kmx git

Commit	Date	Message
d05218b0	2015-02-19T11:25:26	filter: add `git_filter_list__load_ext` Refactor `git_filter_list__load_with_attr_reader` into `git_filter_list__load_ext`, which takes a `git_filter_options`.
795eaccd	2015-02-19T11:09:54	git_filter_opt_t -> git_filter_flag_t For consistency with the rest of the library, where an opt is an options structure.
d4cf1675	2015-02-19T10:05:33	buffer: introduce git_buf_attach_notowned Provide a convenience function that creates a buffer that can be provided to callers but will not be freed via `git_buf_free`, so the buffer creator maintains the allocation lifecycle of the buffer's contents.
f7c0125f	2015-02-18T09:28:07	filter streams: base -> parent
b75f15aa	2015-02-18T09:25:32	git_writestream: from git_filter_stream
646364e7	2015-02-17T20:25:31	checkout: maintain temporary buffer for filters Let the filters use the checkout data's temporary buffer, instead of having to allocate new buffers each time.
e78f5c9f	2015-01-22T16:11:36	checkout: stream the blob into the filters Use the new streaming filter API during checkout.
5555696f	2015-01-22T16:11:22	filters: stream internally Migrate the `git_filter_list_apply_*` functions over to using the new filter streams.
fbdc9db3	2015-01-22T16:10:06	filters: introduce streaming filters Add structures and preliminary functions to take a buffer, file or blob and write the contents in chunks through an arbitrary number of chained filters, finally writing into a user-provided function accept the contents.
f1453c59	2015-02-12T12:19:37	Make our overflow check look more like gcc/clang's Make our overflow checking look more like gcc and clang's, so that we can substitute it out with the compiler instrinsics on platforms that support it. This means dropping the ability to pass `NULL` as an out parameter. As a result, the macros also get updated to reflect this as well.
392702ee	2015-02-09T23:41:13	allocations: test for overflow of requested size Introduce some helper macros to test integer overflow from arithmetic and set error message appropriately.
9f779aac	2015-01-29T14:40:55	attrcache: don't re-read attrs during checkout During checkout, assume that the .gitattributes files aren't modified during the checkout. Instead, create an "attribute session" during checkout. Assume that attribute data read in the same checkout "session" hasn't been modified since the checkout started. (But allow subsequent checkouts to invalidate the cache.) Further, cache nonexistent git_attr_file data even when .gitattributes files are not found to prevent re-scanning for nonexistent files.
5623e627	2014-10-09T11:44:05	git_filter: dup the filter name
af567e88	2014-05-12T10:44:13	Merge pull request #2334 from libgit2/rb/fix-2333 Be more careful with user-supplied buffers
45c53eb6	2014-05-08T10:46:04	Use unsigned type for APIs with opt flag mask
1e4976cb	2014-05-08T10:17:14	Be more careful with user-supplied buffers This adds in missing calls to `git_buf_sanitize` and fixes a number of places where `git_buf` APIs could inadvertently write NUL terminator bytes into invalid buffers. This also changes the behavior of `git_buf_sanitize` to NUL terminate a buffer if it can and of `git_buf_shorten` to do nothing if it can. Adds tests of filtering code with zeroed (i.e. unsanitized) buffer which was previously triggering a segfault.
5269008c	2014-05-06T16:01:49	Add filter options and ALLOW_UNSAFE Diff and status do not want core.safecrlf to actually raise an error regardless of the setting, so this extends the filter API with an additional options flags parameter and adds a flag so that filters can be applied with GIT_FILTER_OPT_ALLOW_UNSAFE, indicating that unsafe filter application should be downgraded from a failure to a warning.
424222f4	2014-04-25T15:49:26	Filter: Make sure to release local on error
9cfce273	2013-12-12T12:11:38	Cleanups, renames, and leak fixes This renames git_vector_free_all to the better git_vector_free_deep and also contains a couple of memory leak fixes based on valgrind checks. The fixes are specifically: failure to free global dir path variables when not compiled with threading on and failure to free filters from the filter registry that had not be initialized fully.
71379313	2013-09-23T13:40:23	Fix warnings on Windows 64-bit build
