Unused error variables in catch block are not allowed (#24487)

packages/cli/src/utils/cleanup.ts

@@ -43,7 +43,7 @@ export function runSyncCleanup() {
   for (const fn of syncCleanupFunctions) {
     try {
       fn();
-    } catch (_) {
+    } catch {
       // Ignore errors during cleanup.
     }
   }
@@ -67,7 +67,7 @@ export async function runExitCleanup() {
   for (const fn of cleanupFunctions) {
     try {
       await fn();
-    } catch (_) {
+    } catch {
       // Ignore errors during cleanup.
     }
   }
@@ -76,14 +76,14 @@ export async function runExitCleanup() {
   // Close persistent browser sessions before disposing config
   try {
     await resetBrowserSession();
-  } catch (_) {
+  } catch {
     // Ignore errors during browser cleanup
   }
 
   if (configForTelemetry) {
     try {
       await configForTelemetry.dispose();
-    } catch (_) {
+    } catch {
       // Ignore errors during disposal
     }
   }
@@ -93,7 +93,7 @@ export async function runExitCleanup() {
   if (configForTelemetry && isTelemetrySdkInitialized()) {
     try {
       await shutdownTelemetry(configForTelemetry);
-    } catch (_) {
+    } catch {
       // Ignore errors during telemetry shutdown
     }
   }

packages/cli/src/utils/gitUtils.ts

@@ -23,9 +23,9 @@ export const isGitHubRepository = (): boolean => {
     const pattern = /github\.com/;
 
     return pattern.test(remotes);
-  } catch (_error) {
+  } catch (error) {
     // If any filesystem error occurs, assume not a git repo
-    debugLogger.debug(`Failed to get git remote:`, _error);
+    debugLogger.debug(`Failed to get git remote:`, error);
     return false;
   }
 };
@@ -85,10 +85,10 @@ export const getLatestGitHubRelease = async (
     }
     // eslint-disable-next-line @typescript-eslint/no-unsafe-return
     return releaseTag;
-  } catch (_error) {
+  } catch (error) {
     debugLogger.debug(
       `Failed to determine latest run-gemini-cli release:`,
-      _error,
+      error,
     );
     throw new Error(
       `Unable to determine the latest run-gemini-cli release on GitHub.`,

packages/cli/src/utils/installationInfo.ts

@@ -110,7 +110,7 @@ export function getInstallationInfo(
               'Installed via Homebrew. Please update with "brew upgrade gemini-cli".',
           };
         }
-      } catch (_error) {
+      } catch {
         // Brew is not installed or gemini-cli is not installed via brew.
         // Continue to the next check.
       }

packages/cli/src/utils/jsonoutput.ts

@@ -42,7 +42,7 @@ export function tryParseJSON(input: string): object | null {
 
     // eslint-disable-next-line @typescript-eslint/no-unsafe-return
     return parsed;
-  } catch (_err) {
+  } catch {
     return null;
   }
 }

packages/cli/src/utils/sandboxUtils.ts

@@ -60,7 +60,7 @@ export async function shouldUseCurrentUserInSandbox(): Promise<boolean> {
         );
         return true;
       }
-    } catch (_err) {
+    } catch {
       // Silently ignore if /etc/os-release is not found or unreadable.
       // The default (false) will be applied in this case.
       debugLogger.warn(

packages/cli/src/utils/sessionUtils.test.ts

@@ -43,7 +43,7 @@ describe('SessionSelector', () => {
     // Clean up test files
     try {
       await fs.rm(tmpDir, { recursive: true, force: true });
-    } catch (_error) {
+    } catch {
       // Ignore cleanup errors
     }
   });

packages/cli/src/utils/userStartupWarnings.ts

@@ -52,7 +52,7 @@ const homeDirectoryCheck: WarningCheck = {
         return 'Warning you are running Gemini CLI in your home directory.\nThis warning can be disabled in /settings';
       }
       return null;
-    } catch (_err: unknown) {
+    } catch {
       return 'Could not verify the current directory due to a file system error.';
     }
   },
@@ -73,7 +73,7 @@ const rootDirectoryCheck: WarningCheck = {
       }
 
       return null;
-    } catch (_err: unknown) {
+    } catch {
       return 'Could not verify the current directory due to a file system error.';
     }
   },