| # Copyright (C) 2008 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. |
| |
| from __future__ import print_function |
| import traceback |
| import errno |
| import filecmp |
| import os |
| import random |
| import re |
| import shutil |
| import stat |
| import subprocess |
| import sys |
| import tempfile |
| import time |
| |
| from color import Coloring |
| from git_command import GitCommand, git_require |
| from git_config import GitConfig, IsId, GetSchemeFromUrl, ID_RE |
| from error import GitError, HookError, UploadError |
| from error import ManifestInvalidRevisionError |
| from error import NoManifestException |
| from trace import IsTrace, Trace |
| |
| from git_refs import GitRefs, HEAD, R_HEADS, R_TAGS, R_PUB, R_M |
| |
| def _lwrite(path, content): |
| lock = '%s.lock' % path |
| |
| fd = open(lock, 'wb') |
| try: |
| fd.write(content) |
| finally: |
| fd.close() |
| |
| try: |
| os.rename(lock, path) |
| except OSError: |
| os.remove(lock) |
| raise |
| |
| def _error(fmt, *args): |
| msg = fmt % args |
| print('error: %s' % msg, file=sys.stderr) |
| |
| def not_rev(r): |
| return '^' + r |
| |
| def sq(r): |
| return "'" + r.replace("'", "'\''") + "'" |
| |
| _project_hook_list = None |
| def _ProjectHooks(): |
| """List the hooks present in the 'hooks' directory. |
| |
| These hooks are project hooks and are copied to the '.git/hooks' directory |
| of all subprojects. |
| |
| This function caches the list of hooks (based on the contents of the |
| 'repo/hooks' directory) on the first call. |
| |
| Returns: |
| A list of absolute paths to all of the files in the hooks directory. |
| """ |
| global _project_hook_list |
| if _project_hook_list is None: |
| d = os.path.abspath(os.path.dirname(__file__)) |
| d = os.path.join(d , 'hooks') |
| _project_hook_list = map(lambda x: os.path.join(d, x), os.listdir(d)) |
| return _project_hook_list |
| |
| |
| class DownloadedChange(object): |
| _commit_cache = None |
| |
| def __init__(self, project, base, change_id, ps_id, commit): |
| self.project = project |
| self.base = base |
| self.change_id = change_id |
| self.ps_id = ps_id |
| self.commit = commit |
| |
| @property |
| def commits(self): |
| if self._commit_cache is None: |
| self._commit_cache = self.project.bare_git.rev_list( |
| '--abbrev=8', |
| '--abbrev-commit', |
| '--pretty=oneline', |
| '--reverse', |
| '--date-order', |
| not_rev(self.base), |
| self.commit, |
| '--') |
| return self._commit_cache |
| |
| |
| class ReviewableBranch(object): |
| _commit_cache = None |
| |
| def __init__(self, project, branch, base): |
| self.project = project |
| self.branch = branch |
| self.base = base |
| |
| @property |
| def name(self): |
| return self.branch.name |
| |
| @property |
| def commits(self): |
| if self._commit_cache is None: |
| self._commit_cache = self.project.bare_git.rev_list( |
| '--abbrev=8', |
| '--abbrev-commit', |
| '--pretty=oneline', |
| '--reverse', |
| '--date-order', |
| not_rev(self.base), |
| R_HEADS + self.name, |
| '--') |
| return self._commit_cache |
| |
| @property |
| def unabbrev_commits(self): |
| r = dict() |
| for commit in self.project.bare_git.rev_list( |
| not_rev(self.base), |
| R_HEADS + self.name, |
| '--'): |
| r[commit[0:8]] = commit |
| return r |
| |
| @property |
| def date(self): |
| return self.project.bare_git.log( |
| '--pretty=format:%cd', |
| '-n', '1', |
| R_HEADS + self.name, |
| '--') |
| |
| def UploadForReview(self, people, auto_topic=False, draft=False): |
| self.project.UploadForReview(self.name, |
| people, |
| auto_topic=auto_topic, |
| draft=draft) |
| |
| def GetPublishedRefs(self): |
| refs = {} |
| output = self.project.bare_git.ls_remote( |
| self.branch.remote.SshReviewUrl(self.project.UserEmail), |
| 'refs/changes/*') |
| for line in output.split('\n'): |
| try: |
| (sha, ref) = line.split() |
| refs[sha] = ref |
| except ValueError: |
| pass |
| |
| return refs |
| |
| class StatusColoring(Coloring): |
| def __init__(self, config): |
| Coloring.__init__(self, config, 'status') |
| self.project = self.printer('header', attr = 'bold') |
| self.branch = self.printer('header', attr = 'bold') |
| self.nobranch = self.printer('nobranch', fg = 'red') |
| self.important = self.printer('important', fg = 'red') |
| |
| self.added = self.printer('added', fg = 'green') |
| self.changed = self.printer('changed', fg = 'red') |
| self.untracked = self.printer('untracked', fg = 'red') |
