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Description: Piston is a utility that eases vendor branch management. This repository is a complete reimplementation of Piston to provide different backends, depending on the repositories and working copies you pistonize from.
Homepage: http://piston.rubyforge.org/
Clone URL: git://github.com/francois/piston.git
Search Repo: 
Repository#at must now be able to instantiate a revision/commit using 
recalled values.
francois (author)
Thu Apr 17 10:39:57 -0700 2008
commit  95c4d49e376dfbccdf97608c6c19fafe092bb7a4
tree    cfc18341ac9ab4be61ef6f4310cb5c9b03649d3a
parent  7a1cadb6b18c86be4a5c798a4415c051bc255ca8
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lib/piston/git/repository.rb 
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@@ -35,6 +35,8 @@
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       def at(commit)
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         case commit
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+        when Hash
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+          Piston::Git::Commit.new(self, commit[Piston::Git::COMMIT])
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         when :head
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           Piston::Git::Commit.new(self, "HEAD")
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         else
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lib/piston/svn/repository.rb 
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@@ -36,14 +36,18 @@
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       end
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       def at(revision)
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-        rev = case
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-              when revision == :head
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+        if revision.respond_to?(:keys) then
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+          rev = revision[Piston::Svn::REMOTE_REV]
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+        else
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+          rev = case
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+                when revision == :head
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                 "HEAD"
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-              when revision.to_i != 0
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-                revision.to_i
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-              else
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-                raise ArgumentError, "Invalid revision argument: #{revision.inspect}"
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-              end
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+                when revision.to_i != 0
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+                  revision.to_i
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+                else
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+                  raise ArgumentError, "Invalid revision argument: #{revision.inspect}"
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+                end
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+        end
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         Piston::Svn::Revision.new(self, rev)
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       end
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test/unit/test_git_repository_at.rb 
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     Piston::Git::Commit.expects(:new).with(@repos, "HEAD").returns(commit = mock("commit"))
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     assert_equal commit, @repos.at(:head)
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   end
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+
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+  def test_returns_a_git_commit_using_recalled_values
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+    Piston::Git::Commit.expects(:new).with(@repos, "a"*40).returns(commit = mock("commit"))
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+    assert_equal commit, @repos.at(Piston::Git::COMMIT => "a"*40)
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+  end
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 end
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test/unit/test_svn_repository_at.rb 
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     Piston::Svn::Revision.expects(:new).with(@repos, "HEAD").returns(:newrev)
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     assert_equal :newrev, @repos.at(:head)
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   end
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+
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+  def test_instantiate_revision_using_recalled_values
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+    Piston::Svn::Revision.expects(:new).with(@repos, 9123).returns(:newrev)
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+    assert_equal :newrev, @repos.at(Piston::Svn::REMOTE_REV => 9123,
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+                                    Piston::Svn::UUID => "5ecf4fe2-1ee6-0310-87b1-e25e094e27de")
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+  end
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 end

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