Exporting a single file?

[Rydinare <ry...@yahoo.com>]

Hi guys.  I'm having another issue with subversion.  In my post-commit script, I'm trying to keep an up to date shadow (aka: mirror) of all files in my repository.  So, I was able to query the repository using $REPO and $REV from the script with the svnlook command.  Here's my next problem, though... the idea was based on being able to duplicate the transactions that subversion did in my mirror.  I had completed the code, ran it and came up with one tiny problem... Subversion doesn't support exporting a single file!  Reading through some posts, it showed that a workaround could be achived by using 'svn cat' and redirecting to a file.  However, this leads to a few other issues.  I'll address them below.
 
With 'svn cat', does it have any issues cat'ing binary files?  If so, it's useless for this purpose.  I potentially lose file propreties that Subversion may have preserved.  Any easy way of fixing the file properties (this is a minor issue)?  'svn cat' does not work on a directory... how woul dI work around this?  Finally, and more importantly, does anyone know if there are plans for single file exporting support in future versions of Subversion?  I see no reason why 'svn export' shouldn't be able to work on a single file, since it's requesting an unversioned copy of the file, which would imply that a directory structure is not needed.
 
Ideas, guys?  I'll appreciate any thoughts, advice and assistance on the matter.

Thanks in advance.

		
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Re: Exporting a single file?

[Rydinare <ry...@yahoo.com>]

Ok.  One further question.  If I go the SVN Cat route, what I'd like to do is wrap a script around it.  Basically, if what was added/deleted/etc... was a file, then SVN cat -r$REV > $FILE, otherwise if it's a directory I want to do an SVN export.  Is there a way using svnlook to see whether a path refers to a file or directory?

Garrett Rooney <ro...@electricjellyfish.net> wrote:Rydinare wrote:
> Hi guys. I'm having another issue with subversion. In my post-commit 
> script, I'm trying to keep an up to date shadow (aka: mirror) of all 
> files in my repository. So, I was able to query the repository using 
> $REPO and $REV from the script with the svnlook command. Here's my next 
> problem, though... the idea was based on being able to duplicate the 
> transactions that subversion did in my mirror. I had completed the 
> code, ran it and came up with one tiny problem... Subversion doesn't 
> support exporting a single file! Reading through some posts, it showed 
> that a workaround could be achived by using 'svn cat' and redirecting to 
> a file. However, this leads to a few other issues. I'll address them 
> below.
> 
> With 'svn cat', does it have any issues cat'ing binary files? If so, 
> it's useless for this purpose. I potentially lose file propreties that 
> Subversion may have preserved. Any easy way of fixing the file 
> properties (this is a minor issue)? 'svn cat' does not work on a 
> directory... how woul dI work around this? Finally, and more 
> importantly, does anyone know if there are plans for single file 
> exporting support in future versions of Subversion? I see no reason why 
> 'svn export' shouldn't be able to work on a single file, since it's 
> requesting an unversioned copy of the file, which would imply that a 
> directory structure is not needed.
> 
> Ideas, guys? I'll appreciate any thoughts, advice and assistance on the 
> matter.

Try 'svn cat', it'll let you get a specific version of a single file.

-garrett


		
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Re: Exporting a single file?

[Garrett Rooney <ro...@electricjellyfish.net>]

Rydinare wrote:
> Hi guys.  I'm having another issue with subversion.  In my post-commit 
> script, I'm trying to keep an up to date shadow (aka: mirror) of all 
> files in my repository.  So, I was able to query the repository using 
> $REPO and $REV from the script with the svnlook command.  Here's my next 
> problem, though... the idea was based on being able to duplicate the 
> transactions that subversion did in my mirror.  I had completed the 
> code, ran it and came up with one tiny problem... Subversion doesn't 
> support exporting a single file!  Reading through some posts, it showed 
> that a workaround could be achived by using 'svn cat' and redirecting to 
> a file.  However, this leads to a few other issues.  I'll address them 
> below.
>  
> With 'svn cat', does it have any issues cat'ing binary files?  If so, 
> it's useless for this purpose.  I potentially lose file propreties that 
> Subversion may have preserved.  Any easy way of fixing the file 
> properties (this is a minor issue)?  'svn cat' does not work on a 
> directory... how woul dI work around this?  Finally, and more 
> importantly, does anyone know if there are plans for single file 
> exporting support in future versions of Subversion?  I see no reason why 
> 'svn export' shouldn't be able to work on a single file, since it's 
> requesting an unversioned copy of the file, which would imply that a 
> directory structure is not needed.
>  
> Ideas, guys?  I'll appreciate any thoughts, advice and assistance on the 
> matter.

Try 'svn cat', it'll let you get a specific version of a single file.

-garrett

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