mirror of
https://gerrit.googlesource.com/git-repo
synced 2024-12-21 07:16:21 +00:00
d4aee6570b
Bug: 302871152 Change-Id: I39636d73a6e1d69efa8ade74f75c5381651e6dc8 Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/390054 Commit-Queue: Mike Frysinger <vapier@google.com> Reviewed-by: Aravind Vasudevan <aravindvasudev@google.com> Tested-by: Mike Frysinger <vapier@google.com>
559 lines
18 KiB
Python
559 lines
18 KiB
Python
# Copyright (C) 2021 The Android Open Source Project
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
"""Provide functionality to get projects and their commit ids from Superproject.
|
|
|
|
For more information on superproject, check out:
|
|
https://en.wikibooks.org/wiki/Git/Submodules_and_Superprojects
|
|
|
|
Examples:
|
|
superproject = Superproject(manifest, name, remote, revision)
|
|
UpdateProjectsResult = superproject.UpdateProjectsRevisionId(projects)
|
|
"""
|
|
|
|
import functools
|
|
import hashlib
|
|
import os
|
|
import sys
|
|
import time
|
|
from typing import NamedTuple
|
|
|
|
from git_command import git_require
|
|
from git_command import GitCommand
|
|
from git_config import RepoConfig
|
|
from git_refs import GitRefs
|
|
|
|
|
|
_SUPERPROJECT_GIT_NAME = "superproject.git"
|
|
_SUPERPROJECT_MANIFEST_NAME = "superproject_override.xml"
|
|
|
|
|
|
class SyncResult(NamedTuple):
|
|
"""Return the status of sync and whether caller should exit."""
|
|
|
|
# Whether the superproject sync was successful.
|
|
success: bool
|
|
# Whether the caller should exit.
|
|
fatal: bool
|
|
|
|
|
|
class CommitIdsResult(NamedTuple):
|
|
"""Return the commit ids and whether caller should exit."""
|
|
|
|
# A dictionary with the projects/commit ids on success, otherwise None.
|
|
commit_ids: dict
|
|
# Whether the caller should exit.
|
|
fatal: bool
|
|
|
|
|
|
class UpdateProjectsResult(NamedTuple):
|
|
"""Return the overriding manifest file and whether caller should exit."""
|
|
|
|
# Path name of the overriding manifest file if successful, otherwise None.
|
|
manifest_path: str
|
|
# Whether the caller should exit.
|
|
fatal: bool
|
|
|
|
|
|
class Superproject:
|
|
"""Get commit ids from superproject.
|
|
|
|
Initializes a local copy of a superproject for the manifest. This allows
|
|
lookup of commit ids for all projects. It contains _project_commit_ids which
|
|
is a dictionary with project/commit id entries.
|
|
"""
|
|
|
|
def __init__(
|
|
self,
|
|
manifest,
|
|
name,
|
|
remote,
|
|
revision,
|
|
superproject_dir="exp-superproject",
|
|
):
|
|
"""Initializes superproject.
|
|
|
|
Args:
|
|
manifest: A Manifest object that is to be written to a file.
|
|
name: The unique name of the superproject
|
|
remote: The RemoteSpec for the remote.
|
|
revision: The name of the git branch to track.
|
|
superproject_dir: Relative path under |manifest.subdir| to checkout
|
|
superproject.
|
|
"""
|
|
self._project_commit_ids = None
|
|
self._manifest = manifest
|
|
self.name = name
|
|
self.remote = remote
|
|
self.revision = self._branch = revision
|
|
self._repodir = manifest.repodir
|
|
self._superproject_dir = superproject_dir
|
|
self._superproject_path = manifest.SubmanifestInfoDir(
|
|
manifest.path_prefix, superproject_dir
|
|
)
|
|
self._manifest_path = os.path.join(
|
|
self._superproject_path, _SUPERPROJECT_MANIFEST_NAME
|
|
)
|
|
git_name = hashlib.md5(remote.name.encode("utf8")).hexdigest() + "-"
|
|
self._remote_url = remote.url
|
|
self._work_git_name = git_name + _SUPERPROJECT_GIT_NAME
|
|
self._work_git = os.path.join(
|
|
self._superproject_path, self._work_git_name
|
|
)
|
|
|
|
# The following are command arguemnts, rather than superproject
|
|
# attributes, and were included here originally. They should eventually
|
|
# become arguments that are passed down from the public methods, instead
|
|
# of being treated as attributes.
|
|
self._git_event_log = None
|
|
self._quiet = False
|
|
self._print_messages = False
|
|
|
|
def SetQuiet(self, value):
|
|
"""Set the _quiet attribute."""
