Method cachePrune

packages/python/src/uv.ts:227–241

* Prune the uv cache for CI: removes pre-built wheels and unzipped source * distributions while retaining source-built wheels.

()

   * distributions while retaining source-built wheels.
   */
  async cachePrune(): Promise<void> {
    const args = ['cache', 'prune', '--ci'];
    const pretty = `uv ${args.join(' ')}`;
    debug(`Running "${pretty}"...`);
    try {
      await execa(this.uvPath, args, {
        env: getProtectedUvEnv(process.env, this.uvCacheDir),
      });
    } catch (err) {
      // Cache pruning is best-effort; log but don't fail the build.
      debug(
        `Warning: ${pretty} failed: ${err instanceof Error ? err.message : String(err)}`
      );
    }
  }

  private async runUvCmd(
    args: string[],