From 8fca6c28975315a042f0544b42cb4a15d8dfa192 Mon Sep 17 00:00:00 2001 From: Scott Worley Date: Thu, 9 Apr 2020 21:44:49 -0700 Subject: [PATCH] Support non-hydra, plain ol' git channels --- pinch.py | 76 +++++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 53 insertions(+), 23 deletions(-) diff --git a/pinch.py b/pinch.py index e3b6882..80e631b 100644 --- a/pinch.py +++ b/pinch.py @@ -42,6 +42,7 @@ class Channel(types.SimpleNamespace): git_ref: str git_repo: str git_revision: str + old_git_revision: str release_name: str table: Dict[str, ChannelTableEntry] @@ -229,16 +230,20 @@ def git_fetch(v: Verification, channel: Channel) -> None: ['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', @@ -249,10 +254,19 @@ def git_fetch(v: Verification, channel: Channel) -> None: '%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', @@ -362,20 +376,36 @@ def check_channel_contents(v: Verification, channel: Channel) -> None: v.ok() +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) + + +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 = Channel(**dict(config[section].items())) - fetch(v, channel) - parse_channel(v, channel) - fetch_resources(v, channel) - git_fetch(v, channel) - check_channel_contents(v, channel) - config[section]['git_rev'] = channel.git_revision - config[section]['tarball_url'] = channel.table['nixexprs.tar.xz'].absolute_url - config[section]['tarball_sha256'] = channel.table['nixexprs.tar.xz'].digest + 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) -- 2.44.1