#!/bin/sh
#
# This program resolves merge conflicts in git
#
# Copyright (c) 2006 Theodore Y. Ts'o
# Copyright (c) 2009-2016 David Aguilar
#
# This file is licensed under the GPL v2, or a later version
# at the discretion of Junio C Hamano.
#

global USAGE := ''[--tool=tool] [--tool-help] [-y|--no-prompt|--prompt] [-O<orderfile>] [file to merge] ...''
global SUBDIRECTORY_OK := 'Yes'
global NONGIT_OK := 'Yes'
global OPTIONS_SPEC := ''
global TOOL_MODE := 'merge'
source git-sh-setup
source git-mergetool--lib

# Returns true if the mode reflects a symlink
proc is_symlink {
	test $1 = 120000
}

proc is_submodule {
	test $1 = 160000
}

proc local_present {
	test -n $local_mode
}

proc remote_present {
	test -n $remote_mode
}

proc base_present {
	test -n $base_mode
}

proc mergetool_tmpdir_init {
	if test $[git config --bool mergetool.writeToTemp] != true
	{
		global MERGETOOL_TMPDIR := '.'
		return 0
	}
	if global MERGETOOL_TMPDIR := $[mktemp -d -t "git-mergetool-XXXXXX" !2 >/dev/null]
	{
		return 0
	}
	die "error: mktemp is needed when 'mergetool.writeToTemp' is true"
}

proc cleanup_temp_files {
	if test $1 = --save-backup
	{
		rm -rf -- "$MERGED.orig"
		test -e $BACKUP && mv -- $BACKUP "$MERGED.orig"
		rm -f -- $LOCAL $REMOTE $BASE
	} else {
		rm -f -- $LOCAL $REMOTE $BASE $BACKUP
	}
	if test $MERGETOOL_TMPDIR != "."
	{
		rmdir $MERGETOOL_TMPDIR
	}
}

proc describe_file {
	global mode := $1
	global branch := $2
	global file := $3

	printf "  {%s}: " $branch
	if test -z $mode
	{
		echo "deleted"
	} elif is_symlink $mode
	{
		echo "a symbolic link -> '$[cat $file]'"
	} elif is_submodule $mode
	{
		echo "submodule commit $file"
	} elif base_present
	{
		echo "modified file"
	} else {
		echo "created file"
	}
}

proc resolve_symlink_merge {
	while true
	{
		printf "Use (l)ocal or (r)emote, or (a)bort? "
		read ans || return 1
		matchstr $ans {
		[lL]* {
			git checkout-index -f --stage=2 -- $MERGED
			git add -- $MERGED
			cleanup_temp_files --save-backup
			return 0
			}
		[rR]* {
			git checkout-index -f --stage=3 -- $MERGED
			git add -- $MERGED
			cleanup_temp_files --save-backup
			return 0
			}
		[aA]* {
			return 1
			}
		}
	}
}

proc resolve_deleted_merge {
	while true
	{
		if base_present
		{
			printf "Use (m)odified or (d)eleted file, or (a)bort? "
		} else {
			printf "Use (c)reated or (d)eleted file, or (a)bort? "
		}
		read ans || return 1
		matchstr $ans {
		[mMcC]* {
			git add -- $MERGED
			if test $merge_keep_backup = "true"
			{
				cleanup_temp_files --save-backup
			} else {
				cleanup_temp_files
			}
			return 0
			}
		[dD]* {
			git rm -- $MERGED > /dev/null
			cleanup_temp_files
			return 0
			}
		[aA]* {
			if test $merge_keep_temporaries = "false"
			{
				cleanup_temp_files
			}
			return 1
			}
		}
	}
}

proc resolve_submodule_merge {
	while true
	{
		printf "Use (l)ocal or (r)emote, or (a)bort? "
		read ans || return 1
		matchstr $ans {
		[lL]* {
			if ! local_present
			{
				if test -n $[git ls-tree HEAD -- $MERGED]
				{
					# Local isn't present, but it's a subdirectory
					git ls-tree --full-name -r HEAD -- $MERGED |
					git update-index --index-info || exit $Status
				} else {
					test -e $MERGED && mv -- $MERGED $BACKUP
					git update-index --force-remove $MERGED
					cleanup_temp_files --save-backup
				}
			} elif is_submodule $local_mode
			{
				stage_submodule $MERGED $local_sha1
			} else {
				git checkout-index -f --stage=2 -- $MERGED
				git add -- $MERGED
			}
			return 0
			}
		[rR]* {
			if ! remote_present
			{
				if test -n $[git ls-tree MERGE_HEAD -- $MERGED]
				{
					# Remote isn't present, but it's a subdirectory
					git ls-tree --full-name -r MERGE_HEAD -- $MERGED |
					git update-index --index-info || exit $Status
				} else {
					test -e $MERGED && mv -- $MERGED $BACKUP
					git update-index --force-remove $MERGED
				}
			} elif is_submodule $remote_mode
			{
				! is_submodule $local_mode &&
				test -e $MERGED &&
				mv -- $MERGED $BACKUP
				stage_submodule $MERGED $remote_sha1
			} else {
				test -e $MERGED && mv -- $MERGED $BACKUP
				git checkout-index -f --stage=3 -- $MERGED
				git add -- $MERGED
			}
			cleanup_temp_files --save-backup
			return 0
			}
		[aA]* {
			return 1
			}
		}
	}
}

proc stage_submodule {
	global path := $1
	global submodule_sha1 := $2
	mkdir -p $path ||
	die "fatal: unable to create directory for module at $path"
	# Find $path relative to work tree
	global work_tree_root := $[cd_to_toplevel && pwd]
	global work_rel_path := $[cd $path &&
		env GIT_WORK_TREE=$(work_tree_root) git rev-parse --show-prefix]
	test -n $work_rel_path ||
	die "fatal: unable to get path of module $path relative to work tree"
	git update-index --add --replace --cacheinfo 160000 $submodule_sha1 $(work_rel_path%/) || die
}

proc checkout_staged_file {
	global tmpfile := $[expr \
		$[git checkout-index --temp --stage="$1" $2 !2 >/dev/null] \
		: '\([^	]*\)	]

	if test $Status -eq 0 && test -n $tmpfile
	{
		mv -- "$[git rev-parse --show-cdup]$tmpfile" $3
	} else {
		>$3
	}
}

proc merge_file {
	global MERGED := $1

	global f := $[git ls-files -u -- $MERGED]
	if test -z $f
	{
		if test ! -f $MERGED
		{
			echo "$MERGED: file not found"
		} else {
			echo "$MERGED: file does not need merging"
		}
		return 1
	}

	if global BASE := $[expr $MERGED : '\(.*\)\.[^/]*$]
	{
		global ext := $[expr $MERGED : '.*\(\.[^/]*\)$]
	} else {
		global BASE := $MERGED
		global ext := ''
	}

	mergetool_tmpdir_init

	if test $MERGETOOL_TMPDIR != "."
	{
		# If we're using a temporary directory then write to the
		# top-level of that directory.
		global BASE := $(BASE##*/)
	}

	global BACKUP := ""$MERGETOOL_TMPDIR/$(BASE)_BACKUP_$Pid$ext""
	global LOCAL := ""$MERGETOOL_TMPDIR/$(BASE)_LOCAL_$Pid$ext""
	global REMOTE := ""$MERGETOOL_TMPDIR/$(BASE)_REMOTE_$Pid$ext""
	global BASE := ""$MERGETOOL_TMPDIR/$(BASE)_BASE_$Pid$ext""

