Fix issues in the example configs (#14601)

For some reason, it had multiple syntax errors and other issues, like
undefined options. Would be great to add a test for sourcing all example
configs, but I don't know rust

See also
https://github.com/nushell/nushell/pull/14249#discussion_r1887192408

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CC @NotTheDr01ds

crates/nu-utils/src/default_files/default_env.nu

@@ -3,7 +3,7 @@
 #
 # version = "0.100.1"
 
-$env.PROMPT_COMMAND = $env.PROMPT_COMMAND? | default {|| 
+$env.PROMPT_COMMAND = $env.PROMPT_COMMAND? | default {||
     let dir = match (do -i { $env.PWD | path relative-to $nu.home-path }) {
         null => $env.PWD
         '' => '~'
@@ -17,7 +17,7 @@ $env.PROMPT_COMMAND = $env.PROMPT_COMMAND? | default {||
     $path_segment | str replace --all (char path_sep) $"($separator_color)(char path_sep)($path_color)"
 }
 
-$env.PROMPT_COMMAND_RIGHT = $env.PROMPT_COMMAND_RIGHT? | default {|| 
+$env.PROMPT_COMMAND_RIGHT = $env.PROMPT_COMMAND_RIGHT? | default {||
     # create a right prompt in magenta with green separators and am/pm underlined
     let time_segment = ([
         (ansi reset)

crates/nu-utils/src/default_files/sample_config.nu

@@ -1,6 +1,9 @@
-# Nushell Config File
+# Nushell Sample Config File
 #
-# version = "0.99.2"
+# Warning: This file is intended for documentation purposes only and
+# is not intended to be used as an actual configuration file as-is.
+#
+# version = "0.100.1"
 #
 # A `config.nu` file is used to override default Nushell settings,
 # define (or import) custom commands, or run any other startup tasks.
@@ -86,14 +89,14 @@ $env.config.recursion_limit = 50
 # ---------------------------
 
 # edit_mode (string) "vi" or "emacs" sets the editing behavior of Reedline
-edit_mode: "emacs"
+$env.config.edit_mode = "emacs"
 
 # Command that will be used to edit the current line buffer with Ctrl+O.
 # If unset, uses $env.VISUAL and then $env.EDITOR
 #
 # Tip: Set to "editor" to use the default editor on Unix platforms using
 #      the Alternatives system or equivalent
-buffer_editor: "editor"
+$env.config.buffer_editor = "editor"
 
 # cursor_shape_* (string)
 # -----------------------
@@ -120,7 +123,7 @@ $env.config.completions.algorithm = "prefix"
 $env.config.completions.sort = "smart"
 
 # case_sensitive (bool): true/false to enable/disable case-sensitive completions
-$env.config.completions.case_sensitive = false 
+$env.config.completions.case_sensitive = false
 
 # quick (bool):
 # true: auto-select the completion when only one remains
@@ -132,7 +135,7 @@ $env.config.completions.quick = true
 # false: Do not partially complete
 # Partial Example: If a directory contains only files named "forage", "food", and "forest",
 #                  then typing "ls " and pressing <Tab> will partially complete the first two
-#                  letters, "f" and "o". If the directory also includes a file named "faster", 
+#                  letters, "f" and "o". If the directory also includes a file named "faster",
 #                  then only "f" would be partially completed.
 $env.config.completions.partial = true
 
@@ -145,7 +148,7 @@ $env.config.completions.use_ls_colors = true
 # completions.external.*: Settings related to completing external commands
 # and additional completers
 
-# external.exnable (bool)
+# external.enable (bool)
 # true: search for external commands on the Path
 # false: disabling might be desired for performance if your path includes
 #        directories on a slower filesystem
@@ -156,16 +159,16 @@ $env.config.completions.external.enable = true
 $env.config.completions.external.max_results = 50
 
