(command.CommandList children: [ (C {<Id.KW_Set set>} {<-u>}) (command.ShFunction name: die body: (command.BraceGroup children: [ (command.AndOr ops: [Id.Op_DAmp] children: [ (C {<Id.Lit_LBracket '['>} {($ Id.VSub_Pound '$#')} {<-gt>} {<0>} {<Id.Lit_RBracket ']'>}) (command.Simple words: [{<echo>} {(DQ <'error: '> ($ Id.VSub_Star '$*'))}] redirects: [(redir.Redir op:<Id.Redir_GreatAnd '>&'> fd:-1 arg_word:{<2>})] ) ] ) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>}) ] ) ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:BASE_DIR) op: assign_op.Equal rhs: { (command_sub left_token: <Id.Left_DollarParen '$('> command_list: (command.CommandList children: [(C {<dirname>} {(DQ ($ Id.VSub_Number '$0'))})] ) ) } spids: [100] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:LIB_DIR) op: assign_op.Equal rhs: {(DQ (${ Id.VSub_Name BASE_DIR) </lib>)} spids: [109] ) ] ) (command.AndOr ops: [Id.Op_DPipe] children: [ (C {<.>} {(DQ (${ Id.VSub_Name LIB_DIR) </shflags>)}) (C {<die>} {(SQ <'unable to load shflags library'>)}) ] ) (command.AndOr ops: [Id.Op_DPipe] children: [ (C {<.>} {(DQ (${ Id.VSub_Name LIB_DIR) </shlib>)}) (C {<die>} {(SQ <'unable to load shlib library'>)}) ] ) (command.AndOr ops: [Id.Op_DPipe] children: [ (C {<.>} {(DQ (${ Id.VSub_Name LIB_DIR) </versions>)}) (C {<die>} {(SQ <'unable to load versions library'>)}) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:BASE_DIR) op: assign_op.Equal rhs: { (command_sub left_token: <Id.Left_DollarParen '$('> command_list: (command.CommandList children: [(C {<shlib_relToAbsPath>} {(DQ (${ Id.VSub_Name BASE_DIR))})] ) ) } spids: [182] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:os_name) op: assign_op.Equal rhs: { (command_sub left_token: <Id.Left_DollarParen '$('> command_list: (command.CommandList children: [ (command.Pipeline children: [(C {<versions_osName>}) (C {<sed>} {(SQ <'s/ /_/g'>)})] negated: F ) ] ) ) } spids: [197] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:os_version) op: assign_op.Equal rhs: { (command_sub left_token: <Id.Left_DollarParen '$('> command_list: (command.CommandList children:[(C {<versions_osVersion>})]) ) } spids: [209] ) ] ) (C {<DEFINE_boolean>} {<force>} {<false>} {(SQ <'force overwrite'>)} {<f>}) (C {<DEFINE_string>} {<output_dir>} {(DQ (${ Id.VSub_Name TMPDIR))} {(SQ <'output dir'>)} {<d>}) (C {<DEFINE_string>} {<output_file>} {(DQ (${ Id.VSub_Name os_name) <-> (${ Id.VSub_Name os_version) <.txt>)} {(SQ <'output file'>)} {<o>} ) (C {<DEFINE_string>} {<runner>} {(SQ <test_runner>)} {(SQ <'unit test runner'>)} {<r>}) (C {<DEFINE_boolean>} {<dry_run>} {<false>} {(DQ <'suppress logging to a file'>)} {<n>}) (command.ShFunction name: main body: (command.BraceGroup children: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:output) op: assign_op.Equal rhs: { (DQ (braced_var_sub token: <Id.VSub_Name FLAGS_output_dir> suffix_op: (suffix_op.Unary op_id: Id.VTest_ColonPlus arg_word: {(${ Id.VSub_Name FLAGS_output_dir) <Id.Lit_Slash />} ) ) (${ Id.VSub_Name FLAGS_output_file) ) } spids: [306] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:output) op: assign_op.Equal rhs: { (command_sub left_token: <Id.Left_DollarParen '$('> command_list: (command.CommandList children: [(C {<shlib_relToAbsPath>} {(DQ (${ Id.VSub_Name output))})] ) ) } spids: [322] ) ] ) (command.If arms: [ (if_arm cond: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {(DQ (${ Id.VSub_Name FLAGS_dry_run))} {<-eq>} {(DQ (${ Id.VSub_Name FLAGS_FALSE))} {<-a>} {<-f>} {(DQ (${ Id.VSub_Name output))} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] action: [ (command.If arms: [ (if_arm cond: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {(DQ (${ Id.VSub_Name FLAGS_force))} {<-eq>} {(DQ (${ Id.VSub_Name FLAGS_TRUE))} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] action: [(C {<rm>} {<-f>} {(DQ (${ Id.VSub_Name output))})] spids: [373 394] ) ] else_action: [ (command.Simple words: [{<echo>} {(DQ <"not overwriting '"> (${ Id.VSub_Name output) <"'">)}] redirects: [(redir.Redir op:<Id.Redir_GreatAnd '>&'> fd:-1 arg_word:{<2>})] ) (command.ControlFlow token: <Id.ControlFlow_Exit exit> arg_word: {(DQ (${ Id.VSub_Name FLAGS_ERROR))} ) ] ) ] spids: [339 370] ) ] ) (command.If arms: [ (if_arm cond: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {(DQ (${ Id.VSub_Name FLAGS_dry_run))} {<-eq>} {(DQ (${ Id.VSub_Name FLAGS_FALSE))} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] action: [ (command.AndOr ops: [Id.Op_DPipe] children: [ (command.Simple words: [{<touch>} {(DQ (${ Id.VSub_Name output))}] redirects: [ (redir.Redir op: <Id.Redir_Great '2>'> fd: 2 arg_word: {</dev/null>} ) ] ) (C {<die>} {(DQ <"unable to write to '"> (${ Id.VSub_Name output) <"'">)}) ] ) ] spids: [440 461] ) ] ) (command.Subshell command_list: (command.CommandList children: [ (command.If arms: [ (if_arm cond: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {(DQ (${ Id.VSub_Name FLAGS_dry_run))} {<-eq>} {(DQ (${ Id.VSub_Name FLAGS_FALSE))} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] action: [ (command.Pipeline children: [ (C {(DQ <./> (${ Id.VSub_Name FLAGS_runner))}) (C {<tee>} {(DQ (${ Id.VSub_Name output))}) ] negated: F ) ] spids: [499 520] ) ] else_action: [(C {(DQ <./> (${ Id.VSub_Name FLAGS_runner))})] ) ] ) ) (command.If arms: [ (if_arm cond: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {(DQ (${ Id.VSub_Name FLAGS_dry_run))} {<-eq>} {(DQ (${ Id.VSub_Name FLAGS_FALSE))} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] action: [ (command.Simple words: [{<echo>}] redirects: [(redir.Redir op:<Id.Redir_GreatAnd '>&'> fd:-1 arg_word:{<2>})] ) (command.Simple words: [{<echo>} {(DQ <"Output written to '"> (${ Id.VSub_Name output) <"'.">)}] redirects: [(redir.Redir op:<Id.Redir_GreatAnd '>&'> fd:-1 arg_word:{<2>})] ) ] spids: [558 579] ) ] ) ] ) ) (command.AndOr ops: [Id.Op_DPipe] children: [ (C {<FLAGS>} {(DQ ($ Id.VSub_At '$@'))}) (command.ControlFlow token: <Id.ControlFlow_Exit exit> arg_word: {($ Id.VSub_QMark '$?')} ) ] ) (command.AndOr ops: [Id.Op_DPipe] children: [ (C {<Id.Lit_LBracket '['>} {(DQ (${ Id.VSub_Name FLAGS_help))} {<-eq>} {(DQ (${ Id.VSub_Name FLAGS_FALSE))} {<Id.Lit_RBracket ']'>} ) (command.ControlFlow token:<Id.ControlFlow_Exit exit>) ] ) (C {<eval>} {<Id.KW_Set set>} {<-->} {(DQ (${ Id.VSub_Name FLAGS_ARGV))}) (C {<main>} { (DQ (braced_var_sub token: <Id.VSub_At '@'> suffix_op: (suffix_op.Unary op_id:Id.VTest_ColonHyphen arg_word:(word.Empty)) ) ) } ) ] )