	global base_mode := $[git ls-files -u -- $MERGED | awk '{if ($3==1) print $1;}]
	global local_mode := $[git ls-files -u -- $MERGED | awk '{if ($3==2) print $1;}]
	global remote_mode := $[git ls-files -u -- $MERGED | awk '{if ($3==3) print $1;}]

	if is_submodule $local_mode || is_submodule $remote_mode
	{
		echo "Submodule merge conflict for '$MERGED':"
		global local_sha1 := $[git ls-files -u -- $MERGED | awk '{if ($3==2) print $2;}]
		global remote_sha1 := $[git ls-files -u -- $MERGED | awk '{if ($3==3) print $2;}]
		describe_file $local_mode "local" $local_sha1
		describe_file $remote_mode "remote" $remote_sha1
		resolve_submodule_merge
		return
	}

	if test -f $MERGED
	{
		mv -- $MERGED $BACKUP
		cp -- $BACKUP $MERGED
	}
	# Create a parent directory to handle delete/delete conflicts
	# where the base's directory no longer exists.
	mkdir -p $[dirname $MERGED]

	checkout_staged_file 1 $MERGED $BASE
	checkout_staged_file 2 $MERGED $LOCAL
	checkout_staged_file 3 $MERGED $REMOTE

	if test -z $local_mode || test -z $remote_mode
	{
		echo "Deleted merge conflict for '$MERGED':"
		describe_file $local_mode "local" $LOCAL
		describe_file $remote_mode "remote" $REMOTE
		resolve_deleted_merge
		global status := $Status
		rmdir -p $[dirname $MERGED] !2 >/dev/null
		return $status
	}

	if is_symlink $local_mode || is_symlink $remote_mode
	{
		echo "Symbolic link merge conflict for '$MERGED':"
		describe_file $local_mode "local" $LOCAL
		describe_file $remote_mode "remote" $REMOTE
		resolve_symlink_merge
		return
	}

	echo "Normal merge conflict for '$MERGED':"
	describe_file $local_mode "local" $LOCAL
	describe_file $remote_mode "remote" $REMOTE
	if test $guessed_merge_tool = true || test $prompt = true
	{
		printf "Hit return to start merge resolution tool (%s): " $merge_tool
		read ans || return 1
	}

	if base_present
	{
		global present := 'true'
	} else {
		global present := 'false'
	}

	if ! run_merge_tool $merge_tool $present
	{
		echo "merge of $MERGED failed" !1 > !2
		mv -- $BACKUP $MERGED

		if test $merge_keep_temporaries = "false"
		{
			cleanup_temp_files
		}

		return 1
	}

	if test $merge_keep_backup = "true"
	{
		mv -- $BACKUP "$MERGED.orig"
	} else {
		rm -- $BACKUP
	}

	git add -- $MERGED
	cleanup_temp_files
	return 0
}

proc prompt_after_failed_merge {
	while true
	{
		printf "Continue merging other unresolved paths [y/n]? "
		read ans || return 1
		matchstr $ans {
		[yY]* {
			return 0
			}
		[nN]* {
			return 1
			}
		}
	}
}

proc print_noop_and_exit {
	echo "No files need merging"
	exit 0
}

proc main {
	global prompt := $[git config --bool mergetool.prompt]
	global guessed_merge_tool := 'false'
	global orderfile := ''

	while test $# != 0
	{
		matchstr $1 {
		--tool-help=* {
			global TOOL_MODE := $(1#--tool-help=)
			show_tool_help
			}
		--tool-help {
			show_tool_help
			}
		-t|--tool* {
			matchstr "$Argc,$1" {
			*,*=* {
				global merge_tool := $[expr "z$1" : 'z-[^=]*=\(.*\)]
				}
			1,* {
				usage }
			* {
				global merge_tool := $2
				shift }
			}
			}
		-y|--no-prompt {
			global prompt := 'false'
			}
		--prompt {
			global prompt := 'true'
			}
		-O* {
			global orderfile := $1
			}
		-- {
			shift
			break
			}
		-* {
			usage
			}
		* {
			break
			}
		}
		shift
	}

	git_dir_init
	require_work_tree

	if test -z $merge_tool
	{
		# Check if a merge tool has been configured
		global merge_tool := $[get_configured_merge_tool]
		# Try to guess an appropriate merge tool if no tool has been set.
		if test -z $merge_tool
		{
			global merge_tool := $[guess_merge_tool] || exit
			global guessed_merge_tool := 'true'
		}
	}
	global merge_keep_backup := $[git config --bool mergetool.keepBackup || echo true]
	global merge_keep_temporaries := $[git config --bool mergetool.keepTemporaries || echo false]

	if test $Argc -eq 0 && test -e "$GIT_DIR/MERGE_RR"
	{
		set -- $[git rerere remaining]
		if test $Argc -eq 0
		{
			print_noop_and_exit
		}
	}

	global files := $[git -c core.quotePath=false \
		diff --name-only --diff-filter=U \
		$(orderfile:+"$orderfile") -- @Argv]

	cd_to_toplevel

	if test -z $files
	{
		print_noop_and_exit
	}

	printf "Merging:\n"
	printf "%s\n" $files

	global rc := '0'
	for i in [$files]
	{
		printf "\n"
		if ! merge_file $i
		{
			global rc := '1'
			prompt_after_failed_merge || exit 1
		}
	}

