class ChannelTableEntry(types.SimpleNamespace):
+ absolute_url: str
digest: Digest16
file: str
size: int
class Channel(types.SimpleNamespace):
channel_html: bytes
+ channel_url: str
forwarded_url: str
git_cachedir: str
git_ref: str
git_repo: str
git_revision: str
+ old_git_revision: str
release_name: str
table: Dict[str, ChannelTableEntry]
- url: str
class VerificationError(Exception):
def fetch(v: Verification, channel: Channel) -> None:
v.status('Fetching channel')
- request = urllib.request.urlopen(channel.url, timeout=10)
+ request = urllib.request.urlopen(channel.channel_url, timeout=10)
channel.channel_html = request.read()
channel.forwarded_url = request.geturl()
v.result(request.status == 200)
- v.check('Got forwarded', channel.url != channel.forwarded_url)
+ v.check('Got forwarded', channel.channel_url != channel.forwarded_url)
def parse_channel(v: Verification, channel: Channel) -> None:
def fetch_resources(v: Verification, channel: Channel) -> None:
for resource in ['git-revision', 'nixexprs.tar.xz']:
fields = channel.table[resource]
- url = urllib.parse.urljoin(channel.forwarded_url, fields.url)
- fields.file = fetch_with_nix_prefetch_url(v, url, fields.digest)
+ fields.absolute_url = urllib.parse.urljoin(
+ channel.forwarded_url, fields.url)
+ fields.file = fetch_with_nix_prefetch_url(
+ v, fields.absolute_url, fields.digest)
v.status('Verifying git commit on main page matches git commit in table')
v.result(
open(
channel.git_cachedir = os.path.expanduser(
'~/.cache/nix-pin-channel/git/%s' %
digest_string(
- channel.url.encode()))
+ channel.git_repo.encode()))
if not os.path.exists(channel.git_cachedir):
v.status("Initializing git repo")
process = subprocess.run(
['git', 'init', '--bare', channel.git_cachedir])
v.result(process.returncode == 0)
- v.status('Checking if we already have this rev:')
- process = subprocess.run(
- ['git', '-C', channel.git_cachedir, 'cat-file', '-e', channel.git_revision])
- if process.returncode == 0:
- v.status('yes')
- if process.returncode == 1:
- v.status('no')
- v.result(process.returncode == 0 or process.returncode == 1)
- if process.returncode == 1:
- v.status('Fetching ref "%s"' % channel.git_ref)
+ have_rev = False
+ if hasattr(channel, 'git_revision'):
+ v.status('Checking if we already have this rev:')
+ process = subprocess.run(
+ ['git', '-C', channel.git_cachedir, 'cat-file', '-e', channel.git_revision])
+ if process.returncode == 0:
+ v.status('yes')
+ if process.returncode == 1:
+ v.status('no')
+ v.result(process.returncode == 0 or process.returncode == 1)
+ have_rev = process.returncode == 0
+
+ if not have_rev:
+ v.status('Fetching ref "%s" from %s' % (channel.git_ref, channel.git_repo))
# We don't use --force here because we want to abort and freak out if forced
# updates are happening.
process = subprocess.run(['git',
'%s:%s' % (channel.git_ref,
channel.git_ref)])
v.result(process.returncode == 0)
- v.status('Verifying that fetch retrieved this rev')
- process = subprocess.run(
- ['git', '-C', channel.git_cachedir, 'cat-file', '-e', channel.git_revision])
- v.result(process.returncode == 0)
+ if hasattr(channel, 'git_revision'):
+ v.status('Verifying that fetch retrieved this rev')
+ process = subprocess.run(
+ ['git', '-C', channel.git_cachedir, 'cat-file', '-e', channel.git_revision])
+ v.result(process.returncode == 0)
+
+ if not hasattr(channel, 'git_revision'):
+ channel.git_revision = open(
+ os.path.join(
+ channel.git_cachedir,
+ 'refs',
+ 'heads',
+ channel.git_ref)).read(999).strip()
v.status('Verifying rev is an ancestor of ref')
process = subprocess.run(['git',
channel.git_ref])
v.result(process.returncode == 0)
+ if hasattr(channel, 'old_git_revision'):
+ v.status('Verifying rev is an ancestor of previous rev %s' % channel.old_git_revision)
+ process = subprocess.run(['git',
+ '-C',
+ channel.git_cachedir,
+ 'merge-base',
+ '--is-ancestor',
+ channel.old_git_revision,
+ channel.git_revision])
+ v.result(process.returncode == 0)
+
def compare_tarball_and_git(
v: Verification,
v.ok()
-def main(argv: List[str]) -> None:
- v = Verification()
- config = configparser.ConfigParser()
- config.read_file(open(argv[1]), argv[1])
- channel = Channel(**dict(config['nixos'].items()))
+def pin_channel(v: Verification, channel: Channel) -> None:
fetch(v, channel)
parse_channel(v, channel)
fetch_resources(v, channel)
git_fetch(v, channel)
check_channel_contents(v, channel)
- print(channel)
+
+
+def make_channel(conf: configparser.SectionProxy) -> Channel:
+ channel = Channel(**dict(conf.items()))
+ if hasattr(channel, 'git_revision'):
+ channel.old_git_revision = channel.git_revision
+ del channel.git_revision
+ return channel
+
+
+def main(argv: List[str]) -> None:
+ v = Verification()
+ config = configparser.ConfigParser()
+ config.read_file(open(argv[1]), argv[1])
+ for section in config.sections():
+ channel = make_channel(config[section])
+ if 'channel_url' in config[section]:
+ pin_channel(v, channel)
+ config[section]['tarball_url'] = channel.table['nixexprs.tar.xz'].absolute_url
+ config[section]['tarball_sha256'] = channel.table['nixexprs.tar.xz'].digest
+ else:
+ git_fetch(v, channel)
+ config[section]['git_revision'] = channel.git_revision
+
+ with open(argv[1], 'w') as configfile:
+ config.write(configfile)
main(sys.argv)
projects / pinch / blobdiff