fix: --completion outputs wrong script name when run via Bun (#1826)

src/handler.ts

@@ -30,7 +30,7 @@ export async function handler (args: any, writeStreams: WriteStreams, jobs: Job[
     let parser: Parser;
 
     if (argv.completion) {
-        yargs(process.argv.slice(2)).showCompletionScript();
+        yargs(process.argv.slice(2)).scriptName("gitlab-ci-local").showCompletionScript();
         return [];
     }
 

tests/test-cases/completion/integration.test.ts

@@ -0,0 +1,12 @@
+import {execSync} from "child_process";
+
+// Runs the CLI as a subprocess to reliably capture console.log output,
+// which Bun implements natively and cannot be intercepted with vi.spyOn.
+test("--completion outputs gitlab-ci-local as script name", () => {
+    const output = execSync("bun src/index.ts --completion", {encoding: "utf8", stdio: ["pipe", "pipe", "pipe"]});
+
+    expect(output).toContain("###-begin-gitlab-ci-local-completions-###");
+    expect(output).toContain("###-end-gitlab-ci-local-completions-###");
+    expect(output).toContain("gitlab-ci-local --get-yargs-completions");
+    expect(output).not.toMatch(/###-begin-(?!gitlab-ci-local)/);
+});

vitest.config.ts

@@ -7,7 +7,10 @@ export default defineConfig({
                 extends: true,
                 test: {
                     name: "forks",
-                    include: ["tests/test-cases/argv-cwd/**/*.test.ts"],
+                    include: [
+                        "tests/test-cases/argv-cwd/**/*.test.ts",
+                        "tests/test-cases/completion/**/*.test.ts",
+                    ],
                     pool: "forks",
                 },
             },
@@ -16,7 +19,7 @@ export default defineConfig({
                 test: {
                     name: "threads",
                     include: ["tests/**/*.test.ts"],
-                    exclude: [...configDefaults.exclude, "**/.gitlab-ci-local*/**", "tests/test-cases/argv-cwd/**/*.test.ts"],
+                    exclude: [...configDefaults.exclude, "**/.gitlab-ci-local*/**", "tests/test-cases/argv-cwd/**/*.test.ts", "tests/test-cases/completion/**/*.test.ts"],
                     pool: "threads",
                 },
             },