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keyword extension - keyword expansion in local repositories

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 repos.

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 inadvertedly 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.

list of commands:

 kwdemo     print [keywordmaps] configuration and an expansion example
 kwexpand   expand keywords in working directory
 kwfiles    print files currently configured for keyword expansion
 kwshrink   revert expanded keywords in working directory

use "hg -v help keyword" to show aliases and global options
% 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
% cat
expand $Id$
do not process $Id:
xxx $
expand $Id$
do not process $Id:
xxx $
ignore $Id$
% addremove
adding a
adding b
adding sym
% status
A a
A b
A sym
% default keyword expansion including commit hook
% interrupted commit should not change state or run commit hook
a
b
sym
transaction abort!
rollback completed
abort: empty commit message
% status
A a
A b
A sym
% commit
a
b
sym
overwriting a expanding keywords
running hook commit.test: cp a hooktest
% status
? hooktest
% identify
f782df5f9602
% cat
expand $Id: a,v f782df5f9602 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
expand $Id: a,v f782df5f9602 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
ignore $Id$
% hg cat
expand $Id: a,v f782df5f9602 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
ignore $Id$
a
% diff a hooktest
% removing commit hook from config
% touch
% status
% update
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
% cat
expand $Id: a,v f782df5f9602 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
expand $Id: a,v f782df5f9602 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 f782df5f9602 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
$Id: c,v ba4426d1938e 1970/01/01 00:00:01 user $
tests for different changenodes
% qimport
% keywords should not be expanded in patch
# HG changeset patch
# User User Name <[e-mail]>
# Date 1 0
# Node ID ba4426d1938ec9673e03ab274d88c44e24618f7f
# Parent  f782df5f9602483b4e51c31a12315f353bba380c
cndiff

diff -r f782df5f9602 -r ba4426d1938e 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
% qgoto - should imply qpush
applying mqtest.diff
Now at: mqtest.diff
% cat
$Id: c,v ba4426d1938e 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 f782df5f9602 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
expand $Id: c,v 0ba462c0f077 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 f782df5f9602 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 f782df5f9602 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
expand $Id: a,v f782df5f9602 1970/01/01 00:00:00 user $
do not process $Id:
xxx $
ignore $Id$
% hg cat
expand $Id: a f782df5f9602 Thu, 01 Jan 1970 00:00:00 +0000 user $
do not process $Id:
xxx $
ignore $Id$
a
% interrupted commit should not change state
transaction abort!
rollback completed
abort: empty commit message
% status
M a
? log
% commit
a
overwriting a expanding keywords
% status
% cat
expand $Id: a 0729690beff6 Thu, 01 Jan 1970 00:00:02 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <[e-mail]>: firstline $
expand $Id: a 0729690beff6 Thu, 01 Jan 1970 00:00:02 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <[e-mail]>: firstline $
ignore $Id$
% hg cat
expand $Id: a 0729690beff6 Thu, 01 Jan 1970 00:00:02 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <[e-mail]>: firstline $
ignore $Id$
a
% remove
% status
% rollback
rolling back last transaction
% status
R a
% revert a
% cat a
expand $Id: a 0729690beff6 Thu, 01 Jan 1970 00:00:02 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <[e-mail]>: firstline $
% clone to test incoming
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 3 changes to 3 files
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
% incoming
comparing with test-keyword/Test
searching for changes
changeset:   1:0729690beff6
tag:         tip
user:        User Name <[e-mail]>
date:        Thu Jan 01 00:00:02 1970 +0000
summary:     firstline

% commit rejecttest
a
overwriting a expanding keywords
% export
% import
applying ../rejecttest.diff
% cat
expand $Id: a 82983f13f138 Thu, 01 Jan 1970 00:00:03 +0000 user $ rejecttest
do not process $Id: rejecttest
xxx $
$Xinfo: User Name <[e-mail]>: rejects? $
expand $Id: a 82983f13f138 Thu, 01 Jan 1970 00:00:03 +0000 user $ rejecttest
do not process $Id: rejecttest
xxx $
$Xinfo: User Name <[e-mail]>: rejects? $
ignore $Id$

% rollback
rolling back last transaction
% clean update
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
% kwexpand/kwshrink on selected files
% copy a x/a
% kwexpand a
overwriting a expanding keywords
% kwexpand x/a should abort
abort: outstanding uncommitted changes in given files
x/a
 x/a: copy a:779c764182ce5d43e2b1eb66ce06d7b47bfe342e
overwriting x/a expanding keywords
% cat a
expand $Id: x/a f27c134d2d9b Thu, 01 Jan 1970 00:00:03 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <[e-mail]>: xa $
% kwshrink a inside directory x
overwriting x/a shrinking keywords
% cat a
expand $Id$
do not process $Id:
xxx $
$Xinfo$
% kwexpand nonexistent
nonexistent: No such file or directory
% 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 $
$Xinfo$
expand $Id$
do not process $Id:
xxx $
$Xinfo$
ignore $Id$
% hg cat
expand $Id: a 0729690beff6 Thu, 01 Jan 1970 00:00:02 +0000 user $
do not process $Id:
xxx $
$Xinfo: User Name <[e-mail]>: firstline $
ignore $Id$
a
% cat
expand $Id$
do not process $Id:
xxx $
$Xinfo$
expand $Id$
do not process $Id:
xxx $
$Xinfo$
ignore $Id$
% hg cat
expand $Id$
do not process $Id:
xxx $
$Xinfo$
ignore $Id$
a