subversion checksum failed

Well, it happens occasionally that in process of committing changes to the repository some weird problem with bad checksum is reported and the whole commit is blocked:


Commit failed (details below):
svn: Checksum mismatch for '/home/userdir/devel/RTTWeb-etree-branch/cherry/sql/.svn/text-base/Job.py.svn-base', expected: '947e06aeba5bd534250ad1124e3f60d6', actual:' a226478ea1900a7aebdb3bb0cb2d42d1'


How to fix it and don't lost your precious changes? Two ways:

1. VERY, VERY, VERRRY BAD:
   
   
   
   • go to the .svn subdirectory, in above example /home/userdir/devel/RTTWeb-etree-branch/cherry/sql/.svn/
     
   • add yourself write right to entries file and open it for editing
     
   • now very curious find and replace 'actual' checksum with 'expected' one, but don't touch any other line/word/character in that file
     
   • save & commit again
     
   
   
   
2. SAFE, CORRECT & ONLY WAY:
   
   
   
   • make a copy of working copy somewhere:
     cp -R /home/userdir/devel/RTTWeb-etree-branch/cherry/sql /home/userdir/backup
     
   • remove wrong file from working copy:
     rm /home/userdir/devel/RTTWeb-etree-branch/cherry/sql/Job.py
     
   • update working copy from server:
     svn up
     
   • copy back 'wrong checksum' file to working copy:
     cp //home/userdir/backup/Job.py /home/userdir/devel/RTTWeb-etree-branch/cherry/sql
     
   • commit:
     svn ci -m "recovered from checksum error"
     
   
   

Now guess which way to choose and why I'm so smart now? ;)