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authorVincent Ambo <Vincent Ambo>2020-01-11T23·36+0000
committerVincent Ambo <Vincent Ambo>2020-01-11T23·40+0000
commit7ef0d62730840ded097b524104cc0a0904591a63 (patch)
treea670f96103667aeca4789a95d94ca0dff550c4ce /third_party/git/Documentation/git-add.txt
parent6a2a3007077818e24a3d56fc492ada9206a10cf0 (diff)
parent1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5 (diff)
merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373
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+git-add(1)
+==========
+
+NAME
+----
+git-add - Add file contents to the index
+
+SYNOPSIS
+--------
+[verse]
+'git add' [--verbose | -v] [--dry-run | -n] [--force | -f] [--interactive | -i] [--patch | -p]
+	  [--edit | -e] [--[no-]all | --[no-]ignore-removal | [--update | -u]]
+	  [--intent-to-add | -N] [--refresh] [--ignore-errors] [--ignore-missing] [--renormalize]
+	  [--chmod=(+|-)x] [--] [<pathspec>...]
+
+DESCRIPTION
+-----------
+This command updates the index using the current content found in
+the working tree, to prepare the content staged for the next commit.
+It typically adds the current content of existing paths as a whole,
+but with some options it can also be used to add content with
+only part of the changes made to the working tree files applied, or
+remove paths that do not exist in the working tree anymore.
+
+The "index" holds a snapshot of the content of the working tree, and it
+is this snapshot that is taken as the contents of the next commit.  Thus
+after making any changes to the working tree, and before running
+the commit command, you must use the `add` command to add any new or
+modified files to the index.
+
+This command can be performed multiple times before a commit.  It only
+adds the content of the specified file(s) at the time the add command is
+run; if you want subsequent changes included in the next commit, then
+you must run `git add` again to add the new content to the index.
+
+The `git status` command can be used to obtain a summary of which
+files have changes that are staged for the next commit.
+
+The `git add` command will not add ignored files by default.  If any
+ignored files were explicitly specified on the command line, `git add`
+will fail with a list of ignored files.  Ignored files reached by
+directory recursion or filename globbing performed by Git (quote your
+globs before the shell) will be silently ignored.  The 'git add' command can
+be used to add ignored files with the `-f` (force) option.
+
+Please see linkgit:git-commit[1] for alternative ways to add content to a
+commit.
+
+
+OPTIONS
+-------
+<pathspec>...::
+	Files to add content from.  Fileglobs (e.g. `*.c`) can
+	be given to add all matching files.  Also a
+	leading directory name (e.g. `dir` to add `dir/file1`
+	and `dir/file2`) can be given to update the index to
+	match the current state of the directory as a whole (e.g.
+	specifying `dir` will record not just a file `dir/file1`
+	modified in the working tree, a file `dir/file2` added to
+	the working tree, but also a file `dir/file3` removed from
+	the working tree). Note that older versions of Git used
+	to ignore removed files; use `--no-all` option if you want
+	to add modified or new files but ignore removed ones.
++
+For more details about the <pathspec> syntax, see the 'pathspec' entry
+in linkgit:gitglossary[7].
+
+-n::
+--dry-run::
+	Don't actually add the file(s), just show if they exist and/or will
+	be ignored.
+
+-v::
+--verbose::
+        Be verbose.
+
+-f::
+--force::
+	Allow adding otherwise ignored files.
+
+-i::
+--interactive::
+	Add modified contents in the working tree interactively to
+	the index. Optional path arguments may be supplied to limit
+	operation to a subset of the working tree. See ``Interactive
+	mode'' for details.
+
+-p::
+--patch::
+	Interactively choose hunks of patch between the index and the
+	work tree and add them to the index. This gives the user a chance
+	to review the difference before adding modified contents to the
+	index.
++
+This effectively runs `add --interactive`, but bypasses the
+initial command menu and directly jumps to the `patch` subcommand.
+See ``Interactive mode'' for details.
+
+-e::
+--edit::
+	Open the diff vs. the index in an editor and let the user
+	edit it.  After the editor was closed, adjust the hunk headers
+	and apply the patch to the index.
++
+The intent of this option is to pick and choose lines of the patch to
+apply, or even to modify the contents of lines to be staged. This can be
+quicker and more flexible than using the interactive hunk selector.
+However, it is easy to confuse oneself and create a patch that does not
+apply to the index. See EDITING PATCHES below.
+
+-u::
+--update::
+	Update the index just where it already has an entry matching
+	<pathspec>.  This removes as well as modifies index entries to
+	match the working tree, but adds no new files.
++
+If no <pathspec> is given when `-u` option is used, all
+tracked files in the entire working tree are updated (old versions
+of Git used to limit the update to the current directory and its
+subdirectories).
