312 lines
11 KiB
Python
312 lines
11 KiB
Python
|
from __future__ import absolute_import
|
||
|
|
|
||
|
|
import logging
|
||
|
|
import os.path
|
||
|
|
import re
|
||
|
|
|
||
|
|
from pip._vendor.packaging.version import parse as parse_version
|
||
|
|
from pip._vendor.six.moves.urllib import parse as urllib_parse
|
||
|
|
from pip._vendor.six.moves.urllib import request as urllib_request
|
||
|
|
|
||
|
|
from pip._internal.compat import samefile
|
||
|
|
from pip._internal.exceptions import BadCommand
|
||
|
|
from pip._internal.utils.misc import display_path
|
||
|
|
from pip._internal.utils.temp_dir import TempDirectory
|
||
|
|
from pip._internal.vcs import VersionControl, vcs
|
||
|
|
|
||
|
|
urlsplit = urllib_parse.urlsplit
|
||
|
|
urlunsplit = urllib_parse.urlunsplit
|
||
|
|
|
||
|
|
|
||
|
|
logger = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
|
||
|
|
HASH_REGEX = re.compile('[a-fA-F0-9]{40}')
|
||
|
|
|
||
|
|
|
||
|
|
def looks_like_hash(sha):
|
||
|
|
return bool(HASH_REGEX.match(sha))
|
||
|
|
|
||
|
|
|
||
|
|
class Git(VersionControl):
|
||
|
|
name = 'git'
|
||
|
|
dirname = '.git'
|
||
|
|
repo_name = 'clone'
|
||
|
|
schemes = (
|
||
|
|
'git', 'git+http', 'git+https', 'git+ssh', 'git+git', 'git+file',
|
||
|
|
)
|
||
|
|
# Prevent the user's environment variables from interfering with pip:
|
||
|
|
# https://github.com/pypa/pip/issues/1130
|
||
|
|
unset_environ = ('GIT_DIR', 'GIT_WORK_TREE')
|
||
|
|
default_arg_rev = 'HEAD'
|
||
|
|
|
||
|
|
def __init__(self, url=None, *args, **kwargs):
|
||
|
|
|
||
|
|
# Works around an apparent Git bug
|
||
|
|
# (see http://article.gmane.org/gmane.comp.version-control.git/146500)
|
||
|
|
if url:
|
||
|
|
scheme, netloc, path, query, fragment = urlsplit(url)
|
||
|
|
if scheme.endswith('file'):
|
||
|
|
initial_slashes = path[:-len(path.lstrip('/'))]
|
||
|
|
newpath = (
|
||
|
|
initial_slashes +
|
||
|
|
urllib_request.url2pathname(path)
|
||
|
|
.replace('\\', '/').lstrip('/')
|
||
|
|
)
|
||
|
|
url = urlunsplit((scheme, netloc, newpath, query, fragment))
|
||
|
|
after_plus = scheme.find('+') + 1
|
||
|
|
url = scheme[:after_plus] + urlunsplit(
|
||
|
|
(scheme[after_plus:], netloc, newpath, query, fragment),
|
||
|
|
)
|
||
|
|
|
||
|
|
super(Git, self).__init__(url, *args, **kwargs)
|
||
|
|
|
||
|
|
def get_base_rev_args(self, rev):
|
||
|
|
return [rev]
|
||
|
|
|
||
|
|
def get_git_version(self):
|
||
|
|
VERSION_PFX = 'git version '
|
||
|
|
version = self.run_command(['version'], show_stdout=False)
|
||
|
|
if version.startswith(VERSION_PFX):
|
||
|
|
version = version[len(VERSION_PFX):].split()[0]
|
||
|
|
else:
|
||
|
|
version = ''
|
||
|
|
# get first 3 positions of the git version becasue
|
||
|
|
# on windows it is x.y.z.windows.t, and this parses as
|
||
|
|
# LegacyVersion which always smaller than a Version.
|
||
|
|
version = '.'.join(version.split('.')[:3])
|
||
|
|
return parse_version(version)
|
||
|
|
|
||
|
|
def export(self, location):
|
||
|
|
"""Export the Git repository at the url to the destination location"""
|
||
|
|
if not location.endswith('/'):
|
||
|
|
location = location + '/'
|
||
|
|
|
||
|
|
with TempDirectory(kind="export") as temp_dir:
|
||
|
|
self.unpack(temp_dir.path)
|
||
|
|
self.run_command(
|
||
|
|
['checkout-index', '-a', '-f', '--prefix', location],
|
||
|
|
show_stdout=False, cwd=temp_dir.path
|
||
|
|
)
|
||
|
|
|
||
|
|
def get_revision_sha(self, dest, rev):
|
||
|
|
"""
|
||
|
|
Return a commit hash for the given revision if it names a remote
|
||
|
|
branch or tag. Otherwise, return None.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
dest: the repository directory.
|
||
|
|
rev: the revision name.
