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a91f453f64
It is useful to grep directories non-recursively, e.g. when one wants to
look for all files in the toplevel directory, but not in any subdirectory,
or in Documentation/, but not in Documentation/technical/.
This patch adds support for --max-depth <depth> option to git-grep. If it is
given, git-grep descends at most <depth> levels of directories below paths
specified on the command line.
Note that if path specified on command line contains wildcards, this option
makes no sense, e.g.
$ git grep -l --max-depth 0 GNU -- 'contrib/*'
(note the quotes) will search all files in contrib/, even in
subdirectories, because '*' matches all files.
Documentation updates, bash-completion and simple test cases are also
provided.
Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
192 lines
4.6 KiB
Text
192 lines
4.6 KiB
Text
git-grep(1)
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===========
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NAME
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----
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git-grep - Print lines matching a pattern
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SYNOPSIS
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--------
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[verse]
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'git grep' [--cached]
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[-a | --text] [-I] [-i | --ignore-case] [-w | --word-regexp]
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[-v | --invert-match] [-h|-H] [--full-name]
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[-E | --extended-regexp] [-G | --basic-regexp]
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[-F | --fixed-strings] [-n]
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[-l | --files-with-matches] [-L | --files-without-match]
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[-z | --null]
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[-c | --count] [--all-match]
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[--max-depth <depth>]
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[--color | --no-color]
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[-A <post-context>] [-B <pre-context>] [-C <context>]
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[-f <file>] [-e] <pattern>
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[--and|--or|--not|(|)|-e <pattern>...] [<tree>...]
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[--] [<path>...]
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DESCRIPTION
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-----------
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Look for specified patterns in the working tree files, blobs
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registered in the index file, or given tree objects.
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OPTIONS
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-------
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--cached::
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Instead of searching in the working tree files, check
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the blobs registered in the index file.
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-a::
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--text::
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Process binary files as if they were text.
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-i::
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--ignore-case::
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Ignore case differences between the patterns and the
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files.
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-I::
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Don't match the pattern in binary files.
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--max-depth <depth>::
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For each pathspec given on command line, descend at most <depth>
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levels of directories. A negative value means no limit.
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-w::
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--word-regexp::
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Match the pattern only at word boundary (either begin at the
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beginning of a line, or preceded by a non-word character; end at
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the end of a line or followed by a non-word character).
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-v::
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--invert-match::
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Select non-matching lines.
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-h::
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-H::
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By default, the command shows the filename for each
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match. `-h` option is used to suppress this output.
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`-H` is there for completeness and does not do anything
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except it overrides `-h` given earlier on the command
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line.
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--full-name::
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When run from a subdirectory, the command usually
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outputs paths relative to the current directory. This
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option forces paths to be output relative to the project
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top directory.
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-E::
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--extended-regexp::
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-G::
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--basic-regexp::
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Use POSIX extended/basic regexp for patterns. Default
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is to use basic regexp.
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-F::
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--fixed-strings::
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Use fixed strings for patterns (don't interpret pattern
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as a regex).
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-n::
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Prefix the line number to matching lines.
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-l::
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--files-with-matches::
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--name-only::
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-L::
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--files-without-match::
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Instead of showing every matched line, show only the
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names of files that contain (or do not contain) matches.
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For better compatibility with 'git-diff', --name-only is a
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synonym for --files-with-matches.
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-z::
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--null::
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Output \0 instead of the character that normally follows a
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file name.
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-c::
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--count::
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Instead of showing every matched line, show the number of
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lines that match.
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--color::
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Show colored matches.
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--no-color::
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Turn off match highlighting, even when the configuration file
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gives the default to color output.
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-[ABC] <context>::
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Show `context` trailing (`A` -- after), or leading (`B`
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-- before), or both (`C` -- context) lines, and place a
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line containing `--` between contiguous groups of
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matches.
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-<num>::
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A shortcut for specifying -C<num>.
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-p::
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--show-function::
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Show the preceding line that contains the function name of
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the match, unless the matching line is a function name itself.
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The name is determined in the same way as 'git diff' works out
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patch hunk headers (see 'Defining a custom hunk-header' in
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linkgit:gitattributes[5]).
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-f <file>::
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Read patterns from <file>, one per line.
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-e::
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The next parameter is the pattern. This option has to be
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used for patterns starting with - and should be used in
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scripts passing user input to grep. Multiple patterns are
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combined by 'or'.
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--and::
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--or::
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--not::
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( ... )::
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Specify how multiple patterns are combined using Boolean
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expressions. `--or` is the default operator. `--and` has
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higher precedence than `--or`. `-e` has to be used for all
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patterns.
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--all-match::
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When giving multiple pattern expressions combined with `--or`,
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this flag is specified to limit the match to files that
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have lines to match all of them.
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`<tree>...`::
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Search blobs in the trees for specified patterns.
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\--::
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Signals the end of options; the rest of the parameters
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are <path> limiters.
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Example
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-------
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git grep -e \'#define\' --and \( -e MAX_PATH -e PATH_MAX \)::
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Looks for a line that has `#define` and either `MAX_PATH` or
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`PATH_MAX`.
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git grep --all-match -e NODE -e Unexpected::
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Looks for a line that has `NODE` or `Unexpected` in
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files that have lines that match both.
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Author
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------
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Originally written by Linus Torvalds <torvalds@osdl.org>, later
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revamped by Junio C Hamano.
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Documentation
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--------------
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Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
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GIT
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---
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Part of the linkgit:git[1] suite
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