1 require 'git/internal/object'

2 require 'git/internal/pack'

3 require 'git/internal/loose'

4 require 'git/object'

6 module Git

7   class Repository

8     def initialize(git_dir)

9       @git_dir = git_dir

10     end

12     def get_object_by_sha1(sha1)

13       r = get_raw_object_by_sha1(sha1)

14       return nil if !r

15       Object.from_raw(r, self)

16     end

18     def get_raw_object_by_sha1(sha1)

19       sha1 = [sha1].pack("H*")

20       packs = Dir.glob(@git_dir + '/objects/pack/pack-*.pack')

22       # try packs

23       packs.each do |pack|

24         storage = Git::Internal::PackStorage.new(pack)

25         o = storage[sha1]

26         return o if o

27       end

29       # try loose storage

30       storage = Git::Internal::LooseStorage.new(@git_dir+'/objects')

31       o = storage[sha1]

32       return o if o

34       # try packs again, maybe the object got packed in the meantime

35       packs.each do |pack|

36         storage = Git::Internal::PackStorage.new(pack)

37         o = storage[sha1]

38         return o if o

39       end

41       return nil

42     end

43   end

44 end