Sync upstream Gemini-CLI v0.8.2 (#838)

packages/cli/src/ui/components/views/ExtensionsList.tsx

@@ -0,0 +1,67 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { Box, Text } from 'ink';
+import { useUIState } from '../../contexts/UIStateContext.js';
+import { ExtensionUpdateState } from '../../state/extensions.js';
+
+export const ExtensionsList = () => {
+  const { commandContext, extensionsUpdateState } = useUIState();
+  const allExtensions = commandContext.services.config!.getExtensions();
+  const settings = commandContext.services.settings;
+  const disabledExtensions = settings.merged.extensions?.disabled ?? [];
+
+  if (allExtensions.length === 0) {
+    return <Text>No extensions installed.</Text>;
+  }
+
+  return (
+    <Box flexDirection="column" marginTop={1} marginBottom={1}>
+      <Text>Installed extensions:</Text>
+      <Box flexDirection="column" paddingLeft={2}>
+        {allExtensions.map((ext) => {
+          const state = extensionsUpdateState.get(ext.name);
+          const isActive = !disabledExtensions.includes(ext.name);
+          const activeString = isActive ? 'active' : 'disabled';
+
+          let stateColor = 'gray';
+          const stateText = state || 'unknown state';
+
+          switch (state) {
+            case ExtensionUpdateState.CHECKING_FOR_UPDATES:
+            case ExtensionUpdateState.UPDATING:
+              stateColor = 'cyan';
+              break;
+            case ExtensionUpdateState.UPDATE_AVAILABLE:
+            case ExtensionUpdateState.UPDATED_NEEDS_RESTART:
+              stateColor = 'yellow';
+              break;
+            case ExtensionUpdateState.ERROR:
+              stateColor = 'red';
+              break;
+            case ExtensionUpdateState.UP_TO_DATE:
+            case ExtensionUpdateState.NOT_UPDATABLE:
+              stateColor = 'green';
+              break;
+            default:
+              console.error(`Unhandled ExtensionUpdateState ${state}`);
+              break;
+          }
+
+          return (
+            <Box key={ext.name}>
+              <Text>
+                <Text color="cyan">{`${ext.name} (v${ext.version})`}</Text>
+                {` - ${activeString}`}
+                {<Text color={stateColor}>{` (${stateText})`}</Text>}
+              </Text>
+            </Box>
+          );
+        })}
+      </Box>
+    </Box>
+  );
+};