| |
| |
| class DiffColoring(Coloring): |
| def __init__(self, config): |
| Coloring.__init__(self, config, 'diff') |
| self.project = self.printer('header', attr = 'bold') |
| |
| class _Annotation: |
| def __init__(self, name, value, keep): |
| self.name = name |
| self.value = value |
| self.keep = keep |
| |
| class _CopyFile: |
| def __init__(self, src, dest, abssrc, absdest): |
| self.src = src |
| self.dest = dest |
| self.abs_src = abssrc |
| self.abs_dest = absdest |
| |
| def _Copy(self): |
| src = self.abs_src |
| dest = self.abs_dest |
| # copy file if it does not exist or is out of date |
| if not os.path.exists(dest) or not filecmp.cmp(src, dest): |
| try: |
| # remove existing file first, since it might be read-only |
| if os.path.exists(dest): |
| os.remove(dest) |
| else: |
| dest_dir = os.path.dirname(dest) |
| if not os.path.isdir(dest_dir): |
| os.makedirs(dest_dir) |
| shutil.copy(src, dest) |
| # make the file read-only |
| mode = os.stat(dest)[stat.ST_MODE] |
| mode = mode & ~(stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH) |
| os.chmod(dest, mode) |
| except IOError: |
| _error('Cannot copy file %s to %s', src, dest) |
| |
| class RemoteSpec(object): |
| def __init__(self, |
| name, |
| url = None, |
| review = None): |
| self.name = name |
| self.url = url |
| self.review = review |
| |
| class RepoHook(object): |
| """A RepoHook contains information about a script to run as a hook. |
| |
| Hooks are used to run a python script before running an upload (for instance, |
| to run presubmit checks). Eventually, we may have hooks for other actions. |
| |
| This shouldn't be confused with files in the 'repo/hooks' directory. Those |
| files are copied into each '.git/hooks' folder for each project. Repo-level |
| hooks are associated instead with repo actions. |
| |
| Hooks are always python. When a hook is run, we will load the hook into the |
| interpreter and execute its main() function. |
| """ |
| def __init__(self, |
| hook_type, |
| hooks_project, |
| topdir, |
| abort_if_user_denies=False): |
| """RepoHook constructor. |
| |
| Params: |
| hook_type: A string representing the type of hook. This is also used |
| to figure out the name of the file containing the hook. For |
| example: 'pre-upload'. |
| hooks_project: The project containing the repo hooks. If you have a |
| manifest, this is manifest.repo_hooks_project. OK if this is None, |
| which will make the hook a no-op. |
| topdir: Repo's top directory (the one containing the .repo directory). |
| Scripts will run with CWD as this directory. If you have a manifest, |
| this is manifest.topdir |
| abort_if_user_denies: If True, we'll throw a HookError() if the user |
| doesn't allow us to run the hook. |
| """ |
| self._hook_type = hook_type |
| self._hooks_project = hooks_project |
| self._topdir = topdir |
| self._abort_if_user_denies = abort_if_user_denies |
| |
| # Store the full path to the script for convenience. |
| if self._hooks_project: |
| self._script_fullpath = os.path.join(self._hooks_project.worktree, |
| self._hook_type + '.py') |
| else: |
| self._script_fullpath = None |
| |
| def _GetHash(self): |
| """Return a hash of the contents of the hooks directory. |
| |
| We'll just use git to do this. This hash has the property that if anything |
| changes in the directory we will return a different has. |
| |
| SECURITY CONSIDERATION: |
| This hash only represents the contents of files in the hook directory, not |
| any other files imported or called by hooks. Changes to imported files |
| can change the script behavior without affecting the hash. |
| |
| Returns: |
| A string representing the hash. This will always be ASCII so that it can |
| be printed to the user easily. |
| """ |
| assert self._hooks_project, "Must have hooks to calculate their hash." |
| |
| # We will use the work_git object rather than just calling GetRevisionId(). |
| # That gives us a hash of the latest checked in version of the files that |
| # the user will actually be executing. Specifically, GetRevisionId() |
| # doesn't appear to change even if a user checks out a different version |
| # of the hooks repo (via git checkout) nor if a user commits their own revs. |
| # |
| # NOTE: Local (non-committed) changes will not be factored into this hash. |
| # I think this is OK, since we're really only worried about warning the user |
| # about upstream changes. |
| return self._hooks_project.work_git.rev_parse('HEAD') |
