396 lines
14 KiB
Python
396 lines
14 KiB
Python
|
# The following comment should be removed at some point in the future.
|
||
|
|
# mypy: disallow-untyped-defs=False
|
||
|
|
|
||
|
|
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.exceptions import BadCommand
|
||
|
|
from pip._internal.utils.misc import display_path, hide_url
|
||
|
|
from pip._internal.utils.subprocess import make_command
|
||
|
|
from pip._internal.utils.temp_dir import TempDirectory
|
||
|
|
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
|
||
|
|
from pip._internal.vcs.versioncontrol import (
|
||
|
|
RemoteNotFoundError,
|
||
|
|
VersionControl,
|
||
|
|
find_path_to_setup_from_repo_root,
|
||
|
|
vcs,
|
||
|
|
)
|
||
|
|
|
||
|
|
if MYPY_CHECK_RUNNING:
|
||
|
|
from typing import Optional, Tuple
|
||
|
|
from pip._internal.utils.misc import HiddenText
|
||
|
|
from pip._internal.vcs.versioncontrol import AuthInfo, RevOptions
|
||
|
|
|
||
|
|
|
||
|
|
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'
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def get_base_rev_args(rev):
|
||
|
|
return [rev]
|
||
|
|
|
||
|
|
def is_immutable_rev_checkout(self, url, dest):
|
||
|
|
# type: (str, str) -> bool
|
||
|
|
_, rev_options = self.get_url_rev_options(hide_url(url))
|
||
|
|
if not rev_options.rev:
|
||
|
|
return False
|
||
|
|
if not self.is_commit_id_equal(dest, rev_options.rev):
|
||
|
|
# the current commit is different from rev,
|
||
|
|
# which means rev was something else than a commit hash
|
||
|
|
return False
|
||
|
|
# return False in the rare case rev is both a commit hash
|
||
|
|
# and a tag or a branch; we don't want to cache in that case
|
||
|
|
# because that branch/tag could point to something else in the future
|
||
|
|
is_tag_or_branch = bool(
|
||
|
|
self.get_revision_sha(dest, rev_options.rev)[0]
|
||
|
|
)
|
||
|
|
return not is_tag_or_branch
|
||
|
|
|
||
|
|
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 because
|
||
|
|
# 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)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def get_current_branch(cls, location):
|
||
|
|
"""
|
||
|
|
Return the current branch, or None if HEAD isn't at a branch
|
||
|
|
(e.g. detached HEAD).
|
||
|
|
"""
|
||
|
|
# git-symbolic-ref exits with empty stdout if "HEAD" is a detached
|
||
|
|
# HEAD rather than a symbolic ref. In addition, the -q causes the
|
||
|
|
# command to exit with status code 1 instead of 128 in this case
|
||
|
|
# and to suppress the message to stderr.
|
||
|
|
args = ['symbolic-ref', '-q', 'HEAD']
|
||
|
|
output = cls.run_command(
|
||
|
|
args, extra_ok_returncodes=(1, ), show_stdout=False, cwd=location,
|
||
|
|
)
|
||
|
|
ref = output.strip()
|
||
|
|
|
||
|
|
if ref.startswith('refs/heads/'):
|
||
|
|
return ref[len('refs/heads/'):]
|
||
|
|
|
||
|
|
return None
|
||
|
|
|
||
|
|
def export(self, location, url):
|
||
|
|
# type: (str, HiddenText) -> None
|
||
|
|
"""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, url=url)
|
||
|
|
self.run_command(
|
||
|
|
['checkout-index', '-a', '-f', '--prefix', location],
|
||
|
|
show_stdout=False, cwd=temp_dir.path
|
||
|
|
)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def get_revision_sha(cls, dest, rev):
|
||
|
|
"""
|
||
|
|
Return (sha_or_none, is_branch), where sha_or_none is a commit hash
|
||
|
|
if the revision names a remote branch or tag, otherwise None.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
dest: the repository directory.
|
||
|
|
rev: the revision name.
