Returns the resulting file or in case of extraction the destination directory (for logging).
| 342 | // Returns the resulting file or in case of extraction the destination |
| 343 | // directory (for logging). |
| 344 | static Try<string> fetchFromCache( |
| 345 | const FetcherInfo::Item& item, |
| 346 | const string& cacheDirectory, |
| 347 | const string& sandboxDirectory) |
| 348 | { |
| 349 | LOG(INFO) << "Fetching URI '" << item.uri().value() << "' from cache"; |
| 350 | |
| 351 | if (item.uri().has_output_file()) { |
| 352 | string dirname = Path(item.uri().output_file()).dirname(); |
| 353 | if (dirname != ".") { |
| 354 | Try<Nothing> result = |
| 355 | os::mkdir(path::join(sandboxDirectory, dirname), true); |
| 356 | |
| 357 | if (result.isError()) { |
| 358 | return Error( |
| 359 | "Unable to create subdirectory " + dirname + |
| 360 | " in sandbox: " + result.error()); |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | Try<string> outputFile = item.uri().has_output_file() |
| 366 | ? item.uri().output_file() |
| 367 | : Fetcher::basename(item.uri().value()); |
| 368 | |
| 369 | if (outputFile.isError()) { |
| 370 | return Error(outputFile.error()); |
| 371 | } |
| 372 | |
| 373 | string destinationPath = path::join(sandboxDirectory, outputFile.get()); |
| 374 | |
| 375 | // Non-empty cache filename is guaranteed by the callers of this function. |
| 376 | CHECK(!item.cache_filename().empty()); |
| 377 | |
| 378 | string sourcePath = path::join(cacheDirectory, item.cache_filename()); |
| 379 | |
| 380 | if (item.uri().executable()) { |
| 381 | Try<string> copied = copyFile(sourcePath, destinationPath); |
| 382 | if (copied.isError()) { |
| 383 | return Error(copied.error()); |
| 384 | } |
| 385 | |
| 386 | return chmodExecutable(copied.get()); |
| 387 | } else if (item.uri().extract()) { |
| 388 | Try<bool> extracted = extract(sourcePath, sandboxDirectory); |
| 389 | if (extracted.isError()) { |
| 390 | return Error(extracted.error()); |
| 391 | } else if (extracted.get()) { |
| 392 | return sandboxDirectory; |
| 393 | } else { |
| 394 | LOG(WARNING) << "Copying instead of extracting resource from URI with " |
| 395 | << "'extract' flag, because it does not seem to be an " |
| 396 | << "archive: " << item.uri().value(); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | return copyFile(sourcePath, destinationPath); |
| 401 | } |
no test coverage detected