eefc32d5	2013-09-16T12:54:40	Bug fixes and cleanups This contains a few bug fixes and some header and API cleanups. The main API change is that filters should now use GIT_PASSTHROUGH to indicate that they wish to skip processing a file instead of GIT_ENOTFOUND. The bug fixes include a possible out-of-range buffer access in the ident filter, a filter ordering problem I introduced into the custom filter tests on Windows, and a filter buf NUL termination issue that was coming up on Linux.
37f9e409	2013-09-13T21:43:00	Some tests with ident and crlf filters Fixed the filter order to match core Git, too. This test demonstrates an interesting behavior of core Git (which is totally reasonable and which libgit2 matches, although mostly by coincidence). If you use the ident filter and commit a file with a garbage ident in it, like '$Id: this is just garbage$' and then immediately do a 'git checkout-index' with the new file, Git will not consider the file out of date and will not overwrite the file with an updated $Id$. Libgit2 has the same behavior. If you remove the file and then do a checkout-index, it will be replaced with a filtered version that has injected the OID correctly.
e399c7ee	2013-09-13T09:50:05	Fix win32 warnings I wish MSVC understood that "const char **" is not a const ptr, but it a non-const pointer to an array of const ptrs. Does that seem like too much to ask.
b47349b8	2013-09-12T14:48:24	Port tests from PR 1683 This ports over some of the tests from https://github.com/libgit2/libgit2/pull/1683 by @yorah and @ethomson
a9f51e43	2013-09-11T22:00:36	Merge git_buf and git_buffer This makes the git_buf struct that was used internally into an externally available structure and eliminates the git_buffer. As part of that, some of the special cases that arose with the externally used git_buffer were blended into the git_buf, such as being careful about git_buf objects that may have a NULL ptr and allowing for bufs with a valid ptr and size but zero asize as a way of referring to externally owned data.
4b11f25a	2013-09-11T16:38:33	Add ident filter This adds the ident filter (that knows how to replace $Id$) and tweaks the filter APIs and code so that git_filter_source objects actually have the updated OID of the object being filtered when it is a known value.
40cb40fa	2013-09-11T14:23:39	Add functions to manipulate filter lists Extend the git2/sys/filter API with functions to look up a filter and add it manually to a filter list. This requires some trickery because the regular attribute lookups and checks are bypassed when this happens, but in the right hands, it will allow a user to have granular control over applying filters.
0646634e	2013-09-11T12:45:37	Update filter registry code This updates the git filter registry to be a little cleaner and plugs some memory leaks.
29e92d38	2013-09-10T16:53:09	Hook up filter initialize callback I knew I forgot something
2a7d224f	2013-09-10T16:33:32	Extend public filter api with filter lists This moves the git_filter_list into the public API so that users can create, apply, and dispose of filter lists. This allows more granular application of filters to user data outside of libgit2 internals. This also converts all the internal usage of filters to the public APIs along with a few small tweaks to make it easier to use the public git_buffer stuff alongside the internal git_buf.
974774c7	2013-09-09T16:57:34	Add attributes to filters and fix registry The filter registry as implemented was too primitive to actually work once multiple filters were coming into play. This expands the implementation of the registry to handle multiple prioritized filters correctly. Additionally, this adds an "attributes" field to a filter that makes it really really easy to implement filters that are based on one or more attribute values. The lookup and even simple value checking can all happen automatically without custom filter code. Lastly, with the registry improvements, this fills out the filter lifecycle callbacks, with initialize and shutdown callbacks that will be called before the filter is first used and after it is last invoked. This allows for system-wide initialization and cleanup by the filter.
570ba25c	2013-08-30T16:02:07	Make git_filter_source opaque
85d54812	2013-08-28T16:44:04	Create public filter object and use it This creates include/sys/filter.h with a basic definition of a git_filter and then converts the internal code to use it. There are related internal objects (git_filter_list) that we will want to publish at some point, but this is a first step.
