Revision 35940091 gr-howto-write-a-block/config/gr_git.m4

b/gr-howto-write-a-block/config/gr_git.m4
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      AC_MSG_CHECKING([git description of current commit])
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      if (cd $srcdir && $GIT describe >/dev/null 2>&1); then
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        GIT_DESCRIBE=`cd $srcdir && $GIT describe --abbrev=8 --long`
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	GIT_TAG=`echo $GIT_DESCRIBE | cut -f 1 -d '-'`
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        GIT_SEQNO=`echo $GIT_DESCRIBE | cut -f 2 -d '-'`
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	GIT_COMMIT=`echo $GIT_DESCRIBE | cut -f 3 -d '-' | cut -f 2- -d 'g'`
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        # Release candidate tags create an extra -rcX field
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	if test x`echo $GIT_DESCRIBE | cut -f 1- -d '-' --output-delimiter=' ' | wc -w` = x4; then
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	  GIT_TAG=`echo $GIT_DESCRIBE | cut -f -2 -d '-'`
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	  GIT_SEQNO=`echo $GIT_DESCRIBE | cut -f 3 -d '-'`
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	  GIT_COMMIT=`echo $GIT_DESCRIBE | cut -f 4 -d '-' | cut -f 2- -d 'g'`
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	fi
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	case $GIT_DESCRIBE in
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	  *-*-*-*)
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	    GIT_TAG=`echo $GIT_DESCRIBE | cut -f -2 -d '-'`
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	    GIT_SEQNO=`echo $GIT_DESCRIBE | cut -f 3 -d '-'`
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	    GIT_COMMIT=`echo $GIT_DESCRIBE | cut -f 4 -d '-' | cut -f 2- -d 'g'`
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	    ;;
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	  *-*-*)
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	    GIT_TAG=`echo $GIT_DESCRIBE | cut -f 1 -d '-'`
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 	    GIT_SEQNO=`echo $GIT_DESCRIBE | cut -f 2 -d '-'`
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	    GIT_COMMIT=`echo $GIT_DESCRIBE | cut -f 3 -d '-' | cut -f 2- -d 'g'`
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	    ;;
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	esac
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	AC_MSG_RESULT([$GIT_DESCRIBE])







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      else







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        AC_MSG_RESULT([unable to find, using current commit])








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        AC_MSG_RESULT([no tag in history, using current commit])







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	GIT_TAG=''







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	GIT_SEQNO=''







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	GIT_COMMIT=`cd $srcdir && $GIT describe --always --abbrev=8`











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