|
|
self._quiet = value
|
|
|
|
def SetPrintMessages(self, value):
|
|
"""Set the _print_messages attribute."""
|
|
self._print_messages = value
|
|
|
|
@property
|
|
def project_commit_ids(self):
|
|
"""Returns a dictionary of projects and their commit ids."""
|
|
return self._project_commit_ids
|
|
|
|
@property
|
|
def manifest_path(self):
|
|
"""Returns the manifest path if the path exists or None."""
|
|
return (
|
|
self._manifest_path if os.path.exists(self._manifest_path) else None
|
|
)
|
|
|
|
def _LogMessage(self, fmt, *inputs):
|
|
"""Logs message to stderr and _git_event_log."""
|
|
message = f"{self._LogMessagePrefix()} {fmt.format(*inputs)}"
|
|
if self._print_messages:
|
|
print(message, file=sys.stderr)
|
|
self._git_event_log.ErrorEvent(message, fmt)
|
|
|
|
def _LogMessagePrefix(self):
|
|
"""Returns the prefix string to be logged in each log message"""
|
|
return (
|
|
f"repo superproject branch: {self._branch} url: {self._remote_url}"
|
|
)
|
|
|
|
def _LogError(self, fmt, *inputs):
|
|
"""Logs error message to stderr and _git_event_log."""
|
|
self._LogMessage(f"error: {fmt}", *inputs)
|
|
|
|
def _LogWarning(self, fmt, *inputs):
|
|
"""Logs warning message to stderr and _git_event_log."""
|
|
self._LogMessage(f"warning: {fmt}", *inputs)
|
|
|
|
def _Init(self):
|
|
"""Sets up a local Git repository to get a copy of a superproject.
|
|
|
|
Returns:
|
|
True if initialization is successful, or False.
|
|
"""
|
|
if not os.path.exists(self._superproject_path):
|
|
os.mkdir(self._superproject_path)
|
|
if not self._quiet and not os.path.exists(self._work_git):
|
|
print(
|
|
"%s: Performing initial setup for superproject; this might "
|
|
"take several minutes." % self._work_git
|
|
)
|
|
cmd = ["init", "--bare", self._work_git_name]
|
|
p = GitCommand(
|
|
None,
|
|
cmd,
|
|
cwd=self._superproject_path,
|
|
capture_stdout=True,
|
|
capture_stderr=True,
|
|
)
|
|
retval = p.Wait()
|
|
if retval:
|
|
self._LogWarning(
|
|
"git init call failed, command: git {}, "
|
|
"return code: {}, stderr: {}",
|
|
cmd,
|
|
retval,
|
|
p.stderr,
|
|
)
|
|
return False
|
|
return True
|
|
|
|
def _Fetch(self):
|
|
"""Fetches a superproject for the manifest based on |_remote_url|.
|
|
|
|
This runs git fetch which stores a local copy the superproject.
|
|
|
|
Returns:
|
|
True if fetch is successful, or False.
|
|
"""
|
|
if not os.path.exists(self._work_git):
|
|
self._LogWarning("git fetch missing directory: {}", self._work_git)
|
|
return False
|
|
if not git_require((2, 28, 0)):
|
|
self._LogWarning(
|
|
"superproject requires a git version 2.28 or later"
|
|
)
|
|
return False
|
|
cmd = [
|
|
"fetch",
|
|
self._remote_url,
|
|
"--depth",
|
|
"1",
|
|
"--force",
|
|
"--no-tags",
|
|
"--filter",
|
|
"blob:none",
|
|
]