|
||
|
|
"""
|
||
|
|
# Pass rev to pre-filter the list.
|
||
|
|
output = cls.run_command(['show-ref', rev], cwd=dest,
|
||
|
|
show_stdout=False, on_returncode='ignore')
|
||
|
|
refs = {}
|
||
|
|
# NOTE: We do not use splitlines here since that would split on other
|
||
|
|
# unicode separators, which can be maliciously used to install a
|
||
|
|
# different revision.
|
||
|
|
for line in output.strip().split("\n"):
|
||
|
|
line = line.rstrip("\r")
|
||
|
|
if not line:
|
||
|
|
continue
|
||
|
|
try:
|
||
|
|
sha, ref = line.split(" ", maxsplit=2)
|
||
|
|
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)
|
||
|
|
|
||
|
|
sha = refs.get(branch_ref)
|
||
|
|
if sha is not None:
|
||
|
|
return (sha, True)
|
||
|
|
|
||
|
|
sha = refs.get(tag_ref)
|
||
|
|
|
||
|
|
return (sha, False)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def resolve_revision(cls, dest, url, rev_options):
|
||
|
|
# type: (str, HiddenText, RevOptions) -> RevOptions
|
||
|
|
"""
|
||
|
|
Resolve a revision to a new RevOptions object with the SHA1 of the
|
||
|
|
branch, tag, or ref if found.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
rev_options: a RevOptions object.
|
||
|
|
"""
|
||
|
|
rev = rev_options.arg_rev
|
||
|
|
# The arg_rev property's implementation for Git ensures that the
|
||
|
|
# rev return value is always non-None.
|
||
|
|
assert rev is not None
|
||
|
|
|
||
|
|
sha, is_branch = cls.get_revision_sha(dest, rev)
|
||
|
|
|
||
|
|
if sha is not None:
|
||
|
|
rev_options = rev_options.make_new(sha)
|
||
|
|
rev_options.branch_name = rev if is_branch else None
|
||
|
|
|
||
|
|
return rev_options
|
||
|
|
|
||
|
|
# 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,
|
||
|
|
)
|
||
|
|
|
||
|
|
if not rev.startswith('refs/'):
|
||
|
|
return rev_options
|
||
|
|
|
||
|
|
# If it looks like a ref, we have to fetch it explicitly.
|
||
|
|
cls.run_command(
|
||
|
|
make_command('fetch', '-q', url, rev_options.to_args()),
|
||
|
|
cwd=dest,
|
||
|
|
)
|
||
|
|
# Change the revision to the SHA of the ref we fetched
|
||
|
|
sha = cls.get_revision(dest, rev='FETCH_HEAD')
|
||
|
|
rev_options = rev_options.make_new(sha)
|
||
|
|
|
||
|
|
return rev_options
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def is_commit_id_equal(cls, 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 cls.get_revision(dest) == name
|
||
|
|
|
||
|
|
def fetch_new(self, dest, url, rev_options):
|
||
|
|
# type: (str, HiddenText, RevOptions) -> None
|
||
|
|
rev_display = rev_options.to_display()
|
||
|
|
logger.info('Cloning %s%s to %s', url, rev_display, display_path(dest))
|
||
|
|
self.run_command(make_command('clone', '-q', url, dest))
|
||
|
|
|
||
|
|
if rev_options.rev:
|
||
|
|
# Then a specific revision was requested.
|
||
|
|
rev_options = self.resolve_revision(dest, url, rev_options)
|
||
|
|
branch_name = getattr(rev_options, 'branch_name', None)
|
||
|
|
if branch_name is None:
|
||
|
|
# 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):
|
||
|
|
cmd_args = make_command(
|
||
|
|
'checkout', '-q', rev_options.to_args(),
|
||
|
|
)
|
||
|
|
self.run_command(cmd_args, cwd=dest)
|
||
|
|
elif self.get_current_branch(dest) != branch_name:
