Re: 'svn-export' incrementing?

2013-01-24 Thread Xyne
Greg Larkin wrote:

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Hash: SHA1

On 1/22/13 8:29 PM, Peter Vereshagin wrote:
 Hello.
 
 I use the 'svn-export this way and expect it will try to update
 the 'work-tree' next time I run it:
 
 $ python3 svn-export-2013.1/svn-export
 http://svn.gna.org/svn/nasmail/trunk nasmail Exporting new
 repository. Exported revision 1546 [portato@screwed /tmp]$ ls -a
 nasmail .   decode  plugin_pack tests
 utilities ..  nasmail plugins
 translations [portato@screwed /tmp]$ python3
 svn-export-2013.1/svn-export http://svn.gna.org/svn/nasmail/trunk
 nasmail Exporting new repository. svn: E155000: Destination
 directory exists; please remove the directory or use --force to
 overwrite svn: E155000: 'nasmail' already exists error: Command
 '['svn', 'export', '-r', 'HEAD',
 'http://svn.gna.org/svn/nasmail/trunk', 'nasmail']' returned
 non-zero exit status 1
 
 I believe there is something wrong in the way I use the
 'svn-export'. Otherwise it's a no problem for me to patch for
 '--force'.
 
 How can I update the already created 'work tree' with 'svn update'?
 I think the correct answer is a good idea for 'Synopsis' docs
 section.
 

Hi Peter,

In order for svn-export to work in incremental mode, you need to use
the --revision-file argument like so:

python3 svn-export-2013.1/svn-export -r rev.dat
http://svn.gna.org/svn/nasmail/trunk nasmail

Then at some point in the future, run the same command.  svn-export
will read rev.dat, compare the version in there with the current HEAD
revision.  If they are different, the script creates a diff and
applies it to the local directory.

Hope that helps,
Greg

Hi,

The explanation is correct but the command example is not. It should be

svn-export --revision-file rev.dat ...

The reason for this is that svn-export does not include any SVN data with the
exported files so it has no way to determine what the currently exported
revision is from the directory alone. You could manually run

  svn-export -r local revision:HEAD ... 

but it would be tedious. The --revision-file option automates this by storing
the local export's revision number in a file. It is used to determine which
revision to diff against. Essentially it is the same as running

  svn-export -r $(cat rev.dat):...

I hope this clears things up.

Regards,
Xyne
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Re: 'svn-export' incrementing?

2013-01-24 Thread Greg Larkin
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On 1/24/13 4:54 PM, Xyne wrote:
 Greg Larkin wrote:
 
 -BEGIN PGP SIGNED MESSAGE- Hash: SHA1
 
 On 1/22/13 8:29 PM, Peter Vereshagin wrote:
 Hello.
 
 I use the 'svn-export this way and expect it will try to
 update the 'work-tree' next time I run it:
 
 $ python3 svn-export-2013.1/svn-export 
 http://svn.gna.org/svn/nasmail/trunk nasmail Exporting new 
 repository. Exported revision 1546 [portato@screwed /tmp]$ ls
 -a nasmail .   decode  plugin_pack
 tests utilities ..  nasmail plugins 
 translations [portato@screwed /tmp]$ python3 
 svn-export-2013.1/svn-export
 http://svn.gna.org/svn/nasmail/trunk nasmail Exporting new
 repository. svn: E155000: Destination directory exists; please
 remove the directory or use --force to overwrite svn: E155000:
 'nasmail' already exists error: Command '['svn', 'export',
 '-r', 'HEAD', 'http://svn.gna.org/svn/nasmail/trunk',
 'nasmail']' returned non-zero exit status 1
 
 I believe there is something wrong in the way I use the 
 'svn-export'. Otherwise it's a no problem for me to patch for 
 '--force'.
 
 How can I update the already created 'work tree' with 'svn
 update'? I think the correct answer is a good idea for
 'Synopsis' docs section.
 
 
 Hi Peter,
 
 In order for svn-export to work in incremental mode, you need to
 use the --revision-file argument like so:
 
 python3 svn-export-2013.1/svn-export -r rev.dat 
 http://svn.gna.org/svn/nasmail/trunk nasmail
 
 Then at some point in the future, run the same command.
 svn-export will read rev.dat, compare the version in there with
 the current HEAD revision.  If they are different, the script
 creates a diff and applies it to the local directory.
 
 Hope that helps, Greg
 
 Hi,
 
 The explanation is correct but the command example is not. It
 should be
 
 svn-export --revision-file rev.dat ...
 
