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83c95128
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2011-03-24T14:15:00
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normalize_name: allow more references under refs/
Allow any well-formed reference name to live under refs/ removing the
condition that they be under refs/{heads,tags,remotes}/ as was the
design of git.
An exception is made for HEAD which is allowed to contain an OID
reference in detached HEAD state.
Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
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9a53df7e
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2011-03-29T19:40:02
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refs: Don't allow references to inexistent OIDs
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95cde17c
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2011-03-29T19:22:21
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Enforce coding conventions in refs.c
Internal methods are static and without the git prefix.
'Force' methods have a `_f` prefix to match the other 'force' methods.
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dad4a4d5
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2011-03-29T10:47:48
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rename: don't return early if the target ref exists
Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
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fa204962
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2011-03-28T12:00:50
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Allow forcing the creation or renaming of references
Add internal reference create and rename functions which take a force
parameter, telling them to overwrite an existing reference if it
exists.
These functions try to update the reference if it's of the same type
as the one it's going to be replaced by. Otherwise the old reference
becomes invalid.
Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
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09e8de0f
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2011-03-25T23:53:38
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New external API method: `git_reference_listcb`
List all the references in the repository, calling a custom
callback for each one.
The listed references may be filtered by type, or using
a bitwise OR of several types. Use the magic value
`GIT_REF_LISTALL` to obtain all references, including
packed ones.
The `callback` function will be called for each of the references
in the repository, and will receive the name of the reference and
the `payload` value passed to this method.
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567fc1d2
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2011-03-22T12:47:53
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refs loose_lookup: also free the buffer on success
Free the ref_file buffer at the end of the function also on
success. This fixes a small memory leak.
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7341bf87
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2011-03-16T23:13:28
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Refs are now always in-sync on disk
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b5abb881
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2011-03-15T19:55:01
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Do not segfault when listing unpacked references
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7ad96e51
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2011-03-15T05:38:50
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Remove duplicate refs in `git_reference_listall`
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7c8a7b91
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2011-03-15T02:45:49
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Skip the optional header in packed-refs files
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6b2a1941
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2011-03-12T23:09:16
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Fix the retarded object interdependency system
It's no longer retarded. All object interdependencies are stored as OIDs
instead of actual objects. This should be hundreds of times faster,
specially on big repositories. Heck, who knows, maye it doesn't even
segfault -- wouldn't that be awesome?
What has changed on the API?
`git_commit_parent`, `git_commit_tree`, `git_tag_target` now return
their values through a pointer-to-pointer, and have an error code.
`git_commit_set_tree` and `git_tag_set_target` now return an error
code and may fail.
`git_repository_free__no_gc` has been deprecated because it's
stupid. Since there are no longer any interdependencies between
objects, we don't need internal reference counting, and GC
never fails or double-free's pointers.
`git_object_close` now does a very sane thing: marks an object
as unused. Closed objects will be eventually free'd from the
object cache based on LRU. Please use `git_object_close` from
the garbage collector `destroy` method on your bindings. It's
100% safe.
`git_repository_gc` is a new method that forces a garbage collector
pass through the repo, to free as many LRU objects as possible.
This is useful if we are running out of memory.
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00571828
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2011-03-12T16:04:46
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Add new method `git_reference_listall`
Lists all the references in a repository. Listing may be filtered by
reference type.
This should applease Lord Clem.
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55ffebe3
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2011-03-05T14:34:32
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Fix creation of deeply-rooted references
Use a new `gitfo_creat_force` that will create the full path to a file
before creating it.
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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e06dd9b6
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2011-03-04T15:23:52
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Fix 'possibly uninitialized variable' warning
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5ad0351d
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2011-03-03T19:58:07
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Fix reference removal: remove packed refs together with loose ones
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8f90ced5
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2011-03-03T19:55:48
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Fix corner case in reference renaming
Renaming a packed reference should not pack another reference
which happens to be in both loose and pack state.
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86d7e1ca
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2011-02-28T12:46:13
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Fix searching in git_vector
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>
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5de079b8
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2011-02-28T12:12:26
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Change the object creation/lookup API
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>
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19a30a3f
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2011-03-03T19:53:17
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Add new move function, `gitfo_mv_force`
Forces a move by creating the folder for the destination file, if it
doesn't exist.
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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129007b4
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2011-03-03T19:43:11
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Fix refs renaming to prevent renaming with an invalid name
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e2d42622
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2011-03-03T19:41:27
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Fix reference renaming to prevent duplicated names
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76f7cf70
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2011-03-03T19:38:54
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Fix reference renaming implementation to match standard git behavior
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0594e3ef
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2011-03-03T19:36:54
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Prevent _dirent_loose_load() from choking on empty folders
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87d3acf4
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2011-02-27T22:31:43
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Finish the References API
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>
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86194b24
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2011-02-18T21:57:53
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Split packed from unpacked references
These two reference types are now stored separately to eventually allow
the removal/renaming of loose references and rewriting of the refs
packfile.