+
+-A::
+--all::
+--no-ignore-removal::
+	Update the index not only where the working tree has a file
+	matching <pathspec> but also where the index already has an
+	entry. This adds, modifies, and removes index entries to
+	match the working tree.
++
+If no <pathspec> is given when `-A` option is used, all
+files in the entire working tree are updated (old versions
+of Git used to limit the update to the current directory and its
+subdirectories).
+
+--no-all::
+--ignore-removal::
+	Update the index by adding new files that are unknown to the
+	index and files modified in the working tree, but ignore
+	files that have been removed from the working tree.  This
+	option is a no-op when no <pathspec> is used.
++
+This option is primarily to help users who are used to older
+versions of Git, whose "git add <pathspec>..." was a synonym
+for "git add --no-all <pathspec>...", i.e. ignored removed files.
+
+-N::
+--intent-to-add::
+	Record only the fact that the path will be added later. An entry
+	for the path is placed in the index with no content. This is
+	useful for, among other things, showing the unstaged content of
+	such files with `git diff` and committing them with `git commit
+	-a`.
+
+--refresh::
+	Don't add the file(s), but only refresh their stat()
+	information in the index.
+
+--ignore-errors::
+	If some files could not be added because of errors indexing
+	them, do not abort the operation, but continue adding the
+	others. The command shall still exit with non-zero status.
+	The configuration variable `add.ignoreErrors` can be set to
+	true to make this the default behaviour.
+
+--ignore-missing::
+	This option can only be used together with --dry-run. By using
+	this option the user can check if any of the given files would
+	be ignored, no matter if they are already present in the work
+	tree or not.
+
+--no-warn-embedded-repo::
+	By default, `git add` will warn when adding an embedded
+	repository to the index without using `git submodule add` to
+	create an entry in `.gitmodules`. This option will suppress the
+	warning (e.g., if you are manually performing operations on
+	submodules).
+
+--renormalize::
+	Apply the "clean" process freshly to all tracked files to
+	forcibly add them again to the index.  This is useful after
+	changing `core.autocrlf` configuration or the `text` attribute
+	in order to correct files added with wrong CRLF/LF line endings.
+	This option implies `-u`.
+
+--chmod=(+|-)x::
+	Override the executable bit of the added files.  The executable
+	bit is only changed in the index, the files on disk are left
+	unchanged.
+
+\--::
+	This option can be used to separate command-line options from
+	the list of files, (useful when filenames might be mistaken
+	for command-line options).
+
+
+EXAMPLES
+--------
+
+* Adds content from all `*.txt` files under `Documentation` directory
+  and its subdirectories:
++
+------------
+$ git add Documentation/\*.txt
+------------
++
+Note that the asterisk `*` is quoted from the shell in this
+example; this lets the command include the files from
+subdirectories of `Documentation/` directory.
+
+* Considers adding content from all git-*.sh scripts:
++
+------------
+$ git add git-*.sh
+------------
++
+Because this example lets the shell expand the asterisk (i.e. you are
+listing the files explicitly), it does not consider
+`subdir/git-foo.sh`.
+
+INTERACTIVE MODE
+----------------
+When the command enters the interactive mode, it shows the
+output of the 'status' subcommand, and then goes into its
+interactive command loop.
+
+The command loop shows the list of subcommands available, and
+gives a prompt "What now> ".  In general, when the prompt ends
+with a single '>', you can pick only one of the choices given
+and type return, like this:
+
+------------
+    *** Commands ***
+      1: status       2: update       3: revert       4: add untracked
+      5: patch        6: diff         7: quit         8: help
+    What now> 1
+------------
+
+You also could say `s` or `sta` or `status` above as long as the
+choice is unique.
+
+The main command loop has 6 subcommands (plus help and quit).
+
+status::
+
+   This shows the change between HEAD and index (i.e. what will be
+   committed if you say `git commit`), and between index and
+   working tree files (i.e. what you could stage further before
+   `git commit` using `git add`) for each path.  A sample output
+   looks like this:
++
+------------
+              staged     unstaged path
+     1:       binary      nothing foo.png
+     2:     +403/-35        +1/-1 git-add--interactive.perl
+------------
++
+It shows that foo.png has differences from HEAD (but that is
+binary so line count cannot be shown) and there is no
+difference between indexed copy and the working tree
+version (if the working tree version were also different,
+'binary' would have been shown in place of 'nothing').  The
+other file, git-add{litdd}interactive.perl, has 403 lines added
+and 35 lines deleted if you commit what is in the index, but
+working tree file has further modifications (one addition and
+one deletion).
+
+update::
+
+   This shows the status information and issues an "Update>>"
+   prompt.  When the prompt ends with double '>>', you can
+   make more than one selection, concatenated with whitespace or
+   comma.  Also you can say ranges.  E.g. "2-5 7,9" to choose
+   2,3,4,5,7,9 from the list.  If the second number in a range is
+   omitted, all remaining patches are taken.  E.g. "7-" to choose
+   7,8,9 from the list.  You can say '*' to choose everything.
