Reduce string allocations with better alternatives (#7643)

Merge pull request 7643

lib/jekyll/collection.rb

@@ -75,11 +75,13 @@ module Jekyll
     def entries
       return [] unless exists?
 
-      @entries ||=
+      @entries ||= begin
+        collection_dir_slash = "#{collection_dir}/"
         Utils.safe_glob(collection_dir, ["**", "*"], File::FNM_DOTMATCH).map do |entry|
-          entry["#{collection_dir}/"] = ""
+          entry[collection_dir_slash] = ""
           entry
         end
+      end
     end
 
     # Filtered version of the entries in this collection.

lib/jekyll/drops/drop.rb

@@ -65,8 +65,9 @@ module Jekyll
       # and the key matches a method in which case it raises a
       # DropMutationException.
       def []=(key, val)
-        if respond_to?("#{key}=")
-          public_send("#{key}=", val)
+        setter = "#{key}="
+        if respond_to?(setter)
+          public_send(setter, val)
         elsif respond_to?(key.to_s)
           if self.class.mutable?
             mutations[key] = val

lib/jekyll/entry_filter.rb

@@ -91,7 +91,7 @@ module Jekyll
     # Returns true if path matches against any glob pattern.
     # --
     def glob_include?(enum, entry)
-      entry_path = Pathutil.new(site.in_source_dir).join(entry)
+      entry_path = source_path.join(entry)
       enum.any? do |exp|
         # Users who send a Regexp knows what they want to
         # exclude, so let them send a Regexp to exclude files,
@@ -102,7 +102,7 @@ module Jekyll
           entry_path =~ exp
 
         else
-          item = Pathutil.new(site.in_source_dir).join(exp)
+          item = source_path.join(exp)
 
           # If it's a directory they want to exclude, AKA
           # ends with a "/" then we will go on to check and
@@ -123,5 +123,11 @@ module Jekyll
         end
       end
     end
+
+    private
+
+    def source_path
+      @source_path ||= Pathutil.new(site.in_source_dir)
+    end
   end
 end

lib/jekyll/frontmatter_defaults.rb

@@ -111,7 +111,7 @@ module Jekyll
       if scope["path"].to_s.include?("*")
         glob_scope(sanitized_path, rel_scope_path)
       else
-        path_is_subpath?(sanitized_path, strip_collections_dir(rel_scope_path))
+        path_is_subpath?(sanitized_path, strip_collections_dir(scope["path"]))
       end
     end
 
@@ -120,7 +120,7 @@ module Jekyll
       abs_scope_path = site_source.join(rel_scope_path).to_s
 
       glob_cache(abs_scope_path).each do |scope_path|
-        scope_path = Pathname.new(scope_path).relative_path_from(site_source)
+        scope_path = Pathname.new(scope_path).relative_path_from(site_source).to_s
         scope_path = strip_collections_dir(scope_path)
         Jekyll.logger.debug "Globbed Scope Path:", scope_path
         return true if path_is_subpath?(sanitized_path, scope_path)
@@ -143,7 +143,7 @@ module Jekyll
 
     def strip_collections_dir(path)
       collections_dir  = @site.config["collections_dir"]
-      slashed_coll_dir = "#{collections_dir}/"
+      slashed_coll_dir = collections_dir.empty? ? "/" : "#{collections_dir}/"
       return path if collections_dir.empty? || !path.to_s.start_with?(slashed_coll_dir)
 
       path.sub(slashed_coll_dir, "")

lib/jekyll/utils/platforms.rb

@@ -72,7 +72,7 @@ module Jekyll
       def proc_version
         @proc_version ||=
           begin
-            Pathutil.new("/proc/version").read
+            File.read("/proc/version")
           rescue Errno::ENOENT, Errno::EACCES
             nil
           end