 # completer (closure with a |spans| parameter): A command to call for *argument* completions
-# to commands (internal or external). 
+# to commands (internal or external).
 #
 # The |spans| parameter is a list of strings representing the tokens (spans)
-# on the current commandline. It is always a list of at least two strings - The 
+# on the current commandline. It is always a list of at least two strings - The
 # command being completed plus the first argument of that command ("" if no argument has
 # been partially typed yet), and additional strings for additional arguments beyond
 # the first.
 #
 # This setting is usually set to a closure which will call a third-party completion system, such
-# as Carapace. 
+# as Carapace.
 #
 # Note: The following is an over-simplified completer command that will call Carapace if it
 # is installed. Please use the official Carapace completer, which can be generated automatically
@@ -206,8 +209,8 @@ $env.config.shell_integration.osc9_9 = false
 # osc8 (bool):
 # When true, the `ls` command will generate clickable links that can be launched in another
 # application by the terminal.
-# Note: This setting replaces the now deprecated `ls.show_clickable_links`
+# Note: This setting replaces the now deprecated `ls.clickable_links`
-$env.config.shell.integration.osc8: true
+$env.config.shell_integration.osc8 = true
 
 # Deprecated
 # $env.config.ls.clickable_links = true
@@ -229,13 +232,13 @@ $env.config.shell_integration.osc633 = true
 
 # reset_application_mode (bool):
 # true/false to enable/disable sending ESC[?1l to the terminal
-# This sequence is commonly used to keep cursor key modes in sync between the local 
+# This sequence is commonly used to keep cursor key modes in sync between the local
 # terminal and a remove SSH host.
 $env.config.shell_integration.reset_application_mode = true
 
 # bracketed_paste (bool):
 # true/false to enable/disable the bracketed-paste feature, which allows multiple-lines
-# to be pasted into Nushell at once without immediate execution. When disabled, 
+# to be pasted into Nushell at once without immediate execution. When disabled,
 # each pasted line is executed as it is received.
 # Note that bracketed paste is not currently supported on the Windows version of
 # Nushell.
@@ -266,7 +269,7 @@ $env.config.display_errors.exit_code = false
 
 # display_errors.termination_signal (bool):
 # true/false to enable/disable displaying a Nushell error when a child process is
-# terminated via any signal 
+# terminated via any signal
 $env.config.display_errors.termination_signal = true
 
 # -------------
@@ -282,7 +285,7 @@ $env.config.display_errors.termination_signal = true
 $env.config.footer_mode = 25
 
 # table.*
-# table_mode (string): 
+# table_mode (string):
 # One of: "default", "basic", "compact", "compact_double", "heavy", "light", "none", "reinforced",
 # "rounded", "thin", "with_love", "psql", "markdown", "dots", "restructured", "ascii_rounded",
 # or "basic_compact"
@@ -344,7 +347,7 @@ $env.config.table.footer_inheritance = false
 # Datetime Display
 # ----------------
 # datetime_format.* (string or nothing):
-# Format strings that will be used for datetime values. 
+# Format strings that will be used for datetime values.
 # When set to `null`, the default behavior is to "humanize" the value (e.g., "now" or "a day ago")
 
 # datetime_format.table (string or nothing):
@@ -389,7 +392,7 @@ $env.config.float_precision = 2
 # ls.use_ls_colors (bool):
 # true: The `ls` command will apply the $env.LS_COLORS standard to filenames
 # false: Filenames in the `ls` table will use the color_config for strings
-$env.config.ls = true
+$env.config.ls.use_ls_colors = true
 
 # Hooks
 # -----
@@ -402,12 +405,19 @@ $env.config.ls = true
 # WARNING: A malformed display_output hook can suppress all Nushell output to the terminal.
 #          It can be reset by assigning an empty string as below:
 
