% help
keyword extension - expand keywords in tracked files
This extension expands RCS/CVS-like or self-customized $Keywords$ in tracked
text files selected by your configuration.
Keywords are only expanded in local repositories and not stored in the change
history. The mechanism can be regarded as a convenience for the current user
or for archive distribution.
Configuration is done in the [keyword] and [keywordmaps] sections of hgrc
files.
Example:
    [keyword]
    # expand keywords in every python file except those matching "x*"
    **.py =
    x*    = ignore
Note: the more specific you are in your filename patterns the less you lose
      speed in huge repositories.
For [keywordmaps] template mapping and expansion demonstration and control run
"hg kwdemo".
An additional date template filter {date|utcdate} is provided.
The default template mappings (view with "hg kwdemo -d") can be replaced with
customized keywords and templates. Again, run "hg kwdemo" to control the
results of your config changes.
Before changing/disabling active keywords, run "hg kwshrink" to avoid the risk
of inadvertently storing expanded keywords in the change history.
To force expansion after enabling it, or a configuration change, run "hg
kwexpand".
Also, when committing with the record extension or using mq's qrecord, be
aware that keywords cannot be updated. Again, run "hg kwexpand" on the files
in question to update keyword expansions after all changes have been checked
in.
Expansions spanning more than one line and incremental expansions, like CVS'
$Log$, are not supported. A keyword template map "Log = {desc}" expands to the
first line of the changeset description.
Caveat: With Mercurial versions prior to 4574925db5c0 "hg import" might
        cause rejects if the patch context contains an active keyword. In that
        case run "hg kwshrink", and then reimport. Or, better, use
        bundle/unbundle to share changes.
 kwdemo     print [keywordmaps] configuration and an expansion example
 kwexpand   expand keywords in the working directory
 kwfiles    show files configured for keyword expansion
 kwshrink   revert expanded keywords in the working directory
% hg kwdemo
[extensions]
hgext.keyword = 
[keyword]
* = 
b = ignore
demo.txt = 
[keywordmaps]
RCSFile = {file|basename},v
Author = {author|user}
Header = {root}/{file},v {node|short} {date|utcdate} {author|user}
Source = {root}/{file},v
Date = {date|utcdate}
Id = {file|basename},v {node|short} {date|utcdate} {author|user}
Revision = {node|short}
$RCSFile: demo.txt,v $
$Author: test $
$Header: /TMP/demo.txt,v xxxxxxxxxxxx 2000/00/00 00:00:00 test $
$Source: /TMP/demo.txt,v $
$Date: 2000/00/00 00:00:00 $
$Id: demo.txt,v xxxxxxxxxxxx 2000/00/00 00:00:00 test $
$Revision: xxxxxxxxxxxx $
[extensions]
hgext.keyword = 
[keyword]
* = 
b = ignore
demo.txt = 
[keywordmaps]
Branch = {branches}
$Branch: demobranch $
% kwshrink should exit silently in empty/invalid repo
pulling from test-keyword.hg
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
% cat
expand $Id$
do not process $Id:
xxx $
ignore $Id$
% addremove
adding a
adding b
% status
A a
A b
% default keyword expansion including commit hook
% commit
a
b
overwriting a expanding keywords
running hook commit.test: cp a hooktest
% status
? hooktest
% identify
475643d17242
% cat
expand $Id: a,v 475643d17242 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
ignore $Id$
% hg cat
expand $Id: a,v 475643d17242 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
ignore $Id$

% diff a hooktest
% removing commit hook from config
% bundle
% pull from bundle
pulling from ../kw.hg
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 3 changes to 3 files
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
% touch
% status
% update
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
% cat
expand $Id: a,v 475643d17242 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
ignore $Id$
% check whether expansion is filewise
% commit c
adding c
% force expansion
overwriting a expanding keywords
overwriting c expanding keywords
% compare changenodes in a c
expand $Id: a,v 475643d17242 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
$Id: c,v c08ff8b9d54e 1970/01/01 00:00:01 user $
tests for different changenodes
% qinit -c
% qimport
% qcommit
% keywords should not be expanded in patch
# HG changeset patch
# User User Name <user@example.com>
# Date 1 0
# Node ID c08ff8b9d54ebf87b428631bd34b3d8b69cbf72f
# Parent  475643d17242703d20c30af0fc52b30fd231c6f6
cndiff

