(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}  )
  (Com {[LIT_CHARS cd]} {[ComSub (Com {[LIT_CHARS dirname]} {[DQ [VarSub BASH_SOURCE bracket_op=(Index {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 0]}})]]})] [LIT_CHARS /..]}  )
  (Com {[LIT_CHARS .]} {[LIT_CHARS ./tool/dependency_overrides.sh]}  )
  (Com {[LIT_CHARS checkout_dependency_override_from_github]} {[LIT_CHARS analyzer]} {[LIT_CHARS dart-lang/sdk]} {[VarSub 1]} {[LIT_CHARS /pkg/analyzer/]}  )
)