-$env.config.hooks.pre_prompt = []          # Before each prompt is displayed
+# Before each prompt is displayed
-$env.config.hooks.pre_execution = []       # After <enter> is pressed; before the commandline
+$env.config.hooks.pre_prompt = []
-                                           # is executed
+# After <enter> is pressed; before the commandline is executed
-$env.config.hooks.env_change = []          # When a specified environment variable changes
+$env.config.hooks.pre_execution = []
-$env.config.hooks.display_output = ""      # Before Nushell output is displayed in the terminal
+# When a specified environment variable changes
-$env.config.hooks.command_not_found = []   # When a command is not found
+$env.config.hooks.env_change = {
+    # run if the PWD environment is different since the last repl input
+    PWD: [{|before, after| null }]
+}
+# Before Nushell output is displayed in the terminal
+$env.config.hooks.display_output = "if (term size).columns >= 100 { table -e } else { table }"
+# When a command is not found
+$env.config.hooks.command_not_found = []
 
 # -----------
 # Keybindings
@@ -462,7 +472,7 @@ $env.config.menus ++= [
         type: {
             layout: description
             columns: 4
-            col_width: 20     # Optional value. If missing all the screen width is used to calculate column width
+            col_width: 20 # Optional value. If missing all the screen width is used to calculate column width
             col_padding: 2
             selection_rows: 4
             description_rows: 10
@@ -480,27 +490,22 @@ $env.config.menus ++= [
 # Plugin behavior
 # ---------------
 # Per-plugin configuration. See https://www.nushell.sh/contributor-book/plugins.html#configuration.
-plugins: {}
 $env.config.plugins
+
+# Configuration for plugin garbage collection
 $env.config.plugin_gc
 $env.config.plugin_gc.default
+# true to enable stopping of inactive plugins
 $env.config.plugin_gc.default.enabled
+# How long to wait after a plugin is inactive before stopping it
 $env.config.plugin_gc.default.stop_after
-$env.config.plugin_gc.plugins
+$env.config.plugin_gc.plugins = {
-    plugin_gc: {
+  # Alternate configuration for specific plugins, by name, for example:
-        # Configuration for plugin garbage collection
+  #
-        default: {
+  # gstat: {
-            enabled: true # true to enable stopping of inactive plugins
+  #     enabled: false
-            stop_after: 10sec # how long to wait after a plugin is inactive to stop it
+  # }
-        }
+}
-        plugins: {
-            # alternate configuration for specific plugins, by name, for example:
-            #
-            # gstat: {
-            #     enabled: false
-            # }
-        }
-    }
 
 
 # -------------------------------------
@@ -532,12 +537,12 @@ use std/config dark-theme
 $env.config.color_config = (dark-theme)
 
 # Or, individual color settings can be configured or overridden.
-# 
+#
 # Values can be one of:
 # - A color name such as "red" (see `ansi -l` for a list)
 # - A color RGB value in the form of "#C4C9C6"
 # - A record including:
-#   * `fg` (color) 
+#   * `fg` (color)
 #   * `bg` (color)
 #   * `attr`: a string with one or more of:
 #     - 'n': normal
@@ -547,7 +552,7 @@ $env.config.color_config = (dark-theme)
 #     - 'i': italics
 #     - 'd': dimmed
 
-# foreground, background, and cursor colors are not handled by Nushell, but can be used by 
+# foreground, background, and cursor colors are not handled by Nushell, but can be used by
 # custom-commands such as `theme` from the nu_scripts repository. That `theme` command can be
 # used to set the terminal foreground, background, and cursor colors.
 $env.config.color_config.foreground
@@ -557,7 +562,7 @@ $env.config.color_config.cursor
 # -------------------------------------------------------------------------------------------------
 # shape_: Applies syntax highlighting based on the "shape" (inferred or declared type) of an
 # element on the commandline. Nushell's parser can identify shapes based on many criteria, often
-# as the commandline is being typed. 
+# as the commandline is being typed.
 
