git-grep <root
GIT-GREP(1)                                 Git Manual                                GIT-GREP(1)

NAME
       git-grep - Print lines matching a pattern

SYNOPSIS
       git grep [-a | --text] [-I] [--textconv] [-i | --ignore-case] [-w | --word-regexp]
                  [-v | --invert-match] [-h|-H] [--full-name]
                  [-E | --extended-regexp] [-G | --basic-regexp]
                  [-P | --perl-regexp]
                  [-F | --fixed-strings] [-n | --line-number]
                  [-l | --files-with-matches] [-L | --files-without-match]
                  [(-O | --open-files-in-pager) []]
                  [-z | --null]
                  [-c | --count] [--all-match] [-q | --quiet]
                  [--max-depth ]
                  [--color[=] | --no-color]
                  [--break] [--heading] [-p | --show-function]
                  [-A ] [-B ] [-C ]
                  [-W | --function-context]
                  [-f ] [-e] 
                  [--and|--or|--not|(|)|-e ...]
                  [ [--[no-]exclude-standard] [--cached | --no-index | --untracked] | ...]
                  [--] [...]

DESCRIPTION
       Look for specified patterns in the tracked files in the work tree, blobs registered in the
       index file, or blobs in given tree objects. Patterns are lists of one or more search
       expressions separated by newline characters. An empty string as search expression matches
       all lines.

CONFIGURATION
       grep.lineNumber
           If set to true, enable -n option by default.

       grep.patternType
           Set the default matching behavior. Using a value of basic, extended, fixed, or perl
           will enable the --basic-regexp, --extended-regexp, --fixed-strings, or --perl-regexp
           option accordingly, while the value default will return to the default matching
           behavior.

       grep.extendedRegexp
           If set to true, enable --extended-regexp option by default. This option is ignored
           when the grep.patternType option is set to a value other than default.

       grep.fullName
           If set to true, enable --full-name option by default.

OPTIONS
       --cached
           Instead of searching tracked files in the working tree, search blobs registered in the
           index file.

       --no-index
           Search files in the current directory that is not managed by Git.

       --untracked
           In addition to searching in the tracked files in the working tree, search also in
           untracked files.

       --no-exclude-standard
           Also search in ignored files by not honoring the .gitignore mechanism. Only useful
           with --untracked.

       --exclude-standard
           Do not pay attention to ignored files specified via the .gitignore mechanism. Only
           useful when searching files in the current directory with --no-index.

       -a, --text
           Process binary files as if they were text.

       --textconv
           Honor textconv filter settings.

       --no-textconv
           Do not honor textconv filter settings. This is the default.

       -i, --ignore-case
           Ignore case differences between the patterns and the files.

       -I
           Don’t match the pattern in binary files.

       --max-depth 
           For each  given on command line, descend at most  levels of
           directories. A negative value means no limit. This option is ignored if 
           contains active wildcards. In other words if "a*" matches a directory named "a*", "*"
           is matched literally so --max-depth is still effective.

       -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.

       -P, --perl-regexp
           Use Perl-compatible regexp for patterns. Requires libpcre to be compiled in.

       -F, --fixed-strings
           Use fixed strings for patterns (don’t interpret pattern as a regex).

       -n, --line-number
           Prefix the line number to matching lines.

       -l, --files-with-matches, --name-only, -L, --files-without-match
           Instead of showing every matched line, show only the names of files that contain (or
           do not contain) matches. For better compatibility with git diff, --name-only is a
           synonym for --files-with-matches.

       -O[], --open-files-in-pager[=]
           Open the matching files in the pager (not the output of grep). If the pager happens to
           be "less" or "vi", and the user specified only one pattern, the first file is
           positioned at the first match automatically. The pager argument is optional; if
           specified, it must be stuck to the option without a space. If pager is unspecified,
           the default pager will be used (see core.pager in git-config(1)).

       -z, --null
           Output \0 instead of the character that normally follows a file name.

       -c, --count
           Instead of showing every matched line, show the number of lines that match.

       --color[=]
           Show colored matches. The value must be always (the default), never, or auto.

       --no-color
           Turn off match highlighting, even when the configuration file gives the default to
           color output. Same as --color=never.

       --break
           Print an empty line between matches from different files.

       --heading
           Show the filename above the matches in that file instead of at the start of each shown
           line.

       -p, --show-function
           Show the preceding line that contains the function name of the match, unless the
           matching line is a function name itself. The name is determined in the same way as git
           diff works out patch hunk headers (see Defining a custom hunk-header in
           gitattributes(5)).

       -, -C , --context 
           Show  leading and trailing lines, and place a line containing -- between
           contiguous groups of matches.

       -A , --after-context 
           Show  trailing lines, and place a line containing -- between contiguous groups of
           matches.

       -B , --before-context 
           Show  leading lines, and place a line containing -- between contiguous groups of
           matches.

       -W, --function-context
           Show the surrounding text from the previous line containing a function name up to the
           one before the next function name, effectively showing the whole function in which the
           match was found.

       -f 
           Read patterns from , 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.

       -q, --quiet
           Do not output matched lines; instead, exit with status 0 when there is a match and
           with non-zero status when there isn’t.

       ...
           Instead of searching tracked files in the working tree, search blobs in the given
           trees.

       --
           Signals the end of options; the rest of the parameters are  limiters.

       ...
           If given, limit the search to paths matching at least one pattern. Both leading paths
           match and glob(7) patterns are supported.

EXAMPLES
       git grep 'time_t' -- '*.[ch]'
           Looks for time_t in all tracked .c and .h files in the working directory and its
           subdirectories.

       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.

GIT
       Part of the git(1) suite

Git 2.7.4                                   03/23/2016                                GIT-GREP(1)

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