regex: use regexec_buf()

diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index 4a44d6da13cb749759f9d6164b88974ba55485ab..cb0f6cf6782c87d7a5b08e2b75de5b4ecb2969f9 100644 (file)
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -23,6 +23,7 @@ SYNOPSIS
           [--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>...]
           [ [--[no-]exclude-standard] [--cached | --no-index | --untracked] | <tree>...]
@@ -53,9 +54,17 @@ grep.extendedRegexp::
        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
 -------
@@ -227,6 +236,10 @@ OPTIONS
        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.