[I18N] Makefile + gitignore

(cherry picked from commit 68c744111d02a0cd93716a8f75442ad85f44243b)
(cherry picked from commit 30d7c4a8998baf957b8a156789cc6601d4e87628)
(cherry picked from commit dd055526a84bc253263ac363f866425511221297)
(cherry picked from commit 098e709b0c2ba7a1dfbb5e38004d7ff2d84eaf17)
(cherry picked from commit 2271f5a8d33598ef1272c3c72cb8095e76e4e373)
(cherry picked from commit 06798f3e08)
(cherry picked from commit 31c7dc0dcb5d4005e4704519c3ce93179429434b)
(cherry picked from commit bb80efd62f)
(cherry picked from commit fe6d9f1672)
(cherry picked from commit ab4cae9857)
(cherry picked from commit 3e84897381)

.gitignore

@@ -115,3 +115,6 @@ prime/
 
 # Manpage
 /man
+
+# Generated merged Forgejo+Gitea language files
+/options/locale/locale_*

Makefile

@@ -772,10 +772,14 @@ generate: generate-backend
 generate-backend: $(TAGS_PREREQ) generate-go
 
 .PHONY: generate-go
-generate-go: $(TAGS_PREREQ)
+generate-go: $(TAGS_PREREQ) merge-locales
 	@echo "Running go generate..."
 	@CC= GOOS= GOARCH= $(GO) generate -tags '$(TAGS)' $(GO_PACKAGES)
 
+.PHONY: merge-locales
+merge-locales:
+	$(GO) run build/merge-forgejo-locales.go
+
 .PHONY: security-check
 security-check:
 	go run $(GOVULNCHECK_PACKAGE) -v ./...
@@ -934,13 +938,7 @@ lockfile-check:
 
 .PHONY: update-translations
 update-translations:
-	mkdir -p ./translations
-	cd ./translations && curl -L https://crowdin.com/download/project/gitea.zip > gitea.zip && unzip gitea.zip
-	rm ./translations/gitea.zip
-	$(SED_INPLACE) -e 's/="/=/g' -e 's/"$$//g' ./translations/*.ini
-	$(SED_INPLACE) -e 's/\\"/"/g' ./translations/*.ini
-	mv ./translations/*.ini ./options/locale/
-	rmdir ./translations
+	# noop to detect merge conflicts (potentially needs updating the scripts) and avoid breaking with Gitea
 
 .PHONY: generate-license
 generate-license: