Variable names must be constant strings, got (CompoundWord
  parts: [
    (DoubleQuotedPart
      parts: [
        (CommandSubPart
          command_list: 
            (Pipeline
              children: [
                (SimpleCommand
                  words: [
                    (CompoundWord
                      parts: [(LiteralPart token:(token id:Lit_Chars val:echo span_id:235))]
                    )
                    (CompoundWord
                      parts: [(SimpleVarSub token:(token id:VSub_Name val:"$ARCH" span_id:237))]
                    )
                  ]
                )
                (SimpleCommand
                  words: [
                    (CompoundWord
                      parts: [(LiteralPart token:(token id:Lit_Chars val:sed span_id:241))]
                    )
                    (CompoundWord
                      parts: [
                        (SingleQuotedPart
                          tokens: [(token id:Lit_Chars val:s/-/_/g span_id:244)]
                        )
                      ]
                    )
                  ]
                )
              ]
              negated: False
            )
          spids: [234 246]
        )
      ]
      spids: [233 247]
    )
    (LiteralPart token:(token id:Lit_VarLike val:"_CCWRAP_TOPDIR=" span_id:248))
    (DoubleQuotedPart
      parts: [(SimpleVarSub token:(token id:VSub_Name val:"$STAGE_DIR" span_id:250))]
      spids: [249 251]
    )
  ]
)
Error parsing AndOr in ParseCommandTerm
    

    Variable names must be constant strings, got (CompoundWord
  parts: [
    (DoubleQuotedPart
      parts: [(SimpleVarSub token:(token id:VSub_Number val:"$1" span_id:252))]
      spids: [251 253]
    )
  ]
)
Error parsing AndOr in ParseCommandTerm
Error parsing AndOr in ParseCommandTerm