Merge pull request #2698 from ksss/unsetenv_others-bool

`unsetenv_others` and `close_others` only allows bool.

Author: ksss

core/io.rbs

@@ -2558,10 +2558,10 @@ class IO < Object
   #
   # Raises exceptions that IO.pipe and Kernel.spawn raise.
   #
-  def self.popen: (string | cmd_array cmd, ?string | int mode, ?path: string?, ?external_encoding: String | Encoding | nil, ?internal_encoding: String | Encoding | nil, ?encoding: String | Encoding | nil, ?textmode: boolish, ?binmode: boolish, ?autoclose: boolish, ?mode: String, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: Kernel::redirect_fd, ?out: Kernel::redirect_fd, ?err: Kernel::redirect_fd, ?close_others: boolish, ?chdir: String) -> instance
-                | (Hash[string, string?] env, string | cmd_array cmd, ?string | int mode, ?path: string?, ?external_encoding: String | Encoding | nil, ?internal_encoding: String | Encoding | nil, ?encoding: String | Encoding | nil, ?textmode: boolish, ?binmode: boolish, ?autoclose: boolish, ?mode: String, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: Kernel::redirect_fd, ?out: Kernel::redirect_fd, ?err: Kernel::redirect_fd, ?close_others: boolish, ?chdir: String) -> instance
-                | [X] (string | cmd_array cmd, ?string | int mode, ?path: string?, ?external_encoding: String | Encoding | nil, ?internal_encoding: String | Encoding | nil, ?encoding: String | Encoding | nil, ?textmode: boolish, ?binmode: boolish, ?autoclose: boolish, ?mode: String, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: Kernel::redirect_fd, ?out: Kernel::redirect_fd, ?err: Kernel::redirect_fd, ?close_others: boolish, ?chdir: String) { (instance) -> X } -> X
-                | [X] (Hash[string, string?] env, string | cmd_array cmd, ?string | int mode, ?path: string?, ?external_encoding: String | Encoding | nil, ?internal_encoding: String | Encoding | nil, ?encoding: String | Encoding | nil, ?textmode: boolish, ?binmode: boolish, ?autoclose: boolish, ?mode: String, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: Kernel::redirect_fd, ?out: Kernel::redirect_fd, ?err: Kernel::redirect_fd, ?close_others: boolish, ?chdir: String) { (instance) -> X } -> X
+  def self.popen: (string | cmd_array cmd, ?string | int mode, ?path: string?, ?external_encoding: String | Encoding | nil, ?internal_encoding: String | Encoding | nil, ?encoding: String | Encoding | nil, ?textmode: boolish, ?binmode: boolish, ?autoclose: boolish, ?mode: String, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: Kernel::redirect_fd, ?out: Kernel::redirect_fd, ?err: Kernel::redirect_fd, ?close_others: bool, ?chdir: String) -> instance
+                | (Hash[string, string?] env, string | cmd_array cmd, ?string | int mode, ?path: string?, ?external_encoding: String | Encoding | nil, ?internal_encoding: String | Encoding | nil, ?encoding: String | Encoding | nil, ?textmode: boolish, ?binmode: boolish, ?autoclose: boolish, ?mode: String, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: Kernel::redirect_fd, ?out: Kernel::redirect_fd, ?err: Kernel::redirect_fd, ?close_others: bool, ?chdir: String) -> instance
+                | [X] (string | cmd_array cmd, ?string | int mode, ?path: string?, ?external_encoding: String | Encoding | nil, ?internal_encoding: String | Encoding | nil, ?encoding: String | Encoding | nil, ?textmode: boolish, ?binmode: boolish, ?autoclose: boolish, ?mode: String, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: Kernel::redirect_fd, ?out: Kernel::redirect_fd, ?err: Kernel::redirect_fd, ?close_others: bool, ?chdir: String) { (instance) -> X } -> X
+                | [X] (Hash[string, string?] env, string | cmd_array cmd, ?string | int mode, ?path: string?, ?external_encoding: String | Encoding | nil, ?internal_encoding: String | Encoding | nil, ?encoding: String | Encoding | nil, ?textmode: boolish, ?binmode: boolish, ?autoclose: boolish, ?mode: String, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: Kernel::redirect_fd, ?out: Kernel::redirect_fd, ?err: Kernel::redirect_fd, ?close_others: bool, ?chdir: String) { (instance) -> X } -> X
 
   # The command can be given as:
   #

core/kernel.rbs

@@ -1977,8 +1977,8 @@ module Kernel : BasicObject
   #
   # Raises an exception if the new process could not execute.
   #
-  def self?.exec: (String command, *String args, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: boolish, ?chdir: String) -> bot
-                | (Hash[string, string?] env, String command, *String args, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: boolish, ?chdir: String) -> bot
+  def self?.exec: (String command, *String args, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: bool, ?chdir: String) -> bot
+                | (Hash[string, string?] env, String command, *String args, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: bool, ?chdir: String) -> bot
 
   type redirect_fd = Integer | :in | :out | :err | IO | String | [ String ] | [ String, string | int ] | [ String, string | int, int ] | [ :child, int ] | :close
 
@@ -2082,8 +2082,8 @@ module Kernel : BasicObject
   #
   # Raises an exception if the new process could not execute.
   #
-  def self?.spawn: (String command, *String args, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: boolish, ?chdir: String) -> Integer
-                 | (Hash[string, string?] env, String command, *String args, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: boolish, ?chdir: String) -> Integer
+  def self?.spawn: (String command, *String args, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: bool, ?chdir: String) -> Integer
+                 | (Hash[string, string?] env, String command, *String args, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: bool, ?chdir: String) -> Integer
 
   # <!--
   #   rdoc-file=process.c
@@ -2200,8 +2200,8 @@ module Kernel : BasicObject
   #
   # Raises an exception if the new process could not execute.
   #
-  def self?.system: (String command, *String args, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: boolish, ?chdir: String, ?exception: bool) -> (NilClass | FalseClass | TrueClass)
-                  | (Hash[string, string?] env, String command, *String args, ?unsetenv_others: boolish, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: boolish, ?chdir: String, ?exception: bool) -> (NilClass | FalseClass | TrueClass)
+  def self?.system: (String command, *String args, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: bool, ?chdir: String, ?exception: bool) -> (NilClass | FalseClass | TrueClass)
+                  | (Hash[string, string?] env, String command, *String args, ?unsetenv_others: bool, ?pgroup: true | Integer, ?umask: Integer, ?in: redirect_fd, ?out: redirect_fd, ?err: redirect_fd, ?close_others: bool, ?chdir: String, ?exception: bool) -> (NilClass | FalseClass | TrueClass)
 
   # <!--
   #   rdoc-file=object.c