refactor: rename getTags to getImages

main.go

@@ -37,7 +37,7 @@ func main() {
 				log.Fatalf("Could not parse Dockerfile: %s\n", err)
 			}
 
-			images := getTags(parsed, unknownMarker)
+			images := getImages(parsed, unknownMarker)
 
 			val, err := json.Marshal(images)
 
@@ -82,8 +82,8 @@ func getInput(args []string) (*os.File, error) {
 	return os.Stdin, nil
 }
 
-// getTags returns the `Image`s used in the given sets of Dockerfile commands.
-func getTags(commands []dockerfile.Command, unknownMarker string) []Image {
+// getImages returns the `Image`s used in the given sets of Dockerfile commands.
+func getImages(commands []dockerfile.Command, unknownMarker string) []Image {
 	images := []Image{}
 
 	for _, cmd := range commands {

main_test.go

@@ -23,7 +23,7 @@ func TestParsing(t *testing.T) {
 		t.Errorf("Could not open Dockerfile.1: %s", err)
 	}
 
-	tags := getTags(commands, " * ")
+	tags := getImages(commands, " * ")
 
 	assert.Equal(t, expected, tags)
 }
@@ -46,7 +46,7 @@ func TestQuery(t *testing.T) {
 		t.Errorf("Could not open Dockerfile.1: %s", err)
 	}
 
-	tags := getTags(commands, "?")
+	tags := getImages(commands, "?")
 
 	for _, c := range cases {
 		result, err := getSingleTag(tags, c.query)