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Diffstat (limited to 'Documentation/git-grep.txt')
| -rw-r--r-- | Documentation/git-grep.txt | 152 |
1 files changed, 125 insertions, 27 deletions
diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt index dab0a78fa8..18b494731f 100644 --- a/Documentation/git-grep.txt +++ b/Documentation/git-grep.txt @@ -9,26 +9,62 @@ git-grep - Print lines matching a pattern SYNOPSIS -------- [verse] -'git grep' [-a | --text] [-I] [-i | --ignore-case] [-w | --word-regexp] +'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] - [-F | --fixed-strings] [-n] + [-P | --perl-regexp] + [-F | --fixed-strings] [-n | --line-number] [-l | --files-with-matches] [-L | --files-without-match] [(-O | --open-files-in-pager) [<pager>]] [-z | --null] [-c | --count] [--all-match] [-q | --quiet] [--max-depth <depth>] [--color[=<when>] | --no-color] + [--break] [--heading] [-p | --show-function] [-A <post-context>] [-B <pre-context>] [-C <context>] + [-W | --function-context] + [--threads <num>] [-f <file>] [-e] <pattern> [--and|--or|--not|(|)|-e <pattern>...] - [--cached | --no-index | <tree>...] + [--recurse-submodules] [--parent-basename <basename>] + [ [--[no-]exclude-standard] [--cached | --no-index | --untracked] | <tree>...] [--] [<pathspec>...] 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. +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.threads:: + Number of grep worker threads to use. If unset (or set to 0), + 8 threads are used by default (for now). + +grep.fullName:: + If set to true, enable `--full-name` option by default. + +grep.fallbackToNoIndex:: + If set to true, fall back to git grep --no-index if git grep + is executed outside of a git repository. Defaults to false. OPTIONS @@ -38,12 +74,38 @@ OPTIONS blobs registered in the index file. --no-index:: - Search files in the current directory, not just those tracked by git. + 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`. + +--recurse-submodules:: + Recursively search in each submodule that has been initialized and + checked out in the repository. When used in combination with the + <tree> option the prefix of all submodule output will be the name of + the parent project's <tree> object. -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 @@ -55,6 +117,9 @@ OPTIONS --max-depth <depth>:: For each <pathspec> given on command line, descend at most <depth> levels of directories. A negative value means no limit. + This option is ignored if <pathspec> 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:: @@ -87,12 +152,21 @@ OPTIONS Use POSIX extended/basic regexp for patterns. Default is to use basic regexp. +-P:: +--perl-regexp:: + Use Perl-compatible regular expressions for patterns. ++ +Support for these types of regular expressions is an optional +compile-time dependency. If Git wasn't compiled with support for them +providing this option will cause it to die. + -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:: @@ -105,12 +179,15 @@ OPTIONS For better compatibility with 'git diff', `--name-only` is a synonym for `--files-with-matches`. --O [<pager>]:: ---open-files-in-pager [<pager>]:: +-O[<pager>]:: +--open-files-in-pager[=<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 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 linkgit:git-config[1]). -z:: --null:: @@ -131,14 +208,12 @@ OPTIONS gives the default to color output. Same as `--color=never`. --[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. +--break:: + Print an empty line between matches from different files. --<num>:: - A shortcut for specifying `-C<num>`. +--heading:: + Show the filename above the matches in that file instead of + at the start of each shown line. -p:: --show-function:: @@ -148,6 +223,33 @@ OPTIONS patch hunk headers (see 'Defining a custom hunk-header' in linkgit:gitattributes[5]). +-<num>:: +-C <num>:: +--context <num>:: + Show <num> leading and trailing lines, and place a line + containing `--` between contiguous groups of matches. + +-A <num>:: +--after-context <num>:: + Show <num> trailing lines, and place a line containing + `--` between contiguous groups of matches. + +-B <num>:: +--before-context <num>:: + Show <num> 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. + +--threads <num>:: + Number of grep worker threads to use. + See `grep.threads` in 'CONFIGURATION' for more information. + -f <file>:: Read patterns from <file>, one per line. @@ -187,31 +289,27 @@ OPTIONS <pathspec>...:: If given, limit the search to paths matching at least one pattern. Both leading paths match and glob(7) patterns are supported. ++ +For more details about the <pathspec> syntax, see the 'pathspec' entry +in linkgit:gitglossary[7]. Examples -------- -git grep {apostrophe}time_t{apostrophe} \-- {apostrophe}*.[ch]{apostrophe}:: +`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 {apostrophe}#define{apostrophe} --and \( -e MAX_PATH -e PATH_MAX \):: +`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:: +`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 ------- -Originally written by Linus Torvalds <torvalds@osdl.org>, later -revamped by Junio C Hamano. - - -Documentation --------------- -Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>. +`git grep solution -- :^Documentation`:: + Looks for `solution`, excluding files in `Documentation`. GIT --- |