|
||
|
|
# Then a specific branch was requested, and that branch
|
||
|
|
# is not yet checked out.
|
||
|
|
track_branch = 'origin/{}'.format(branch_name)
|
||
|
|
cmd_args = [
|
||
|
|
'checkout', '-b', branch_name, '--track', track_branch,
|
||
|
|
]
|
||
|
|
self.run_command(cmd_args, cwd=dest)
|
||
|
|
|
||
|
|
#: repo may contain submodules
|
||
|
|
self.update_submodules(dest)
|
||
|
|
|
||
|
|
def switch(self, dest, url, rev_options):
|
||
|
|
# type: (str, HiddenText, RevOptions) -> None
|
||
|
|
self.run_command(
|
||
|
|
make_command('config', 'remote.origin.url', url),
|
||
|
|
cwd=dest,
|
||
|
|
)
|
||
|
|
cmd_args = make_command('checkout', '-q', rev_options.to_args())
|
||
|
|
self.run_command(cmd_args, cwd=dest)
|
||
|
|
|
||
|
|
self.update_submodules(dest)
|
||
|
|
|
||
|
|
def update(self, dest, url, rev_options):
|
||
|
|
# type: (str, HiddenText, RevOptions) -> None
|
||
|
|
# 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.resolve_revision(dest, url, rev_options)
|
||
|
|
cmd_args = make_command('reset', '--hard', '-q', rev_options.to_args())
|
||
|
|
self.run_command(cmd_args, cwd=dest)
|
||
|
|
#: update submodules
|
||
|
|
self.update_submodules(dest)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def get_remote_url(cls, location):
|
||
|
|
"""
|
||
|
|
Return URL of the first remote encountered.
|
||
|
|
|
||
|
|
Raises RemoteNotFoundError if the repository does not have a remote
|
||
|
|
url configured.
|
||
|
|
"""
|
||
|
|
# We need to pass 1 for extra_ok_returncodes since the command
|
||
|
|
# exits with return code 1 if there are no matching lines.
|
||
|
|
stdout = cls.run_command(
|
||
|
|
['config', '--get-regexp', r'remote\..*\.url'],
|
||
|
|
extra_ok_returncodes=(1, ), show_stdout=False, cwd=location,
|
||
|
|
)
|
||
|
|
remotes = stdout.splitlines()
|
||
|
|
try:
|
||
|
|
found_remote = remotes[0]
|
||
|
|
except IndexError:
|
||
|
|
raise RemoteNotFoundError
|
||
|
|
|
||
|
|
for remote in remotes:
|
||
|
|
if remote.startswith('remote.origin.url '):
|
||
|
|
found_remote = remote
|
||
|
|
break
|
||
|
|
url = found_remote.split(' ')[1]
|
||
|
|
return url.strip()
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def get_revision(cls, location, rev=None):
|
||
|
|
if rev is None:
|
||
|
|
rev = 'HEAD'
|
||
|
|
current_rev = cls.run_command(
|
||
|
|
['rev-parse', rev], show_stdout=False, cwd=location,
|
||
|
|
)
|
||
|
|
return current_rev.strip()
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def get_subdirectory(cls, location):
|
||
|
|
"""
|
||
|
|
Return the path to setup.py, relative to the repo root.
|
||
|
|
Return None if setup.py is in the repo root.
|
||
|
|
"""
|
||
|
|
# find the repo root
|
||
|
|
git_dir = cls.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)
|
||
|
|
repo_root = os.path.abspath(os.path.join(git_dir, '..'))
|
||
|
|
return find_path_to_setup_from_repo_root(location, repo_root)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def get_url_rev_and_auth(cls, url):
|
||
|
|
# type: (str) -> Tuple[str, Optional[str], AuthInfo]
|
||
|
|
"""
|
||
|
|
Prefixes stub URLs like 'user@hostname:user/repo.git' with 'ssh://'.
|
||
|
|
That's required because although they use SSH they sometimes don'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.
|
||
|
|
"""
|
||
|
|
# Works around an apparent Git bug
|
||
|
|
# (see https://article.gmane.org/gmane.comp.version-control.git/146500)
|
||
|
|
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),
|
||
|
|
)
|
||
|
|
|
||
|
|
if '://' not in url:
|
||
|
|
assert 'file:' not in url
|
||
|
|
url = url.replace('git+', 'git+ssh://')
|
||
|
|
url, rev, user_pass = super(Git, cls).get_url_rev_and_auth(url)
|
||
|
|
url = url.replace('ssh://', '')
|
||
|
|
else:
|
||
|
|
url, rev, user_pass = super(Git, cls).get_url_rev_and_auth(url)
|
||
|
|
|
||
|
|
return url, rev, user_pass
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def update_submodules(cls, location):
|
||
|
|
if not os.path.exists(os.path.join(location, '.gitmodules')):
|
||
|
|
return
|
||
|
|
cls.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',
|
||
|
|
log_failed_cmd=False)
|
||
|
|
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)
|