merge(3p/git): Merge git upstream at v2.26.2 r/808

1 files changed, 0 insertions, 130 deletions

diff --git a/third_party/git/Documentation/technical/api-directory-listing.txt b/third_party/git/Documentation/technical/api-directory-listing.txt
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--- a/third_party/git/Documentation/technical/api-directory-listing.txt
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-directory listing API
-=====================
-
-The directory listing API is used to enumerate paths in the work tree,
-optionally taking `.git/info/exclude` and `.gitignore` files per
-directory into account.
-
-Data structure
---------------
-
-`struct dir_struct` structure is used to pass directory traversal
-options to the library and to record the paths discovered.  A single
-`struct dir_struct` is used regardless of whether or not the traversal
-recursively descends into subdirectories.
-
-The notable options are:
-
-`exclude_per_dir`::
-
-	The name of the file to be read in each directory for excluded
-	files (typically `.gitignore`).
-
-`flags`::
-
-	A bit-field of options:
-
-`DIR_SHOW_IGNORED`:::
-
-	Return just ignored files in `entries[]`, not untracked
-	files. This flag is mutually exclusive with
-	`DIR_SHOW_IGNORED_TOO`.
-
-`DIR_SHOW_IGNORED_TOO`:::
-
-	Similar to `DIR_SHOW_IGNORED`, but return ignored files in
-	`ignored[]` in addition to untracked files in
-	`entries[]`. This flag is mutually exclusive with
-	`DIR_SHOW_IGNORED`.
-
-`DIR_KEEP_UNTRACKED_CONTENTS`:::
-
-	Only has meaning if `DIR_SHOW_IGNORED_TOO` is also set; if this is set, the
-	untracked contents of untracked directories are also returned in
-	`entries[]`.
-
-`DIR_SHOW_IGNORED_TOO_MODE_MATCHING`:::
-
-	Only has meaning if `DIR_SHOW_IGNORED_TOO` is also set; if
-	this is set, returns ignored files and directories that match
-	an exclude pattern. If a directory matches an exclude pattern,
-	then the directory is returned and the contained paths are
-	not. A directory that does not match an exclude pattern will
-	not be returned even if all of its contents are ignored. In
-	this case, the contents are returned as individual entries.
-+
-If this is set, files and directories that explicitly match an ignore
-pattern are reported. Implicitly ignored directories (directories that
-do not match an ignore pattern, but whose contents are all ignored)
-are not reported, instead all of the contents are reported.
-
-`DIR_COLLECT_IGNORED`:::
-
-	Special mode for git-add. Return ignored files in `ignored[]` and
-	untracked files in `entries[]`. Only returns ignored files that match
-	pathspec exactly (no wildcards). Does not recurse into ignored
-	directories.
-
-`DIR_SHOW_OTHER_DIRECTORIES`:::
-
-	Include a directory that is not tracked.
-
-`DIR_HIDE_EMPTY_DIRECTORIES`:::
-
-	Do not include a directory that is not tracked and is empty.
-
-`DIR_NO_GITLINKS`:::
-
-	If set, recurse into a directory that looks like a Git
-	directory.  Otherwise it is shown as a directory.
-
-The result of the enumeration is left in these fields:
-
-`entries[]`::
-
-	An array of `struct dir_entry`, each element of which describes
-	a path.
-
-`nr`::
-
-	The number of members in `entries[]` array.
-
-`alloc`::
-
-	Internal use; keeps track of allocation of `entries[]` array.
-
-`ignored[]`::
-
-	An array of `struct dir_entry`, used for ignored paths with the
-	`DIR_SHOW_IGNORED_TOO` and `DIR_COLLECT_IGNORED` flags.
-
-`ignored_nr`::
-
-	The number of members in `ignored[]` array.
-
-Calling sequence
-----------------
-
-Note: index may be looked at for .gitignore files that are CE_SKIP_WORKTREE
-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 patterns from a file (e.g. `.git/info/exclude`), call
-  `add_excludes_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.
-
-* Set options described in the Data Structure section above.
-
-* Call `read_directory()`.
-
-* Use `dir.entries[]`.
-
-* Call `clear_directory()` when none of the contained elements are no longer in use.
-
-(JC)