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superproject: Don't exit if superproject tag doesn't exist in manifest.

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Don't exit if there are missing commit ids in superproject.

This change implements the following suggestion from delphij@:

"we should note the event (so we know that --use-superproject but there
 were some errors, e.g. manifest didn't specify commit id for some
 reason, or if there is no superproject but --use-superproject is
 used), print out a message telling the use that this is not support,
 but continue as if --no-use-superproject was specified?"

Changes:

superproject:
+ Added git_trace2_event_log as an argument to the constructor.
+ Sync method returns SyncResult a NamedTuple of
  ++ success - True if sync of superproject is successful, or False.
  ++ fatal - True if caller should exit, Or False.
+ UpdateProjectsRevisionId returns UpdateProjectsResult a NamedTuple of
   ++ manifest_path - path name of the overriding manifest file instead
      of None
   ++ fatal - True if caller should exit, Or False
+ _GetAllProjectsCommitIds returns CommitIdsResult a NamedTuple of
  ++ commit_ids - a dictionary with the projects/commit ids on success,
     otherwise None
  ++ fatal - True if caller should exit, Or False
+ Added  _SkipUpdatingProjectRevisionId a helper function to see if a
  project's revision id needs to be updated or not. This function is
  used to exclude projects from local manifest file.
+ Added the following error events into git_trace2_event_log
  ++ If superproject is missing in a manifest
  ++ If there are missing commit ids for projects.

command.py:
+ Deleted unused import - platform
+ Added git_trace2_event_log as a member so all subcmds can log error
  events.

main.py:
+ Initialized git_trace2_event_log as a member of command object.

init.py:
+ Deleted unused import - optparse

init.py:
+ Called sys.exit only if Sync returns exit=True

sync.py:
+ Called sys.exit only if Superproject's UpdateProjectsRevisionId returns
  exit=True
+ Reloaded the manifest only if manifest path is returned by
  UpdateProjectsRevisionId. If not, fall back to the old way of doing
  repo sync.

test_git_superproject:
+ Added code to verify error events are being logged.
+ Added a test for no superproject tag
+ Added test for UpdateProjectsRevisionId not updating the revision id
  with the commit ids.

Tested the code with the following commands.

+ Positive test case with aosp-master.
  $ repo_dev init -u persistent-https://android.git.corp.google.com/platform/manifest -b master --use-superproject
  NOTICE: --use-superproject is in beta; report any issues to the address described in `repo version`
  .../android/aosp/.repo/exp-superproject/925043f706ba64db713e9bf3b55987e2-superproject.git: Initial setup for superproject completed.

  Your identity is: Raman Tenneti <rtenneti@google.com>
  If you want to change this, please re-run 'repo init' with --config-name

  repo has been initialized in .../android/aosp

  $ repo_dev sync -j40 --use-superproject
  remote: Total 12 (delta 4), reused 12 (delta 4)
  NOTICE: --use-superproject is in beta; report any issues to the address described in `repo version`
  .../android/aosp/.repo/exp-superproject/925043f706ba64db713e9bf3b55987e2-superproject.git: Initial setup for superproject completed.
  ...
  repo sync has finished successfully.

+ Negative test case without superproject tag.
  $ repo_dev sync -j40 --use-superproject
  NOTICE: --use-superproject is in beta; report any issues to the address described in `repo version`
  repo error: superproject tag is not defined in manifest: .../android/aosp/.repo/manifest.xml
  error: Cannot get project commit ids from manifest
  error: Update of revsionId from superproject has failed. Please resync with --no-use-superproject option
  ...
  Checking out: 100% (1022/1022), done in 3.589s
  repo sync has finished successfully.

+ Test for missing commit_id for a project.
  $ repo_dev sync -j40 --use-superproject
  NOTICE: --use-superproject is in beta; report any issues to the address described in `repo version`
  .../android/aosp/.repo/exp-superproject/925043f706ba64db713e9bf3b55987e2-superproject.git: Initial setup for superproject completed.
  error: please file a bug using go/repo-bug to report missing commit_ids for: ['build/blueprint']
  error: Update of revsionId from superproject has failed. Please resync with --no-use-superproject option
  ...
  Checking out: 100% (1022/1022), done in 3.364s
  repo sync has finished successfully.

$ ./run_tests -v
  ...
  ...== 164 passed in 2.87s ==...

Bug: [google internal] b/189371541
Change-Id: I5ea49f87e8fa41be590fc0c914573e16c8cdfcfa
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/309162
Tested-by: Raman Tenneti <rtenneti@google.com>
Reviewed-by: Mike Frysinger <vapier@google.com>
This commit is contained in:
Raman Tenneti
2021-06-11 17:29:45 -07:00
parent b8c84483a5
commit 784e16f3aa
6 changed files with 225 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

118
git_superproject.py
View File

@@ -19,12 +19,13 @@ https://en.wikibooks.org/wiki/Git/Submodules_and_Superprojects
Examples:
superproject = Superproject()
project_commit_ids = superproject.UpdateProjectsRevisionId(projects)
UpdateProjectsResult = superproject.UpdateProjectsRevisionId(projects)
"""
import hashlib
import os
import sys
from typing import NamedTuple
from git_command import git_require, GitCommand
from git_refs import R_HEADS
@@ -34,6 +35,33 @@ _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 manfiest file if successful, otherwise None.
manifest_path: str
# Whether the caller should exit.
fatal: bool
class Superproject(object):
"""Get commit ids from superproject.
@@ -41,19 +69,21 @@ class Superproject(object):
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, repodir, superproject_dir='exp-superproject',
quiet=False):
def __init__(self, manifest, repodir, git_event_log,
superproject_dir='exp-superproject', quiet=False):
"""Initializes superproject.
Args:
manifest: A Manifest object that is to be written to a file.
repodir: Path to the .repo/ dir for holding all internal checkout state.
It must be in the top directory of the repo client checkout.
git_event_log: A git trace2 event log to log events.
superproject_dir: Relative path under |repodir| to checkout superproject.
quiet: If True then only print the progress messages.
"""
self._project_commit_ids = None
self._manifest = manifest
self._git_event_log = git_event_log
self._quiet = quiet
self._branch = self._GetBranch()
self._repodir = os.path.abspath(repodir)
@@ -172,44 +202,48 @@ class Superproject(object):
"""Gets a local copy of a superproject for the manifest.
Returns:
True if sync of superproject is successful, or False.
SyncResult
"""
print('NOTICE: --use-superproject is in beta; report any issues to the '
'address described in `repo version`', file=sys.stderr)
if not self._manifest.superproject:
print('error: superproject tag is not defined in manifest',
file=sys.stderr)
return False
msg = (f'repo error: superproject tag is not defined in manifest: '
f'{self._manifest.manifestFile}')
print(msg, file=sys.stderr)
self._git_event_log.ErrorEvent(msg, '')
return SyncResult(False, False)
should_exit = True
url = self._manifest.superproject['remote'].url
if not url:
print('error: superproject URL is not defined in manifest',
file=sys.stderr)
return False
return SyncResult(False, should_exit)
if not self._Init():
return False
return SyncResult(False, should_exit)
if not self._Fetch(url):
return False
return SyncResult(False, should_exit)
if not self._quiet:
print('%s: Initial setup for superproject completed.' % self._work_git)
return True
return SyncResult(True, False)
def _GetAllProjectsCommitIds(self):
"""Get commit ids for all projects from superproject and save them in _project_commit_ids.
Returns:
A dictionary with the projects/commit ids on success, otherwise None.
CommitIdsResult
"""
if not self.Sync():
return None
sync_result = self.Sync()
if not sync_result.success:
return CommitIdsResult(None, sync_result.fatal)
data = self._LsTree()
if not data:
print('error: git ls-tree failed to return data for superproject',
file=sys.stderr)
return None
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).
@@ -225,7 +259,7 @@ class Superproject(object):
commit_ids[ls_data[3]] = ls_data[2]
self._project_commit_ids = commit_ids
return commit_ids
return CommitIdsResult(commit_ids, False)
def _WriteManfiestFile(self):
"""Writes manifest to a file.
@@ -250,6 +284,23 @@ class Superproject(object):
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 if it comes from the local manifest.
return any(s.startswith(LOCAL_MANIFEST_GROUP_PREFIX) for s in project.groups)
def UpdateProjectsRevisionId(self, projects):
"""Update revisionId of every project in projects with the commit id.
@@ -257,30 +308,35 @@ class Superproject(object):
projects: List of projects whose revisionId needs to be updated.
Returns:
manifest_path: Path name of the overriding manfiest file instead of None.
UpdateProjectsResult
"""
commit_ids = self._GetAllProjectsCommitIds()
commit_ids_result = self._GetAllProjectsCommitIds()
commit_ids = commit_ids_result.commit_ids
if not commit_ids:
print('error: Cannot get project commit ids from manifest', file=sys.stderr)
return None
return UpdateProjectsResult(None, commit_ids_result.fatal)
projects_missing_commit_ids = []
for project in projects:
if self._SkipUpdatingProjectRevisionId(project):
continue
path = project.relpath
if not path:
continue
# Skip the project if it comes from local manifest.
if any(s.startswith(LOCAL_MANIFEST_GROUP_PREFIX) for s in project.groups):
continue
commit_id = commit_ids.get(path)
if commit_id:
project.SetRevisionId(commit_id)
else:
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:
print('error: please file a bug using %s to report missing commit_ids for: %s' %
(self._manifest.contactinfo.bugurl, projects_missing_commit_ids), file=sys.stderr)
return None
msg = (f'error: please file a bug using {self._manifest.contactinfo.bugurl} '
f'to report missing commit_ids for: {projects_missing_commit_ids}')
print(msg, file=sys.stderr)
self._git_event_log.ErrorEvent(msg, '')
return UpdateProjectsResult(None, False)
for project in projects:
if not self._SkipUpdatingProjectRevisionId(project):
project.SetRevisionId(commit_ids.get(project.relpath))
manifest_path = self._WriteManfiestFile()
return manifest_path
return UpdateProjectsResult(manifest_path, False)