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Re: svn 1.7: how to recover from a lost pristine file

From: Philip Martin <philip.martin_at_wandisco.com>
Date: Wed, 28 Mar 2012 13:12:26 +0100

Johan Corveleyn <jcorvel_at_gmail.com> writes:

> For some reason, I lost a pristine file [*] in a 1.7 working copy. I'm
> trying to recover from this without having to throw away my entire
> working copy. So far I'm unsuccessful. Any help is appreciated.
>
> svn-1.7 is SlikSVN 1.7.4 (On Windows 7, 64bit):
> [[[
> C:\Work\WC-root>svn-1.7 update -r0 the\file\with\missing\pristine.java
> svn: E155037: Previous operation has not finished; run 'cleanup' if it
> was interrupted
>
> C:\Work\WC-root>svn-1.7 cleanup the\file\with\missing
> svn: E155004: Working copy 'C:\Work\WC-root\the\file\with\missing' locked.
> svn: E155004: 'C:\Work\WC-root' is already locked.
> svn: E155037: Previous operation has not finished; run 'cleanup' if it
> was interrupted
> svn: run 'svn cleanup' to remove locks (type 'svn help cleanup' for details)
>
> C:\Work\WC-root>svn-1.7 cleanup
> svn: E720002: Can't open file
> 'C:\Work\WC-root\.svn\pristine\6d\6d6e0892990e945b03a15b8e518dbef26848dc75.svn-base':
> The system cannot find the file specified.
> ]]]
>
> (the fact that the working copy is locked to begin with, was because a
> normal 'svn update' failed because of the missing pristine, with "svn:
> E155004: There are unfinished work items in 'C:\Work\WC-root'; run
> 'svn cleanup' first.", which is why I first found out about the
> problem)
>
> Anything I can do to investigate further?

Use the sqlite3 utility

 sqlite3 .svn/wc.db "select * from work_queue"

These may show something:

 sqlite3 wc/.svn/wc.db "select * from nodes where local_relpath = '/the/file/with/missing/pristine.java'"

 sqlite3 wc/.svn/wc.db "select * from nodes where checksum like '%6d6e0892990e945b03a15b8e518dbef26848dc75'"

 sqlite3 wc/.svn/wc.db "select * from pristine where checksum like '%6d6e0892990e945b03a15b8e518dbef26848dc75'"

Depending on what the work_queue shows you may be able to further
corrupt your working copy and then recover by doing this:

  sqlite .svn/wc.db "delete from work_queue"
  svn up -r0 file

IMPORTANT! Deleting the work_queue does generally make the working copy
invalid, it is then up to you to ensure it returns to a valid state.

-- 
Philip
Received on 2012-03-28 14:13:06 CEST

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