mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-28 06:02:30 -06:00
216 lines
7.9 KiB
Python
216 lines
7.9 KiB
Python
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from __future__ import absolute_import
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import logging
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import tempfile
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import os.path
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from pip._vendor.six.moves.urllib import parse as urllib_parse
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from pip._vendor.six.moves.urllib import request as urllib_request
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from pip.utils import call_subprocess
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from pip.utils import display_path, rmtree
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from pip.vcs import vcs, VersionControl
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urlsplit = urllib_parse.urlsplit
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urlunsplit = urllib_parse.urlunsplit
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logger = logging.getLogger(__name__)
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class Git(VersionControl):
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name = 'git'
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dirname = '.git'
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repo_name = 'clone'
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schemes = (
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'git', 'git+http', 'git+https', 'git+ssh', 'git+git', 'git+file',
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)
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def __init__(self, url=None, *args, **kwargs):
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# Works around an apparent Git bug
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# (see http://article.gmane.org/gmane.comp.version-control.git/146500)
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if url:
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scheme, netloc, path, query, fragment = urlsplit(url)
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if scheme.endswith('file'):
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initial_slashes = path[:-len(path.lstrip('/'))]
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newpath = (
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initial_slashes +
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urllib_request.url2pathname(path)
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.replace('\\', '/').lstrip('/')
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)
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url = urlunsplit((scheme, netloc, newpath, query, fragment))
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after_plus = scheme.find('+') + 1
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url = scheme[:after_plus] + urlunsplit(
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(scheme[after_plus:], netloc, newpath, query, fragment),
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)
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super(Git, self).__init__(url, *args, **kwargs)
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def export(self, location):
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"""Export the Git repository at the url to the destination location"""
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temp_dir = tempfile.mkdtemp('-export', 'pip-')
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self.unpack(temp_dir)
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try:
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if not location.endswith('/'):
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location = location + '/'
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call_subprocess(
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[self.cmd, 'checkout-index', '-a', '-f', '--prefix', location],
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filter_stdout=self._filter, show_stdout=False, cwd=temp_dir)
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finally:
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rmtree(temp_dir)
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def check_rev_options(self, rev, dest, rev_options):
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"""Check the revision options before checkout to compensate that tags
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and branches may need origin/ as a prefix.
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Returns the SHA1 of the branch or tag if found.
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"""
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revisions = self.get_refs(dest)
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origin_rev = 'origin/%s' % rev
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if origin_rev in revisions:
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# remote branch
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return [revisions[origin_rev]]
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elif rev in revisions:
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# a local tag or branch name
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return [revisions[rev]]
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else:
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logger.warning(
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"Could not find a tag or branch '%s', assuming commit.", rev,
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)
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return rev_options
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def switch(self, dest, url, rev_options):
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call_subprocess(
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[self.cmd, 'config', 'remote.origin.url', url], cwd=dest)
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call_subprocess(
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[self.cmd, 'checkout', '-q'] + rev_options, cwd=dest)
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self.update_submodules(dest)
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def update(self, dest, rev_options):
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# First fetch changes from the default remote
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call_subprocess([self.cmd, 'fetch', '-q'], cwd=dest)
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# Then reset to wanted revision (maby even origin/master)
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if rev_options:
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rev_options = self.check_rev_options(
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rev_options[0], dest, rev_options,
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)
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call_subprocess(
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[self.cmd, 'reset', '--hard', '-q'] + rev_options,
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cwd=dest,
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)
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#: update submodules
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self.update_submodules(dest)
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def obtain(self, dest):
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url, rev = self.get_url_rev()
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if rev:
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rev_options = [rev]
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rev_display = ' (to %s)' % rev
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else:
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rev_options = ['origin/master']
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rev_display = ''
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if self.check_destination(dest, url, rev_options, rev_display):
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logger.info(
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'Cloning %s%s to %s', url, rev_display, display_path(dest),
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)
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call_subprocess([self.cmd, 'clone', '-q', url, dest])
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if rev:
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rev_options = self.check_rev_options(rev, dest, rev_options)
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# Only do a checkout if rev_options differs from HEAD
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if not self.get_revision(dest).startswith(rev_options[0]):
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call_subprocess(
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[self.cmd, 'checkout', '-q'] + rev_options,
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cwd=dest,
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)
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#: repo may contain submodules
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self.update_submodules(dest)
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def get_url(self, location):
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url = call_subprocess(
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[self.cmd, 'config', 'remote.origin.url'],
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show_stdout=False, cwd=location)
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return url.strip()
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def get_revision(self, location):
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current_rev = call_subprocess(
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[self.cmd, 'rev-parse', 'HEAD'], show_stdout=False, cwd=location)
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return current_rev.strip()
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def get_refs(self, location):
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"""Return map of named refs (branches or tags) to commit hashes."""
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output = call_subprocess([self.cmd, 'show-ref'],
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show_stdout=False, cwd=location)
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rv = {}
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for line in output.strip().splitlines():
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commit, ref = line.split(' ', 1)
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ref = ref.strip()
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ref_name = None
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if ref.startswith('refs/remotes/'):
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ref_name = ref[len('refs/remotes/'):]
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elif ref.startswith('refs/heads/'):
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ref_name = ref[len('refs/heads/'):]
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elif ref.startswith('refs/tags/'):
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ref_name = ref[len('refs/tags/'):]
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if ref_name is not None:
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rv[ref_name] = commit.strip()
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return rv
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def get_src_requirement(self, dist, location, find_tags):
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repo = self.get_url(location)
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if not repo.lower().startswith('git:'):
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repo = 'git+' + repo
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egg_project_name = dist.egg_name().split('-', 1)[0]
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if not repo:
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return None
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current_rev = self.get_revision(location)
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refs = self.get_refs(location)
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# refs maps names to commit hashes; we need the inverse
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# if multiple names map to a single commit, we pick the first one
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# alphabetically
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names_by_commit = {}
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for ref, commit in sorted(refs.items()):
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if commit not in names_by_commit:
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names_by_commit[commit] = ref
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if current_rev in names_by_commit:
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# It's a tag or branch.
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name = names_by_commit[current_rev]
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full_egg_name = (
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'%s-%s' % (egg_project_name, self.translate_egg_surname(name))
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)
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else:
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full_egg_name = '%s-dev' % egg_project_name
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return '%s@%s#egg=%s' % (repo, current_rev, full_egg_name)
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def get_url_rev(self):
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"""
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Prefixes stub URLs like 'user@hostname:user/repo.git' with 'ssh://'.
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That's required because although they use SSH they sometimes doesn't
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work with a ssh:// scheme (e.g. Github). But we need a scheme for
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parsing. Hence we remove it again afterwards and return it as a stub.
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"""
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if '://' not in self.url:
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assert 'file:' not in self.url
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self.url = self.url.replace('git+', 'git+ssh://')
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url, rev = super(Git, self).get_url_rev()
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url = url.replace('ssh://', '')
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else:
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url, rev = super(Git, self).get_url_rev()
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return url, rev
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def update_submodules(self, location):
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if not os.path.exists(os.path.join(location, '.gitmodules')):
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return
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call_subprocess(
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[self.cmd, 'submodule', 'update', '--init', '--recursive', '-q'],
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cwd=location,
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)
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vcs.register(Git)
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