	exit $rc
}

main @Argv
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:USAGE)
          op: Equal
          rhs: 
            {
              (SQ 
                <
"[--tool=tool] [--tool-help] [-y|--no-prompt|--prompt] [-O<orderfile>] [file to merge] ..."
                >
              )
            }
          spids: [31]
        )
      ]
      spids: [31]
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:SUBDIRECTORY_OK) op:Equal rhs:{(Yes)} spids:[36])]
      spids: [36]
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:NONGIT_OK) op:Equal rhs:{(Yes)} spids:[39])]
      spids: [39]
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:OPTIONS_SPEC) op:Equal rhs:{(SQ )} spids:[42])]
      spids: [42]
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:TOOL_MODE) op:Equal rhs:{(merge)} spids:[44])]
      spids: [44]
    )
    (C {(.)} {(git-sh-setup)})
    (C {(.)} {(git-mergetool--lib)})
    (FuncDef
      name: is_symlink
      body: 
        (BraceGroup
          children: [(C {(test)} {(DQ ($ VSub_Number "$1"))} {(Lit_Other "=")} {(120000)})]
          spids: [64]
        )
      spids: [59 63]
    )
    (FuncDef
      name: is_submodule
      body: 
        (BraceGroup
          children: [(C {(test)} {(DQ ($ VSub_Number "$1"))} {(Lit_Other "=")} {(160000)})]
          spids: [85]
        )
      spids: [80 84]
    )
    (FuncDef
      name: local_present
      body: 
        (BraceGroup
          children: [(C {(test)} {(-n)} {(DQ ($ VSub_Name "$local_mode"))})]
          spids: [106]
        )
      spids: [101 105]
    )
    (FuncDef
      name: remote_present
      body: 
        (BraceGroup
          children: [(C {(test)} {(-n)} {(DQ ($ VSub_Name "$remote_mode"))})]
          spids: [125]
        )
      spids: [120 124]
    )
    (FuncDef
      name: base_present
      body: (BraceGroup children:[(C {(test)} {(-n)} {(DQ ($ VSub_Name "$base_mode"))})] spids:[144])
      spids: [139 143]
    )
    (FuncDef
      name: mergetool_tmpdir_init
      body: 
        (BraceGroup
          children: [
            (If
              arms: [
                (if_arm
                  cond: [
                    (C {(test)} 
                      {
                        (DQ 
                          (CommandSubPart
                            command_list: 
                              (CommandList
                                children: [(C {(git)} {(config)} {(--bool)} {(mergetool.writeToTemp)})]
                              )
                            left_token: <Left_CommandSub "$(">
                            spids: [171 179]
                          )
                        )
                      } {(KW_Bang "!") (Lit_Other "=")} {(true)}
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:MERGETOOL_TMPDIR)
                          op: Equal
                          rhs: {(.)}
                          spids: [191]
                        )
                      ]
                      spids: [191]
                    )
                    (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
                  ]
                  spids: [-1 188]
                )
              ]
              spids: [-1 200]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:MERGETOOL_TMPDIR)
                          op: Equal
                          rhs: 
                            {
                              (CommandSubPart
                                command_list: 
                                  (CommandList
                                    children: [
                                      (SimpleCommand
                                        words: [{(mktemp)} {(-d)} {(-t)} {(DQ (git-mergetool-XXXXXX))}]
                                        redirects: [
                                          (Redir
                                            op_id: Redir_Great
                                            fd: 2
                                            arg_word: {(/dev/null)}
                                            spids: [217]
                                          )
                                        ]
                                      )
                                    ]
                                  )
                                left_token: <Left_CommandSub "$(">
                                spids: [206 219]
                              )
                            }
                          spids: [205]
                        )
                      ]
                      spids: [205]
                    )
                  ]
                  action: [(ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})]
                  spids: [-1 222]
                )
              ]
              spids: [-1 230]
            )
            (C {(die)} {(DQ ("error: mktemp is needed when 'mergetool.writeToTemp' is true"))})
          ]
          spids: [163]
        )
      spids: [158 162]
    )
    (FuncDef
      name: cleanup_temp_files
      body: 
        (BraceGroup
          children: [
            (If
              arms: [
                (if_arm
                  cond: [(C {(test)} {(DQ ($ VSub_Number "$1"))} {(Lit_Other "=")} {(--save-backup)})]
                  action: [
                    (C {(rm)} {(-rf)} {(--)} {(DQ ($ VSub_Name "$MERGED") (.orig))})
                    (AndOr
                      children: [
                        (C {(test)} {(-e)} {(DQ ($ VSub_Name "$BACKUP"))})
                        (C {(mv)} {(--)} {(DQ ($ VSub_Name "$BACKUP"))} 
                          {(DQ ($ VSub_Name "$MERGED") (.orig))}
                        )
                      ]
                      op_id: Op_DAmp
                    )
                    (C {(rm)} {(-f)} {(--)} {(DQ ($ VSub_Name "$LOCAL"))} {(DQ ($ VSub_Name "$REMOTE"))} 
                      {(DQ ($ VSub_Name "$BASE"))}
                    )
                  ]
                  spids: [-1 263]
                )
              ]
              else_action: [
                (C {(rm)} {(-f)} {(--)} {(DQ ($ VSub_Name "$LOCAL"))} {(DQ ($ VSub_Name "$REMOTE"))} 
                  {(DQ ($ VSub_Name "$BASE"))} {(DQ ($ VSub_Name "$BACKUP"))}
                )
              ]
              spids: [321 347]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (C {(test)} {(DQ ($ VSub_Name "$MERGETOOL_TMPDIR"))} {(KW_Bang "!") (Lit_Other "=")} 
                      {(DQ (.))}
                    )
                  ]
                  action: [(C {(rmdir)} {(DQ ($ VSub_Name "$MERGETOOL_TMPDIR"))})]
                  spids: [-1 366]
                )
              ]
              spids: [-1 376]
            )
          ]
          spids: [247]
        )
      spids: [242 246]
    )
    (FuncDef
      name: describe_file
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:mode)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number "$1"))}
                  spids: [389]
                )
              ]
              spids: [389]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:branch)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number "$2"))}
                  spids: [395]
                )
              ]
              spids: [395]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:file)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number "$3"))}
                  spids: [401]
                )
              ]
              spids: [401]
            )
            (C {(printf)} {(DQ ("  {%s}: "))} {(DQ ($ VSub_Name "$branch"))})
            (If
              arms: [
                (if_arm
                  cond: [(C {(test)} {(-z)} {(DQ ($ VSub_Name "$mode"))})]
                  action: [(C {(echo)} {(DQ (deleted))})]
                  spids: [-1 430]
                )
                (if_arm
                  cond: [(C {(is_symlink)} {(DQ ($ VSub_Name "$mode"))})]
                  action: [
                    (C {(echo)} 
                      {
                        (DQ ("a symbolic link -> '") 
                          (CommandSubPart
                            command_list: 
                              (CommandList
                                children: [(C {(cat)} {(DQ ($ VSub_Name "$file"))})]
                              )
                            left_token: <Left_CommandSub "$(">
                            spids: [456 462]
                          ) ("'")
                        )
                      }
                    )
                  ]
                  spids: [440 449]
                )
                (if_arm
                  cond: [(C {(is_submodule)} {(DQ ($ VSub_Name "$mode"))})]
                  action: [(C {(echo)} {(DQ ("submodule commit ") ($ VSub_Name "$file"))})]
                  spids: [467 476]
                )
                (if_arm
                  cond: [(C {(base_present)})]
                  action: [(C {(echo)} {(DQ ("modified file"))})]
                  spids: [487 492]
                )
              ]
              else_action: [(C {(echo)} {(DQ ("created file"))})]
              spids: [502 512]
            )
          ]
          spids: [386]
        )
      spids: [381 385]
    )
    (FuncDef
      name: resolve_symlink_merge
      body: 
        (BraceGroup
          children: [
            (While
              cond: [(C {(true)})]
              body: 
                (DoGroup
                  children: [
                    (C {(printf)} {(DQ ("Use (l)ocal or (r)emote, or (a)bort? "))})
                    (AndOr
                      children: [
                        (C {(read)} {(ans)})
                        (ControlFlow
                          token: <ControlFlow_Return return>
                          arg_word: {(1)}
                        )
                      ]
                      op_id: Op_DPipe
                    )
                    (Case
                      to_match: {(DQ ($ VSub_Name "$ans"))}
                      arms: [
                        (case_arm
                          pat_list: [{(Lit_Other "[") (lL) (Lit_Other "]") (Lit_Other "*")}]
                          action: [
                            (C {(git)} {(checkout-index)} {(-f)} {(--stage) (Lit_Other "=") (2)} {(--)} 
                              {(DQ ($ VSub_Name "$MERGED"))}
                            )
                            (C {(git)} {(add)} {(--)} {(DQ ($ VSub_Name "$MERGED"))})
                            (C {(cleanup_temp_files)} {(--save-backup)})
                            (ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                          spids: [560 564 605 -1]
                        )
                        (case_arm
                          pat_list: [{(Lit_Other "[") (rR) (Lit_Other "]") (Lit_Other "*")}]
                          action: [
                            (C {(git)} {(checkout-index)} {(-f)} {(--stage) (Lit_Other "=") (3)} {(--)} 
                              {(DQ ($ VSub_Name "$MERGED"))}
                            )
                            (C {(git)} {(add)} {(--)} {(DQ ($ VSub_Name "$MERGED"))})
                            (C {(cleanup_temp_files)} {(--save-backup)})
                            (ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                          spids: [608 612 653 -1]
                        )
                        (case_arm
                          pat_list: [{(Lit_Other "[") (aA) (Lit_Other "]") (Lit_Other "*")}]
                          action: [(ControlFlow token:<ControlFlow_Return return> arg_word:{(1)})]
                          spids: [656 660 668 -1]
                        )
                      ]
                      spids: [551 557 671]
                    )
                  ]
                  spids: [530 674]
                )
            )
          ]
          spids: [522]
        )
      spids: [517 521]
    )
    (FuncDef
      name: resolve_deleted_merge
      body: 
        (BraceGroup
          children: [
            (While
              cond: [(C {(true)})]
              body: 
                (DoGroup
                  children: [
                    (If
                      arms: [
                        (if_arm
                          cond: [(C {(base_present)})]
                          action: [
