[CMake] Issues with execute_process and svn

[Jean-Christophe Fillion-Robin]

Hi Aaron,

Not sure if ti will help, but ....
Have you looked at using ExternalProject.cmake to checkout, configure and
build project using CMake ?

Hth
Jc

On Wed, Jul 13, 2011 at 2:05 PM, David Cole <david.cole at kitware.com> wrote:

> Take the double quotes off the set commands for your args variables.
> And put spaces in between the dereferences of those vars in the
> execute_process command.
>
> Like this:
>
> # No double quotes here:
> if(NOT $ENV{CMAKE_SVN_USERNAME} STREQUAL "")
>  set(_SvnCredPart --no-auth-cache)
>  set(_SvnUserPart --username $ENV{CMAKE_SVN_USERNAME})
> endif()
> if(NOT $ENV{CMAKE_SVN_PASSWORD} STREQUAL "")
>  set(_SvnCredPart --no-auth-cache)
>  set(_SvnPassPart --password $ENV{CMAKE_SVN_PASSWORD})
> endif()
>
> # Spaces in between dereferenced vars here:
> execute_process(COMMAND "${svnexe}" --non-interactive
>  ${_SvnCredPart} ${_SvnUserPart} ${_SvnPassPart}
>  info .
>  OUTPUT_VARIABLE _out
>  ERROR_VARIABLE _err
>  RESULT_VARIABLE _res)
>
> message(STATUS "out: ${_out}")
> message(STATUS "err: ${_err}")
> message(STATUS "res: ${_res}")
>
>
> HTH,
> David
>
>
> On Wed, Jul 13, 2011 at 1:57 PM,  <aaron.meadows at thomsonreuters.com>
> wrote:
> > Hi all,
> >
> >
> >
> > I’ve been having a devil of a time with executing SVN with
> execute_process.
> > Basically, I need to read environment variables to specify the username
> and
> > password for builds on our build server (where we do not cache
> credentials).
> >
> >
> >
> > I’ve made several attempts at this, and have been foiled continually by
> one
> > problem, exemplified in the attached CMakeLists.txt.  If I build
> arguments
> > in variables and then specify them in the execute_process, I get an error
> > like this:
> >
> >
> >
> > -- err: svn.exe: invalid option: --no-auth-cache --username foo
> --password
> > bar
> >
> > Type 'svn help' for usage.
> >
> >
> >
> > However, if I write the identical command to a file and execute that, I
> get
> > no issue.  I’ve narrowed it down to the <space> between --username and
> foo,
> > but can’t seem to figure out what the deal is.  I’ve tried replacing them
> > with a value from string(ASCI 32 _sep), but that didn’t change the
> > behavior.  I’ve tried this on Windows 7 and Windows Server 2008, and both
> > behave the same way.
> >
> >
> >
> > You can try these two methods out on the CMakeLists.txt.  By default, it
> > will use the straight execute_process.  If you call cmake with –D
> TestFile=1
> > it will write the commands to a file and execute that.  (in which case
> > you’ll get svn: '.' is not a working copy and not the invalid option
> issue)
> >
> >
> >
> > Thanks for any help you can provide!
> >
> >
> >
> > Aaron Meadows
> > Software Engineer
> >
> > Thomson Reuters
> >
> > Phone: 314.468.3530
> > Mobile: 636.541.6139
> > aaron.meadows at thomsonreuters.com
> > thomsonreuters.com
> >
> >
> >
> > This email was sent to you by Thomson Reuters, the global news and
> > information company. Any views expressed in this message are those of the
> > individual sender, except where the sender specifically states them to be
> > the views of Thomson Reuters.
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