Make language mappings deterministic

internal/txlib/pull.go

@@ -169,13 +169,11 @@ func (task *ResourcePullTask) Run(send func(string), abort func()) {
 	}
 	sendMessage("Getting info", false)
 
-	localToRemoteLanguageMappings := makeLocalToRemoteLanguageMappings(
+	remoteToLocalLanguageMappings := makeRemoteToLocalLanguageMappings(
 		*cfg,
 		*cfgResource,
 	)
-	remoteToLocalLanguageMappings := makeRemoteToLocalLanguageMappings(
-		localToRemoteLanguageMappings,
-	)
+	localToRemoteLanguageMappings := reverseMap(remoteToLocalLanguageMappings)
 
 	var err error
 	var resource *jsonapi.Resource

internal/txlib/push.go

@@ -493,9 +493,11 @@ func (task *ResourcePushTask) Run(send func(string), abort func()) {
 		}
 	}
 	if args.Translation { // -t flag is set
-		localToRemoteLanguageMappings := makeLocalToRemoteLanguageMappings(
-			*cfg,
-			*cfgResource,
+		localToRemoteLanguageMappings := reverseMap(
+			makeRemoteToLocalLanguageMappings(
+				*cfg,
+				*cfgResource,
+			),
 		)
 		overrides := cfgResource.Overrides
 

internal/txlib/utils.go

@@ -124,7 +124,7 @@ func stringSliceContains(haystack []string, needle string) bool {
 	return false
 }
 
-func makeLocalToRemoteLanguageMappings(
+func makeRemoteToLocalLanguageMappings(
 	cfg config.Config, cfgResource config.Resource,
 ) map[string]string {
 	// In the configuration, the language mappings are "remote code -> local
@@ -133,24 +133,22 @@ func makeLocalToRemoteLanguageMappings(
 	// reverse the maps
 
 	result := make(map[string]string)
-	for key, value := range cfg.Local.LanguageMappings {
-		result[value] = key
+	for transifexLanguageCode, localLanguageCode := range cfg.Local.LanguageMappings {
+		result[transifexLanguageCode] = localLanguageCode
 	}
-	for key, value := range cfgResource.LanguageMappings {
+	for transifexLanguageCode, localLanguageCode := range cfgResource.LanguageMappings {
 		// Resource language mappings overwrite "global" language mappings
-		result[value] = key
+		result[transifexLanguageCode] = localLanguageCode
 	}
 	return result
 }
 
-func makeRemoteToLocalLanguageMappings(
-	localToRemoteLanguageMappings map[string]string,
-) map[string]string {
-	result := make(map[string]string)
-	for key, value := range localToRemoteLanguageMappings {
-		result[value] = key
+func reverseMap(src map[string]string) map[string]string {
+	dst := make(map[string]string)
+	for key, value := range src {
+		dst[value] = key
 	}
-	return result
+	return dst
 }
 
 /*