except tarfile.CompressionError:
return False
-def get(base, url, path, checksums, verbose=False, do_verify=True):
+def get(base, url, path, checksums, verbose=False, do_verify=True, help_on_error=None):
with tempfile.NamedTemporaryFile(delete=False) as temp_file:
temp_path = temp_file.name
print("ignoring already-download file",
path, "due to failed verification")
os.unlink(path)
- download(temp_path, "{}/{}".format(base, url), True, verbose)
+ download(temp_path, "{}/{}".format(base, url), True, verbose, help_on_error=help_on_error)
if do_verify and not verify(temp_path, sha256, verbose):
raise RuntimeError("failed verification")
if verbose:
os.unlink(temp_path)
-def download(path, url, probably_big, verbose):
+def download(path, url, probably_big, verbose, help_on_error=None):
for _ in range(0, 4):
try:
- _download(path, url, probably_big, verbose, True)
+ _download(path, url, probably_big, verbose, True, help_on_error=help_on_error)
return
except RuntimeError:
print("\nspurious failure, trying again")
- _download(path, url, probably_big, verbose, False)
+ _download(path, url, probably_big, verbose, False, help_on_error=help_on_error)
-def _download(path, url, probably_big, verbose, exception):
+def _download(path, url, probably_big, verbose, exception, help_on_error=None):
if probably_big or verbose:
print("downloading {}".format(url))
# see https://serverfault.com/questions/301128/how-to-download
"--connect-timeout", "30", # timeout if cannot connect within 30 seconds
"--retry", "3", "-Sf", "-o", path, url],
verbose=verbose,
- exception=exception)
+ exception=exception,
+ help_on_error=help_on_error)
def verify(path, expected, verbose):
shutil.rmtree(os.path.join(dst, fname))
-def run(args, verbose=False, exception=False, is_bootstrap=False, **kwargs):
+def run(args, verbose=False, exception=False, is_bootstrap=False, help_on_error=None, **kwargs):
"""Run a child program in a new process"""
if verbose:
print("running: " + ' '.join(args))
code = ret.wait()
if code != 0:
err = "failed to run: " + ' '.join(args)
+ if help_on_error is not None:
+ err += "\n" + help_on_error
if verbose or exception:
raise RuntimeError(err)
# For most failures, we definitely do want to print this error, or the user will have no
filename = "rust-dev-nightly-" + self.build + tarball_suffix
tarball = os.path.join(rustc_cache, filename)
if not os.path.exists(tarball):
+ help_on_error = "error: failed to download llvm from ci"
+ help_on_error += "\nhelp: old builds get deleted after a certain time"
+ help_on_error += "\nhelp: if trying to compile an old commit of rustc,"
+ help_on_error += " disable `download-ci-llvm` in config.toml:"
+ help_on_error += "\n"
+ help_on_error += "\n[llvm]"
+ help_on_error += "\ndownload-ci-llvm = false"
+ help_on_error += "\n"
get(
base,
"{}/{}".format(url, filename),
self.checksums_sha256,
verbose=self.verbose,
do_verify=False,
+ help_on_error=help_on_error,
)
unpack(tarball, tarball_suffix, self.llvm_root(),
match="rust-dev",
build.verbose = args.verbose
build.clean = args.clean
- # Read from `RUST_BOOTSTRAP_CONFIG`, then `--config`, then fallback to `config.toml` (if it
+ # Read from `--config`, then `RUST_BOOTSTRAP_CONFIG`, then fallback to `config.toml` (if it
# exists).
- toml_path = os.getenv('RUST_BOOTSTRAP_CONFIG') or args.config
+ toml_path = args.config or os.getenv('RUST_BOOTSTRAP_CONFIG')
if not toml_path and os.path.exists('config.toml'):
toml_path = 'config.toml'