[llvm-commits] [PATCH] [CMAKE] Fix git-svn output parsing

[Chandler Carruth]

Can you describe the actual circumstances that lead to a failure and the
nature of it? Lots of us use git-svn without issue today...
On Nov 6, 2012 7:28 AM, "pravic" <ehysta at gmail.com> wrote:

> This prevents cmake fail on git-svn based repositories.
>
> http://llvm-reviews.chandlerc.com/D104
>
> Files:
>   cmake/modules/VersionFromVCS.cmake
>
> Index: cmake/modules/VersionFromVCS.cmake
> ===================================================================
> --- cmake/modules/VersionFromVCS.cmake
> +++ cmake/modules/VersionFromVCS.cmake
> @@ -28,7 +28,7 @@
>                        TIMEOUT 5
>                        RESULT_VARIABLE git_result
>                        OUTPUT_VARIABLE git_output)
> -      if( git_result EQUAL 0 )
> +      if( (git_result EQUAL 0) AND NOT (git_output STREQUAL "") )
>          string(REGEX MATCH r[0-9]+ git_svn_rev ${git_output})
>          string(LENGTH "${git_svn_rev}" rev_length)
>          math(EXPR rev_length "${rev_length}-1")
>
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