| import sys |
| import tasktool.utils as utils |
| |
| |
| def _git_ls_remote(url, ref): |
| refs = utils.check_output(['git', 'ls-remote', url, ref]) |
| revs = {} |
| for line in refs.split("\n"): |
| line = line.strip() |
| if line == "": |
| continue |
| rev, _, name = line.partition('\t') |
| revs[name] = rev |
| |
| return revs |
| |
| |
| def verify(config): |
| if config.get('url') is None: |
| raise Exception("No 'url' specified") |
| |
| |
| def resolve_latest(config): |
| assert(config['type'] == 'git') |
| rev = config.get('rev') |
| default_rev = config.pop('default_rev', None) |
| if default_rev is None: |
| default_rev = "refs/heads/master" |
| if rev is not None: |
| return |
| url = config['url'] |
| revs = _git_ls_remote(url, default_rev) |
| # Look for an exact match |
| if default_rev is not None: |
| rev = revs.get(default_rev, None) |
| # Otherwise hope that we only have a single match. |
| if rev is None: |
| if len(revs) == 0: |
| raise Exception("No refs matching '%s' found for " |
| "repository '%s'\n" % (default_rev, url)) |
| if len(revs) > 1: |
| raise Exception("Found multiple refs matching '%s' for " |
| "repository '%s': %s\n" % |
| (default_rev, url, ", ".join(revs.keys()))) |
| rev = revs.values()[0] |
| config['rev'] = rev |
| |
| |
| def get_artifact(config, dest_dir): |
| url = config['url'] |
| rev = config['rev'] |
| # Note: -s is slightly dangerous for long running builds on the local |
| # machine where the user changes the reference repo. But it's also a good |
| # bit faster. |
| utils.check_call(['git', 'clone', '-q', '-n', '-s', url, dest_dir]) |
| utils.check_call(['git', '--git-dir=%s/.git' % dest_dir, |
| '--work-tree=%s' % dest_dir, 'checkout', '-q', rev]) |
| |
| |
| def repro_arg(config, dest_dir): |
| return '-r %s=%s' % (dest_dir, config['rev']) |