|
||
|
|
"""
|
||
|
|
# Pass rev to pre-filter the list.
|
||
|
|
output = self.run_command(['show-ref', rev], cwd=dest,
|
||
|
|
show_stdout=False, on_returncode='ignore')
|
||
|
|
refs = {}
|
||
|
|
for line in output.strip().splitlines():
|
||
|
|
try:
|
||
|
|
sha, ref = line.split()
|
||
|
|
except ValueError:
|
||
|
|
# Include the offending line to simplify troubleshooting if
|
||
|
|
# this error ever occurs.
|
||
|
|
raise ValueError('unexpected show-ref line: {!r}'.format(line))
|
||
|
|
|
||
|
|
refs[ref] = sha
|
||
|
|
|
||
|
|
branch_ref = 'refs/remotes/origin/{}'.format(rev)
|
||
|
|
tag_ref = 'refs/tags/{}'.format(rev)
|
||
|
|
|
||
|
|
return refs.get(branch_ref) or refs.get(tag_ref)
|
||
|
|
|
||
|
|
def check_rev_options(self, dest, rev_options):
|
||
|
|
"""Check the revision options before checkout.
|
||
|
|
|
||
|
|
Returns a new RevOptions object for the SHA1 of the branch or tag
|
||
|
|
if found.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
rev_options: a RevOptions object.
|
||
|
|
"""
|
||
|
|
rev = rev_options.arg_rev
|
||
|
|
sha = self.get_revision_sha(dest, rev)
|
||
|
|
|
||
|
|
if sha is not None:
|
||
|
|
return rev_options.make_new(sha)
|
||
|
|
|
||
|
|
# Do not show a warning for the common case of something that has
|
||
|
|
# the form of a Git commit hash.
|
||
|
|
if not looks_like_hash(rev):
|
||
|
|
logger.warning(
|
||
|
|
"Did not find branch or tag '%s', assuming revision or ref.",
|
||
|
|
rev,
|
||
|
|
)
|
||
|
|
return rev_options
|
||
|
|
|
||
|
|
def is_commit_id_equal(self, dest, name):
|
||
|
|
"""
|
||
|
|
Return whether the current commit hash equals the given name.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
dest: the repository directory.
|
||
|
|
name: a string name.
|
||
|
|
"""
|
||
|
|
if not name:
|
||
|
|
# Then avoid an unnecessary subprocess call.
|
||
|
|
return False
|
||
|
|
|
||
|
|
return self.get_revision(dest) == name
|
||
|
|
|
||
|
|
def switch(self, dest, url, rev_options):
|
||
|
|
self.run_command(['config', 'remote.origin.url', url], cwd=dest)
|
||
|
|
cmd_args = ['checkout', '-q'] + rev_options.to_args()
|
||
|
|
self.run_command(cmd_args, cwd=dest)
|
||
|
|
|
||
|
|
self.update_submodules(dest)
|
||
|
|
|
||
|
|
def update(self, dest, rev_options):
|
||
|
|
# First fetch changes from the default remote
|
||
|
|
if self.get_git_version() >= parse_version('1.9.0'):
|
||
|
|
# fetch tags in addition to everything else
|
||
|
|
self.run_command(['fetch', '-q', '--tags'], cwd=dest)
|
||
|
|
else:
|
||
|
|
self.run_command(['fetch', '-q'], cwd=dest)
|
||
|
|
# Then reset to wanted revision (maybe even origin/master)
|
||
|
|
rev_options = self.check_rev_options(dest, rev_options)
|
||
|
|
cmd_args = ['reset', '--hard', '-q'] + rev_options.to_args()
|
||
|
|
self.run_command(cmd_args, cwd=dest)
|
||
|
|
#: update submodules
|
||
|
|
self.update_submodules(dest)
|
||
|
|
|
||
|
|
def obtain(self, dest):
|
||
|
|
url, rev = self.get_url_rev()
|
||
|
|
rev_options = self.make_rev_options(rev)
|
||
|
|
if self.check_destination(dest, url, rev_options):
|
||
|
|
rev_display = rev_options.to_display()
|
||
|
|
logger.info(
|
||
|
|
'Cloning %s%s to %s', url, rev_display, display_path(dest),
|
||
|
|
)
|
||
|
|
self.run_command(['clone', '-q', url, dest])
|
||
|
|
|
||
|
|
if rev:
|
||
|
|
rev_options = self.check_rev_options(dest, rev_options)
|
||
|
|
# Only do a checkout if the current commit id doesn't match
|
||
|
|
# the requested revision.
|
||
|
|
if not self.is_commit_id_equal(dest, rev_options.rev):
|
||
|
|
rev = rev_options.rev
|
||
|
|
# Only fetch the revision if it's a ref
|
||
|
|
if rev.startswith('refs/'):
|
||
|
|
self.run_command(
|
||
|
|
['fetch', '-q', url] + rev_options.to_args(),
|
||
|
|
cwd=dest,
|
||
|
|
)
|
||
|
|
# Change the revision to the SHA of the ref we fetched
|
||
|
|
rev = 'FETCH_HEAD'
|
||
|
|
self.run_command(['checkout', '-q', rev], cwd=dest)
|
||
|
|
|
||
|
|
#: repo may contain submodules
|
||
|
|
self.update_submodules(dest)
|
||
|
|
|
||
|
|
def get_url(self, location):
|
||
|
|
"""Return URL of the first remote encountered."""
