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How set how encode commit log message from *VC log* to svn executable?
From: |
Oleksandr Gavenko |
Subject: |
How set how encode commit log message from *VC log* to svn executable? |
Date: |
Wed, 16 Jun 2010 00:27:20 +0300 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.5) Gecko/20091204 Thunderbird/3.0 |
I have set 'LANG=ru_RU.cp1251' for Cygwin.
So 'svn log' command output has cp1251 encoding.
To proper view output from 'C-x v l' (vc-print-log)
I use
(modify-coding-system-alist 'process "svn" '(cp1251 . cp1251))
But when I wrote commit message into
*VC log* and press 'C-c C-c':
* emacs convert *VC log* buffer content to UTF-8
* emacs invoke svn with options -m and commint message
* svn from Cygwin read LANG env var and recode commit message
in !!UTF-8!! by formula cp1251 ==> UTF-8.
So svn repo now store damaged commit message
(UTF-8 data wrongly recoded as cp1251 to UTF-8).
Settings (cp1251 . cp1251) for svn process have effect
on read from svn, but not on creating switches for svn.
How can I explicitly set which conversion must have place
for *VC log* commit message?
If this true for all VC back end that *VC log* converted to UTF-8?
To debug such VC behavior I wrote wrapper around svn:
$ cat mysvn
#!/bin/sh
echo "$@" >>~/usr/bin/mysvn.log
svn "$@"
and define (for Emacs 23.2.1)
(setq vc-svn-program "mysvn")
Under ~/usr/bin/mysvn.log I found commit message in UTF-8.
Currently I found solution for svn:
(setq vc-svn-checkin-switches '("--encoding" "utf-8"))
but it seems for me not so generic as if I can
set encoding schema for *VC log*.
Also I think that same problem expected from uses of other VCS.
--
Best regards!
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