Non-tar files in sources are copied and not extracted.

src/recipe.cr

@@ -180,6 +180,8 @@ class Package::Recipe
 
 	def download
 		sources.each do |url|
+			next if url.scheme == "file"
+
 			unless File.exists? url.filename
 				status = @context.run @context.sources_directory, "wget", [ url.to_s, "-O", url.filename ]
 
@@ -194,15 +196,22 @@ class Package::Recipe
 		sources.each do |url|
 			basename = url.filename
 
-			status = @context.run(
-				building_directory,
-				"bsdtar", [
-					"xvf",
-					@context.sources_directory + "/" + url.filename
-				]
-			)
+			if basename.match /\.(tar\.(gz|xz|bz2|lzma)|tgz)$/
+				puts ":: Extracting '#{url.filename}'"
+				status = @context.run(
+					building_directory,
+					"bsdtar", [
+						"xf",
+						@context.sources_directory + "/" + url.filename
+					]
+				)
 
-			raise ExtractionError.new self, url unless status.success?
+				raise ExtractionError.new self, url unless status.success?
+			else
+				puts ":: Copying '#{url.filename}'"
+				FileUtils.cp "#{@context.sources_directory}/#{url.filename}",
+					url.filename
+			end
 		end
 	end