|
||
|
|
remotes = self.run_command(
|
||
|
|
['config', '--get-regexp', r'remote\..*\.url'],
|
||
|
|
show_stdout=False, cwd=location,
|
||
|
|
)
|
||
|
|
remotes = remotes.splitlines()
|
||
|
|
found_remote = remotes[0]
|
||
|
|
for remote in remotes:
|
||
|
|
if remote.startswith('remote.origin.url '):
|
||
|
|
found_remote = remote
|
||
|
|
break
|
||
|
|
url = found_remote.split(' ')[1]
|
||
|
|
return url.strip()
|
||
|
|
|
||
|
|
def get_revision(self, location):
|
||
|
|
current_rev = self.run_command(
|
||
|
|
['rev-parse', 'HEAD'], show_stdout=False, cwd=location,
|
||
|
|
)
|
||
|
|
return current_rev.strip()
|
||
|
|
|
||
|
|
def _get_subdirectory(self, location):
|
||
|
|
"""Return the relative path of setup.py to the git repo root."""
|
||
|
|
# find the repo root
|
||
|
|
git_dir = self.run_command(['rev-parse', '--git-dir'],
|
||
|
|
show_stdout=False, cwd=location).strip()
|
||
|
|
if not os.path.isabs(git_dir):
|
||
|
|
git_dir = os.path.join(location, git_dir)
|
||
|
|
root_dir = os.path.join(git_dir, '..')
|
||
|
|
# find setup.py
|
||
|
|
orig_location = location
|
||
|
|
while not os.path.exists(os.path.join(location, 'setup.py')):
|
||
|
|
last_location = location
|
||
|
|
location = os.path.dirname(location)
|
||
|
|
if location == last_location:
|
||
|
|
# We've traversed up to the root of the filesystem without
|
||
|
|
# finding setup.py
|
||
|
|
logger.warning(
|
||
|
|
"Could not find setup.py for directory %s (tried all "
|
||
|
|
"parent directories)",
|
||
|
|
orig_location,
|
||
|
|
)
|
||
|
|
return None
|
||
|
|
# relative path of setup.py to repo root
|
||
|
|
if samefile(root_dir, location):
|
||
|
|
return None
|
||
|
|
return os.path.relpath(location, root_dir)
|
||
|
|
|
||
|
|
def get_src_requirement(self, dist, location):
|
||
|
|
repo = self.get_url(location)
|
||
|
|
if not repo.lower().startswith('git:'):
|
||
|
|
repo = 'git+' + repo
|
||
|
|
egg_project_name = dist.egg_name().split('-', 1)[0]
|
||
|
|
if not repo:
|
||
|
|
return None
|
||
|
|
current_rev = self.get_revision(location)
|
||
|
|
req = '%s@%s#egg=%s' % (repo, current_rev, egg_project_name)
|
||
|
|
subdirectory = self._get_subdirectory(location)
|
||
|
|
if subdirectory:
|
||
|
|
req += '&subdirectory=' + subdirectory
|
||
|
|
return req
|
||
|
|
|
||
|
|
def get_url_rev(self):
|
||
|
|
"""
|
||
|
|
Prefixes stub URLs like 'user@hostname:user/repo.git' with 'ssh://'.
|
||
|
|
That's required because although they use SSH they sometimes doesn't
|
||
|
|
work with a ssh:// scheme (e.g. Github). But we need a scheme for
|
||
|
|
parsing. Hence we remove it again afterwards and return it as a stub.
|
||
|
|
"""
|
||
|
|
if '://' not in self.url:
|
||
|
|
assert 'file:' not in self.url
|
||
|
|
self.url = self.url.replace('git+', 'git+ssh://')
|
||
|
|
url, rev = super(Git, self).get_url_rev()
|
||
|
|
url = url.replace('ssh://', '')
|
||
|
|
else:
|
||
|
|
url, rev = super(Git, self).get_url_rev()
|
||
|
|
|
||
|
|
return url, rev
|
||
|
|
|
||
|
|
def update_submodules(self, location):
|
||
|
|
if not os.path.exists(os.path.join(location, '.gitmodules')):
|
||
|
|
return
|
||
|
|
self.run_command(
|
||
|
|
['submodule', 'update', '--init', '--recursive', '-q'],
|
||
|
|
cwd=location,
|
||
|
|
)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def controls_location(cls, location):
|
||
|
|
if super(Git, cls).controls_location(location):
|
||
|
|
return True
|
||
|
|
try:
|
||
|
|
r = cls().run_command(['rev-parse'],
|
||
|
|
cwd=location,
|
||
|
|
show_stdout=False,
|
||
|
|
on_returncode='ignore')
|
||
|
|
return not r
|
||
|
|
except BadCommand:
|
||
|
|
logger.debug("could not determine if %s is under git control "
|
||
|
|
"because git is not available", location)
|
||
|
|
return False
|
||
|
|
|
||
|
|
|
||
|
|
vcs.register(Git)
|