Merge pull request #3362 from reitermarkus/system-command

Fix `SystemCommand` without arguments.

Library/Homebrew/cask/lib/hbc/system_command.rb

@@ -1,5 +1,4 @@
 require "open3"
-require "shellwords"
 require "vendor/plist/plist"
 
 require "extend/io"
@@ -38,8 +37,6 @@ module Hbc
     end
 
     def initialize(executable, args: [], sudo: false, input: [], print_stdout: false, print_stderr: true, must_succeed: false, **options)
-      executable, *args = Shellwords.shellescape(executable) if args.empty?
-
       @executable = executable
       @args = args
       @sudo = sudo

Library/Homebrew/compat/hbc.rb

@@ -4,6 +4,7 @@ require "compat/hbc/cache"
 require "compat/hbc/caskroom"
 require "compat/hbc/cli"
 require "compat/hbc/dsl"
+require "compat/hbc/system_command"
 
 module Hbc
   class << self

Library/Homebrew/compat/hbc/system_command.rb

@@ -0,0 +1,18 @@
+require "shellwords"
+
+module SystemCommandCompatibilityLayer
+  def initialize(executable, args: [], **options)
+    if args.empty? && !File.exist?(executable)
+      odeprecated "`system_command` with a shell string", "`system_command` with the `args` parameter"
+      executable, *args = Shellwords.shellsplit(executable)
+    end
+
+    super(executable, args: args, **options)
+  end
+end
+
+module Hbc
+  class SystemCommand
+    prepend SystemCommandCompatibilityLayer
+  end
+end