| |
| def _GetMustVerb(self): |
| """Return 'must' if the hook is required; 'should' if not.""" |
| if self._abort_if_user_denies: |
| return 'must' |
| else: |
| return 'should' |
| |
| def _CheckForHookApproval(self): |
| """Check to see whether this hook has been approved. |
| |
| We'll look at the hash of all of the hooks. If this matches the hash that |
| the user last approved, we're done. If it doesn't, we'll ask the user |
| about approval. |
| |
| Note that we ask permission for each individual hook even though we use |
| the hash of all hooks when detecting changes. We'd like the user to be |
| able to approve / deny each hook individually. We only use the hash of all |
| hooks because there is no other easy way to detect changes to local imports. |
| |
| Returns: |
| True if this hook is approved to run; False otherwise. |
| |
| Raises: |
| HookError: Raised if the user doesn't approve and abort_if_user_denies |
| was passed to the consturctor. |
| """ |
| hooks_config = self._hooks_project.config |
| git_approval_key = 'repo.hooks.%s.approvedhash' % self._hook_type |
| |
| # Get the last hash that the user approved for this hook; may be None. |
| old_hash = hooks_config.GetString(git_approval_key) |
| |
| # Get the current hash so we can tell if scripts changed since approval. |
| new_hash = self._GetHash() |
| |
| if old_hash is not None: |
| # User previously approved hook and asked not to be prompted again. |
| if new_hash == old_hash: |
| # Approval matched. We're done. |
| return True |
| else: |
| # Give the user a reason why we're prompting, since they last told |
| # us to "never ask again". |
| prompt = 'WARNING: Scripts have changed since %s was allowed.\n\n' % ( |
| self._hook_type) |
| else: |
| prompt = '' |
| |
| # Prompt the user if we're not on a tty; on a tty we'll assume "no". |
| if sys.stdout.isatty(): |
| prompt += ('Repo %s run the script:\n' |
| ' %s\n' |
| '\n' |
| 'Do you want to allow this script to run ' |
| '(yes/yes-never-ask-again/NO)? ') % ( |
| self._GetMustVerb(), self._script_fullpath) |
| response = raw_input(prompt).lower() |
| print() |
| |
| # User is doing a one-time approval. |
| if response in ('y', 'yes'): |
| return True |
| elif response == 'yes-never-ask-again': |
| hooks_config.SetString(git_approval_key, new_hash) |
| return True |
| |
| # For anything else, we'll assume no approval. |
| if self._abort_if_user_denies: |
| raise HookError('You must allow the %s hook or use --no-verify.' % |
| self._hook_type) |
| |
| return False |
| |
| def _ExecuteHook(self, **kwargs): |
| """Actually execute the given hook. |
| |
| This will run the hook's 'main' function in our python interpreter. |
| |
| Args: |
| kwargs: Keyword arguments to pass to the hook. These are often specific |
| to the hook type. For instance, pre-upload hooks will contain |
| a project_list. |
| """ |
| # Keep sys.path and CWD stashed away so that we can always restore them |
| # upon function exit. |
| orig_path = os.getcwd() |
| orig_syspath = sys.path |
| |
| try: |
| # Always run hooks with CWD as topdir. |
| os.chdir(self._topdir) |
| |
| # Put the hook dir as the first item of sys.path so hooks can do |
| # relative imports. We want to replace the repo dir as [0] so |
| # hooks can't import repo files. |
| sys.path = [os.path.dirname(self._script_fullpath)] + sys.path[1:] |
| |
| # Exec, storing global context in the context dict. We catch exceptions |
| # and convert to a HookError w/ just the failing traceback. |
| context = {} |
| try: |
| execfile(self._script_fullpath, context) |
| except Exception: |
| raise HookError('%s\nFailed to import %s hook; see traceback above.' % ( |
| traceback.format_exc(), self._hook_type)) |
| |
| # Running the script should have defined a main() function. |
| if 'main' not in context: |
| raise HookError('Missing main() in: "%s"' % self._script_fullpath) |
| |
| |
| # Add 'hook_should_take_kwargs' to the arguments to be passed to main. |
| # We don't actually want hooks to define their main with this argument-- |
| # it's there to remind them that their hook should always take **kwargs. |
| # For instance, a pre-upload hook should be defined like: |
| # def main(project_list, **kwargs): |
| # |
| # This allows us to later expand the API without breaking old hooks. |
| kwargs = kwargs.copy() |
| kwargs['hook_should_take_kwargs'] = True |
| |
