(command.CommandList
  children: [
    (C {<set>} {<-ex>})
    (C {<cd>} 
      {
        (command_sub
          left_token: <Id.Left_DollarParen '$('>
          child: (C {<dirname>} {($ Id.VSub_Number '$0')})
        ) <'/..'>
      }
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:git_root)
          op: assign_op.Equal
          rhs: {(command_sub left_token:<Id.Left_DollarParen '$('> child:(C {<pwd>}))}
          spids: [43]
        )
      ]
    )
    (C {<cd>} {<->})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:DOCKER_IMAGE_NAME)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_DollarParen '$('>
                child: (C {<basename>} {($ Id.VSub_DollarName '$DOCKERFILE_DIR')})
              ) <Id.Lit_Underscore _> 
              (command_sub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.Pipeline
                    children: [
                      (C {<sha1sum>} {($ Id.VSub_DollarName '$DOCKERFILE_DIR') <'/Dockerfile'>})
                      (C {<cut>} {<-f1>} 
                        {<-d> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\ '>)}
                      )
                    ]
                    negated: F
                  )
              )
            }
          spids: [56]
        )
      ]
    )
    (C {<docker>} {<build>} {<-t>} {($ Id.VSub_DollarName '$DOCKER_IMAGE_NAME')} 
      {($ Id.VSub_DollarName '$DOCKERFILE_DIR')}
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:CCACHE_DIR)
          op: assign_op.Equal
          rhs: {<'/tmp/protobuf-ccache'>}
          spids: [97]
        )
      ]
    )
    (C {<mkdir>} {<-p>} {($ Id.VSub_DollarName '$CCACHE_DIR')})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:CONTAINER_NAME)
          op: assign_op.Equal
          rhs: 
            {
              (DQ <build_and_run_docker_> 
                (command_sub
                  left_token: <Id.Left_DollarParen '$('>
                  child: (C {<uuidgen>})
                )
              )
            }
          spids: [110]
        )
      ]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (C {<docker>} {<run>} {(DQ ($ Id.VSub_At '$@'))} {<-e>} 
          {<Id.Lit_VarLike 'CCACHE_DIR='> ($ Id.VSub_DollarName '$CCACHE_DIR')} {<-e>} {<Id.Lit_VarLike 'EXTERNAL_GIT_ROOT='> (DQ <'/var/local/jenkins/protobuf'>)} {<-e>} 
          {<Id.Lit_VarLike 'TEST_SET='> (DQ ($ Id.VSub_DollarName '$TEST_SET'))} {<-e>} 
          {<Id.Lit_VarLike 'THIS_IS_REALLY_NEEDED='> 
            (SQ <'see https://github.com/docker/docker/issues/14203 for why docker is awful'>)
          } {<-v>} {(DQ ($ Id.VSub_DollarName '$git_root') <':/var/local/jenkins/protobuf:ro'>)} {<-v>} 
          {($ Id.VSub_DollarName '$CCACHE_DIR') <Id.Lit_Colon ':'> 
            ($ Id.VSub_DollarName '$CCACHE_DIR')
          } {<-w>} {<'/var/local/git/protobuf'>} 
          {<--name> <Id.Lit_Equals '='> ($ Id.VSub_DollarName '$CONTAINER_NAME')} {($ Id.VSub_DollarName '$DOCKER_IMAGE_NAME')} {<bash>} {<-l>} 
          {(DQ <'/var/local/jenkins/protobuf/'> ($ Id.VSub_DollarName '$DOCKER_RUN_SCRIPT'))}
        )
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:FAILED)
              op: assign_op.Equal
              rhs: {(DQ <true>)}
              spids: [212]
            )
          ]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: 
            (condition.Shell
              commands: [
                (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_DollarName '$OUTPUT_DIR'))} 
                  {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} {(DQ )} {<Id.Lit_RBracket ']'>}
                )
              ]
            )
          action: [
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<docker>} {<cp>} 
                  {
                    (DQ ($ Id.VSub_DollarName '$CONTAINER_NAME') <':/var/local/git/protobuf/'> 
                      ($ Id.VSub_DollarName '$OUTPUT_DIR')
                    )
                  } {(DQ ($ Id.VSub_DollarName '$git_root'))}
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:FAILED)
                      op: assign_op.Equal
                      rhs: {(DQ <true>)}
                      spids: [256]
                    )
                  ]
                )
              ]
            )
          ]
          spids: [221 237]
        )
      ]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [(C {<docker>} {<rm>} {<-f>} {($ Id.VSub_DollarName '$CONTAINER_NAME')}) (C {<true>})]
    )
    (command.If
      arms: [
        (if_arm
          cond: 
            (condition.Shell
              commands: [
                (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_DollarName '$FAILED'))} 
                  {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} {(DQ )} {<Id.Lit_RBracket ']'>}
                )
              ]
            )
          action: [(command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})]
          spids: [280 296]
        )
      ]
    )
  ]
)