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Viewing changes to lib/grit/git-ruby/internal/loose.rb

  • Committer: Package Import Robot
  • Author(s): Ondřej Surý
  • Date: 2013-04-15 09:24:29 UTC
  • Revision ID: package-import@ubuntu.com-20130415092429-e4w4shogdsmakpcp
Tags: 2.5.0-1
http://bugs.debian.org/705448
Initial release (Closes: #705448)

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lib/grit/git-ruby/internal/loose.rb
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require 'zlib'
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require 'digest/sha1'
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require 'grit/git-ruby/internal/raw_object'
 
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require 'tempfile'
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module Grit
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  module GitRuby
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          return RawObject.new(type, content)
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        end
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        # write an object to a temporary file, then atomically rename it
 
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        # into place; this ensures readers never see a half-written file
 
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        def safe_write(path, content)
 
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          f =
 
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            if RUBY_VERSION >= '1.9'
 
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              Tempfile.open("tmp_obj_", File.dirname(path), :opt => "wb")
 
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            else
 
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              Tempfile.open("tmp_obj_", File.dirname(path))
 
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            end
 
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          begin
 
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            f.write content
 
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            f.fsync
 
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            File.link(f.path, path)
 
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          rescue Errno::EEXIST
 
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            # The path already exists; we raced with another process,
 
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            # but it's OK, because by definition the content is the
 
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            # same. So we can just ignore the error.
 
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          ensure
 
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            f.unlink
 
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            f.close
 
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          end
 
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        end
 
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        # currently, I'm using the legacy format because it's easier to do
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        # this function takes content and a type and writes out the loose object and returns a sha
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        def put_raw_object(content, type)
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            content = Zlib::Deflate.deflate(store)
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            FileUtils.mkdir_p(@directory+'/'+sha1[0...2])
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            File.open(path, 'wb') do |f|
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              f.write content
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            end
 
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            safe_write(path, content)
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          end
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          return sha1
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        end