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baad182c
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2011-03-28T11:31:58
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Add GIT_EEXISTS error code
Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
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72a3fe42
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2011-03-18T19:38:49
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I broke your bindings
Hey. Apologies in advance -- I broke your bindings.
This is a major commit that includes a long-overdue redesign of the
whole object-database structure. This is expected to be the last major
external API redesign of the library until the first non-alpha release.
Please get your bindings up to date with these changes. They will be
included in the next minor release. Sorry again!
Major features include:
- Real caching and refcounting on parsed objects
- Real caching and refcounting on objects read from the ODB
- Streaming writes & reads from the ODB
- Single-method writes for all object types
- The external API is now partially thread-safe
The speed increases are significant in all aspects, specially when
reading an object several times from the ODB (revwalking) and when
writing big objects to the ODB.
Here's a full changelog for the external API:
blob.h
------
- Remove `git_blob_new`
- Remove `git_blob_set_rawcontent`
- Remove `git_blob_set_rawcontent_fromfile`
- Rename `git_blob_writefile` -> `git_blob_create_fromfile`
- Change `git_blob_create_fromfile`:
The `path` argument is now relative to the repository's working dir
- Add `git_blob_create_frombuffer`
commit.h
--------
- Remove `git_commit_new`
- Remove `git_commit_add_parent`
- Remove `git_commit_set_message`
- Remove `git_commit_set_committer`
- Remove `git_commit_set_author`
- Remove `git_commit_set_tree`
- Add `git_commit_create`
- Add `git_commit_create_v`
- Add `git_commit_create_o`
- Add `git_commit_create_ov`
tag.h
-----
- Remove `git_tag_new`
- Remove `git_tag_set_target`
- Remove `git_tag_set_name`
- Remove `git_tag_set_tagger`
- Remove `git_tag_set_message`
- Add `git_tag_create`
- Add `git_tag_create_o`
tree.h
------
- Change `git_tree_entry_2object`:
New signature is `(git_object **object_out, git_repository *repo, git_tree_entry *entry)`
- Remove `git_tree_new`
- Remove `git_tree_add_entry`
- Remove `git_tree_remove_entry_byindex`
- Remove `git_tree_remove_entry_byname`
- Remove `git_tree_clearentries`
- Remove `git_tree_entry_set_id`
- Remove `git_tree_entry_set_name`
- Remove `git_tree_entry_set_attributes`
object.h
------------
- Remove `git_object_new
- Remove `git_object_write`
- Change `git_object_close`:
This method is now *mandatory*. Not closing an object causes a
memory leak.
odb.h
-----
- Remove type `git_rawobj`
- Remove `git_rawobj_close`
- Rename `git_rawobj_hash` -> `git_odb_hash`
- Change `git_odb_hash`:
New signature is `(git_oid *id, const void *data, size_t len, git_otype type)`
- Add type `git_odb_object`
- Add `git_odb_object_close`
- Change `git_odb_read`:
New signature is `(git_odb_object **out, git_odb *db, const git_oid *id)`
- Change `git_odb_read_header`:
New signature is `(size_t *len_p, git_otype *type_p, git_odb *db, const git_oid *id)`
- Remove `git_odb_write`
- Add `git_odb_open_wstream`
- Add `git_odb_open_rstream`
odb_backend.h
-------------
- Change type `git_odb_backend`:
New internal signatures are as follows
int (* read)(void **, size_t *, git_otype *, struct git_odb_backend *, const git_oid *)
int (* read_header)(size_t *, git_otype *, struct git_odb_backend *, const git_oid *)
int (* writestream)(struct git_odb_stream **, struct git_odb_backend *, size_t, git_otype)
int (* readstream)( struct git_odb_stream **, struct git_odb_backend *, const git_oid *)
- Add type `git_odb_stream`
- Add enum `git_odb_streammode`
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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6a0895ad
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2011-02-11T13:58:40
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Added GIT_EINVALIDREFSTATE error.
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c836c332
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2011-02-05T09:29:37
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Make more methods return error codes
git_revwalk_next now returns an error code when the iteration is over.
git_repository_index now returns an error code when the index file could
not be opened.
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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f2c24713
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2011-01-26T20:29:06
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Made path prettifying functions return GIT_EINVALIDPATH instead of GIT_ERROR.
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9f54fe48
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2010-12-23T00:15:09
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Remove git_errno
It was not being used by any methods (only by malloc and calloc), and
since it needs to be TLS, it cannot be exported on DLLs on Windows.
Burn it with fire. The API always returns error codes!
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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a8bfce69
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2010-11-05T03:50:24
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Add string descriptions for all error codes
Old descriptions have been updated and new ones have been added for the
'git_strerror' function.
Signed-off-by: Vicent Marti <tanoku@gmail.com>
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0ef9d2aa
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2010-01-03T22:56:54
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Fix some "signed v unsigned comparison" warnings with -Wextra
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
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7dd8a9f7
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2008-12-30T23:26:38
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Set GIT_EOSERR when the OS errno should be consulted
This error code indicates the OS error code has a better value
describing the last error, as it is likely a network or local
file IO problem identified by a C library function call.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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64a47c01
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2008-12-30T23:21:36
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Wrap malloc and friends and report out of memory as GIT_ENOMEM
We now forbid direct use of malloc, strdup or calloc within the
library and instead use wrapper functions git__malloc, etc. to
invoke the underlying library malloc and set git_errno to a no
memory error code if the allocation fails.
In the future once we have pack objects in memory we are likely
to enhance these routines with garbage collection logic to purge
cached pack data when allocations fail. Because the size of the
function will grow somewhat large, we don't want to mark them for
inline as gcc tends to aggressively inline, creating larger than
expected executables.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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a1d34bc0
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2008-12-30T21:49:38
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Support building on Mac OS X by using pthread_getspecific for TLS
The Mach-O format does not permit gcc to implement the __thread
TLS specification, so we must instead emulate it using a single
int cell allocated from memory and stored inside of the thread
specific data associated with the current pthread.
What makes this tricky is git_errno must be a valid lvalue, so
we really need to return a pointer to the caller and deference it
as part of the git_errno macro.
The GCC-specific __attribute__((constructor)) extension is used
to ensure the pthread_key_t is allocated before any Git functions
are executed in the library, as this is necessary to access our
thread specific storage.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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ae234862
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2008-11-18T22:20:15
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Add an embryo of a TLS-aware error handling system
This adds the per-thread global variable git_errno to the
system, which callers can examine to get information about
an error.
Two helper functions are added to reduce LoC-count for the
library code itself.
Also, some exceptions are made for running sparse on GIT_TLS
definitions, since it doesn't grok thread-local variables at
all.
Signed-off-by: Andreas Ericsson <ae@op5.se>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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