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#!/bin/sh

# Shave and a Haircut
# (c) 2019 Epic Games
# US Patent 6720962

#  Returns the value of a V-Ray build configuration variable for a given version of Maya
#
#	getMayaConfig <mayaVersion> <variable>
#
#  The available config variables are:
#
#	makefileRoot	- the OS-specific portion of the Makefile names used to build the V-Ray
#			  plugins and shaders for this version of Maya. (We should do away with
#			  this at some point and use the 'osTag' value for the Makefile names.)
#			  e.g. 'osxMavericks'
#
#	osTag		- string used to identify different versions of the operating system
#			  in file paths.
#			  e.g. 'mavericks'
#
#	versionDB	- path to the file containing the list of V-Ray versions that Shave
#			  supports for each version of Maya.
#			  e.g. vrayPlug/supportedVrayVersions.txt
#
#	versionRanges	- list of V-Ray version ranges supported by this version of Maya
#			  e.g. '3.10.00/3.10.99 3.60.00/3.60.99'
#
#	versions	- same as 'versionRanges' but only giving the starting versions of the
#			  ranges
#			  e.g. '3.10.00 3.60.00'
#
#	versionTags	- list of the shortened version numbers Chaos uses to tag various files
#			  e.g. '36 40'
#
mayaVersion=$1
variable=$2
versionDB=`dirname $0`/supportedVrayVersions.txt

if [ "$2" == "" ]; then
    echo "Usage: $0 <mayaVersion> <variable>" >&2
    exit 1
fi

case ${variable} in
    makefileRoot)
	#  Currently all supported versions of Maya use mavericks-compatible versions of V-Ray.
	echo "osxMavericks"
	;;

    osTag)
	#  Currently all supported versions of Maya use mavericks-compatible versions of V-Ray.
	echo "mavericks"
	;;

    versionDB)
	echo ${versionDB}
	;;

    versionRanges)
	grep "^${mayaVersion}:" ${versionDB} | sed -e 's?^[^:]*:[ \t]*??'  -e 's?/[^ \b]*??g' -e 's?[ \t][ \t]*\([^ \t]*\)[ \t].*$?/\1?'
	;;

    versions)
	grep "^${mayaVersion}:" ${versionDB} | sed -e 's?^[^:]*:[ \t]*??' -e 's?[ \t].*$??'
	;;

    versionTags)
	for v in `grep "^${mayaVersion}:" ${versionDB} | sed -e 's?^[^:]*:[ \t]*??' -e 's?[ \t].*$??'`; do
	    `dirname $0`/getVersionTag.sh $v
	done
	;;

    *)	echo "$0: Unknown configuration variable '${variable}'."
	exit 2
esac