| # Call the main function in the hook. If the hook should cause the |
| # build to fail, it will raise an Exception. We'll catch that convert |
| # to a HookError w/ just the failing traceback. |
| try: |
| context['main'](**kwargs) |
| except Exception: |
| raise HookError('%s\nFailed to run main() for %s hook; see traceback ' |
| 'above.' % ( |
| traceback.format_exc(), self._hook_type)) |
| finally: |
| # Restore sys.path and CWD. |
| sys.path = orig_syspath |
| os.chdir(orig_path) |
| |
| def Run(self, user_allows_all_hooks, **kwargs): |
| """Run the hook. |
| |
| If the hook doesn't exist (because there is no hooks project or because |
| this particular hook is not enabled), this is a no-op. |
| |
| Args: |
| user_allows_all_hooks: If True, we will never prompt about running the |
| hook--we'll just assume it's OK to run it. |
| kwargs: Keyword arguments to pass to the hook. These are often specific |
| to the hook type. For instance, pre-upload hooks will contain |
| a project_list. |
| |
| Raises: |
| HookError: If there was a problem finding the hook or the user declined |
| to run a required hook (from _CheckForHookApproval). |
| """ |
| # No-op if there is no hooks project or if hook is disabled. |
| if ((not self._hooks_project) or |
| (self._hook_type not in self._hooks_project.enabled_repo_hooks)): |
| return |
| |
| # Bail with a nice error if we can't find the hook. |
| if not os.path.isfile(self._script_fullpath): |
| raise HookError('Couldn\'t find repo hook: "%s"' % self._script_fullpath) |
| |
| # Make sure the user is OK with running the hook. |
| if (not user_allows_all_hooks) and (not self._CheckForHookApproval()): |
| return |
| |
| # Run the hook with the same version of python we're using. |
| self._ExecuteHook(**kwargs) |
| |
| |
| class Project(object): |
| def __init__(self, |
| manifest, |
| name, |
| remote, |
| gitdir, |
| worktree, |
| relpath, |
| revisionExpr, |
| revisionId, |
| rebase = True, |
| groups = None, |
| sync_c = False, |
| sync_s = False, |
| upstream = None, |
| parent = None, |
| is_derived = False): |
| """Init a Project object. |
| |
| Args: |
| manifest: The XmlManifest object. |
| name: The `name` attribute of manifest.xml's project element. |
| remote: RemoteSpec object specifying its remote's properties. |
| gitdir: Absolute path of git directory. |
| worktree: Absolute path of git working tree. |
| relpath: Relative path of git working tree to repo's top directory. |
| revisionExpr: The `revision` attribute of manifest.xml's project element. |
| revisionId: git commit id for checking out. |
| rebase: The `rebase` attribute of manifest.xml's project element. |
| groups: The `groups` attribute of manifest.xml's project element. |
| sync_c: The `sync-c` attribute of manifest.xml's project element. |
| sync_s: The `sync-s` attribute of manifest.xml's project element. |
| upstream: The `upstream` attribute of manifest.xml's project element. |
| parent: The parent Project object. |
| is_derived: False if the project was explicitly defined in the manifest; |
| True if the project is a discovered submodule. |
| """ |
| self.manifest = manifest |
| self.name = name |
| self.remote = remote |
| self.gitdir = gitdir.replace('\\', '/') |
| if worktree: |
| self.worktree = worktree.replace('\\', '/') |
| else: |
| self.worktree = None |
| self.relpath = relpath |
| self.revisionExpr = revisionExpr |
| |
| if revisionId is None \ |
| and revisionExpr \ |
| and IsId(revisionExpr): |
| self.revisionId = revisionExpr |
| else: |
| self.revisionId = revisionId |
| |
| self.rebase = rebase |
| self.groups = groups |
| self.sync_c = sync_c |
| self.sync_s = sync_s |
| self.upstream = upstream |
| self.parent = parent |
| self.is_derived = is_derived |
| self.subprojects = [] |
| |
| self.snapshots = {} |
| self.copyfiles = [] |
| self.annotations = [] |
| self.config = GitConfig.ForRepository( |
| gitdir = self.gitdir, |
| defaults = self.manifest.globalConfig) |
| |
| if self.worktree: |
| self.work_git = self._GitGetByExec(self, bare=False) |
| else: |
| self.work_git = None |
| self.bare_git = self._GitGetByExec(self, bare=True) |
| self.bare_ref = GitRefs(gitdir) |
| |
| # This will be filled in if a project is later identified to be the |
| # project containing repo hooks. |
| self.enabled_repo_hooks = [] |
| |
| @property |
| def Derived(self): |
| return self.is_derived |
| |
| @property |
| def Exists(self): |
| return os.path.isdir(self.gitdir) |
| |
