diff --git a/.hgsigs b/.hgsigs
--- a/.hgsigs
+++ b/.hgsigs
@@ -132,3 +132,4 @@ 26a5d605b8683a292bb89aea11f37a81b06ac016
519bb4f9d3a47a6e83c2b414d58811ed38f503c2 0 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
299546f84e68dbb9bd026f0f3a974ce4bdb93686 0 iQIcBAABCAAGBQJXn3rFAAoJELnJ3IJKpb3VmZoQAK0cdOfi/OURglnN0vYYGwdvSXTPpZauPEYEpwML3dW1j6HRnl5L+H8D8vlYzahK95X4+NNBhqtyyB6wmIVI0NkYfXfd6ACntJE/EnTdLIHIP2NAAoVsggIjiNr26ubRegaD5ya63Ofxz+Yq5iRsUUfHet7o+CyFhExyzdu+Vcz1/E9GztxNfTDVpC/mf+RMLwQTfHOhoTVbaamLCmGAIjw39w72X+vRMJoYNF44te6PvsfI67+6uuC0+9DjMnp5eL/hquSQ1qfks71rnWwxuiPcUDZloIueowVmt0z0sO4loSP1nZ5IP/6ZOoAzSjspqsxeay9sKP0kzSYLGsmCi29otyVSnXiKtyMCW5z5iM6k8XQcMi5mWy9RcpqlNYD7RUTn3g0+a8u7F6UEtske3/qoweJLPhtTmBNOfDNw4JXwOBSZea0QnIIjCeCc4ZGqfojPpbvcA4rkRpxI23YoMrT2v/kp4wgwrqK9fi8ctt8WbXpmGoAQDXWj2bWcuzj94HsAhLduFKv6sxoDz871hqjmjjnjQSU7TSNNnVzdzwqYkMB+BvhcNYxk6lcx3Aif3AayGdrWDubtU/ZRNoLzBwe6gm0udRMXBj4D/60GD6TIkYeL7HjJwfBb6Bf7qvQ6y7g0zbYG9uwBmMeduU7XchErGqQGSEyyJH3DG9OLaFOj
ccd436f7db6d5d7b9af89715179b911d031d44f1 0 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
+149433e68974eb5c63ccb03f794d8b57339a80c4 0 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
diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -145,3 +145,4 @@ 26a5d605b8683a292bb89aea11f37a81b06ac016
519bb4f9d3a47a6e83c2b414d58811ed38f503c2 3.9-rc
299546f84e68dbb9bd026f0f3a974ce4bdb93686 3.9
ccd436f7db6d5d7b9af89715179b911d031d44f1 3.9.1
+149433e68974eb5c63ccb03f794d8b57339a80c4 3.9.2
diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -4355,20 +4355,23 @@ def _dograft(ui, repo, *revs, **opts):
_('[OPTION]... PATTERN [FILE]...'),
inferrepo=True)
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.
"""
diff --git a/tests/test-globalopts.t b/tests/test-globalopts.t
--- a/tests/test-globalopts.t
+++ b/tests/test-globalopts.t
@@ -307,7 +307,7 @@ Testing -h/--help:
files list tracked files
forget forget the specified files on the next commit
graft copy changes from other branches onto the current branch
- grep search for a pattern in specified files and revisions
+ grep search revision history for a pattern in specified files
heads show branch heads
help show help for a given topic or a help overview
identify identify the working directory or specified revision
@@ -390,7 +390,7 @@ Testing -h/--help:
files list tracked files
forget forget the specified files on the next commit
graft copy changes from other branches onto the current branch
- grep search for a pattern in specified files and revisions
+ grep search revision history for a pattern in specified files
heads show branch heads
help show help for a given topic or a help overview
identify identify the working directory or specified revision
diff --git a/tests/test-help.t b/tests/test-help.t
--- a/tests/test-help.t
+++ b/tests/test-help.t
@@ -69,7 +69,7 @@ Short help:
files list tracked files
forget forget the specified files on the next commit
graft copy changes from other branches onto the current branch
- grep search for a pattern in specified files and revisions
+ grep search revision history for a pattern in specified files
heads show branch heads
help show help for a given topic or a help overview
identify identify the working directory or specified revision
@@ -146,7 +146,7 @@ Short help:
files list tracked files
forget forget the specified files on the next commit
graft copy changes from other branches onto the current branch
- grep search for a pattern in specified files and revisions
+ grep search revision history for a pattern in specified files
heads show branch heads
help show help for a given topic or a help overview
identify identify the working directory or specified revision
@@ -784,7 +784,7 @@ Test that default list of commands omits
files list tracked files
forget forget the specified files on the next commit
graft copy changes from other branches onto the current branch
- grep search for a pattern in specified files and revisions
+ grep search revision history for a pattern in specified files
heads show branch heads
help show help for a given topic or a help overview
identify identify the working directory or specified revision
@@ -2201,7 +2201,7 @@ Dish up an empty repo; serve it cold.
grep
|
- search for a pattern in specified files and revisions
+ search revision history for a pattern in specified files
|
|
diff --git a/tests/test-hgweb-json.t b/tests/test-hgweb-json.t
--- a/tests/test-hgweb-json.t
+++ b/tests/test-hgweb-json.t
@@ -1467,7 +1467,7 @@ help/ shows help topics
"topic": "graft"
},
{
- "summary": "search for a pattern in specified files and revisions",
+ "summary": "search revision history for a pattern in specified files",
"topic": "grep"
},
{
|