|
|
|
|
# Check if there is a local ref that we can pass to --negotiation-tip.
|
|
# If this is the first fetch, it does not exist yet.
|
|
# We use --negotiation-tip to speed up the fetch. Superproject branches
|
|
# do not share commits. So this lets git know it only needs to send
|
|
# commits reachable from the specified local refs.
|
|
rev_commit = GitRefs(self._work_git).get(f"refs/heads/{self.revision}")
|
|
if rev_commit:
|
|
cmd.extend(["--negotiation-tip", rev_commit])
|
|
|
|
if self._branch:
|
|
cmd += [self._branch + ":" + self._branch]
|
|
p = GitCommand(
|
|
None,
|
|
cmd,
|
|
cwd=self._work_git,
|
|
capture_stdout=True,
|
|
capture_stderr=True,
|
|
)
|
|
retval = p.Wait()
|
|
if retval:
|
|
self._LogWarning(
|
|
"git fetch call failed, command: git {}, "
|
|
"return code: {}, stderr: {}",
|
|
cmd,
|
|
retval,
|
|
p.stderr,
|
|
)
|
|
return False
|
|
return True
|
|
|
|
def _LsTree(self):
|
|
"""Gets the commit ids for all projects.
|
|
|
|
Works only in git repositories.
|
|
|
|
Returns:
|
|
data: data returned from 'git ls-tree ...' instead of None.
|
|
"""
|
|
if not os.path.exists(self._work_git):
|
|
self._LogWarning(
|
|
"git ls-tree missing directory: {}", self._work_git
|
|
)
|
|
return None
|
|
data = None
|
|
branch = "HEAD" if not self._branch else self._branch
|
|
cmd = ["ls-tree", "-z", "-r", branch]
|
|
|
|
p = GitCommand(
|
|
None,
|
|
cmd,
|
|
cwd=self._work_git,
|
|
capture_stdout=True,
|
|
capture_stderr=True,
|
|
)
|
|
retval = p.Wait()
|
|
if retval == 0:
|
|
data = p.stdout
|
|
else:
|
|
self._LogWarning(
|
|
"git ls-tree call failed, command: git {}, "
|
|
"return code: {}, stderr: {}",
|
|
cmd,
|
|
retval,
|
|
p.stderr,
|
|
)
|
|
return data
|
|
|
|
def Sync(self, git_event_log):
|
|
"""Gets a local copy of a superproject for the manifest.
|
|
|
|
Args:
|
|
git_event_log: an EventLog, for git tracing.
|
|
|
|
Returns:
|
|
SyncResult
|
|
"""
|
|
self._git_event_log = git_event_log
|
|
if not self._manifest.superproject:
|
|
self._LogWarning(
|
|
"superproject tag is not defined in manifest: {}",
|
|
self._manifest.manifestFile,
|
|
)
|
|
return SyncResult(False, False)
|
|
|
|
_PrintBetaNotice()
|
|
|
|
should_exit = True
|
|
if not self._remote_url:
|
|
self._LogWarning(
|
|
"superproject URL is not defined in manifest: {}",
|
|
self._manifest.manifestFile,
|
|
)
|
|
return SyncResult(False, should_exit)
|
|
|
|
if not self._Init():
|
|
return SyncResult(False, should_exit)
|
|
if not self._Fetch():
|
|
return SyncResult(False, should_exit)
|
|
if not self._quiet:
|
|
print(
|
|
"%s: Initial setup for superproject completed." % self._work_git
|
|
)
|
|
return SyncResult(True, False)
|
|
|
|
def _GetAllProjectsCommitIds(self):
|
|
"""Get commit ids for all projects from superproject and save them.
|
|
|
|
Commit ids are saved in _project_commit_ids.
