(path) + if path.extname == '.zip' + `unzip -qq "#{path}"` + else + `tar xf "#{path}"` + end + + raise "Compression tool failed" if $? != 0 + + entries=Dir['*'] + raise "Empty tar!" if entries.nil? or entries.length == 0 + raise "Too many folders in uncompressed result. You need to reimplement the Recipe.uncompress function." if entries.length > 1 + return entries.first + end + +private + def method_added(method) + raise 'You cannot override Formula.brew' if method == 'brew' + end +end + + +def inreplace(path, before, after) + # we're not using Ruby because the perl script is more concise + `perl -pi -e "s|#{before}|#{after}|g" "#{path}"` +end + + +########################################################################script +if $0 == __FILE__ + d=$cellar.parent+'bin' + d.mkpath unless d.exist? + (d+'brew').make_symlink $cellar+'homebrew'+'brew' +end
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