                            (C {(printf)} {(DQ ("Use (m)odified or (d)eleted file, or (a)bort? "))})
                          ]
                          spids: [-1 700]
                        )
                      ]
                      else_action: [
                        (C {(printf)} {(DQ ("Use (c)reated or (d)eleted file, or (a)bort? "))})
                      ]
                      spids: [710 720]
                    )
                    (AndOr
                      children: [
                        (C {(read)} {(ans)})
                        (ControlFlow
                          token: <ControlFlow_Return return>
                          arg_word: {(1)}
                        )
                      ]
                      op_id: Op_DPipe
                    )
                    (Case
                      to_match: {(DQ ($ VSub_Name "$ans"))}
                      arms: [
                        (case_arm
                          pat_list: [{(Lit_Other "[") (mMcC) (Lit_Other "]") (Lit_Other "*")}]
                          action: [
                            (C {(git)} {(add)} {(--)} {(DQ ($ VSub_Name "$MERGED"))})
                            (If
                              arms: [
                                (if_arm
                                  cond: [
                                    (C {(test)} {(DQ ($ VSub_Name "$merge_keep_backup"))} 
                                      {(Lit_Other "=")} {(DQ (true))}
                                    )
                                  ]
                                  action: [(C {(cleanup_temp_files)} {(--save-backup)})]
                                  spids: [-1 776]
                                )
                              ]
                              else_action: [(C {(cleanup_temp_files)})]
                              spids: [784 790]
                            )
                            (ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                          spids: [743 747 798 -1]
                        )
                        (case_arm
                          pat_list: [{(Lit_Other "[") (dD) (Lit_Other "]") (Lit_Other "*")}]
                          action: [
                            (SimpleCommand
                              words: [{(git)} {(rm)} {(--)} {(DQ ($ VSub_Name "$MERGED"))}]
                              redirects: [
                                (Redir
                                  op_id: Redir_Great
                                  fd: -1
                                  arg_word: {(/dev/null)}
                                  spids: [818]
                                )
                              ]
                            )
                            (C {(cleanup_temp_files)})
                            (ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                          spids: [801 805 831 -1]
                        )
                        (case_arm
                          pat_list: [{(Lit_Other "[") (aA) (Lit_Other "]") (Lit_Other "*")}]
                          action: [
                            (If
                              arms: [
                                (if_arm
                                  cond: [
                                    (C {(test)} {(DQ ($ VSub_Name "$merge_keep_temporaries"))} 
                                      {(Lit_Other "=")} {(DQ (false))}
                                    )
                                  ]
                                  action: [(C {(cleanup_temp_files)})]
                                  spids: [-1 856]
                                )
                              ]
                              spids: [-1 862]
                            )
                            (ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(1)}
                            )
                          ]
                          spids: [834 838 870 -1]
                        )
                      ]
                      spids: [734 740 873]
                    )
                  ]
                  spids: [692 876]
                )
            )
          ]
          spids: [684]
        )
      spids: [679 683]
    )
    (FuncDef
      name: resolve_submodule_merge
      body: 
        (BraceGroup
          children: [
            (While
              cond: [(C {(true)})]
              body: 
                (DoGroup
                  children: [
                    (C {(printf)} {(DQ ("Use (l)ocal or (r)emote, or (a)bort? "))})
                    (AndOr
                      children: [
                        (C {(read)} {(ans)})
                        (ControlFlow
                          token: <ControlFlow_Return return>
                          arg_word: {(1)}
                        )
                      ]
                      op_id: Op_DPipe
                    )
                    (Case
                      to_match: {(DQ ($ VSub_Name "$ans"))}
                      arms: [
                        (case_arm
                          pat_list: [{(Lit_Other "[") (lL) (Lit_Other "]") (Lit_Other "*")}]
                          action: [
                            (If
                              arms: [
                                (if_arm
                                  cond: [(Pipeline children:[(C {(local_present)})] negated:True)]
                                  action: [
                                    (If
                                      arms: [
                                        (if_arm
                                          cond: [
                                            (C {(test)} {(-n)} 
                                              {
                                                (DQ 
                                                  (CommandSubPart
                                                    command_list: 
                                                      (CommandList
                                                        children: [
                                                          (C {(git)} {(ls-tree)} {(HEAD)} {(--)} 
                                                            {(DQ ($ VSub_Name "$MERGED"))}
                                                          )
                                                        ]
                                                      )
                                                    left_token: <Left_CommandSub "$(">
                                                    spids: [948 960]
                                                  )
                                                )
                                              }
                                            )
                                          ]
                                          action: [
                                            (AndOr
                                              children: [
                                                (Pipeline
                                                  children: [
                                                    (C {(git)} {(ls-tree)} {(--full-name)} {(-r)} {(HEAD)} 
                                                      {(--)} {(DQ ($ VSub_Name "$MERGED"))}
                                                    )
                                                    (C {(git)} {(update-index)} {(--index-info)})
                                                  ]
                                                  negated: False
                                                )
                                                (C {(exit)} {($ VSub_QMark "$?")})
                                              ]
                                              op_id: Op_DPipe
                                            )
                                          ]
                                          spids: [-1 964]
                                        )
                                      ]
                                      else_action: [
                                        (AndOr
                                          children: [
                                            (C {(test)} {(-e)} {(DQ ($ VSub_Name "$MERGED"))})
                                            (C {(mv)} {(--)} {(DQ ($ VSub_Name "$MERGED"))} 
                                              {(DQ ($ VSub_Name "$BACKUP"))}
                                            )
                                          ]
                                          op_id: Op_DAmp
                                        )
                                        (C {(git)} {(update-index)} {(--force-remove)} 
                                          {(DQ ($ VSub_Name "$MERGED"))}
                                        )
                                        (C {(cleanup_temp_files)} {(--save-backup)})
                                      ]
                                      spids: [1003 1045]
                                    )
                                  ]
                                  spids: [-1 938]
                                )
                                (if_arm
                                  cond: [(C {(is_submodule)} {(DQ ($ VSub_Name "$local_mode"))})]
                                  action: [
                                    (C {(stage_submodule)} {(DQ ($ VSub_Name "$MERGED"))} 
                                      {(DQ ($ VSub_Name "$local_sha1"))}
                                    )
                                  ]
                                  spids: [1048 1057]
                                )
                              ]
                              else_action: [
                                (C {(git)} {(checkout-index)} {(-f)} {(--stage) (Lit_Other "=") (2)} 
                                  {(--)} {(DQ ($ VSub_Name "$MERGED"))}
                                )
                                (C {(git)} {(add)} {(--)} {(DQ ($ VSub_Name "$MERGED"))})
                              ]
                              spids: [1071 1102]
                            )
                            (ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                          spids: [924 928 1110 -1]
                        )
                        (case_arm
                          pat_list: [{(Lit_Other "[") (rR) (Lit_Other "]") (Lit_Other "*")}]
                          action: [
                            (If
                              arms: [
                                (if_arm
                                  cond: [(Pipeline children:[(C {(remote_present)})] negated:True)]
                                  action: [
                                    (If
                                      arms: [
                                        (if_arm
                                          cond: [
                                            (C {(test)} {(-n)} 
                                              {
                                                (DQ 
                                                  (CommandSubPart
                                                    command_list: 
                                                      (CommandList
                                                        children: [
                                                          (C {(git)} {(ls-tree)} {(MERGE_HEAD)} {(--)} 
                                                            {(DQ ($ VSub_Name "$MERGED"))}
                                                          )
                                                        ]
                                                      )
                                                    left_token: <Left_CommandSub "$(">
                                                    spids: [1137 1149]
                                                  )
                                                )
                                              }
                                            )
                                          ]
                                          action: [
                                            (AndOr
                                              children: [
