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* Fix: repeatedly dereference pom variables Previously, if there was more than one layer of variable indirection in the pom property (propert A says it has the same value as property B, property B says it has the same value as property C), then Syft would only dereference one layer. Add a loop to dereference variables until either dereferencing fails, or until the variable is completely dereferenced back to a literal. Signed-off-by: Will Murphy <will.murphy@anchore.com> * switch to recursive implementation Signed-off-by: Will Murphy <will.murphy@anchore.com> * add test cases for degenerate poms Signed-off-by: Will Murphy <will.murphy@anchore.com> * switch to recursive implementation Signed-off-by: Will Murphy <will.murphy@anchore.com> * remove redundant pieces of test cases Signed-off-by: Will Murphy <will.murphy@anchore.com> --------- Signed-off-by: Will Murphy <will.murphy@anchore.com>