diff -r 475643d17242 -r c08ff8b9d54e c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/c	Thu Jan 01 00:00:01 1970 +0000
@@ -0,0 +1,2 @@
+$Id$
+tests for different changenodes
% qpop
Patch queue now empty
% qpush
applying mqtest.diff
Now at: mqtest.diff
% cat
$Id: c,v c08ff8b9d54e 1970/01/01 00:00:01 user $
tests for different changenodes
% qpop and move on
Patch queue now empty
% copy
% kwfiles added
a
c
% commit
c
 c: copy a:0045e12f6c5791aac80ca6cbfd97709a88307292
overwriting c expanding keywords
% cat a c
expand $Id: a,v 475643d17242 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
expand $Id: c,v 1acf8f3ab611 1970/01/01 00:00:01 user $
do not process $Id:
xxx $
% touch copied c after 1 second
% status
% kwfiles
a
c
% diff --rev
diff -r 475643d17242 c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,3 @@
+expand $Id$
+do not process $Id:
+xxx $
% rollback
rolling back last transaction
% status
A c
% update -C
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
% custom keyword expansion
% try with kwdemo
[extensions]
hgext.keyword = 
[keyword]
* = 
b = ignore
demo.txt = 
[keywordmaps]
Xinfo = {author}: {desc}
$Xinfo: test: hg keyword config and expansion example $
% cat
expand $Id: a,v 475643d17242 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
ignore $Id$
% hg cat
expand $Id: a 475643d17242 Thu, 01 Jan 1970 00:00:00 +0000 user $
do not process $Id:
xxx $
ignore $Id$
% commit
a
overwriting a expanding keywords
% status
% verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
3 files, 3 changesets, 4 total revisions
% cat
expand $Id: a 9ea11ce3ca13 Thu, 01 Jan 1970 00:00:02 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <user@example.com>: firstline $
ignore $Id$
% hg cat
expand $Id: a 9ea11ce3ca13 Thu, 01 Jan 1970 00:00:02 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <user@example.com>: firstline $
ignore $Id$
a
% annotate
1: expand $Id$
1: do not process $Id:
1: xxx $
2: $Xinfo$
% remove
% status
% rollback
rolling back last transaction
% status
R a
% revert a
% cat a
expand $Id: a 9ea11ce3ca13 Thu, 01 Jan 1970 00:00:02 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <user@example.com>: firstline $
% clone to test incoming
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 3 changes to 3 files
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
% incoming
searching for changes
changeset:   2:9ea11ce3ca13
tag:         tip
user:        User Name <user@example.com>
date:        Thu Jan 01 00:00:02 1970 +0000
summary:     firstline

% kwexpand/kwshrink on selected files
% copy a x/a
% kwexpand a
overwriting a expanding keywords
% kwexpand x/a should abort
abort: outstanding uncommitted changes
x/a
 x/a: copy a:779c764182ce5d43e2b1eb66ce06d7b47bfe342e
overwriting x/a expanding keywords
% cat a
expand $Id: x/a 93c8b61c99cd Thu, 01 Jan 1970 00:00:03 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <user@example.com>: xa $
% kwshrink a inside directory x
overwriting x/a shrinking keywords
% cat a
expand $Id$
do not process $Id:
xxx $
$Xinfo$
% kwexpand nonexistent
nonexistent:
% switch off expansion
% kwshrink with unknown file u
overwriting a shrinking keywords
overwriting x/a shrinking keywords
% cat
expand $Id$
do not process $Id:
xxx $
$Xinfo$
ignore $Id$
% hg cat
expand $Id: a 9ea11ce3ca13 Thu, 01 Jan 1970 00:00:02 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <user@example.com>: firstline $
ignore $Id$
% cat
expand $Id$
do not process $Id:
xxx $
$Xinfo$
ignore $Id$
% hg cat
expand $Id$
do not process $Id:
xxx $
$Xinfo$
ignore $Id$