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The point of these sections is generally to:
1. Give credit where it is due.
2. Give the reader an idea of where to ask questions or
file bug reports.
But they don't do a good job of either case. For (1), they
are out of date and incomplete. A much more accurate answer
can be gotten through shortlog or blame. For (2), the
correct contact point is generally git@vger, and even if you
wanted to cc the contact point, the out-of-date and
incomplete fields mean you're likely sending to somebody
useless.
So let's drop the fields entirely from all manpages except
git(1) itself. We already point people to the mailing list
for bug reports there, and we can update the Authors section
to give credit to the major contributors and point to
shortlog and blame for more information.
Each page has a "This is part of git" footer, so people can
follow that to the main git manpage.
208 lines
5.5 KiB
Text
208 lines
5.5 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' [-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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[(-O | --open-files-in-pager) [<pager>]]
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[-z | --null]
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[-c | --count] [--all-match] [-q | --quiet]
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[--max-depth <depth>]
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[--color[=<when>] | --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>...]
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[--cached | --no-index | <tree>...]
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[--] [<pathspec>...]
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DESCRIPTION
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-----------
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Look for specified patterns in the tracked files in the work tree, blobs
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registered in the index file, or blobs in given tree objects.
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OPTIONS
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-------
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--cached::
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Instead of searching tracked files in the working tree, search
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blobs registered in the index file.
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--no-index::
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Search files in the current directory, not just those tracked by git.
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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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-O [<pager>]::
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--open-files-in-pager [<pager>]::
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Open the matching files in the pager (not the output of 'grep').
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If the pager happens to be "less" or "vi", and the user
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specified only one pattern, the first file is positioned at
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the first match automatically.
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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[=<when>]::
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Show colored matches.
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The value must be always (the default), never, or auto.
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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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Same as `--color=never`.
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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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-q::
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--quiet::
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Do not output matched lines; instead, exit with status 0 when
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there is a match and with non-zero status when there isn't.
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<tree>...::
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Instead of searching tracked files in the working tree, search
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blobs in the given trees.
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\--::
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Signals the end of options; the rest of the parameters
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are <pathspec> limiters.
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<pathspec>...::
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If given, limit the search to paths matching at least one pattern.
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Both leading paths match and glob(7) patterns are supported.
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Examples
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--------
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git grep {apostrophe}time_t{apostrophe} \-- {apostrophe}*.[ch]{apostrophe}::
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Looks for `time_t` in all tracked .c and .h files in the working
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directory and its subdirectories.
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git grep -e {apostrophe}#define{apostrophe} --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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GIT
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---
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Part of the linkgit:git[1] suite
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