++
+What you chose are then highlighted with '*',
+like this:
++
+------------
+           staged     unstaged path
+  1:       binary      nothing foo.png
+* 2:     +403/-35        +1/-1 git-add--interactive.perl
+------------
++
+To remove selection, prefix the input with `-`
+like this:
++
+------------
+Update>> -2
+------------
++
+After making the selection, answer with an empty line to stage the
+contents of working tree files for selected paths in the index.
+
+revert::
+
+  This has a very similar UI to 'update', and the staged
+  information for selected paths are reverted to that of the
+  HEAD version.  Reverting new paths makes them untracked.
+
+add untracked::
+
+  This has a very similar UI to 'update' and
+  'revert', and lets you add untracked paths to the index.
+
+patch::
+
+  This lets you choose one path out of a 'status' like selection.
+  After choosing the path, it presents the diff between the index
+  and the working tree file and asks you if you want to stage
+  the change of each hunk.  You can select one of the following
+  options and type return:
+
+       y - stage this hunk
+       n - do not stage this hunk
+       q - quit; do not stage this hunk or any of the remaining ones
+       a - stage this hunk and all later hunks in the file
+       d - do not stage this hunk or any of the later hunks in the file
+       g - select a hunk to go to
+       / - search for a hunk matching the given regex
+       j - leave this hunk undecided, see next undecided hunk
+       J - leave this hunk undecided, see next hunk
+       k - leave this hunk undecided, see previous undecided hunk
+       K - leave this hunk undecided, see previous hunk
+       s - split the current hunk into smaller hunks
+       e - manually edit the current hunk
+       ? - print help
++
+After deciding the fate for all hunks, if there is any hunk
+that was chosen, the index is updated with the selected hunks.
++
+You can omit having to type return here, by setting the configuration
+variable `interactive.singleKey` to `true`.
+
+diff::
+
+  This lets you review what will be committed (i.e. between
+  HEAD and index).
+
+
+EDITING PATCHES
+---------------
+
+Invoking `git add -e` or selecting `e` from the interactive hunk
+selector will open a patch in your editor; after the editor exits, the
+result is applied to the index. You are free to make arbitrary changes
+to the patch, but note that some changes may have confusing results, or
+even result in a patch that cannot be applied.  If you want to abort the
+operation entirely (i.e., stage nothing new in the index), simply delete
+all lines of the patch. The list below describes some common things you
+may see in a patch, and which editing operations make sense on them.
+
+--
+added content::
+
+Added content is represented by lines beginning with "{plus}". You can
+prevent staging any addition lines by deleting them.
+
+removed content::
+
+Removed content is represented by lines beginning with "-". You can
+prevent staging their removal by converting the "-" to a " " (space).
+
+modified content::
+
+Modified content is represented by "-" lines (removing the old content)
+followed by "{plus}" lines (adding the replacement content). You can
+prevent staging the modification by converting "-" lines to " ", and
+removing "{plus}" lines. Beware that modifying only half of the pair is
+likely to introduce confusing changes to the index.
+--
+
+There are also more complex operations that can be performed. But beware
+that because the patch is applied only to the index and not the working
+tree, the working tree will appear to "undo" the change in the index.
+For example, introducing a new line into the index that is in neither
+the HEAD nor the working tree will stage the new line for commit, but
+the line will appear to be reverted in the working tree.
+
+Avoid using these constructs, or do so with extreme caution.
+
+--
+removing untouched content::
+
+Content which does not differ between the index and working tree may be
+shown on context lines, beginning with a " " (space).  You can stage
+context lines for removal by converting the space to a "-". The
+resulting working tree file will appear to re-add the content.
+
+modifying existing content::
+
+One can also modify context lines by staging them for removal (by
+converting " " to "-") and adding a "{plus}" line with the new content.
+Similarly, one can modify "{plus}" lines for existing additions or
+modifications. In all cases, the new modification will appear reverted
+in the working tree.
+
+new content::
+
+You may also add new content that does not exist in the patch; simply
+add new lines, each starting with "{plus}". The addition will appear
+reverted in the working tree.
+--
+
+There are also several operations which should be avoided entirely, as
+they will make the patch impossible to apply:
+
+* adding context (" ") or removal ("-") lines
+* deleting context or removal lines
+* modifying the contents of context or removal lines
+
+SEE ALSO
+--------
+linkgit:git-status[1]
+linkgit:git-rm[1]
+linkgit:git-reset[1]
+linkgit:git-mv[1]
+linkgit:git-commit[1]
+linkgit:git-update-index[1]
+
+GIT
+---
+Part of the linkgit:git[1] suite