                                                (Pipeline
                                                  children: [
                                                    (C {(git)} {(ls-tree)} {(--full-name)} {(-r)} 
                                                      {(MERGE_HEAD)} {(--)} {(DQ ($ VSub_Name "$MERGED"))}
                                                    )
                                                    (C {(git)} {(update-index)} {(--index-info)})
                                                  ]
                                                  negated: False
                                                )
                                                (C {(exit)} {($ VSub_QMark "$?")})
                                              ]
                                              op_id: Op_DPipe
                                            )
                                          ]
                                          spids: [-1 1153]
                                        )
                                      ]
                                      else_action: [
                                        (AndOr
                                          children: [
                                            (C {(test)} {(-e)} {(DQ ($ VSub_Name "$MERGED"))})
                                            (C {(mv)} {(--)} {(DQ ($ VSub_Name "$MERGED"))} 
                                              {(DQ ($ VSub_Name "$BACKUP"))}
                                            )
                                          ]
                                          op_id: Op_DAmp
                                        )
                                        (C {(git)} {(update-index)} {(--force-remove)} 
                                          {(DQ ($ VSub_Name "$MERGED"))}
                                        )
                                      ]
                                      spids: [1192 1229]
                                    )
                                  ]
                                  spids: [-1 1127]
                                )
                                (if_arm
                                  cond: [(C {(is_submodule)} {(DQ ($ VSub_Name "$remote_mode"))})]
                                  action: [
                                    (AndOr
                                      children: [
                                        (Pipeline
                                          children: [
                                            (C {(is_submodule)} {(DQ ($ VSub_Name "$local_mode"))})
                                          ]
                                          negated: True
                                        )
                                        (AndOr
                                          children: [
                                            (C {(test)} {(-e)} {(DQ ($ VSub_Name "$MERGED"))})
                                            (C {(mv)} {(--)} {(DQ ($ VSub_Name "$MERGED"))} 
                                              {(DQ ($ VSub_Name "$BACKUP"))}
                                            )
                                          ]
                                          op_id: Op_DAmp
                                        )
                                      ]
                                      op_id: Op_DAmp
                                    )
                                    (C {(stage_submodule)} {(DQ ($ VSub_Name "$MERGED"))} 
                                      {(DQ ($ VSub_Name "$remote_sha1"))}
                                    )
                                  ]
                                  spids: [1232 1241]
                                )
                              ]
                              else_action: [
                                (AndOr
                                  children: [
                                    (C {(test)} {(-e)} {(DQ ($ VSub_Name "$MERGED"))})
                                    (C {(mv)} {(--)} {(DQ ($ VSub_Name "$MERGED"))} 
                                      {(DQ ($ VSub_Name "$BACKUP"))}
                                    )
                                  ]
                                  op_id: Op_DAmp
                                )
                                (C {(git)} {(checkout-index)} {(-f)} {(--stage) (Lit_Other "=") (3)} 
                                  {(--)} {(DQ ($ VSub_Name "$MERGED"))}
                                )
                                (C {(git)} {(add)} {(--)} {(DQ ($ VSub_Name "$MERGED"))})
                              ]
                              spids: [1290 1344]
                            )
                            (C {(cleanup_temp_files)} {(--save-backup)})
                            (ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                          spids: [1113 1117 1357 -1]
                        )
                        (case_arm
                          pat_list: [{(Lit_Other "[") (aA) (Lit_Other "]") (Lit_Other "*")}]
                          action: [(ControlFlow token:<ControlFlow_Return return> arg_word:{(1)})]
                          spids: [1360 1364 1372 -1]
                        )
                      ]
                      spids: [915 921 1375]
                    )
                  ]
                  spids: [894 1378]
                )
            )
          ]
          spids: [886]
        )
      spids: [881 885]
    )
    (FuncDef
      name: stage_submodule
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:path)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number "$1"))}
                  spids: [1391]
                )
              ]
              spids: [1391]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:submodule_sha1)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number "$2"))}
                  spids: [1397]
                )
              ]
              spids: [1397]
            )
            (AndOr
              children: [
                (C {(mkdir)} {(-p)} {(DQ ($ VSub_Name "$path"))})
                (C {(die)} 
                  {(DQ ("fatal: unable to create directory for module at ") ($ VSub_Name "$path"))}
                )
              ]
              op_id: Op_DPipe
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:work_tree_root)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: 
                          (CommandList
                            children: [
                              (AndOr
                                children: [(C {(cd_to_toplevel)}) (C {(pwd)})]
                                op_id: Op_DAmp
                              )
                            ]
                          )
                        left_token: <Left_CommandSub "$(">
                        spids: [1427 1433]
                      )
                    }
                  spids: [1426]
                )
              ]
              spids: [1426]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:work_rel_path)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: 
                          (CommandList
                            children: [
                              (AndOr
                                children: [
                                  (C {(cd)} {(DQ ($ VSub_Name "$path"))})
                                  (SimpleCommand
                                    words: [{(git)} {(rev-parse)} {(--show-prefix)}]
                                    more_env: [
                                      (env_pair
                                        name: GIT_WORK_TREE
                                        val: {(DQ (${ VSub_Name work_tree_root))}
                                        spids: [1447]
                                      )
                                    ]
                                  )
                                ]
                                op_id: Op_DAmp
                              )
                            ]
                          )
                        left_token: <Left_CommandSub "$(">
                        spids: [1437 1461]
                      )
                    }
                  spids: [1436]
                )
              ]
              spids: [1436]
            )
            (AndOr
              children: [
                (C {(test)} {(-n)} {(DQ ($ VSub_Name "$work_rel_path"))})
                (C {(die)} 
                  {
                    (DQ ("fatal: unable to get path of module ") ($ VSub_Name "$path") 
                      (" relative to work tree")
                    )
                  }
                )
              ]
              op_id: Op_DPipe
            )
            (AndOr
              children: [
                (C {(git)} {(update-index)} {(--add)} {(--replace)} {(--cacheinfo)} {(160000)} 
                  {(DQ ($ VSub_Name "$submodule_sha1"))} 
                  {
                    (DQ 
                      (BracedVarSub
                        token: <VSub_Name work_rel_path>
                        suffix_op: (StringUnary op_id:VOp1_Percent arg_word:{(Lit_Slash /)})
                        spids: [1501 1505]
                      )
                    )
                  }
                )
                (C {(die)})
              ]
              op_id: Op_DPipe
            )
          ]
          spids: [1388]
        )
      spids: [1383 1387]
    )
    (FuncDef
      name: checkout_staged_file
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:tmpfile)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: 
                          (CommandList
                            children: [
                              (C {(expr)} 
                                {
                                  (DQ 
                                    (CommandSubPart
                                      command_list: 
                                        (CommandList
                                          children: [
                                            (SimpleCommand
                                              words: [
                                                {(git)}
                                                {(checkout-index)}
                                                {(--temp)}
                                                {(--stage) (Lit_Other "=") (DQ ($ VSub_Number "$1"))}
                                                {(DQ ($ VSub_Number "$2"))}
                                              ]
                                              redirects: [
                                                (Redir
                                                  op_id: Redir_Great
                                                  fd: 2
                                                  arg_word: {(/dev/null)}
                                                  spids: [1547]
                                                )
                                              ]
                                            )
                                          ]
                                        )
                                      left_token: <Left_CommandSub "$(">
                                      spids: [1530 1549]
                                    )
                                  )
                                } {(Lit_Other ":")} {(SQ <"\\([^\t]*\\)\t">)}
                              )
                            ]
                          )
                        left_token: <Left_CommandSub "$(">
                        spids: [1524 1559]
                      )
                    }
                  spids: [1523]
                )
              ]
              spids: [1523]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (AndOr
                      children: [
                        (C {(test)} {($ VSub_QMark "$?")} {(-eq)} {(0)})
                        (C {(test)} {(-n)} {(DQ ($ VSub_Name "$tmpfile"))})
                      ]
                      op_id: Op_DAmp
                    )
                  ]
                  action: [
                    (C {(mv)} {(--)} 
                      {
                        (DQ 
