How to backup a running script? and how to recover out-of-sync file?

[Cedric Williams <Ce...@tceq.state.tx.us>]

Howdy folks,
  I've got two questions, linked together.
1 - Can a shell script be committed to a repository while it's being run? (I'm guessing no, but figured I should ask first, since this is what I was trying to do)

2 - Once I've tried (and failed at) this, how do I recover from it? I'd like to do this gracefully rather than just blow out all the .svn files that refer to the script... Or is that the proper way to recover this? The docs cover repository repairs (a little), but I can't find anything about a corrupt wc other than "svn cleanup", which doesn't do anything here.

Here's what happens when I try to work on it - I'm using zsh 3.0.5-nt-beta-0.75 under win2k, svn 0.25.0, local repository (client-accessed, no server)

# Check the status
D:\Working\03wc\hacks>svn st
M      daily.sh

# Try to commit
D:\Working\03wc\hacks>svn ci -m "Special update"
Sending        hacks\daily.sh
Transmitting file data .svn: Working copy text base is corrupt
svn: Commit failed (details follow):
svn: svn_wc_transmit_text_deltas: checksum mismatch for 'D:/Working/03wc/hacks/.
svn/text-base/daily.sh.svn-base':
   recorded checksum:        638e8f922d584cefa74af0df1e280bef
   actual checksum (hex):    e568839b38acb9eb149fb332aeabf312
   actual checksum (base64): 5WiDmzisuesUn7MyrqvzEg==

# Try to fix...
D:\Working\03wc\hacks>svn cleanup
D:\Working\03wc\hacks>svn st
M      daily.sh
# Can't commit this either...

# Revert to a prior version
D:\Working\03wc\hacks>svn revert daily.sh
Reverted daily.sh
D:\Working\03wc\hacks>svn st --verbose --show-updates
               79       75   cedwilli   daily.sh

# Make a change, try again
D:\Working\03wc\hacks>svn st
M      daily.sh
D:\Working\03wc\hacks>svn ci -m "Special update"
Sending        hacks\daily.sh
Transmitting file data .svn: Working copy text base is corrupt
svn: Commit failed (details follow):
svn: svn_wc_transmit_text_deltas: checksum mismatch for 'D:/Working/03wc/hacks/.
svn/text-base/daily.sh.svn-base':
   recorded checksum:        638e8f922d584cefa74af0df1e280bef
   actual checksum (hex):    e568839b38acb9eb149fb332aeabf312
   actual checksum (base64): 5WiDmzisuesUn7MyrqvzEg==


TIA,
--Cedric


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Re: How to backup a running script? and how to recover out-of-sync file?

[Jack Repenning <jr...@collab.net>]

At 4:01 PM -0500 7/24/03, Cedric Williams wrote:
>Howdy folks,
>   I've got two questions, linked together.
>1 - Can a shell script be committed to a repository while it's being 
>run? (I'm guessing no, but figured I should ask first, since this is 
>what I was trying to do)

Hmmm ... I do this all the time, and I don't see any reason it should 
fail--nor do I see any way some such failure  could cause the 
particular error you report.  You run the script itself.  The text 
base is another file entirely, inside the .svn directory.  The 
message says that the _text_base_ is wrong, and your shell doesn't 
even know that file is there.

You said you were trying to commit while the script is actually 
running, but this looks like hand-typed commands (for example, 
there's a comment "make a change", but nothing showing that actually 
happening; also, I see shell prompts, like "D:\Working\03wc\hacks>", 
but I've never seen a shell do that during script execution, only the 
Windows command executioner). Can you provide a complete transcript 
of the failure actually happening?

-- 
-==-
Jack Repenning
CollabNet, Inc.
8000 Marina Boulevard, Suite 600
Brisbane, California 94005
o: 650.228.2562
c: 408.835-8090

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