anchor.diff:      
       alias make=gmake
       alias sed=gsed
  +    alias tar=gtar
       export MAKE=gmake
       shopt -s expand_aliases
       
  
positive.code:     alias mv=gmv
      alias ln=gln
      alias sed=gsed
      export MAKE=gmake
      shopt -s expand_aliases
  
  
negative.code:     source ${prehookBase}
      
      alias make=gmake
      alias tar=gtar
      export MAKE=gmake
      shopt -s expand_aliases
  
  