10c06114	2013-03-17T04:46:46	Several warnings detected by static code analyzer fixed Implicit type conversion argument of function to size_t type Suspicious sequence of types castings: size_t -> int -> size_t Consider reviewing the expression of the 'A = B == C' kind. The expression is calculated as following: 'A = (B == C)' Unsigned type is never < 0
359fc2d2	2013-01-08T17:07:25	update copyrights
7bf87ab6	2012-11-28T09:58:48	Consolidate text buffer functions There are many scattered functions that look into the contents of buffers to do various text manipulations (such as escaping or unescaping data, calculating text stats, guessing if content is binary, etc). This groups all those functions together into a new file and converts the code to use that. This has two enhancements to existing functionality. The old text stats function is significantly rewritten and the BOM detection code was extended (although largely we can't deal with anything other than a UTF8 BOM).
c902f5a0	2012-11-01T12:11:24	Update of text stats calculation Do not interpret 0x85 as Next Line (NEL) char when gathering statistics for a text file.
5e4cb4f4	2012-09-17T10:38:57	checkout : reduce memory usage when not filtering
3aa443a9	2012-08-20T16:56:45	checkout: introduce git_checkout_tree()
7cae2bcd	2012-07-21T20:11:37	filter: fix memory leak
9587895f	2012-07-16T12:06:23	Migrate code to git_filter_blob_contents. Also removes the unnecessary check for filter length, since git_filters_apply does the right thing when there are none, and it's more efficient than this.
f2d42eea	2012-07-09T20:21:22	Checkout: add structure for CRLF.
e172cf08	2012-05-18T01:21:06	errors: Rename the generic return codes
3fbcac89	2012-05-02T19:56:38	Remove old and unused error codes
b8802146	2012-05-01T19:16:14	Merge remote-tracking branch 'carlosmn/remaining-errors' into new-error-handling Conflicts: src/refspec.c
fa6420f7	2012-04-29T21:46:33	buf: deploy git_buf_len()
3aa351ea	2012-04-26T15:05:07	error handling: move the missing parts over to the new error handling
2bc8fa02	2012-04-17T10:14:24	Implement git_pool paged memory allocator This adds a `git_pool` object that can do simple paged memory allocation with free for the entire pool at once. Using this, you can replace many small allocations with large blocks that can then cheaply be doled out in small pieces. This is best used when you plan to free the small blocks all at once - for example, if they represent the parsed state from a file or data stream that are either all kept or all discarded. There are two real patterns of usage for `git_pools`: either for "string" allocation, where the item size is a single byte and you end up just packing the allocations in together, or for "fixed size" allocation where you are allocating a large object (e.g. a `git_oid`) and you generally just allocation single objects that can be tightly packed. Of course, you can use it for other things, but those two cases are the easiest.
ce49c7a8	2012-03-02T15:09:40	Add filter tests and fix some bugs This adds some initial unit tests for file filtering and fixes some simple bugs in filter application.
f2c25d18	2012-03-02T20:08:00	config: Implement a proper cvar cache
47a899ff	2012-03-01T21:19:51	filter: Beautiful refactoring Comments soothe my soul.
788430c8	2012-03-01T05:06:47	filter: Properly cache filter settings
c5266eba	2012-03-01T01:16:25	filter: Precache the filter config options on load
27950fa3	2012-02-29T01:26:03	filter: Add write-to CRLF filter
450b40ca	2012-02-28T01:13:32	filter: Load attributes for file
44b1ff4c	2012-02-27T04:31:05	filter: Apply filters before writing a file to the ODB Initial implementation. The relevant code is in `blob.c`: the blob write function has been split into smaller functions. - Directly write a file to the ODB in streaming mode - Directly write a symlink to the ODB in direct mode - Apply a filter, and write a file to the ODB in direct mode When trying to write a file, we first call `git_filter__load_for_file`, which populates a filters array with the required filters based on the filename. If no filters are resolved to the filename, we can write to the ODB in streaming mode straight from disk. Otherwise, we load the whole file in memory and use double-buffering to apply the filter chain. We finish by writing the file as a whole to the ODB.

