Should return `void *` for raw bytes.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

We were checking for the index file, which is not assured to exist on
clean git repositories.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

add actual must_pass calls back into the repo tests and remove ./ from
beginning of temp repo path

Disable garbage collection of cross-references to prevent
double-freeing. Internal reference management is now done
with a separate method.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

They are not standard. MSVC complains about them. And that's not good.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

Signed-off-by: Vicent Marti <tanoku@gmail.com>

MSVC cannot substract void pointers. Go figure.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

Yes, these are some seriously massive changes to the external API. We
are breaking stuff.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

Signed-off-by: Vicent Marti <tanoku@gmail.com>

- Added several missing reference increases
- Add new destructor to the repository that does not GC the objects

Signed-off-by: Vicent Marti <tanoku@gmail.com>

Signed-off-by: Vicent Marti <tanoku@gmail.com>

All `git_object` instances looked up from the repository are reference
counted. User is expected to use the new `git_object_close` when an
object is no longer needed to force freeing it.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

We now store only one sorting callback that does entry comparison. This
is used when sorting the entries using a quicksort, and when looking for
a specific entry with the new search methods.

The following search methods now exist:

	git_vector_search(vector, entry)
	git_vector_search2(vector, custom_search_callback, key)

	git_vector_bsearch(vector, entry)
	git_vector_bsearch2(vector, custom_search_callback, key)

The sorting state of the vector is now stored internally.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

The methods previously known as

	git_repository_lookup
	git_repository_newobject
	git_repository_lookup_ref

are now part of their respective namespaces:

	git_object_lookup
	git_object_new
	git_reference_lookup

This makes the API more consistent with the new references API.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

Tests are now declared with detailed descriptions and a short test name:

	BEGIN_TEST(the_test0, "this is an example test that does something")
		...
	END_TEST

Modules are declared through a simple macro interface:

	BEGIN_MODULE(mod_name)
		ADD_TEST(the_test0);
		...
	END_MODULE

Error messages when tests fail have been greatly improved.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

Add test deleteref::deleting_a_ref_which_is_both_packed_and_loose_should_remove_both_tracks_in_the_filesystem()

Renaming a packed reference should not pack another reference
which happens to be in both loose and pack state.

Forces a move by creating the folder for the destination file, if it
doesn't exist.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

Test helper function which recursively copies the content of a
directory. This function has been tweaked to prevent stack overflows by
reusing the same path buffers on all recursive calls.

The following methods have been implemented:

	git_reference_packall
	git_reference_rename
	git_reference_delete

The library now has full support for packed references, including
partial and total writing. Internal documentation has been updated with
the details.

Signed-off-by: Vicent Marti <tanoku@gmail.com>