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Re: Subversion 1.8 "--non-interactive" and "--force-interactive" flags behavior

From: Branko Čibej <brane_at_wandisco.com>
Date: Mon, 05 Aug 2013 16:03:41 +0200

On 05.08.2013 12:14, Konstantin Kolosovsky wrote:
> Hi Everyone,
>
> I've got a question about "--non-interactive" and
> "--force-interactive" flags behavior in Subversion 1.8.
> I'm not subscribed to the mailing list, please put my email in Cc in
> any responses.
>
> We've got java application interacting with svn.exe command line
> utility. For Subversion 1.7 our authentication behavior was the following:
> - executing command using svn.exe, for instance "svn udpate"
> - getting "authentication realm" from process output
> - destroying process
> - creating correct credential cache for the obtained "authentication
> realm" (for instance, correct file with encrypted password in the
> "auth" folder for Windows)
> - executing command using svn.exe once again - so that authentication
> goes smoothly as necessary information is in credential cache
>
> With Subversion 1.8 client we can not get "authentication realm" to
> create correct credential cache information:
> - if not specifying "--force-interactive" flag or specifying
> "--non-interactive" flag - process output contains authentication
> failure message, but only with repository url - not the
> "authentication realm"
> - if specifying "--force-interactive" flag - process "hangs" not
> providing any output - so there is no way to get "authentication
> realm" from it and then destroy the process
>
> So the question is - is it possible to somehow return previous
> behavior of svn.exe client - so that it does not "hang" but just
> "waiting" for the "user input" providing necessary "authentication
> realm" in the output?
> Or what would you recommend in such situation when authentication is
> necessary when interacting with svn.exe utility from java application?
> Is directly specifying "--username" and "--password" keys the only
> available option?

If you use --force-interactive, you're telling Subversion to prompt the
terminal, if any -- as of 1.8, prompting on stdin/stderr is only the
last resort. So for scripting the command-line client the way you're
doing, I'd recommend to pass --non-interactive and --username and
--password.

The better option of course is to just use the JavaHL API instead.

-- Brane

-- 
Branko Čibej | Director of Subversion
WANdisco // Non-Stop Data
e. brane_at_wandisco.com
Received on 2013-08-05 16:04:16 CEST

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