                          (CommandSubPart
                            command_list: 
                              (CommandList
                                children: [(C {(git)} {(rev-parse)} {(--show-cdup)})]
                              )
                            left_token: <Left_CommandSub "$(">
                            spids: [1592 1598]
                          ) ($ VSub_Name "$tmpfile")
                        )
                      } {(DQ ($ VSub_Number "$3"))}
                    )
                  ]
                  spids: [-1 1584]
                )
              ]
              else_action: [
                (SimpleCommand
                  redirects: [
                    (Redir
                      op_id: Redir_Great
                      fd: -1
                      arg_word: {(DQ ($ VSub_Number "$3"))}
                      spids: [1610]
                    )
                  ]
                )
              ]
              spids: [1607 1616]
            )
          ]
          spids: [1520]
        )
      spids: [1515 1519]
    )
    (FuncDef
      name: merge_file
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:MERGED)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number "$1"))}
                  spids: [1629]
                )
              ]
              spids: [1629]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:f)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: 
                          (CommandList
                            children: [
                              (C {(git)} {(ls-files)} {(-u)} {(--)} {(DQ ($ VSub_Name "$MERGED"))})
                            ]
                          )
                        left_token: <Left_CommandSub "$(">
                        spids: [1637 1649]
                      )
                    }
                  spids: [1636]
                )
              ]
              spids: [1636]
            )
            (If
              arms: [
                (if_arm
                  cond: [(C {(test)} {(-z)} {(DQ ($ VSub_Name "$f"))})]
                  action: [
                    (If
                      arms: [
                        (if_arm
                          cond: [(C {(test)} {(KW_Bang "!")} {(-f)} {(DQ ($ VSub_Name "$MERGED"))})]
                          action: [(C {(echo)} {(DQ ($ VSub_Name "$MERGED") (": file not found"))})]
                          spids: [-1 1679]
                        )
                      ]
                      else_action: [
                        (C {(echo)} {(DQ ($ VSub_Name "$MERGED") (": file does not need merging"))})
                      ]
                      spids: [1690 1701]
                    )
                    (ControlFlow token:<ControlFlow_Return return> arg_word:{(1)})
                  ]
                  spids: [-1 1663]
                )
              ]
              spids: [-1 1709]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:BASE)
                          op: Equal
                          rhs: 
                            {
                              (CommandSubPart
                                command_list: 
                                  (CommandList
                                    children: [
                                      (C {(expr)} {(DQ ($ VSub_Name "$MERGED"))} {(Lit_Other ":")} 
                                        {(SQ <"\\(.*\\)\\.[^/]*$">)}
                                      )
                                    ]
                                  )
                                left_token: <Left_CommandSub "$(">
                                spids: [1716 1728]
                              )
                            }
                          spids: [1715]
                        )
                      ]
                      spids: [1715]
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:ext)
                          op: Equal
                          rhs: 
                            {
                              (CommandSubPart
                                command_list: 
                                  (CommandList
                                    children: [
                                      (C {(expr)} {(DQ ($ VSub_Name "$MERGED"))} {(Lit_Other ":")} 
                                        {(SQ <".*\\(\\.[^/]*\\)$">)}
                                      )
                                    ]
                                  )
                                left_token: <Left_CommandSub "$(">
                                spids: [1735 1747]
                              )
                            }
                          spids: [1734]
                        )
                      ]
                      spids: [1734]
                    )
                  ]
                  spids: [-1 1731]
                )
              ]
              else_action: [
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:BASE)
                      op: Equal
                      rhs: {($ VSub_Name "$MERGED")}
                      spids: [1753]
                    )
                  ]
                  spids: [1753]
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [(assign_pair lhs:(LhsName name:ext) op:Equal rhs:{(SQ )} spids:[1757])]
                  spids: [1757]
                )
              ]
              spids: [1750 1760]
            )
            (C {(mergetool_tmpdir_init)})
            (If
              arms: [
                (if_arm
                  cond: [
                    (C {(test)} {(DQ ($ VSub_Name "$MERGETOOL_TMPDIR"))} {(KW_Bang "!") (Lit_Other "=")} 
                      {(DQ (.))}
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:BASE)
                          op: Equal
                          rhs: 
                            {
                              (BracedVarSub
                                token: <VSub_Name BASE>
                                suffix_op: 
                                  (StringUnary
                                    op_id: VOp1_DPound
                                    arg_word: {("*") (Lit_Slash /)}
                                  )
                                spids: [1796 1801]
                              )
                            }
                          spids: [1795]
                        )
                      ]
                      spids: [1795]
                    )
                  ]
                  spids: [-1 1784]
                )
              ]
              spids: [-1 1804]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:BACKUP)
                  op: Equal
                  rhs: 
                    {
                      (DQ ($ VSub_Name "$MERGETOOL_TMPDIR") (/) (${ VSub_Name BASE) (_BACKUP_) 
                        ($ VSub_Dollar "$$") ($ VSub_Name "$ext")
                      )
                    }
                  spids: [1808]
                )
              ]
              spids: [1808]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:LOCAL)
                  op: Equal
                  rhs: 
                    {
                      (DQ ($ VSub_Name "$MERGETOOL_TMPDIR") (/) (${ VSub_Name BASE) (_LOCAL_) 
                        ($ VSub_Dollar "$$") ($ VSub_Name "$ext")
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              spids: [1821]
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            (Assignment
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              spids: [1834]
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            (Assignment
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                (assign_pair
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                    {
                      (DQ ($ VSub_Name "$MERGETOOL_TMPDIR") (/) (${ VSub_Name BASE) (_BASE_) 
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                  spids: [1847]
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              spids: [1847]
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            (Assignment
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                    {
                      (CommandSubPart
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                        left_token: <Left_CommandSub "$(">
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                  spids: [1861]
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              spids: [1861]
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            (Assignment
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                (assign_pair
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                    {
                      (CommandSubPart
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                          (CommandList
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                              (Pipeline
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                                  (C {(git)} {(ls-files)} {(-u)} {(--)} {(DQ ($ VSub_Name "$MERGED"))})
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                        spids: [1886 1906]
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                  spids: [1885]
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              ]
              spids: [1885]
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            (Assignment
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                        spids: [1910 1930]
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              spids: [1909]
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            (If
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                      op_id: Op_DPipe
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                  action: [
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                    (Assignment
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                        (assign_pair
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                            {
                              (CommandSubPart
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                                      (Pipeline
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                                left_token: <Left_CommandSub "$(">
                                spids: [1964 1984]
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                          spids: [1963]
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                      spids: [1963]
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                    (Assignment
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                        (assign_pair
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                            {
                              (CommandSubPart
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                                        negated: False
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                                left_token: <Left_CommandSub "$(">
                                spids: [1988 2008]
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                            }
                          spids: [1987]
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                      spids: [1987]
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                    (C {(describe_file)} {(DQ ($ VSub_Name "$local_mode"))} {(DQ (local))} 
                      {(DQ ($ VSub_Name "$local_sha1"))}
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                    (C {(describe_file)} {(DQ ($ VSub_Name "$remote_mode"))} {(DQ (remote))} 
                      {(DQ ($ VSub_Name "$remote_sha1"))}
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                  spids: [-1 1951]
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              spids: [-1 2047]
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            (If
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                (if_arm
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                  spids: [-1 2062]