| @property |
| def CurrentBranch(self): |
| """Obtain the name of the currently checked out branch. |
| The branch name omits the 'refs/heads/' prefix. |
| None is returned if the project is on a detached HEAD. |
| """ |
| b = self.work_git.GetHead() |
| if b.startswith(R_HEADS): |
| return b[len(R_HEADS):] |
| return None |
| |
| def IsRebaseInProgress(self): |
| w = self.worktree |
| g = os.path.join(w, '.git') |
| return os.path.exists(os.path.join(g, 'rebase-apply')) \ |
| or os.path.exists(os.path.join(g, 'rebase-merge')) \ |
| or os.path.exists(os.path.join(w, '.dotest')) |
| |
| def IsDirty(self, consider_untracked=True): |
| """Is the working directory modified in some way? |
| """ |
| self.work_git.update_index('-q', |
| '--unmerged', |
| '--ignore-missing', |
| '--refresh') |
| if self.work_git.DiffZ('diff-index', '-M', '--cached', HEAD): |
| return True |
| if self.work_git.DiffZ('diff-files'): |
| return True |
| if consider_untracked and self.work_git.LsOthers(): |
| return True |
| return False |
| |
| _userident_name = None |
| _userident_email = None |
| |
| @property |
| def UserName(self): |
| """Obtain the user's personal name. |
| """ |
| if self._userident_name is None: |
| self._LoadUserIdentity() |
| return self._userident_name |
| |
| @property |
| def UserEmail(self): |
| """Obtain the user's email address. This is very likely |
| to be their Gerrit login. |
| """ |
| if self._userident_email is None: |
| self._LoadUserIdentity() |
| return self._userident_email |
| |
| def _LoadUserIdentity(self): |
| u = self.bare_git.var('GIT_COMMITTER_IDENT') |
| m = re.compile("^(.*) <([^>]*)> ").match(u) |
| if m: |
| self._userident_name = m.group(1) |
| self._userident_email = m.group(2) |
| else: |
| self._userident_name = '' |
| self._userident_email = '' |
| |
| def GetRemote(self, name): |
| """Get the configuration for a single remote. |
| """ |
| return self.config.GetRemote(name) |
| |
| def GetBranch(self, name): |
| """Get the configuration for a single branch. |
| """ |
| return self.config.GetBranch(name) |
| |
| def GetBranches(self): |
| """Get all existing local branches. |
| """ |
| current = self.CurrentBranch |
| all_refs = self._allrefs |
| heads = {} |
| |
| for name, ref_id in all_refs.iteritems(): |
| if name.startswith(R_HEADS): |
| name = name[len(R_HEADS):] |
| b = self.GetBranch(name) |
| b.current = name == current |
| b.published = None |
| b.revision = ref_id |
| heads[name] = b |
| |
| for name, ref_id in all_refs.iteritems(): |
| if name.startswith(R_PUB): |
| name = name[len(R_PUB):] |
| b = heads.get(name) |
| if b: |
| b.published = ref_id |
| |
| return heads |
| |
| def MatchesGroups(self, manifest_groups): |
| """Returns true if the manifest groups specified at init should cause |
| this project to be synced. |
| Prefixing a manifest group with "-" inverts the meaning of a group. |
| All projects are implicitly labelled with "all". |
| |
| labels are resolved in order. In the example case of |
| project_groups: "all,group1,group2" |
| manifest_groups: "-group1,group2" |
| the project will be matched. |
| """ |
| expanded_manifest_groups = manifest_groups or ['all', '-notdefault'] |
| expanded_project_groups = ['all'] + (self.groups or []) |
| |
| matched = False |
| for group in expanded_manifest_groups: |
| if group.startswith('-') and group[1:] in expanded_project_groups: |
| matched = False |
| elif group in expanded_project_groups: |
| matched = True |
| |
| return matched |
| |
| ## Status Display ## |
| |
| def HasChanges(self): |
| """Returns true if there are uncommitted changes. |
| """ |
| self.work_git.update_index('-q', |
| '--unmerged', |
| '--ignore-missing', |
| '--refresh') |
| if self.IsRebaseInProgress(): |
| return True |
| |
| if self.work_git.DiffZ('diff-index', '--cached', HEAD): |
| return True |
| |
| if self.work_git.DiffZ('diff-files'): |
| return True |
| |
| if self.work_git.LsOthers(): |
| return True |
| |
| return False |
| |
| def PrintWorkTreeStatus(self, output_redir=None): |
| """Prints the status of the repository to stdout. |
| |
| Args: |
| output: If specified, redirect the output to this object. |
| """ |
| if not os.path.isdir(self.worktree): |
| if output_redir == None: |
| output_redir = sys.stdout |
| print(file=output_redir) |
| print('project %s/' % self.relpath, file=output_redir) |
| print(' missing (run "repo sync")', file=output_redir) |
| return |
| |
