[PATCH stable] grep: rewrite help to better document current (confusing) behavior
raf at durin42.com
Fri Sep 23 14:21:34 EDT 2016
On Fri, Sep 23, 2016 at 12:46:01PM -0500, Kevin Bullock wrote:
> # HG changeset patch
> # User Kevin Bullock <kbullock+mercurial at ringworld.org>
> # Date 1474652710 18000
> # Fri Sep 23 12:45:10 2016 -0500
> # Branch stable
> # Node ID 081544f94cd76301a5d678b96f57baa2a1544df1
> # Parent e7766022a61a66a7c4218526b647f96bd442a4ce
> grep: rewrite help to better document current (confusing) behavior
Queued per both my review and Jordi's review on IRC. Thanks.
> diff --git a/mercurial/commands.py b/mercurial/commands.py
> --- a/mercurial/commands.py
> +++ b/mercurial/commands.py
> @@ -4288,20 +4288,23 @@ def _dograft(ui, repo, *revs, **opts):
> _('[OPTION]... PATTERN [FILE]...'),
> def grep(ui, repo, pattern, *pats, **opts):
> - """search for a pattern in specified files and revisions
> - Search revisions of files for a regular expression.
> - This command behaves differently than Unix grep. It only accepts
> - Python/Perl regexps. It searches repository history, not the
> - working directory. It always prints the revision number in which a
> - match appears.
> - By default, grep only prints output for the first revision of a
> + """search revision history for a pattern in specified files
> + Search revision history for a regular expression in the specified
> + files or the entire project.
> + By default, grep prints the most recent revision number for each
> file in which it finds a match. To get it to print every revision
> - that contains a change in match status ("-" for a match that
> - becomes a non-match, or "+" for a non-match that becomes a match),
> - use the --all flag.
> + that contains a change in match status ("-" for a match that becomes
> + a non-match, or "+" for a non-match that becomes a match), use the
> + --all flag.
> + PATTERN can be any Python (roughly Perl-compatible) regular
> + expression.
> + If no FILEs are specified (and -f/--follow isn't set), all files in
> + the repository are searched, including those that don't exist in the
> + current branch or have been deleted in a prior changeset.
> Returns 0 if a match is found, 1 otherwise.
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