|
|
|
|
Returns:
|
|
CommitIdsResult
|
|
"""
|
|
sync_result = self.Sync(self._git_event_log)
|
|
if not sync_result.success:
|
|
return CommitIdsResult(None, sync_result.fatal)
|
|
|
|
data = self._LsTree()
|
|
if not data:
|
|
self._LogWarning(
|
|
"git ls-tree failed to return data for manifest: {}",
|
|
self._manifest.manifestFile,
|
|
)
|
|
return CommitIdsResult(None, True)
|
|
|
|
# Parse lines like the following to select lines starting with '160000'
|
|
# and build a dictionary with project path (last element) and its commit
|
|
# id (3rd element).
|
|
#
|
|
# 160000 commit 2c2724cb36cd5a9cec6c852c681efc3b7c6b86ea\tart\x00
|
|
# 120000 blob acc2cbdf438f9d2141f0ae424cec1d8fc4b5d97f\tbootstrap.bash\x00 # noqa: E501
|
|
commit_ids = {}
|
|
for line in data.split("\x00"):
|
|
ls_data = line.split(None, 3)
|
|
if not ls_data:
|
|
break
|
|
if ls_data[0] == "160000":
|
|
commit_ids[ls_data[3]] = ls_data[2]
|
|
|
|
self._project_commit_ids = commit_ids
|
|
return CommitIdsResult(commit_ids, False)
|
|
|
|
def _WriteManifestFile(self):
|
|
"""Writes manifest to a file.
|
|
|
|
Returns:
|
|
manifest_path: Path name of the file into which manifest is written
|
|
instead of None.
|
|
"""
|
|
if not os.path.exists(self._superproject_path):
|
|
self._LogWarning(
|
|
"missing superproject directory: {}", self._superproject_path
|
|
)
|
|
return None
|
|
manifest_str = self._manifest.ToXml(
|
|
groups=self._manifest.GetGroupsStr(), omit_local=True
|
|
).toxml()
|
|
manifest_path = self._manifest_path
|
|
try:
|
|
with open(manifest_path, "w", encoding="utf-8") as fp:
|
|
fp.write(manifest_str)
|
|
except IOError as e:
|
|
self._LogError("cannot write manifest to : {} {}", manifest_path, e)
|
|
return None
|
|
return manifest_path
|
|
|
|
def _SkipUpdatingProjectRevisionId(self, project):
|
|
"""Checks if a project's revision id needs to be updated or not.
|
|
|
|
Revision id for projects from local manifest will not be updated.
|
|
|
|
Args:
|
|
project: project whose revision id is being updated.
|
|
|
|
Returns:
|
|
True if a project's revision id should not be updated, or False,
|
|
"""
|
|
path = project.relpath
|
|
if not path:
|
|
return True
|
|
# Skip the project with revisionId.
|
|
if project.revisionId:
|
|
return True
|
|
# Skip the project if it comes from the local manifest.
|
|
return project.manifest.IsFromLocalManifest(project)
|
|
|
|
def UpdateProjectsRevisionId(self, projects, git_event_log):
|
|
"""Update revisionId of every project in projects with the commit id.
|
|
|
|
Args:
|
|
projects: a list of projects whose revisionId needs to be updated.
|
|
git_event_log: an EventLog, for git tracing.
|
|
|
|
Returns:
|
|
UpdateProjectsResult
|
|
"""
|
|
self._git_event_log = git_event_log
|
|
commit_ids_result = self._GetAllProjectsCommitIds()
|
|
commit_ids = commit_ids_result.commit_ids
|
|
if not commit_ids:
|
|
return UpdateProjectsResult(None, commit_ids_result.fatal)
|
|
|
|
projects_missing_commit_ids = []
|
|
for project in projects:
|
|
if self._SkipUpdatingProjectRevisionId(project):
|
|
continue
|
|
path = project.relpath
|
|
commit_id = commit_ids.get(path)
|
|
if not commit_id:
|
|
projects_missing_commit_ids.append(path)
|
|
|
|
# If superproject doesn't have a commit id for a project, then report an
|
|
# error event and continue as if do not use superproject is specified.
|
|
if projects_missing_commit_ids:
|
|
self._LogWarning(
|
|
"please file a bug using {} to report missing "
|
|
"commit_ids for: {}",
|
|
self._manifest.contactinfo.bugurl,
|
|
projects_missing_commit_ids,
|
|
)
|
|
return UpdateProjectsResult(None, False)
|
|
|
|
for project in projects:
|
|
if not self._SkipUpdatingProjectRevisionId(project):
|
|
project.SetRevisionId(commit_ids.get(project.relpath))
|
|
|
|
manifest_path = self._WriteManifestFile()
|
|
return UpdateProjectsResult(manifest_path, False)
|
|
|
|
|
|
@functools.lru_cache(maxsize=10)
|
|
def _PrintBetaNotice():
|
|
"""Print the notice of beta status."""