d05218b0

2015-02-19T11:25:26

filter: add `git_filter_list__load_ext` Refactor `git_filter_list__load_with_attr_reader` into `git_filter_list__load_ext`, which takes a `git_filter_options`.

795eaccd

2015-02-19T11:09:54

git_filter_opt_t -> git_filter_flag_t For consistency with the rest of the library, where an opt is an options *structure*.

d4cf1675

2015-02-19T10:05:33

buffer: introduce git_buf_attach_notowned Provide a convenience function that creates a buffer that can be provided to callers but will not be freed via `git_buf_free`, so the buffer creator maintains the allocation lifecycle of the buffer's contents.

f7c0125f

2015-02-18T09:28:07

filter streams: base -> parent

b75f15aa

2015-02-18T09:25:32

git_writestream: from git_filter_stream

646364e7

2015-02-17T20:25:31

checkout: maintain temporary buffer for filters Let the filters use the checkout data's temporary buffer, instead of having to allocate new buffers each time.

e78f5c9f

2015-01-22T16:11:36

checkout: stream the blob into the filters Use the new streaming filter API during checkout.

5555696f

2015-01-22T16:11:22

filters: stream internally Migrate the `git_filter_list_apply_*` functions over to using the new filter streams.

fbdc9db3

2015-01-22T16:10:06

filters: introduce streaming filters Add structures and preliminary functions to take a buffer, file or blob and write the contents in chunks through an arbitrary number of chained filters, finally writing into a user-provided function accept the contents.

f1453c59

2015-02-12T12:19:37

Make our overflow check look more like gcc/clang's Make our overflow checking look more like gcc and clang's, so that we can substitute it out with the compiler instrinsics on platforms that support it. This means dropping the ability to pass `NULL` as an out parameter. As a result, the macros also get updated to reflect this as well.

392702ee

2015-02-09T23:41:13

allocations: test for overflow of requested size Introduce some helper macros to test integer overflow from arithmetic and set error message appropriately.

9f779aac

2015-01-29T14:40:55

attrcache: don't re-read attrs during checkout During checkout, assume that the .gitattributes files aren't modified during the checkout. Instead, create an "attribute session" during checkout. Assume that attribute data read in the same checkout "session" hasn't been modified since the checkout started. (But allow subsequent checkouts to invalidate the cache.) Further, cache nonexistent git_attr_file data even when .gitattributes files are not found to prevent re-scanning for nonexistent files.

5623e627

2014-10-09T11:44:05

git_filter: dup the filter name

af567e88

2014-05-12T10:44:13

Merge pull request #2334 from libgit2/rb/fix-2333 Be more careful with user-supplied buffers

45c53eb6

2014-05-08T10:46:04

Use unsigned type for APIs with opt flag mask

1e4976cb

2014-05-08T10:17:14

Be more careful with user-supplied buffers This adds in missing calls to `git_buf_sanitize` and fixes a number of places where `git_buf` APIs could inadvertently write NUL terminator bytes into invalid buffers. This also changes the behavior of `git_buf_sanitize` to NUL terminate a buffer if it can and of `git_buf_shorten` to do nothing if it can. Adds tests of filtering code with zeroed (i.e. unsanitized) buffer which was previously triggering a segfault.

5269008c

2014-05-06T16:01:49

Add filter options and ALLOW_UNSAFE Diff and status do not want core.safecrlf to actually raise an error regardless of the setting, so this extends the filter API with an additional options flags parameter and adds a flag so that filters can be applied with GIT_FILTER_OPT_ALLOW_UNSAFE, indicating that unsafe filter application should be downgraded from a failure to a warning.

424222f4

2014-04-25T15:49:26

Filter: Make sure to release local on error

9cfce273

2013-12-12T12:11:38

Cleanups, renames, and leak fixes This renames git_vector_free_all to the better git_vector_free_deep and also contains a couple of memory leak fixes based on valgrind checks. The fixes are specifically: failure to free global dir path variables when not compiled with threading on and failure to free filters from the filter registry that had not be initialized fully.

