1 files changed, 54 insertions, 0 deletions
diff --git a/chef-helpers/lib/chef-helpers/path_sanity.rb b/chef-helpers/lib/chef-helpers/path_sanity.rb
new file mode 100644
index 0000000000..db414bb5f6
--- /dev/null
+++ b/chef-helpers/lib/chef-helpers/path_sanity.rb
@@ -0,0 +1,54 @@
+#
+# Copyright:: Copyright 2018-2018, Chef Software Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require 'chef-helpers/internal'
+require 'chef-helpers/platform_family'
+
+module ChefHelpers
+  module PathSanity
+    extend self
+
+    def sanitized_path
+      env_path = Internal.env_path.nil? ? "" : Internal.env_path.dup
+      path_separator = PlatformFamily.windows? ? ";" : ":"
+      # ensure the Ruby and Gem bindirs are included
+      # mainly for 'full-stack' Chef installs
+      new_paths = env_path.split(path_separator)
+      [ ruby_bindir, gem_bindir ].compact.each do |path|
+        new_paths = [ path ] + new_paths unless new_paths.include?(path)
+      end
+      sane_paths.each do |path|
+        new_paths << path unless new_paths.include?(path)
+      end
+      new_paths.join(path_separator).scrub
+    end
+
+    class << self
+      def sane_paths
+        PlatformFamily.windows? ? %w{} : %w{/usr/local/sbin /usr/local/bin /usr/sbin /usr/bin /sbin /bin}
+      end
+
+      def ruby_bindir
+        RbConfig::CONFIG["bindir"]
+      end
+
+      def gem_bindir
+        Gem.bindir
+      end
+    end
+  end
+end