|
|
print(
|
|
"NOTICE: --use-superproject is in beta; report any issues to the "
|
|
"address described in `repo version`",
|
|
file=sys.stderr,
|
|
)
|
|
|
|
|
|
@functools.lru_cache(maxsize=None)
|
|
def _UseSuperprojectFromConfiguration():
|
|
"""Returns the user choice of whether to use superproject."""
|
|
user_cfg = RepoConfig.ForUser()
|
|
time_now = int(time.time())
|
|
|
|
user_value = user_cfg.GetBoolean("repo.superprojectChoice")
|
|
if user_value is not None:
|
|
user_expiration = user_cfg.GetInt("repo.superprojectChoiceExpire")
|
|
if (
|
|
user_expiration is None
|
|
or user_expiration <= 0
|
|
or user_expiration >= time_now
|
|
):
|
|
# TODO(b/190688390) - Remove prompt when we are comfortable with the
|
|
# new default value.
|
|
if user_value:
|
|
print(
|
|
(
|
|
"You are currently enrolled in Git submodules "
|
|
"experiment (go/android-submodules-quickstart). Use "
|
|
"--no-use-superproject to override.\n"
|
|
),
|
|
file=sys.stderr,
|
|
)
|
|
else:
|
|
print(
|
|
(
|
|
"You are not currently enrolled in Git submodules "
|
|
"experiment (go/android-submodules-quickstart). Use "
|
|
"--use-superproject to override.\n"
|
|
),
|
|
file=sys.stderr,
|
|
)
|
|
return user_value
|
|
|
|
# We don't have an unexpired choice, ask for one.
|
|
system_cfg = RepoConfig.ForSystem()
|
|
system_value = system_cfg.GetBoolean("repo.superprojectChoice")
|
|
if system_value:
|
|
# The system configuration is proposing that we should enable the
|
|
# use of superproject. Treat the user as enrolled for two weeks.
|
|
#
|
|
# TODO(b/190688390) - Remove prompt when we are comfortable with the new
|
|
# default value.
|
|
userchoice = True
|
|
time_choiceexpire = time_now + (86400 * 14)
|
|
user_cfg.SetString(
|
|
"repo.superprojectChoiceExpire", str(time_choiceexpire)
|
|
)
|
|
user_cfg.SetBoolean("repo.superprojectChoice", userchoice)
|
|
print(
|
|
"You are automatically enrolled in Git submodules experiment "
|
|
"(go/android-submodules-quickstart) for another two weeks.\n",
|
|
file=sys.stderr,
|
|
)
|
|
return True
|
|
|
|
# For all other cases, we would not use superproject by default.
|
|
return False
|
|
|
|
|
|
def PrintMessages(use_superproject, manifest):
|
|
"""Returns a boolean if error/warning messages are to be printed.
|
|
|
|
Args:
|
|
use_superproject: option value from optparse.
|
|
manifest: manifest to use.
|
|
"""
|
|
return use_superproject is not None or bool(manifest.superproject)
|
|
|
|
|
|
def UseSuperproject(use_superproject, manifest):
|
|
"""Returns a boolean if use-superproject option is enabled.
|
|
|
|
Args:
|
|
use_superproject: option value from optparse.
|
|
manifest: manifest to use.
|
|
|
|
Returns:
|
|
Whether the superproject should be used.
|
|
"""
|
|
|
|
if not manifest.superproject:
|
|
# This (sub) manifest does not have a superproject definition.
|
|
return False
|
|
elif use_superproject is not None:
|
|
return use_superproject
|
|
else:
|
|
client_value = manifest.manifestProject.use_superproject
|
|
if client_value is not None:
|
|
return client_value
|
|
elif manifest.superproject:
|
|
return _UseSuperprojectFromConfiguration()
|
|
else:
|
|
return False
|