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

packages/cli/src/ui/commands/chatCommand.ts

@@ -65,7 +65,7 @@ const getSavedChatTags = async (
     );
 
     return chatDetails;
-  } catch (_err) {
+  } catch {
     return [];
   }
 };

packages/cli/src/ui/commands/directoryCommand.tsx

@@ -198,7 +198,7 @@ export const directoryCommand: SlashCommand = {
               alreadyAdded.push(trimmedPath);
               continue;
             }
-          } catch (_e) {
+          } catch {
             // Path might not exist or be inaccessible.
             // We'll let batchAddDirectories handle it later.
           }

packages/cli/src/ui/commands/extensionsCommand.ts

@@ -321,7 +321,7 @@ async function exploreAction(
     });
     try {
       await open(extensionsUrl);
-    } catch (_error) {
+    } catch {
       context.ui.addItem({
         type: MessageType.ERROR,
         text: `Failed to open browser. Check out the extensions gallery at ${extensionsUrl}`,

packages/cli/src/ui/commands/restoreCommand.ts

@@ -151,7 +151,7 @@ async function completion(
     const files = await fs.readdir(checkpointDir);
     const jsonFiles = files.filter((file) => file.endsWith('.json'));
     return getTruncatedCheckpointNames(jsonFiles);
-  } catch (_err) {
+  } catch {
     return [];
   }
 }

packages/cli/src/ui/commands/setupGithubCommand.ts

@@ -76,7 +76,7 @@ export async function updateGitignore(gitRepoRoot: string): Promise<void> {
     let fileExists = true;
     try {
       existingContent = await fs.promises.readFile(gitignorePath, 'utf8');
-    } catch (_error) {
+    } catch {
       // File doesn't exist
       fileExists = false;
     }
@@ -168,8 +168,8 @@ async function downloadFiles({
 async function createDirectory(dirPath: string): Promise<void> {
   try {
     await fs.promises.mkdir(dirPath, { recursive: true });
-  } catch (_error) {
-    debugLogger.debug(`Failed to create ${dirPath} directory:`, _error);
+  } catch (error) {
+    debugLogger.debug(`Failed to create ${dirPath} directory:`, error);
     throw new Error(
       `Unable to create ${dirPath} directory. Do you have file permissions in the current directory?`,
     );
@@ -222,8 +222,8 @@ export const setupGithubCommand: SlashCommand = {
     let gitRepoRoot: string;
     try {
       gitRepoRoot = getGitRepoRoot();
-    } catch (_error) {
-      debugLogger.debug(`Failed to get git repo root:`, _error);
+    } catch (error) {
+      debugLogger.debug(`Failed to get git repo root:`, error);
       throw new Error(
         'Unable to determine the GitHub repository. /setup-github must be run from a git repository.',
       );

packages/cli/src/ui/contexts/KeypressContext.tsx

@@ -450,7 +450,7 @@ function* emitKeys(
               insertable: true,
               sequence: decoded,
             });
-          } catch (_e) {
+          } catch {
             debugLogger.log('Failed to decode OSC 52 clipboard data');
           }
         }

packages/cli/src/ui/hooks/useAtCompletion.ts

@@ -319,7 +319,7 @@ export function useAtCompletion(props: UseAtCompletionProps): void {
         if (state.pattern !== null) {
           dispatch({ type: 'SEARCH', payload: state.pattern });
         }
-      } catch (_) {
+      } catch {
         if (initEpoch.current === currentEpoch) {
           dispatch({ type: 'ERROR' });
         }

packages/cli/src/ui/hooks/useConsoleMessages.test.tsx

@@ -51,7 +51,7 @@ describe('useConsoleMessages', () => {
     for (const unmount of unmounts) {
       try {
         unmount();
-      } catch (_e) {
+      } catch {
         // Ignore unmount errors
       }
     }
@@ -161,7 +161,7 @@ describe('useErrorCount', () => {
     for (const unmount of unmounts) {
       try {
         unmount();
-      } catch (_e) {
+      } catch {
         // Ignore unmount errors
       }
     }

packages/cli/src/ui/hooks/useFolderTrust.ts

@@ -102,7 +102,7 @@ export const useFolderTrust = (
 
       try {
         await trustedFolders.setValue(cwd, trustLevel);
-      } catch (_e) {
+      } catch {
         coreEvents.emitFeedback(
           'error',
           'Failed to save trust settings. Exiting Gemini CLI.',

packages/cli/src/ui/hooks/useGitBranchName.ts

@@ -31,7 +31,7 @@ export function useGitBranchName(cwd: string): string | undefined {
         );
         setBranchName(hashStdout.toString().trim());
       }
-    } catch (_error) {
+    } catch {
       setBranchName(undefined);
     }
   }, [cwd, setBranchName]);
@@ -57,7 +57,7 @@ export function useGitBranchName(cwd: string): string | undefined {
             fetchBranchName();
           }
         });
-      } catch (_watchError) {
+      } catch {
         // Silently ignore watcher errors (e.g. permissions or file not existing),
         // similar to how exec errors are handled.
         // The branch name will simply not update automatically.

packages/cli/src/ui/hooks/usePermissionsModifyTrust.ts

@@ -141,7 +141,7 @@ export const usePermissionsModifyTrust = (
         const folders = loadTrustedFolders();
         try {
           await folders.setValue(cwd, trustLevel);
-        } catch (_e) {
+        } catch {
           coreEvents.emitFeedback(
             'error',
             'Failed to save trust settings. Your changes may not persist.',
@@ -159,7 +159,7 @@ export const usePermissionsModifyTrust = (
       try {
         await folders.setValue(cwd, pendingTrustLevel);
         return true;
-      } catch (_e) {
+      } catch {
         coreEvents.emitFeedback(
           'error',
           'Failed to save trust settings. Your changes may not persist.',

packages/cli/src/ui/themes/theme.ts

@@ -135,7 +135,7 @@ export function interpolateColor(
     const gradient = tinygradient(color1, color2);
     const color = gradient.rgbAt(factor);
     return color.toHexString();
-  } catch (_e) {
+  } catch {
     return color1;
   }
 }

packages/cli/src/ui/utils/CodeColorizer.tsx

@@ -108,7 +108,7 @@ function highlightAndRenderLine(
     const renderedNode = renderHastNode(getHighlightedLine(), theme, undefined);
 
     return renderedNode !== null ? renderedNode : strippedLine;
-  } catch (_error) {
+  } catch {
     return stripAnsi(line);
   }
 }

packages/cli/src/ui/utils/directoryUtils.ts

@@ -135,7 +135,7 @@ export async function getDirectorySuggestions(
       .sort()
       .slice(0, MAX_SUGGESTIONS)
       .map((name) => resultPrefix + name + userSep);
-  } catch (_) {
+  } catch {
     return [];
   }
 }