71379313

2013-09-23T13:40:23

Fix warnings on Windows 64-bit build

eefc32d5

2013-09-16T12:54:40

Bug fixes and cleanups This contains a few bug fixes and some header and API cleanups. The main API change is that filters should now use GIT_PASSTHROUGH to indicate that they wish to skip processing a file instead of GIT_ENOTFOUND. The bug fixes include a possible out-of-range buffer access in the ident filter, a filter ordering problem I introduced into the custom filter tests on Windows, and a filter buf NUL termination issue that was coming up on Linux.

37f9e409

2013-09-13T21:43:00

Some tests with ident and crlf filters Fixed the filter order to match core Git, too. This test demonstrates an interesting behavior of core Git (which is totally reasonable and which libgit2 matches, although mostly by coincidence). If you use the ident filter and commit a file with a garbage ident in it, like '$Id: this is just garbage$' and then immediately do a 'git checkout-index' with the new file, Git will not consider the file out of date and will not overwrite the file with an updated $Id$. Libgit2 has the same behavior. If you remove the file and then do a checkout-index, it will be replaced with a filtered version that has injected the OID correctly.

e399c7ee

2013-09-13T09:50:05

Fix win32 warnings I wish MSVC understood that "const char **" is not a const ptr, but it a non-const pointer to an array of const ptrs. Does that seem like too much to ask.

b47349b8

2013-09-12T14:48:24

Port tests from PR 1683 This ports over some of the tests from https://github.com/libgit2/libgit2/pull/1683 by @yorah and @ethomson

a9f51e43

2013-09-11T22:00:36

Merge git_buf and git_buffer This makes the git_buf struct that was used internally into an externally available structure and eliminates the git_buffer. As part of that, some of the special cases that arose with the externally used git_buffer were blended into the git_buf, such as being careful about git_buf objects that may have a NULL ptr and allowing for bufs with a valid ptr and size but zero asize as a way of referring to externally owned data.

4b11f25a

2013-09-11T16:38:33

Add ident filter This adds the ident filter (that knows how to replace $Id$) and tweaks the filter APIs and code so that git_filter_source objects actually have the updated OID of the object being filtered when it is a known value.

40cb40fa

2013-09-11T14:23:39

Add functions to manipulate filter lists Extend the git2/sys/filter API with functions to look up a filter and add it manually to a filter list. This requires some trickery because the regular attribute lookups and checks are bypassed when this happens, but in the right hands, it will allow a user to have granular control over applying filters.

0646634e

2013-09-11T12:45:37

Update filter registry code This updates the git filter registry to be a little cleaner and plugs some memory leaks.

29e92d38

2013-09-10T16:53:09

Hook up filter initialize callback I knew I forgot something

2a7d224f

2013-09-10T16:33:32

Extend public filter api with filter lists This moves the git_filter_list into the public API so that users can create, apply, and dispose of filter lists. This allows more granular application of filters to user data outside of libgit2 internals. This also converts all the internal usage of filters to the public APIs along with a few small tweaks to make it easier to use the public git_buffer stuff alongside the internal git_buf.

974774c7

2013-09-09T16:57:34

Add attributes to filters and fix registry The filter registry as implemented was too primitive to actually work once multiple filters were coming into play. This expands the implementation of the registry to handle multiple prioritized filters correctly. Additionally, this adds an "attributes" field to a filter that makes it really really easy to implement filters that are based on one or more attribute values. The lookup and even simple value checking can all happen automatically without custom filter code. Lastly, with the registry improvements, this fills out the filter lifecycle callbacks, with initialize and shutdown callbacks that will be called before the filter is first used and after it is last invoked. This allows for system-wide initialization and cleanup by the filter.

570ba25c

2013-08-30T16:02:07

Make git_filter_source opaque

85d54812

2013-08-28T16:44:04

Create public filter object and use it This creates include/sys/filter.h with a basic definition of a git_filter and then converts the internal code to use it. There are related internal objects (git_filter_list) that we will want to publish at some point, but this is a first step.