 The reason for this is that svn-export does not include any SVN
 data with the exported files so it has no way to determine what the
 currently exported revision is from the directory alone. You could
 manually run
 
 svn-export -r local revision:HEAD ...
 
 but it would be tedious. The --revision-file option automates
 this by storing the local export's revision number in a file. It is
 used to determine which revision to diff against. Essentially it is
 the same as running
 
 svn-export -r $(cat rev.dat):...
 
 I hope this clears things up.
 
 Regards, Xyne
 

Hi Xyne,

Thanks for catching that.  I had intended to write --revision-file,
but PEBKAC took over!

Cheers,
Greg

- -- 
Greg Larkin

http://www.FreeBSD.org/   - The Power To Serve
http://www.sourcehosting.net/ - Ready. Set. Code.
http://twitter.com/cpucycle/  - Follow you, follow me
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Re: 'svn-export' incrementing?

2013-01-23 Thread Greg Larkin
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Hash: SHA1

On 1/22/13 8:29 PM, Peter Vereshagin wrote:
 Hello.
 
 I use the 'svn-export this way and expect it will try to update
 the 'work-tree' next time I run it:
 
 $ python3 svn-export-2013.1/svn-export
 http://svn.gna.org/svn/nasmail/trunk nasmail Exporting new
 repository. Exported revision 1546 [portato@screwed /tmp]$ ls -a
 nasmail .   decode  plugin_pack tests
 utilities ..  nasmail plugins
 translations [portato@screwed /tmp]$ python3
 svn-export-2013.1/svn-export http://svn.gna.org/svn/nasmail/trunk
 nasmail Exporting new repository. svn: E155000: Destination
 directory exists; please remove the directory or use --force to
 overwrite svn: E155000: 'nasmail' already exists error: Command
 '['svn', 'export', '-r', 'HEAD',
 'http://svn.gna.org/svn/nasmail/trunk', 'nasmail']' returned
 non-zero exit status 1
 
 I believe there is something wrong in the way I use the
 'svn-export'. Otherwise it's a no problem for me to patch for
 '--force'.
 
 How can I update the already created 'work tree' with 'svn update'?
 I think the correct answer is a good idea for 'Synopsis' docs
 section.
 

Hi Peter,

In order for svn-export to work in incremental mode, you need to use
the --revision-file argument like so:

python3 svn-export-2013.1/svn-export -r rev.dat
http://svn.gna.org/svn/nasmail/trunk nasmail

Then at some point in the future, run the same command.  svn-export
will read rev.dat, compare the version in there with the current HEAD
revision.  If they are different, the script creates a diff and
applies it to the local directory.

Hope that helps,
Greg
- -- 
Greg Larkin

http://www.FreeBSD.org/   - The Power To Serve
http://www.sourcehosting.net/ - Ready. Set. Code.
http://twitter.com/cpucycle/  - Follow you, follow me
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'svn-export' incrementing?

2013-01-22 Thread Peter Vereshagin
Hello.

I use the 'svn-export this way and expect it will try to update the
'work-tree' next time I run it:

  $ python3 svn-export-2013.1/svn-export http://svn.gna.org/svn/nasmail/trunk 
nasmail
  Exporting new repository.
  Exported revision 1546
  [portato@screwed /tmp]$ ls -a nasmail
  .   decode  plugin_pack tests   utilities
  ..  nasmail plugins translations
  [portato@screwed /tmp]$ python3 svn-export-2013.1/svn-export 
http://svn.gna.org/svn/nasmail/trunk nasmail
  Exporting new repository.
  svn: E155000: Destination directory exists; please remove the directory or 
use --force to overwrite
  svn: E155000: 'nasmail' already exists
  error: Command '['svn', 'export', '-r', 'HEAD', 
'http://svn.gna.org/svn/nasmail/trunk', 'nasmail']' returned non-zero exit 
status 1

I believe there is something wrong in the way I use the 'svn-export'.
Otherwise it's a no problem for me to patch for '--force'.

How can I update the already created 'work tree' with 'svn update'? I think
the correct answer is a good idea for 'Synopsis' docs section.

Thank you.

--
Peter Vereshagin pe...@vereshagin.org (http://vereshagin.org) pgp: 1754B9C1
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Re: 'svn-export' incrementing?

2013-01-22 Thread Shane Ambler

On 23/01/2013 11:59, Peter Vereshagin wrote:


I believe there is something wrong in the way I use the 'svn-export'.
Otherwise it's a no problem for me to patch for '--force'.

How can I update the already created 'work tree' with 'svn update'?
I think the correct answer is a good idea for 'Synopsis' docs
section.


The command svn export exports a clean source tree - without revision
control information. Basically a clean snapshot of the revision you
export, intended as a sourcecode release version snapshot. It expects
to be exporting to a clean directory which is why you need to force it
to overwrite existing files.

To update a source tree you need the revision information for svn to
test what has changed, which you get with svn checkout and svn update


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