Function removeMarketplaceSource

src/utils/plugins/marketplaceManager.ts:1937–2049

(name: string)

 * @throws If marketplace with given name is not found
 */
export async function removeMarketplaceSource(name: string): Promise<void> {
  const config = await loadKnownMarketplacesConfig()

  if (!config[name]) {
    throw new Error(`Marketplace '${name}' not found`)
  }

  // Seed-registered marketplaces are admin-baked into the container — removing
  // them is a category error. They'd resurrect on next startup anyway. Guide
  // the user to the right action instead.
  const entry = config[name]
  const seedDir = seedDirFor(entry.installLocation)
  if (seedDir) {
    throw new Error(
      `Marketplace '${name}' is registered from the read-only seed directory ` +
        `(${seedDir}) and will be re-registered on next startup. ` +
        `To stop using its plugins: claude plugin disable <plugin>@${name}`,
    )
  }

  // Remove from config
  delete config[name]
  await saveKnownMarketplacesConfig(config)

  // Clean up cached files (both directory and JSON formats)
  const fs = getFsImplementation()
  const cacheDir = getMarketplacesCacheDir()
  const cachePath = join(cacheDir, name)
  await fs.rm(cachePath, { recursive: true, force: true })
  const jsonCachePath = join(cacheDir, `${name}.json`)
  await fs.rm(jsonCachePath, { force: true })

  // Clean up settings.json - remove marketplace from extraKnownMarketplaces
  // and remove related plugin entries from enabledPlugins

  // Check each editable settings source
  const editableSources: Array<
    'userSettings' | 'projectSettings' | 'localSettings'
  > = ['userSettings', 'projectSettings', 'localSettings']

  for (const source of editableSources) {
    const settings = getSettingsForSource(source)
    if (!settings) continue

    let needsUpdate = false
    const updates: {
      extraKnownMarketplaces?: typeof settings.extraKnownMarketplaces
      enabledPlugins?: typeof settings.enabledPlugins
    } = {}

    // Remove from extraKnownMarketplaces if present
    if (settings.extraKnownMarketplaces?.[name]) {
      const updatedMarketplaces: Partial<
        SettingsJson['extraKnownMarketplaces']
      > = { ...settings.extraKnownMarketplaces }
      // Use undefined values (NOT delete) to signal key removal via mergeWith
      updatedMarketplaces[name] = undefined
      updates.extraKnownMarketplaces =