(command.CommandList
  children: [
    (command.Simple
      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-o>} {<errexit>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-o>} {<nounset>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-o>} {<pipefail>}]
      redirects: []
      do_fork: T
    )
    (command.ShFunction
      keyword: <Id.KW_Function function>
      name_tok: <check_for_ppa>
      name: check_for_ppa
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<Id.Lit_VarLike 'repo='> (DQ ($ Id.VSub_Number 1))}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <grep>
              more_env: []
              words: [
                {<grep>}
                {<-qsw>}
                {($ Id.VSub_DollarName repo)}
                {<'/etc/apt/sources.list'>}
                {<'/etc/apt/sources.list.d/'> <Id.Lit_Star '*'>}
              ]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      keyword: <Id.KW_Function function>
      name_tok: <package_status>
      name: package_status
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<Id.Lit_VarLike 'pkgname='> ($ Id.VSub_Number 1)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <local>
              more_env: []
              words: [{<local>} {<pkgstatus>}]
              redirects: []
              do_fork: T
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'pkgstatus='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'pkgstatus='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'pkgstatus='> name:pkgstatus)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (CommandSub
                        left_token: <Id.Left_DollarParen '$('>
                        child: 
                          (command.Simple
                            blame_tok: <dpkg-query>
                            more_env: []
                            words: [
                              {<dpkg-query>}
                              {<-W>}
                              {<--showformat> <Id.Lit_Equals '='> (SQ <'${Status}\\n'>)}
                              {(DQ (${ Id.VSub_Name pkgname))}
                            ]
                            redirects: []
                            do_fork: T
                          )
                        right: <Id.Eof_RParen _>
                      )
                    }
                )
              ]
              redirects: []
            )
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              left: <Id.KW_DLeftBracket '[['>
                              expr: 
                                (bool_expr.Binary
                                  op_id: Id.BoolBinary_GlobNEqual
                                  left: {(DQ (${ Id.VSub_Name pkgstatus))}
                                  right: {(DQ <'install ok installed'>)}
                                )
                              right: <Id.Lit_DRightBracket ']]'>
                              redirects: []
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ <'Missing package '> (${ Id.VSub_Name pkgname))}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <sudo>
                      more_env: []
                      words: [
                        {<sudo>}
                        {<apt-get>}
                        {<--force-yes>}
                        {<--yes>}
                        {<install>}
                        {(${ Id.VSub_Name pkgname)}
                      ]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  spids: [136 155]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      keyword: <Id.KW_Function function>
      name_tok: <gather_installation_reqs>
      name: gather_installation_reqs
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.Pipeline
                              negated: <Id.KW_Bang '!'>
                              children: [
                                (command.Simple
                                  blame_tok: <check_for_ppa>
                                  more_env: []
                                  words: [{<check_for_ppa>} {(DQ <juju>)}]
                                  redirects: []
                                  do_fork: T
                                )
                              ]
                              ops: []
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ <'... Detected missing dependencies.. running'>)}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ <'... add-apt-repository ppa:juju/stable'>)}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <sudo>
                      more_env: []
                      words: [
                        {<sudo>}
                        {<add-apt-repository>}
                        {<-y>}
                        {<ppa> <Id.Lit_Colon ':'> <'juju/stable'>}
                      ]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <sudo>
                      more_env: []
                      words: [{<sudo>} {<apt-get>} {<update>}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  spids: [197 208]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.Simple
              blame_tok: <package_status>
              more_env: []
              words: [{<package_status>} {(SQ <juju>)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <package_status>
              more_env: []
              words: [{<package_status>} {(SQ <charm-tools>)}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
  ]
)