(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('scriptname', {[ComSub (Com {[LIT_CHARS basename]} {[DQ [VarSub 0]]})]})])
  (If
    (DBracket {B2 BINARY_INT_NE {[VarSub UID]} {[LIT_CHARS 0]}})
    (List
      (Com {[LIT_CHARS echo]} {[DQ [VarSub scriptname][LIT_CHARS " must be run as root"]]}      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]}      )
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('PREFIX', {[LIT_CHARS /usr/local]})])
  (Com {[LIT_CHARS cd]} {[DQ [ComSub (Com {[LIT_CHARS dirname]} {[DQ [VarSub 0]]})]]}  )
  (Com {[LIT_CHARS ./add-shell]} {[DQ [VarSub PREFIX][LIT_CHARS /bin/fish]]}  )
  (Com {[LIT_CHARS ditto]} {[LIT_CHARS ./base]} {[DQ [VarSub PREFIX]]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "fish has been installed under "][VarSub PREFIX][LIT_CHARS "/ and added to /etc/shells (if it was not already present)"]]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "To start fish, run:"]]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "    "][VarSub PREFIX][LIT_CHARS /bin/fish]]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "If you wish to change your default shell to fish, run:"]]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "    chsh -s "][VarSub PREFIX][LIT_CHARS /bin/fish]]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Enjoy!"]]}  )
)