d = xml.dom.minidom.parseString(channel_html)
v.ok()
- v.status('Extracting release name:')
- title_name = d.getElementsByTagName(
- 'title')[0].firstChild.nodeValue.split()[2]
- h1_name = d.getElementsByTagName('h1')[0].firstChild.nodeValue.split()[2]
- v.status(title_name)
- v.result(title_name == h1_name)
-
- v.status('Extracting git commit:')
+ v.status('Finding release name (1)')
+ title = d.getElementsByTagName('title')[0].firstChild
+ v.result(isinstance(title, xml.dom.minidom.CharacterData))
+ assert isinstance(title, xml.dom.minidom.CharacterData)
+ release_name = title.nodeValue.split()[2]
+ v.status('Finding release name (2)')
+ h1 = d.getElementsByTagName('h1')[0].firstChild
+ v.result(isinstance(h1, xml.dom.minidom.CharacterData))
+ assert isinstance(h1, xml.dom.minidom.CharacterData)
+ v.status('Verifying release name:')
+ v.status(release_name)
+ v.result(release_name == h1.nodeValue.split()[2])
+
+ v.status('Finding git commit')
git_commit_node = d.getElementsByTagName('tt')[0]
+ v.result(
+ isinstance(
+ git_commit_node.firstChild,
+ xml.dom.minidom.CharacterData))
+ assert isinstance(
+ git_commit_node.firstChild,
+ xml.dom.minidom.CharacterData)
+ v.status('Extracting git commit:')
git_revision = git_commit_node.firstChild.nodeValue
v.status(git_revision)
v.ok()
digest = Digest16(row.childNodes[2].firstChild.firstChild.nodeValue)
table[name] = ChannelTableEntry(url=url, digest=digest, size=size)
v.ok()
- return table, GitPin(release_name=title_name, git_revision=git_revision)
+ return table, GitPin(release_name=release_name, git_revision=git_revision)
def digest_string(s: bytes) -> Digest16:
return Digest16(hasher.hexdigest())
-@functools.lru_cache
-def _experimental_flag_needed(v: Verification) -> bool:
- v.status('Checking Nix version')
- process = subprocess.run(['nix', '--help'], stdout=subprocess.PIPE)
- v.result(process.returncode == 0)
- return b'--experimental-features' in process.stdout
-
-
-def _nix_command(v: Verification) -> List[str]:
- return ['nix', '--experimental-features',
- 'nix-command'] if _experimental_flag_needed(v) else ['nix']
+_NIX_COMMAND = ['nix', '--experimental-features', 'nix-command']
def to_Digest16(v: Verification, digest32: Digest32) -> Digest16:
v.status('Converting digest to base16')
- process = subprocess.run(_nix_command(v) + [
+ process = subprocess.run(_NIX_COMMAND + [
'to-base16',
'--type',
'sha256',
def to_Digest32(v: Verification, digest16: Digest16) -> Digest32:
v.status('Converting digest to base32')
- process = subprocess.run(_nix_command(v) + [
+ process = subprocess.run(_NIX_COMMAND + [
'to-base32',
'--type',
'sha256',
v.result(process.returncode == 0)
+def broken_symlinks_are_identical(root1: str, root2: str, path: str) -> bool:
+ a = os.path.join(root1, path)
+ b = os.path.join(root2, path)
+ return (os.path.islink(a)
+ and os.path.islink(b)
+ and not os.path.exists(a)
+ and not os.path.exists(b)
+ and os.readlink(a) == os.readlink(b))
+
+
def compare_tarball_and_git(
v: Verification,
pin: GitPin,
channel_contents: str,
git_contents: str) -> None:
v.status('Comparing channel tarball with git checkout')
- match, mismatch, errors = compare(os.path.join(
- channel_contents, pin.release_name), git_contents)
+ tarball_contents = os.path.join(channel_contents, pin.release_name)
+ match, mismatch, errors = compare(tarball_contents, git_contents)
v.ok()
v.check(f'{len(match)} files match', len(match) > 0)
v.check(f'{len(mismatch)} files differ', len(mismatch) == 0)
'nixpkgs',
'programs.sqlite',
'svn-revision']
- benign_errors = []
+ benign_expected_errors = []
for ee in expected_errors:
if ee in errors:
errors.remove(ee)
- benign_errors.append(ee)
- v.check(f'{len(errors)} unexpected incomparable files', len(errors) == 0)
+ benign_expected_errors.append(ee)
+ errors = [
+ e for e in errors
+ if not broken_symlinks_are_identical(tarball_contents, git_contents, e)
+ ]
v.check(
- f'({len(benign_errors)} of {len(expected_errors)} expected incomparable files)',
- len(benign_errors) == len(expected_errors))
+ f'{len(errors)} unexpected incomparable files: {errors}',
+ len(errors) == 0)
+ v.check(
+ f'({len(benign_expected_errors)} of {len(expected_errors)} expected incomparable files)',
+ len(benign_expected_errors) == len(expected_errors))
def extract_tarball(
git_revision],
stdout=subprocess.PIPE)
v.result(process.returncode == 0 and process.stdout != b'')
- return f'{os.path.basename(channel.git_repo)}-{process.stdout.decode().strip()}'
+ return f'{
+ os.path.basename(channel.git_repo)}-{
+ process.stdout.decode().strip()}'
K = TypeVar('K')
section: str, conf: configparser.SectionProxy) -> Tuple[SearchPath, Pin]:
sp, pin = read_config_section(conf)
if pin is None:
- raise Exception(
+ raise RuntimeError(
f'Cannot update unpinned channel "{section}" (Run "pin" before "update")')
return sp, pin
config = read_config(file)
for section in config.sections():
if section in merged_config:
- raise Exception('Duplicate channel "{section}"')
+ raise RuntimeError('Duplicate channel "{section}"')
merged_config[section] = config[section]
return merged_config
assert isinstance(sp, AliasSearchPath) # For mypy
exprs[section] = exprs[sp.alias_of]
- command = [
- 'nix-env',
- '--profile',
- args.profile,
- '--show-trace',
- '--file',
- '<nix/unpack-channel.nix>',
- '--install',
- '--remove-all',
- ] + search_paths + ['--from-expression'] + [
- exprs[name] % name for name in sorted(exprs.keys())]
- if args.dry_run:
- print(' '.join(map(shlex.quote, command)))
- else:
- v.status('Installing channels with nix-env')
- process = subprocess.run(command)
- v.result(process.returncode == 0)
+ with tempfile.NamedTemporaryFile() as unpack_channel_nix:
+ unpack_channel_nix.write(b'''
+ { name, channelName, src, }:
+ derivation {
+ inherit name channelName src;
+ builder = "builtin:unpack-channel";
+ system = "builtin";
+ preferLocalBuild = true;
+ }
+ ''')
+ unpack_channel_nix.flush()
+
+ command = [
+ 'nix-env',
+ '--profile',
+ args.profile,
+ '--show-trace',
+ '--file',
+ unpack_channel_nix.name,
+ '--install',
+ '--remove-all',
+ ] + search_paths + ['--from-expression'] + [
+ exprs[name] % name for name in sorted(exprs.keys())]
+ if args.dry_run:
+ print(' '.join(map(shlex.quote, command)))
+ else:
+ v.status('Installing channels with nix-env')
+ process = subprocess.run(command)
+ v.result(process.returncode == 0)
def main() -> None: