1 files changed, 22 insertions, 24 deletions

diff --git a/lib/chef/chef_fs/config.rb b/lib/chef/chef_fs/config.rb
index 6666a3deee..40cbb36530 100644
--- a/lib/chef/chef_fs/config.rb
+++ b/lib/chef/chef_fs/config.rb
@@ -111,7 +111,7 @@ class Chef
       #
       def initialize(chef_config = Chef::Config, cwd = Dir.pwd, options = {}, ui = nil)
         @chef_config = chef_config
-        @cwd = cwd
+        @cwd = File.expand_path(cwd)
         @cookbook_version = options[:cookbook_version]
 
         if @chef_config[:repo_mode] == 'everything' && is_hosted? && !ui.nil?
@@ -166,34 +166,37 @@ class Chef
       # server_path('/home/jkeiser/chef_repo/cookbooks/blah') == '/cookbooks/blah'
       # server_path('/home/*/chef_repo/cookbooks/blah') == nil
       #
-      # If there are multiple paths (cookbooks, roles, data bags, etc. can all
-      # have separate paths), and cwd+the path reaches into one of them, we will
-      # return a path relative to that.  Otherwise we will return a path to
-      # chef_repo.
+      # If there are multiple different, manually specified paths to object locations
+      # (cookbooks, roles, data bags, etc. can all have separate paths), and cwd+the
+      # path reaches into one of them, we will return a path relative to the first
+      # one to match it.  Otherwise we expect the path provided to be to the chef
+      # repo path itself.  Paths that are not available on the server are not supported.
       #
       # Globs are allowed as well, but globs outside server paths are NOT
       # (presently) supported.  See above examples.  TODO support that.
       #
       # If the path does not reach into ANY specified directory, nil is returned.
       def server_path(file_path)
-        pwd = File.expand_path(Dir.pwd)
-        absolute_pwd = Chef::ChefFS::PathUtils.realest_path(File.expand_path(file_path, pwd))
+        target_path = Chef::ChefFS::PathUtils.realest_path(file_path, @cwd)
 
         # Check all object paths (cookbooks_dir, data_bags_dir, etc.)
+        # These are either manually specified by the user or autogenerated relative
+        # to chef_repo_path.
         object_paths.each_pair do |name, paths|
           paths.each do |path|
-            realest_path = Chef::ChefFS::PathUtils.realest_path(path)
-            if PathUtils.descendant_of?(absolute_pwd, realest_path)
-              relative_path = Chef::ChefFS::PathUtils::relative_to(absolute_pwd, realest_path)
-              return relative_path == '.' ? "/#{name}" : "/#{name}/#{relative_path}"
+            object_abs_path = Chef::ChefFS::PathUtils.realest_path(path, @cwd)
+            if relative_path = PathUtils.descendant_path(target_path, object_abs_path)
+              return Chef::ChefFS::PathUtils.join("/#{name}", relative_path)
             end
           end
         end
 
         # Check chef_repo_path
         Array(@chef_config[:chef_repo_path]).flatten.each do |chef_repo_path|
-          realest_chef_repo_path = Chef::ChefFS::PathUtils.realest_path(chef_repo_path)
-          if absolute_pwd == realest_chef_repo_path
+          # We're using realest_path here but we really don't need to - we can just expand the
+          # path and use realpath because a repo_path if provided *must* exist.
+          realest_chef_repo_path = Chef::ChefFS::PathUtils.realest_path(chef_repo_path, @cwd)
+          if Chef::ChefFS::PathUtils.os_path_eq?(target_path, realest_chef_repo_path)
             return '/'
           end
         end
@@ -201,15 +204,10 @@ class Chef
         nil
       end
 
-      # The current directory, relative to server root
+      # The current directory, relative to server root.  This is a case-sensitive server path.
+      # It only exists if the current directory is a child of one of the recognized object_paths below.
       def base_path
-        @base_path ||= begin
-          if @chef_config[:chef_repo_path]
-            server_path(File.expand_path(@cwd))
-          else
-            nil
-          end
-        end
+        @base_path ||= server_path(@cwd)
       end
 
       # Print the given server path, relative to the current directory
@@ -217,10 +215,10 @@ class Chef
         server_path = entry.path
         if base_path && server_path[0,base_path.length] == base_path
           if server_path == base_path
-            return "."
-          elsif server_path[base_path.length,1] == "/"
+            return '.'
+          elsif server_path[base_path.length,1] == '/'
             return server_path[base_path.length + 1, server_path.length - base_path.length - 1]
-          elsif base_path == "/" && server_path[0,1] == "/"
+          elsif base_path == '/' && server_path[0,1] == '/'
             return server_path[1, server_path.length - 1]
           end
         end