| self.work_git.update_index('-q', |
| '--unmerged', |
| '--ignore-missing', |
| '--refresh') |
| rb = self.IsRebaseInProgress() |
| di = self.work_git.DiffZ('diff-index', '-M', '--cached', HEAD) |
| df = self.work_git.DiffZ('diff-files') |
| do = self.work_git.LsOthers() |
| if not rb and not di and not df and not do and not self.CurrentBranch: |
| return 'CLEAN' |
| |
| out = StatusColoring(self.config) |
| if not output_redir == None: |
| out.redirect(output_redir) |
| out.project('project %-40s', self.relpath + '/') |
| |
| branch = self.CurrentBranch |
| if branch is None: |
| out.nobranch('(*** NO BRANCH ***)') |
| else: |
| out.branch('branch %s', branch) |
| out.nl() |
| |
| if rb: |
| out.important('prior sync failed; rebase still in progress') |
| out.nl() |
| |
| paths = list() |
| paths.extend(di.keys()) |
| paths.extend(df.keys()) |
| paths.extend(do) |
| |
| paths = list(set(paths)) |
| paths.sort() |
| |
| for p in paths: |
| try: |
| i = di[p] |
| except KeyError: |
| i = None |
| |
| try: |
| f = df[p] |
| except KeyError: |
| f = None |
| |
| if i: |
| i_status = i.status.upper() |
| else: |
| i_status = '-' |
| |
| if f: |
| f_status = f.status.lower() |
| else: |
| f_status = '-' |
| |
| if i and i.src_path: |
| line = ' %s%s\t%s => %s (%s%%)' % (i_status, f_status, |
| i.src_path, p, i.level) |
| else: |
| line = ' %s%s\t%s' % (i_status, f_status, p) |
| |
| if i and not f: |
| out.added('%s', line) |
| elif (i and f) or (not i and f): |
| out.changed('%s', line) |
| elif not i and not f: |
| out.untracked('%s', line) |
| else: |
| out.write('%s', line) |
| out.nl() |
| |
| return 'DIRTY' |
| |
| def PrintWorkTreeDiff(self, absolute_paths=False): |
| """Prints the status of the repository to stdout. |
| """ |
| out = DiffColoring(self.config) |
| cmd = ['diff'] |
| if out.is_on: |
| cmd.append('--color') |
| cmd.append(HEAD) |
| if absolute_paths: |
| cmd.append('--src-prefix=a/%s/' % self.relpath) |
| cmd.append('--dst-prefix=b/%s/' % self.relpath) |
| cmd.append('--') |
| p = GitCommand(self, |
| cmd, |
| capture_stdout = True, |
| capture_stderr = True) |
| has_diff = False |
| for line in p.process.stdout: |
| if not has_diff: |
| out.nl() |
| out.project('project %s/' % self.relpath) |
| out.nl() |
| has_diff = True |
| print(line[:-1]) |
| p.Wait() |
| |
| |
| ## Publish / Upload ## |
| |
| def WasPublished(self, branch, all_refs=None): |
| """Was the branch published (uploaded) for code review? |
| If so, returns the SHA-1 hash of the last published |
| state for the branch. |
| """ |
| key = R_PUB + branch |
| if all_refs is None: |
| try: |
| return self.bare_git.rev_parse(key) |
| except GitError: |
| return None |
| else: |
| try: |
| return all_refs[key] |
| except KeyError: |
| return None |
| |
| def CleanPublishedCache(self, all_refs=None): |
| """Prunes any stale published refs. |
| """ |
| if all_refs is None: |
| all_refs = self._allrefs |
| heads = set() |
| canrm = {} |
| for name, ref_id in all_refs.iteritems(): |
| if name.startswith(R_HEADS): |
| heads.add(name) |
| elif name.startswith(R_PUB): |
| canrm[name] = ref_id |
| |
| for name, ref_id in canrm.iteritems(): |
| n = name[len(R_PUB):] |
| if R_HEADS + n not in heads: |
| self.bare_git.DeleteRef(name, ref_id) |
| |
| def GetUploadableBranches(self, selected_branch=None): |
| """List any branches which can be uploaded for review. |
| """ |
| heads = {} |
| pubed = {} |
| |
| for name, ref_id in self._allrefs.iteritems(): |
| if name.startswith(R_HEADS): |
| heads[name[len(R_HEADS):]] = ref_id |
| elif name.startswith(R_PUB): |
| pubed[name[len(R_PUB):]] = ref_id |
| |
| ready = [] |
| for branch, ref_id in heads.iteritems(): |
| if branch in pubed and pubed[branch] == ref_id: |
| continue |
| if selected_branch and branch != selected_branch: |
| continue |
| |
| rb = self.GetUploadableBranch(branch) |
| if rb: |
| ready.append(rb) |
| return ready |
| |
| def GetUploadableBranch(self, branch_name): |
| """Get a single uploadable branch, or None. |
| """ |
| branch = self.GetBranch(branch_name) |
| base = branch.LocalMerge |
| if branch.LocalMerge: |
| rb = ReviewableBranch(self, branch, base) |
| if rb.commits: |
| return rb |
| return None |
| |
| def UploadForReview(self, branch=None, |
| people=([],[]), |
| auto_topic=False, |
| draft=False): |
| """Uploads the named branch for code review. |
| """ |
| if branch is None: |
| branch = self.CurrentBranch |
| if branch is None: |