 # shape_string: Can appear as a single-or-quoted value, a bareword string, the key of a record,
 # an argument which has been declared as a string, and other parsed strings.
@@ -733,7 +738,7 @@ $env.config.color_config.custom      # Custom value (often from a plugin)
 $env.config.color_config.nothing     # Not used, since a null is not displayed
 $env.config.color_config.date        # datetime value
 $env.config.color_config.filesize    # filesize value
-$env.config.color_config.list        # Not currently used. Lists are displayed using their 
+$env.config.color_config.list        # Not currently used. Lists are displayed using their
                                      # members' styles
 $env.config.color_config.record      # Not currently used. Records are displayed using their
                                      # member's styles
@@ -828,7 +833,7 @@ $env.PROMPT_INDICATOR_VI_INSERT = ": "
 # When a commandline extends across multiple lines:
 $env.PROMPT_MULTILINE_INDICATOR = "::: "
 
-# TRANSIENT_PROMPT_* 
+# TRANSIENT_PROMPT_*
 # ------------------
 # Allows a different prompt to be shown after a command has been executed.  This
 # can be useful if you have a 2-line prompt. Instead of each previously-entered
@@ -855,10 +860,10 @@ $env.TRANSIENT_PROMPT_COMMAND_RIGHT = ""
 #
 # Note: The OS Path variable is automatically converted before env.nu loads, so it can
 # be treated a list in this file.
-# 
+#
 # Note: Environment variables are not case-sensitive, so the following will work
 # for both Windows and Unix-like platforms.
-# 
+#
 # By default, the internal conversion looks something like the following, so there
 # is no need to add this in your actual env.nu:
 $env.ENV_CONVERSIONS = {
@@ -912,12 +917,12 @@ const NU_PLUGIN_DIRS = $NU_PLUGIN_DIRS ++ [($nu.default-config-dir | path join '
 
 # Appending to the OS path is a common configuration task.
 # Because of the previous ENV_CONVERSIONS (performed internally
-# before your config.nu loads), the path variable is a list that can 
+# before your config.nu loads), the path variable is a list that can
 # be appended to using, for example:
-$env.path ++= "~/.local/bin"
+$env.PATH ++= [ "~/.local/bin" ]
 
 # Or prepend using
-$env.path = "~/.local/bin" ++ $env.path
+$env.PATH = [ "~/.local/bin" ] ++ $env.PATH
 
 # The `path add` function from the Standard Library also provides
 # a convenience method for prepending to the path:

crates/nu-utils/src/default_files/sample_env.nu

@@ -1,9 +1,11 @@
 # Sample Nushell Environment Config File
 #
+# version = "0.100.1"
+#
 # Previously, environment variables were typically configured in `env.nu`.
 # In general, most configuration can and should be performed in `config.nu`
 # or one of the autoload directories.
 
 # To pretty-print the in-shell documentation for Nushell's various configuration
 # settings, you can run:
-config nu --sample | nu-highlight | less -R
+config nu --sample | nu-highlight | less -R

crates/nu-utils/src/default_files/sample_login.nu

@@ -1,4 +1,7 @@
 # Example Nushell Loginshell Config File
+#
+# version = "0.100.1"
+#
 # - has to be as login.nu in the default config directory
 # - will be sourced after config.nu and env.nu in case of nushell started as login shell
 

crates/nu-utils/src/default_files/scaffold_config.nu

@@ -1,11 +1,14 @@
 # config.nu
 #
+# Installed by:
+# version = "0.100.1"
+#
 # This file is used to override default Nushell settings, define
 # (or import) custom commands, or run any other startup tasks.
 # See https://www.nushell.sh/book/configuration.html
 #
 # This file is loaded after env.nu and before login.nu
-# 
+#
 # You can open this file in your default editor using:
 # config nu
 #

crates/nu-utils/src/default_files/scaffold_env.nu

@@ -1,5 +1,8 @@
 # env.nu
 #
+# Installed by:
+# version = "0.100.1"
+#
 # Previously, environment variables were typically configured in `env.nu`.
 # In general, most configuration can and should be performed in `config.nu`
 # or one of the autoload directories.