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              spids: [-1 2091]
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            (C {(mkdir)} {(-p)} 
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                (DQ 
                  (CommandSubPart
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                      (CommandList
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                    left_token: <Left_CommandSub "$(">
                    spids: [2107 2113]
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            (C {(checkout_staged_file)} {(1)} {(DQ ($ VSub_Name "$MERGED"))} {(DQ ($ VSub_Name "$BASE"))})
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            (If
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                (if_arm
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                      {(DQ ($ VSub_Name "$LOCAL"))}
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                        (assign_pair
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                      spids: [2224]
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                    (SimpleCommand
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                        {(rmdir)}
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                        {
                          (DQ 
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                              spids: [2233 2239]
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                      redirects: [(Redir op_id:Redir_Great fd:2 arg_word:{(/dev/null)} spids:[2242])]
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                    (ControlFlow
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                  spids: [-1 2179]
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              spids: [-1 2251]
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            (If
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                (if_arm
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                    (AndOr
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                        (C {(is_symlink)} {(DQ ($ VSub_Name "$local_mode"))})
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                  action: [
                    (C {(echo)} 
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                    (C {(describe_file)} {(DQ ($ VSub_Name "$local_mode"))} {(DQ (local))} 
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              spids: [-1 2320]
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              {(DQ ($ VSub_Name "$LOCAL"))}
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                  action: [
                    (C {(printf)} {(DQ ("Hit return to start merge resolution tool (%s): "))} 
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                        (C {(read)} {(ans)})
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                  spids: [-1 2388]
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              spids: [-1 2413]
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            (If
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                (if_arm
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                        (assign_pair
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                    (assign_pair
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              spids: [2429 2436]
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            (If
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                (if_arm
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                    (C {(mv)} {(--)} {(DQ ($ VSub_Name "$BACKUP"))} {(DQ ($ VSub_Name "$MERGED"))})
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              spids: [-1 2514]
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            (If
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              else_action: [(C {(rm)} {(--)} {(DQ ($ VSub_Name "$BACKUP"))})]
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            (C {(git)} {(add)} {(--)} {(DQ ($ VSub_Name "$MERGED"))})
            (C {(cleanup_temp_files)})
            (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
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          spids: [1626]
        )
      spids: [1621 1625]
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    (FuncDef
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            (While
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                (DoGroup
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                        (C {(read)} {(ans)})
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                          spids: [2630 2634 2642 -1]
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                        (case_arm
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                          spids: [2645 2649 2657 -1]
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                      ]
                      spids: [2621 2627 2660]
                    )
                  ]
                  spids: [2600 2663]
                )
            )
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          spids: [2592]
        )
      spids: [2587 2591]
    )
    (FuncDef
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          spids: [2673]
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    (FuncDef
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              pairs: [
                (assign_pair
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                      (CommandSubPart
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                        spids: [2699 2707]
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                  spids: [2698]
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              spids: [2698]
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            (Assignment
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              pairs: [
                (assign_pair
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                  spids: [2710]
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              spids: [2710]
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            (Assignment
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              spids: [2714]
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            (While
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                        (case_arm
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                          action: [
                            (Assignment
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                                (assign_pair
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                                  rhs: 
                                    {
                                      (BracedVarSub
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                                        suffix_op: 
                                          (StringUnary
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                                        spids: [2749 2753]
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                                  spids: [2748]
                                )
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                              spids: [2748]
                            )
                            (C {(show_tool_help)})
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                          spids: [2742 2745 2759 -1]
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                        (case_arm
                          pat_list: [{(--tool-help)}]
                          action: [(C {(show_tool_help)})]
                          spids: [2762 2763 2769 -1]
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                        (case_arm
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                                  action: [
                                    (Assignment
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                                      pairs: [
                                        (assign_pair
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                                          op: Equal
                                          rhs: 
                                            {
                                              (CommandSubPart
                                                command_list: 
                                                  (CommandList
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                                                      (C {(expr)} {(DQ (z) ($ VSub_Number "$1"))} 
                                                        {(Lit_Other ":")} {(SQ <"z-[^=]*=\\(.*\\)">)}
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                                                    ]
                                                  )
                                                left_token: <Left_CommandSub "$(">
                                                spids: [2799 2812]
                                              )
                                            }
                                          spids: [2798]
                                        )
                                      ]
                                      spids: [2798]
                                    )
                                  ]
                                  spids: [2790 2795 2815 -1]
                                )
                                (case_arm
                                  pat_list: [{(1) (Lit_Comma ",") (Lit_Other "*")}]
                                  action: [(C {(usage)})]
                                  spids: [2818 2821 2826 -1]
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                                (case_arm
                                  pat_list: [{(Lit_Other "*")}]
                                  action: [
                                    (Assignment
                                      keyword: Assign_None
                                      pairs: [
                                        (assign_pair
                                          lhs: (LhsName name:merge_tool)
                                          op: Equal
                                          rhs: {(DQ ($ VSub_Number "$2"))}
                                          spids: [2833]
                                        )
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                                      spids: [2833]
                                    )
                                    (C {(shift)})
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                                  spids: [2829 2830 2841 -1]
                                )
                              ]
                              spids: [2779 2787 2844]
                            )
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                          spids: [2772 2776 2847 -1]
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                        (case_arm
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                            (Assignment
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                              pairs: [
                                (assign_pair
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                                  op: Equal
                                  rhs: {(false)}
                                  spids: [2856]
                                )
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                              spids: [2856]
                            )
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                          spids: [2850 2853 2860 -1]
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                        (case_arm
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                            (Assignment