| raise GitError('not currently on a branch') |
| |
| branch = self.GetBranch(branch) |
| if not branch.LocalMerge: |
| raise GitError('branch %s does not track a remote' % branch.name) |
| if not branch.remote.review: |
| raise GitError('remote %s has no review url' % branch.remote.name) |
| |
| dest_branch = branch.merge |
| if not dest_branch.startswith(R_HEADS): |
| dest_branch = R_HEADS + dest_branch |
| |
| if not branch.remote.projectname: |
| branch.remote.projectname = self.name |
| branch.remote.Save() |
| |
| url = branch.remote.ReviewUrl(self.UserEmail) |
| if url is None: |
| raise UploadError('review not configured') |
| cmd = ['push'] |
| |
| if url.startswith('ssh://'): |
| rp = ['gerrit receive-pack'] |
| for e in people[0]: |
| rp.append('--reviewer=%s' % sq(e)) |
| for e in people[1]: |
| rp.append('--cc=%s' % sq(e)) |
| cmd.append('--receive-pack=%s' % " ".join(rp)) |
| |
| cmd.append(url) |
| |
| if dest_branch.startswith(R_HEADS): |
| dest_branch = dest_branch[len(R_HEADS):] |
| |
| upload_type = 'for' |
| if draft: |
| upload_type = 'drafts' |
| |
| ref_spec = '%s:refs/%s/%s' % (R_HEADS + branch.name, upload_type, |
| dest_branch) |
| if auto_topic: |
| ref_spec = ref_spec + '/' + branch.name |
| if not url.startswith('ssh://'): |
| rp = ['r=%s' % p for p in people[0]] + \ |
| ['cc=%s' % p for p in people[1]] |
| if rp: |
| ref_spec = ref_spec + '%' + ','.join(rp) |
| cmd.append(ref_spec) |
| |
| if GitCommand(self, cmd, bare = True).Wait() != 0: |
| raise UploadError('Upload failed') |
| |
| msg = "posted to %s for %s" % (branch.remote.review, dest_branch) |
| self.bare_git.UpdateRef(R_PUB + branch.name, |
| R_HEADS + branch.name, |
| message = msg) |
| |
| |
| ## Sync ## |
| |
| def Sync_NetworkHalf(self, |
| quiet=False, |
| is_new=None, |
| current_branch_only=False, |
| clone_bundle=True, |
| no_tags=False): |
| """Perform only the network IO portion of the sync process. |
| Local working directory/branch state is not affected. |
| """ |
| if is_new is None: |
| is_new = not self.Exists |
| if is_new: |
| self._InitGitDir() |
| else: |
| self._UpdateHooks() |
| self._InitRemote() |
| |
| if is_new: |
| alt = os.path.join(self.gitdir, 'objects/info/alternates') |
| try: |
| fd = open(alt, 'rb') |
| try: |
| alt_dir = fd.readline().rstrip() |
| finally: |
| fd.close() |
| except IOError: |
| alt_dir = None |
| else: |
| alt_dir = None |
| |
| if clone_bundle \ |
| and alt_dir is None \ |
| and self._ApplyCloneBundle(initial=is_new, quiet=quiet): |
| is_new = False |
| |
| if not current_branch_only: |
| if self.sync_c: |
| current_branch_only = True |
| elif not self.manifest._loaded: |
| # Manifest cannot check defaults until it syncs. |
| current_branch_only = False |
| elif self.manifest.default.sync_c: |
| current_branch_only = True |
| |
| if not self._RemoteFetch(initial=is_new, quiet=quiet, alt_dir=alt_dir, |
| current_branch_only=current_branch_only, |
| no_tags=no_tags): |
| return False |
| |
| if self.worktree: |
| self._InitMRef() |
| else: |
| self._InitMirrorHead() |
| try: |
| os.remove(os.path.join(self.gitdir, 'FETCH_HEAD')) |
| except OSError: |
| pass |
| return True |
| |
| def PostRepoUpgrade(self): |
| self._InitHooks() |
| |
| def _CopyFiles(self): |
| for copyfile in self.copyfiles: |
| copyfile._Copy() |
| |
| def GetRevisionId(self, all_refs=None): |
| if self.revisionId: |
| return self.revisionId |
| |
| rem = self.GetRemote(self.remote.name) |
| rev = rem.ToLocal(self.revisionExpr) |
| |
| if all_refs is not None and rev in all_refs: |
| return all_refs[rev] |
| |
| try: |
| return self.bare_git.rev_parse('--verify', '%s^0' % rev) |
| except GitError: |
| raise ManifestInvalidRevisionError( |
| 'revision %s in %s not found' % (self.revisionExpr, |
| self.name)) |
| |
| def Sync_LocalHalf(self, syncbuf): |
| """Perform only the local IO portion of the sync process. |
| Network access is not required. |
| """ |
| all_refs = self.bare_ref.all |
| self.CleanPublishedCache(all_refs) |
| revid = self.GetRevisionId(all_refs) |
| |
| def _doff(): |
| self._FastForward(revid) |
| self._CopyFiles() |
| |
| self._InitWorkTree() |
| head = self.work_git.GetHead() |
| if head.startswith(R_HEADS): |
| branch = head[len(R_HEADS):] |
| try: |
| head = all_refs[head] |
| except KeyError: |
| head = None |
| else: |
| branch = None |
| |
| if branch is None or syncbuf.detach_head: |
| # Currently on a detached HEAD. The user is assumed to |
