Use for range over integers

Available since Go 1.22 (see https://tip.golang.org/ref/spec#For_range).

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

imagebuildah/stage_executor.go

@@ -2117,7 +2117,7 @@ func (s *StageExecutor) generateCacheKey(ctx context.Context, currNode *parser.N
 		if err != nil {
 			return "", fmt.Errorf("getting history of base image %q: %w", s.builder.FromImageID, err)
 		}
-		for i := 0; i < len(diffIDs); i++ {
+		for i := range len(diffIDs) {
 			fmt.Fprintln(hash, diffIDs[i].String())
 		}
 	}

internal/config/convert_test.go

@@ -124,13 +124,13 @@ func checkValue(t *testing.T, value reflect.Value, name string, kind reflect.Kin
 		case reflect.Map:
 			assert.Falsef(t, value.IsZero(), "map field %s not set when it was not already expected to be left unpopulated by conversion", name)
 			keys := value.MapKeys()
-			for i := 0; i < len(keys); i++ {
+			for i := range len(keys) {
 				v := value.MapIndex(keys[i])
 				checkValue(t, v, name+"{"+keys[i].String()+"}", elemType.Kind(), nil, allowedToBeZero)
 			}
 		case reflect.Slice:
 			assert.Falsef(t, value.IsZero(), "slice field %s not set when it was not already expected to be left unpopulated by conversion", name)
-			for i := 0; i < value.Len(); i++ {
+			for i := range value.Len() {
 				v := value.Index(i)
 				checkValue(t, v, name+"["+strconv.Itoa(i)+"]", elemType.Kind(), nil, allowedToBeZero)
 			}

tests/conformance/conformance_test.go

@@ -696,7 +696,7 @@ func buildUsingDocker(ctx context.Context, t *testing.T, client *docker.Client,
 			continue
 		}
 		needToEnsureBase := true
-		for j := 0; j < i; j++ {
+		for j := range i {
 			if stageBase == stages[j].Name {
 				needToEnsureBase = false
 			}
@@ -1314,10 +1314,10 @@ func compareJSON(a, b map[string]any, skip []string) (missKeys, leftKeys, diffKe
 				break
 			}
 			m := make(map[any]struct{})
-			for i := 0; i < len(tmpb); i++ {
+			for i := range len(tmpb) {
 				m[tmpb[i]] = struct{}{}
 			}
-			for i := 0; i < len(tmpa); i++ {
+			for i := range len(tmpa) {
 				if _, ok := m[tmpa[i]]; !ok {
 					diffKeys = append(diffKeys, diffDebug(k, v, vb))
 					isSame = false