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treewide: rename 'exclude' methods to 'pattern'

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The first consumer of pattern-matching filenames was the
.gitignore feature. In that context, storing a list of patterns
as a 'struct exclude_list'  makes sense. However, the
sparse-checkout feature then adopted these structures and methods,
but with the opposite meaning: these patterns match the files
that should be included!

It would be clearer to rename this entire library as a "pattern
matching" library, and the callers apply exclusion/inclusion
logic accordingly based on their needs.

This commit renames several methods defined in dir.h to make
more sense with the renamed 'struct exclude_list' to 'struct
pattern_list' and 'struct exclude' to 'struct path_pattern':

 * last_exclude_matching() -> last_matching_pattern()
 * parse_exclude() -> parse_path_pattern()

In addition, the word 'exclude' was replaced with 'pattern'
in the methods below:

 * add_exclude_list()
 * add_excludes_from_file_to_list()
 * add_excludes_from_file()
 * add_excludes_from_blob_to_list()
 * add_exclude()
 * clear_exclude_list()

A few methods with the word "exclude" remain. These will
be handled seperately. In particular, the method
"is_excluded()" is concretely about the .gitignore file
relative to a specific directory. This is the important
boundary between library and consumer: is_excluded() cares
about .gitignore, but is_excluded() calls
last_matching_pattern() to make that decision.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee
2019-09-03 11:04:57 -07:00
committed by Junio C Hamano
parent 4ff89ee52c
commit 65edd96aec
11 changed files with 67 additions and 67 deletions
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6
Documentation/technical/api-directory-listing.txt
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@ -111,11 +111,11 @@ marked. If you to exclude files, make sure you have loaded index first.
* Prepare `struct dir_struct dir` and clear it with `memset(&dir, 0,
sizeof(dir))`.
* To add single exclude pattern, call `add_exclude_list()` and then
`add_exclude()`.
* To add single exclude pattern, call `add_pattern_list()` and then
`add_pattern()`.
* To add patterns from a file (e.g. `.git/info/exclude`), call
`add_excludes_from_file()` , and/or set `dir.exclude_per_dir`. A
`add_patterns_from_file()` , and/or set `dir.exclude_per_dir`. A
short-hand function `setup_standard_excludes()` can be used to set
up the standard set of exclude settings.