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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32054c24
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2011-02-18T18:09:19
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Brush up the refs API
Changed some more API details and updated documentation.
Sketched API for addition/removal of entries.
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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1d8cc731
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2011-02-14T22:29:22
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Refactored the reference creation API.
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e1be1028
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2011-02-13T20:18:35
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Added some more tests to ensure the correct behavior of git_reference__normalize_name().
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aa2120e9
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2011-02-10T15:08:00
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Added git_reference__normalize_name() along with tests.
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fc658755
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2011-02-22T21:59:36
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Rewrite git_hashtable internals
The old hash table with chained buckets has been replaced by a new one
using Cuckoo hashing, which offers guaranteed constant lookup times.
This should improve speeds on most use cases, since hash tables in
libgit2 are usually used as caches where the objects are stored once and
queried several times.
The Cuckoo hash implementation is based off the one in the Basekit
library [1] for the IO language, but rewritten to support an arbritrary
number of hashes. We currently use 3 to maximize the usage of the nodes pool.
[1]: https://github.com/stevedekorte/basekit/blob/master/source/CHash.c
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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817c2820
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2011-02-21T17:05:16
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Rewrite all file IO for more performance
The new `git_filebuf` structure provides atomic high-performance writes
to disk by using a write cache, and optionally a double-buffered scheme
through a worker thread (not enabled yet).
Writes can be done 3-layered, like in git.git (user code -> write cache
-> disk), or 2-layered, by writing directly on the cache. This makes
index writing considerably faster.
The `git_filebuf` structure contains all the old functionality of
`git_filelock` for atomic file writes and reads. The `git_filelock`
structure has been removed.
Additionally, the `git_filebuf` API allows to automatically hash (SHA1)
all the data as it is written to disk (hashing is done smartly on big
chunks to improve performance).
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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995f9c34
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2011-02-09T12:43:19
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Use the new git__joinpath to build paths in methods
The `git__joinpath` function has been changed to use a statically
allocated buffer; we assume the buffer to be 4096 bytes, because fuck
you.
The new method also supports an arbritrary number of paths to join,
which may come in handy in the future.
Some methods which were manually joining paths with `strcpy` now use the
new function, namely those in `index.c` and `refs.c`.
Based on Emeric Fermas' original patch, which was using the old
`git__joinpath` because I'm stupid. Thanks!
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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ddc9e79a
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2011-02-02T06:16:50
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Fix more issues with Win32 EOL
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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ff5873ad
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2011-02-02T04:01:14
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Fix EOL issues in ref parsing under Win32
Reference files can be loaded using Win32 line endings, too.
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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2f8a8ab2
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2011-01-29T01:56:25
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Refactor reference parsing code
Several changes have been committed to allow the user to create
in-memory references and write back to disk. Peeling of symbolic
references has been made explicit. Added getter and setter methods for
all attributes on a reference. Added corresponding documentation.
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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9282e921
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2010-12-27T20:34:19
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Merge nulltoken's reference parsing code
All the commits have been squashed into a single one before refactoring
the final code, to keep everything tidy.
Individual commit messages are as follows:
Added repository reference looking up functionality placeholder.
Added basic reference database definition and caching infrastructure.
Removed useless constant.
Added GIT_EINVALIDREFNAME error and description. Added missing description for GIT_EBAREINDEX.
Added GIT_EREFCORRUPTED error and description.
Added GIT_ETOONESTEDSYMREF error and description.
Added resolving of direct and symbolic references.
Prepared the packed-refs parsing.
Added parsing of the packed-refs file content.
When no loose reference has been found, the full content of the packed-refs file is parsed. All of the new (i.e. not previously parsed as a loose reference) references are eagerly stored in the cached references storage.
The method packed_reference_file__parse() is in deer need of some refactoring. :-)
Extracted to a method the parsing of the peeled target of a tag.
Extracted to a method the parsing of a standard packed ref.
Fixed leaky removal of the cached references.
Ensured that a previously parsed packed reference isn't returned if a more up-to-date loose reference exists.
Enhanced documentation of git_repository_reference_lookup().
Moved some refs related constants from repository.c to refs.h.
Made parsing of a packed tag reference more robust.
Updated git_repository_reference_lookup() documentation.
Added some references to the test repository.
Added some tests covering tag references looking up.
Added some tests covering symbolic and head references looking up.
Added some tests covering packed references looking up.
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