NAME
----
-git-grep - print lines matching a pattern
+git-grep - Print lines matching a pattern
SYNOPSIS
--------
-'git-grep' [<option>...] [-e] <pattern> [--] [<path>...]
+[verse]
+'git-grep' [--cached]
+ [-a | --text] [-I] [-i | --ignore-case] [-w | --word-regexp]
+ [-v | --invert-match] [-h|-H] [--full-name]
+ [-E | --extended-regexp] [-G | --basic-regexp]
+ [-F | --fixed-strings] [-n]
+ [-l | --files-with-matches] [-L | --files-without-match]
+ [-c | --count] [--all-match]
+ [-A <post-context>] [-B <pre-context>] [-C <context>]
+ [-f <file>] [-e] <pattern>
+ [--and|--or|--not|(|)|-e <pattern>...] [<tree>...]
+ [--] [<path>...]
DESCRIPTION
-----------
-Searches list of files `git-ls-files` produces for lines
-containing a match to the given pattern.
+Look for specified patterns in the working tree files, blobs
+registered in the index file, or given tree objects.
OPTIONS
-------
-`--`::
+--cached::
+ Instead of searching in the working tree files, check
+ the blobs registered in the index file.
+
+-a | --text::
+ Process binary files as if they were text.
+
+-i | --ignore-case::
+ Ignore case differences between the patterns and the
+ files.
+
+-I::
+ Don't match the pattern in binary files.
+
+-w | --word-regexp::
+ Match the pattern only at word boundary (either begin at the
+ beginning of a line, or preceded by a non-word character; end at
+ the end of a line or followed by a non-word character).
+
+-v | --invert-match::
+ Select non-matching lines.
+
+-h | -H::
+ By default, the command shows the filename for each
+ match. `-h` option is used to suppress this output.
+ `-H` is there for completeness and does not do anything
+ except it overrides `-h` given earlier on the command
+ line.
+
+--full-name::
+ When run from a subdirectory, the command usually
+ outputs paths relative to the current directory. This
+ option forces paths to be output relative to the project
+ top directory.
+
+-E | --extended-regexp | -G | --basic-regexp::
+ Use POSIX extended/basic regexp for patterns. Default
+ is to use basic regexp.
+
+-F | --fixed-strings::
+ Use fixed strings for patterns (don't interpret pattern
+ as a regex).
+
+-n::
+ Prefix the line number to matching lines.
+
+-l | --files-with-matches | -L | --files-without-match::
+ Instead of showing every matched line, show only the
+ names of files that contain (or do not contain) matches.
+
+-c | --count::
+ Instead of showing every matched line, show the number of
+ lines that match.
+
+-[ABC] <context>::
+ Show `context` trailing (`A` -- after), or leading (`B`
+ -- before), or both (`C` -- context) lines, and place a
+ line containing `--` between contiguous groups of
+ matches.
+
+-<num>::
+ A shortcut for specifying -C<num>.
+
+-f <file>::
+ Read patterns from <file>, one per line.
+
+-e::
+ The next parameter is the pattern. This option has to be
+ used for patterns starting with - and should be used in
+ scripts passing user input to grep. Multiple patterns are
+ combined by 'or'.
+
+--and | --or | --not | ( | )::
+ Specify how multiple patterns are combined using Boolean
+ expressions. `--or` is the default operator. `--and` has
+ higher precedence than `--or`. `-e` has to be used for all
+ patterns.
+
+--all-match::
+ When giving multiple pattern expressions combined with `--or`,
+ this flag is specified to limit the match to files that
+ have lines to match all of them.
+
+`<tree>...`::
+ Search blobs in the trees for specified patterns.
+
+\--::
Signals the end of options; the rest of the parameters
are <path> limiters.
-<option>...::
- Either an option to pass to `grep` or `git-ls-files`.
- The following are the specific `git-ls-files` options
- that may be given: `-o`, `--cached`, `--deleted`, `--others`,
- `--killed`, `--ignored`, `--modified`, `--exclude=*`,
- `--exclude-from=*`, and `--exclude-per-directory=*`.
-
- All other options will be passed to `grep`.
-
-<pattern>::
- The pattern to look for. The first non option is taken
- as the pattern; if your pattern begins with a dash, use
- `-e <pattern>`.
+Example
+-------
-<path>...::
- Optional paths to limit the set of files to be searched;
- passed to `git-ls-files`.
+git grep -e \'#define\' --and \( -e MAX_PATH -e PATH_MAX \)::
+ Looks for a line that has `#define` and either `MAX_PATH` or
+ `PATH_MAX`.
+git grep --all-match -e NODE -e Unexpected::
+ Looks for a line that has `NODE` or `Unexpected` in
+ files that have lines that match both.
Author
------
-Written by Linus Torvalds <torvalds@osdl.org>
+Originally written by Linus Torvalds <torvalds@osdl.org>, later
+revamped by Junio C Hamano.
+
Documentation
--------------