Add locale flag back

This is valid again now that we have restored display language support.

Author: code-asher

CHANGELOG.md

@@ -32,12 +32,11 @@ implementation (#4414).
 - Web socket compression has been made the default (when supported). This means
   the `--enable` flag will no longer take `permessage-deflate` as an option.
 - Extra extension directories have been removed. The `--extra-extensions-dir`
-  and `--extra-builtin-extensions-dir` will no longer be accepted.
-- The `--install-source` and `--locale` flags have been removed.
+  and `--extra-builtin-extensions-dir` flags will no longer be accepted.
+- The `--install-source` flag has been removed.
 - The static endpoint can no longer reach outside code-server. However the
   vscode-remote-resource endpoint still can.
-- OpenVSX has been made the default marketplace. However this means web
-  extensions like Vim may be broken.
+- OpenVSX has been made the default marketplace.
 - The last opened folder/workspace is no longer stored separately in the
   settings file (we rely on the already-existing query object instead).
 

src/node/cli.ts

@@ -57,6 +57,7 @@ export interface UserProvidedArgs {
   enable?: string[]
   help?: boolean
   host?: string
+  locale?: string
   port?: number
   json?: boolean
   log?: LogLevel
@@ -163,6 +164,7 @@ const options: Options<Required<UserProvidedArgs>> = {
   enable: { type: "string[]" },
   help: { type: "boolean", short: "h", description: "Show this output." },
   json: { type: "boolean" },
+  locale: { type: "string" }, // The preferred way to set the locale is via the UI.
   open: { type: "boolean", description: "Open in browser on startup. Does not work remotely." },
 
   "bind-addr": {

test/unit/node/cli.test.ts

@@ -63,6 +63,8 @@ describe("parser", () => {
           "--verbose",
           "2",
 
+          ["--locale", "ja"],
+
           ["--log", "error"],
 
           "--help",
@@ -103,6 +105,7 @@ describe("parser", () => {
       help: true,
       host: "0.0.0.0",
       json: true,
+      locale: "ja",
       log: "error",
       open: true,
       port: 8081,