hg grep

search for a pattern in specified files

Search the working directory or revision history for a regular expression in the specified files for the entire repository.

By default, grep searches the repository files in the working directory and prints the files where it finds a match. To specify historical revisions instead of the working directory, use the –rev flag.

To search instead historical revision differences 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 –diff flag.

PATTERN can be any Python (roughly Perl-compatible) regular expression.

If no FILEs are specified and the –rev flag isn’t supplied, all files in the working directory are searched. When using the –rev flag and specifying FILEs, use the –follow argument to also follow the specified FILEs across renames and copies.

Template:

The following keywords are supported in addition to the common template keywords and functions. See also `hg help templates`.

change:

String. Character denoting insertion + or removal -. Available if --diff is specified.

lineno:

Integer. Line number of the match.

path:

String. Repository-absolute path of the file.

texts:

List of text chunks.

And each entry of {texts} provides the following sub-keywords.

matched:

Boolean. True if the chunk matches the specified pattern.

text:

String. Chunk content.

See `hg help templates.operators` for the list expansion syntax.

Returns 0 if a match is found, 1 otherwise.