10c06114

2013-03-17T04:46:46

Several warnings detected by static code analyzer fixed Implicit type conversion argument of function to size_t type Suspicious sequence of types castings: size_t -> int -> size_t Consider reviewing the expression of the 'A = B == C' kind. The expression is calculated as following: 'A = (B == C)' Unsigned type is never < 0

359fc2d2

2013-01-08T17:07:25

update copyrights

7bf87ab6

2012-11-28T09:58:48

Consolidate text buffer functions There are many scattered functions that look into the contents of buffers to do various text manipulations (such as escaping or unescaping data, calculating text stats, guessing if content is binary, etc). This groups all those functions together into a new file and converts the code to use that. This has two enhancements to existing functionality. The old text stats function is significantly rewritten and the BOM detection code was extended (although largely we can't deal with anything other than a UTF8 BOM).

c902f5a0

2012-11-01T12:11:24

Update of text stats calculation Do not interpret 0x85 as Next Line (NEL) char when gathering statistics for a text file.

5e4cb4f4

2012-09-17T10:38:57

checkout : reduce memory usage when not filtering

3aa443a9

2012-08-20T16:56:45

checkout: introduce git_checkout_tree()

7cae2bcd

2012-07-21T20:11:37

filter: fix memory leak

9587895f

2012-07-16T12:06:23

Migrate code to git_filter_blob_contents. Also removes the unnecessary check for filter length, since git_filters_apply does the right thing when there are none, and it's more efficient than this.

f2d42eea

2012-07-09T20:21:22

Checkout: add structure for CRLF.

e172cf08

2012-05-18T01:21:06

errors: Rename the generic return codes

3fbcac89

2012-05-02T19:56:38

Remove old and unused error codes

b8802146

2012-05-01T19:16:14

Merge remote-tracking branch 'carlosmn/remaining-errors' into new-error-handling Conflicts: src/refspec.c

fa6420f7

2012-04-29T21:46:33

buf: deploy git_buf_len()

3aa351ea

2012-04-26T15:05:07

error handling: move the missing parts over to the new error handling

2bc8fa02

2012-04-17T10:14:24

Implement git_pool paged memory allocator This adds a `git_pool` object that can do simple paged memory allocation with free for the entire pool at once. Using this, you can replace many small allocations with large blocks that can then cheaply be doled out in small pieces. This is best used when you plan to free the small blocks all at once - for example, if they represent the parsed state from a file or data stream that are either all kept or all discarded. There are two real patterns of usage for `git_pools`: either for "string" allocation, where the item size is a single byte and you end up just packing the allocations in together, or for "fixed size" allocation where you are allocating a large object (e.g. a `git_oid`) and you generally just allocation single objects that can be tightly packed. Of course, you can use it for other things, but those two cases are the easiest.

ce49c7a8

2012-03-02T15:09:40

Add filter tests and fix some bugs This adds some initial unit tests for file filtering and fixes some simple bugs in filter application.

f2c25d18

2012-03-02T20:08:00

config: Implement a proper cvar cache

47a899ff

2012-03-01T21:19:51

filter: Beautiful refactoring Comments soothe my soul.

788430c8

2012-03-01T05:06:47

filter: Properly cache filter settings

c5266eba

2012-03-01T01:16:25

filter: Precache the filter config options on load

27950fa3

2012-02-29T01:26:03

filter: Add write-to CRLF filter

450b40ca

2012-02-28T01:13:32

filter: Load attributes for file

44b1ff4c

2012-02-27T04:31:05

filter: Apply filters before writing a file to the ODB Initial implementation. The relevant code is in `blob.c`: the blob write function has been split into smaller functions. - Directly write a file to the ODB in streaming mode - Directly write a symlink to the ODB in direct mode - Apply a filter, and write a file to the ODB in direct mode When trying to write a file, we first call `git_filter__load_for_file`, which populates a filters array with the required filters based on the filename. If no filters are resolved to the filename, we can write to the ODB in streaming mode straight from disk. Otherwise, we load the whole file in memory and use double-buffering to apply the filter chain. We finish by writing the file as a whole to the ODB.

thodg/libgit2/src/filter.c

src/filter.c

Log