From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/lib/rake/alt_system.rb | 110 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 jni/ruby/lib/rake/alt_system.rb

(limited to 'jni/ruby/lib/rake/alt_system.rb')

diff --git a/jni/ruby/lib/rake/alt_system.rb b/jni/ruby/lib/rake/alt_system.rb
new file mode 100644
index 0000000..aa7b779
--- /dev/null
+++ b/jni/ruby/lib/rake/alt_system.rb
@@ -0,0 +1,110 @@
+#
+# Copyright (c) 2008 James M. Lawrence
+#
+# Permission is hereby granted, free of charge, to any person
+# obtaining a copy of this software and associated documentation files
+# (the "Software"), to deal in the Software without restriction,
+# including without limitation the rights to use, copy, modify, merge,
+# publish, distribute, sublicense, and/or sell copies of the Software,
+# and to permit persons to whom the Software is furnished to do so,
+# subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+
+require 'rbconfig'
+
+##
+# Alternate implementations of system() and backticks `` on Windows
+# for ruby-1.8 and earlier.
+#--
+# TODO: Remove in Rake 11
+
+module Rake::AltSystem # :nodoc: all
+  WINDOWS = RbConfig::CONFIG["host_os"] =~
+    %r!(msdos|mswin|djgpp|mingw|[Ww]indows)!
+
+  class << self
+    def define_module_function(name, &block)
+      define_method(name, &block)
+      module_function(name)
+    end
+  end
+
+  if WINDOWS && RUBY_VERSION < "1.9.0"
+    RUNNABLE_EXTS = %w[com exe bat cmd]
+    RUNNABLE_PATTERN = %r!\.(#{RUNNABLE_EXTS.join('|')})\Z!i
+
+    define_module_function :kernel_system, &Kernel.method(:system)
+    define_module_function :kernel_backticks, &Kernel.method(:'`')
+
+    module_function
+
+    def repair_command(cmd)
+      "call " + (
+        if cmd =~ %r!\A\s*\".*?\"!
+          # already quoted
+          cmd
+        elsif match = cmd.match(%r!\A\s*(\S+)!)
+          if match[1] =~ %r!/!
+            # avoid x/y.bat interpretation as x with option /y
+            %Q!"#{match[1]}"! + match.post_match
+          else
+            # a shell command will fail if quoted
+            cmd
+          end
+        else
+          # empty or whitespace
+          cmd
+        end
+      )
+    end
+
+    def find_runnable(file)
+      if file =~ RUNNABLE_PATTERN
+        file
+      else
+        RUNNABLE_EXTS.each { |ext|
+          test = "#{file}.#{ext}"
+          return test if File.exist?(test)
+        }
+        nil
+      end
+    end
+
+    def system(cmd, *args)
+      repaired = (
+        if args.empty?
+          [repair_command(cmd)]
+        elsif runnable = find_runnable(cmd)
+          [File.expand_path(runnable), *args]
+        else
+          # non-existent file
+          [cmd, *args]
+        end
+      )
+      kernel_system(*repaired)
+    end
+
+    def backticks(cmd)
+      kernel_backticks(repair_command(cmd))
+    end
+
+    define_module_function :'`', &method(:backticks)
+  else
+    # Non-Windows or ruby-1.9+: same as Kernel versions
+    define_module_function :system, &Kernel.method(:system)
+    define_module_function :backticks, &Kernel.method(:'`')
+    define_module_function :'`', &Kernel.method(:'`')
+  end
+end
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