Rename .yaml to .yml

docker-compose and other utilities use the .yml extension.
For consistency rename all .yaml to .yml

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>

src/cmd/moby/build.go

@@ -66,7 +66,7 @@ func containersInitrd(containers []*bytes.Buffer) (*bytes.Buffer, error) {
 }
 
 func build(name string, pull bool, args []string) {
-	conf := "moby.yaml"
+	conf := "moby.yml"
 	if len(args) > 0 {
 		conf = args[0]
 	}

src/cmd/moby/main.go

@@ -19,8 +19,8 @@ func main() {
 
 	buildCmd := flag.NewFlagSet("build", flag.ExitOnError)
 	buildCmd.Usage = func() {
-		fmt.Printf("USAGE: %s build [options] [file.yaml]\n\n", os.Args[0])
-		fmt.Printf("'file.yaml' defaults to 'moby.yaml' if not specified.\n\n")
+		fmt.Printf("USAGE: %s build [options] [file.yml]\n\n", os.Args[0])
+		fmt.Printf("'file.yml' defaults to 'moby.yml' if not specified.\n\n")
 		fmt.Printf("Options:\n")
 		buildCmd.PrintDefaults()
 	}