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                              pairs: [
                                (assign_pair
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                                  spids: [2867]
                                )
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                              spids: [2867]
                            )
                          ]
                          spids: [2863 2864 2871 -1]
                        )
                        (case_arm
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                          action: [
                            (Assignment
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                                (assign_pair
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                                  spids: [2879]
                                )
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                              spids: [2879]
                            )
                          ]
                          spids: [2874 2876 2885 -1]
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                        (case_arm
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                          action: [(C {(shift)}) (ControlFlow token:<ControlFlow_Break break>)]
                          spids: [2888 2889 2898 -1]
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                        (case_arm
                          pat_list: [{(-) (Lit_Other "*")}]
                          action: [(C {(usage)})]
                          spids: [2901 2903 2909 -1]
                        )
                        (case_arm
                          pat_list: [{(Lit_Other "*")}]
                          action: [(ControlFlow token:<ControlFlow_Break break>)]
                          spids: [2912 2913 2919 -1]
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                      spids: [2733 2739 2922]
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                    (C {(shift)})
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                  spids: [2730 2928]
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            (C {(git_dir_init)})
            (C {(require_work_tree)})
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                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:merge_tool)
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                            {
                              (CommandSubPart
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                                  (CommandList
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                                left_token: <Left_CommandSub "$(">
                                spids: [2958 2960]
                              )
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                          spids: [2957]
                        )
                      ]
                      spids: [2957]
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                        (if_arm
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                            (AndOr
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                                (Assignment
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                                  pairs: [
                                    (assign_pair
                                      lhs: (LhsName name:merge_tool)
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                                        {
                                          (CommandSubPart
                                            command_list: 
                                              (CommandList
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                                            left_token: <Left_CommandSub "$(">
                                            spids: [2982 2984]
                                          )
                                        }
                                      spids: [2981]
                                    )
                                  ]
                                  spids: [2981]
                                )
                                (C {(exit)})
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                              op_id: Op_DPipe
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                            (Assignment
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                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:guessed_merge_tool)
                                  op: Equal
                                  rhs: {(true)}
                                  spids: [2991]
                                )
                              ]
                              spids: [2991]
                            )
                          ]
                          spids: [-1 2978]
                        )
                      ]
                      spids: [-1 2995]
                    )
                  ]
                  spids: [-1 2950]
                )
              ]
              spids: [-1 2998]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:merge_keep_backup)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (CommandSubPart
                          command_list: 
                            (CommandList
                              children: [
                                (AndOr
                                  children: [
                                    (C {(git)} {(config)} {(--bool)} {(mergetool.keepBackup)})
                                    (C {(echo)} {(true)})
                                  ]
                                  op_id: Op_DPipe
                                )
                              ]
                            )
                          left_token: <Left_CommandSub "$(">
                          spids: [3003 3017]
                        )
                      )
                    }
                  spids: [3001]
                )
              ]
              spids: [3001]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:merge_keep_temporaries)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (CommandSubPart
                          command_list: 
                            (CommandList
                              children: [
                                (AndOr
                                  children: [
                                    (C {(git)} {(config)} {(--bool)} {(mergetool.keepTemporaries)})
                                    (C {(echo)} {(false)})
                                  ]
                                  op_id: Op_DPipe
                                )
                              ]
                            )
                          left_token: <Left_CommandSub "$(">
                          spids: [3023 3037]
                        )
                      )
                    }
                  spids: [3021]
                )
              ]
              spids: [3021]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (AndOr
                      children: [
                        (C {(test)} {($ VSub_Pound "$#")} {(-eq)} {(0)})
                        (C {(test)} {(-e)} {(DQ ($ VSub_Name "$GIT_DIR") (/MERGE_RR))})
                      ]
                      op_id: Op_DAmp
                    )
                  ]
                  action: [
                    (C {(set)} {(--)} 
                      {
                        (CommandSubPart
                          command_list: (CommandList children:[(C {(git)} {(rerere)} {(remaining)})])
                          left_token: <Left_CommandSub "$(">
                          spids: [3071 3077]
                        )
                      }
                    )
                    (If
                      arms: [
                        (if_arm
                          cond: [(C {(test)} {($ VSub_Pound "$#")} {(-eq)} {(0)})]
                          action: [(C {(print_noop_and_exit)})]
                          spids: [-1 3091]
                        )
                      ]
                      spids: [-1 3097]
                    )
                  ]
                  spids: [-1 3064]
                )
              ]
              spids: [-1 3100]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:files)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: 
                          (CommandList
                            children: [
                              (C {(git)} {(-c)} {(core.quotePath) (Lit_Other "=") (false)} {(diff)} 
                                {(--name-only)} {(--diff-filter) (Lit_Other "=") (U)} 
                                {
                                  (BracedVarSub
                                    token: <VSub_Name orderfile>
                                    suffix_op: 
                                      (StringUnary
                                        op_id: VTest_ColonPlus
                                        arg_word: {(DQ ($ VSub_Name "$orderfile"))}
                                      )
                                    spids: [3126 3132]
                                  )
                                } {(--)} {(DQ ($ VSub_At "$@"))}
                              )
                            ]
                          )
                        left_token: <Left_CommandSub "$(">
                        spids: [3105 3139]
                      )
                    }
                  spids: [3104]
                )
              ]
              spids: [3104]
            )
            (C {(cd_to_toplevel)})
            (If
              arms: [
                (if_arm
                  cond: [(C {(test)} {(-z)} {(DQ ($ VSub_Name "$files"))})]
                  action: [(C {(print_noop_and_exit)})]
                  spids: [-1 3158]
                )
              ]
              spids: [-1 3164]
            )
            (C {(printf)} {(DQ ("Merging:") (EscapedLiteralPart token:<Lit_EscapedChar "\\n">))})
            (C {(printf)} {(DQ ("%s") (EscapedLiteralPart token:<Lit_EscapedChar "\\n">))} 
              {(DQ ($ VSub_Name "$files"))}
            )
            (Assignment
              keyword: Assign_None
              pairs: [(assign_pair lhs:(LhsName name:rc) op:Equal rhs:{(0)} spids:[3189])]
              spids: [3189]
            )
            (ForEach
              iter_name: i
              iter_words: [{($ VSub_Name "$files")}]
              do_arg_iter: False
              body: 
                (DoGroup
                  children: [
                    (C {(printf)} {(DQ (EscapedLiteralPart token:<Lit_EscapedChar "\\n">))})
                    (If
                      arms: [
                        (if_arm
                          cond: [
                            (Pipeline
                              children: [(C {(merge_file)} {(DQ ($ VSub_Name "$i"))})]
                              negated: True
                            )
                          ]
                          action: [
                            (Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:rc)
                                  op: Equal
                                  rhs: {(1)}
                                  spids: [3226]
                                )
                              ]
                              spids: [3226]
                            )
                            (AndOr
                              children: [(C {(prompt_after_failed_merge)}) (C {(exit)} {(1)})]
                              op_id: Op_DPipe
                            )
                          ]
                          spids: [-1 3223]
                        )
                      ]
                      spids: [-1 3239]
                    )
                  ]
                  spids: [3202 3242]
                )
              spids: [3198 -1]
            )
            (C {(exit)} {($ VSub_Name "$rc")})
          ]
          spids: [2695]
        )
      spids: [2690 2694]
    )
    (C {(main)} {(DQ ($ VSub_At "$@"))})
  ]
)