[CMake] Addition to FindGit

[Jean-Christophe Fillion-Robin]

Hi Folks,

This updated version of FindGit supports both git and git-svn. See
http://viewvc.slicer.org/viewvc.cgi/Slicer4/trunk/CMake/FindGit.cmake?revision=16492&view=markup

Hth
Jc

2011/6/5 Nicolas Desprès <nicolas.despres at gmail.com>

> Hi,
>
> That's a great idea.  I'd like to contribute some function too.  I
> have rewritten a couple of them while working on project versioned by
> Git.
>
> Cheers,
>
> -Nico
>
> On Sun, Jun 5, 2011 at 11:02 AM, Quintus <sutniuq at gmx.net> wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Hi there,
> >
> > I'm working on a git-versioned project that I'd like to display it's
> > version number for development versions like this:
> >
> > 1.2.3-dev (commit abc1234 on devel, 12/4/10)
> >
> > CMake's FindGit module seems to be quite limited as it just gives me the
> > path to git's executable file, leaving it on me to invoke the necessary
> > EXECUTE_PROCESS() commands to find the current git branch and commit.
> >
> > After some googling, I found this project which added a function
> > GIT_TREE_INFO() that provides information on the current commit:
> > http://trac.evemu.org/browser/trunk/cmake/FindGit.cmake?rev=872
> >
> > Inspired by this, I wrote another function to get the current branch:
> >
> >  FUNCTION(GIT_BRANCH_INFO DIR PREFIX)
> >    EXECUTE_PROCESS(COMMAND "${GIT_EXECUTABLE}" branch --no-color
> >      WORKING_DIRECTORY "${DIR}"
> >      RESULT_VARIABLE GIT_RESULT
> >      OUTPUT_VARIABLE GIT_FULL_BRANCH
> >      ERROR_VARIABLE GIT_ERROR
> >      OUTPUT_STRIP_TRAILING_WHITESPACE)
> >
> >    IF(NOT ${GIT_RESULT} EQUAL 0)
> >      MESSAGE(SEND_ERROR "Command '${GIT_EXECUTABLE} branch --no-color'
> > failed with following output:\n${GIT_ERROR}")
> >    ENDIF(NOT ${GIT_RESULT} EQUAL 0)
> >
> >    STRING(REGEX MATCH "^\\* *([^ ]*)$"
> >      GIT_ACTIVE_BRANCH
> >      "${GIT_FULL_BRANCH}")
> >
> >    SET("${PREFIX}_BRANCH" "${CMAKE_MATCH_1}" PARENT_SCOPE)
> >  ENDFUNCTION(GIT_BRANCH_INFO)
> >
> > Any chance to get this and the function from the evemu project into
> > official CMake's FindGit.cmake? I'm not sure about their license, but
> > the sourcecode seems to be licensed under LGPL -- if that's too
> > restrictive I can write another function providing the same
> functionality.
> >
> > Marvin
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> >
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>
>
> --
> Nicolas Desprès
> _______________________________________________
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