| # not have any local modifications worth worrying about. |
| # |
| if self.IsRebaseInProgress(): |
| syncbuf.fail(self, _PriorSyncFailedError()) |
| return |
| |
| if head == revid: |
| # No changes; don't do anything further. |
| # Except if the head needs to be detached |
| # |
| if not syncbuf.detach_head: |
| return |
| else: |
| lost = self._revlist(not_rev(revid), HEAD) |
| if lost: |
| syncbuf.info(self, "discarding %d commits", len(lost)) |
| |
| try: |
| self._Checkout(revid, quiet=True) |
| except GitError as e: |
| syncbuf.fail(self, e) |
| return |
| self._CopyFiles() |
| return |
| |
| if head == revid: |
| # No changes; don't do anything further. |
| # |
| return |
| |
| branch = self.GetBranch(branch) |
| |
| if not branch.LocalMerge: |
| # The current branch has no tracking configuration. |
| # Jump off it to a detached HEAD. |
| # |
| syncbuf.info(self, |
| "leaving %s; does not track upstream", |
| branch.name) |
| try: |
| self._Checkout(revid, quiet=True) |
| except GitError as e: |
| syncbuf.fail(self, e) |
| return |
| self._CopyFiles() |
| return |
| |
| upstream_gain = self._revlist(not_rev(HEAD), revid) |
| pub = self.WasPublished(branch.name, all_refs) |
| if pub: |
| not_merged = self._revlist(not_rev(revid), pub) |
| if not_merged: |
| if upstream_gain: |
| # The user has published this branch and some of those |
| # commits are not yet merged upstream. We do not want |
| # to rewrite the published commits so we punt. |
| # |
| syncbuf.fail(self, |
| "branch %s is published (but not merged) and is now %d commits behind" |
| % (branch.name, len(upstream_gain))) |
| return |
| elif pub == head: |
| # All published commits are merged, and thus we are a |
| # strict subset. We can fast-forward safely. |
| # |
| syncbuf.later1(self, _doff) |
| return |
| |
| # Examine the local commits not in the remote. Find the |
| # last one attributed to this user, if any. |
| # |
| local_changes = self._revlist(not_rev(revid), HEAD, format='%H %ce') |
| last_mine = None |
| cnt_mine = 0 |
| for commit in local_changes: |
| commit_id, committer_email = commit.split(' ', 1) |
| if committer_email == self.UserEmail: |
| last_mine = commit_id |
| cnt_mine += 1 |
| |
| if not upstream_gain and cnt_mine == len(local_changes): |
| return |
| |
| if self.IsDirty(consider_untracked=False): |
| syncbuf.fail(self, _DirtyError()) |
| return |
| |
| # If the upstream switched on us, warn the user. |
| # |
| if branch.merge != self.revisionExpr: |
| if branch.merge and self.revisionExpr: |
| syncbuf.info(self, |
| 'manifest switched %s...%s', |
| branch.merge, |
| self.revisionExpr) |
| elif branch.merge: |
| syncbuf.info(self, |
| 'manifest no longer tracks %s', |
| branch.merge) |
| |
| if cnt_mine < len(local_changes): |
| # Upstream rebased. Not everything in HEAD |
| # was created by this user. |
| # |
| syncbuf.info(self, |
| "discarding %d commits removed from upstream", |
| len(local_changes) - cnt_mine) |
| |
| branch.remote = self.GetRemote(self.remote.name) |
| if not ID_RE.match(self.revisionExpr): |
| # in case of manifest sync the revisionExpr might be a SHA1 |
| branch.merge = self.revisionExpr |
| branch.Save() |
| |
| if cnt_mine > 0 and self.rebase: |
| def _dorebase(): |
| self._Rebase(upstream = '%s^1' % last_mine, onto = revid) |
| self._CopyFiles() |
| syncbuf.later2(self, _dorebase) |
| elif local_changes: |
| try: |
| self._ResetHard(revid) |
| self._CopyFiles() |
| except GitError as e: |
| syncbuf.fail(self, e) |
| return |
| else: |
| syncbuf.later1(self, _doff) |
| |
| def AddCopyFile(self, src, dest, absdest): |
| # dest should already be an absolute path, but src is project relative |
| # make src an absolute path |
| abssrc = os.path.join(self.worktree, src) |
| self.copyfiles.append(_CopyFile(src, dest, abssrc, absdest)) |
| |
| def AddAnnotation(self, name, value, keep): |
| self.annotations.append(_Annotation(name, value, keep)) |
| |
| def DownloadPatchSet(self, change_id, patch_id): |
| """Download a single patch set of a single change to FETCH_HEAD. |
| """ |
| remote = self.GetRemote(self.remote.name) |
| |
| cmd = ['fetch', remote.name] |
| cmd.append('refs/changes/%2.2d/%d/%d' \ |
| % (change_id % 100, change_id, patch_id)) |
| cmd.extend(map(str, remote.fetch)) |
| if GitCommand(self, cmd, bare=True).Wait() != 0: |
| return None |
| return DownloadedChange(self, |
| self.GetRevisionId(), |
| change_id, |
| patch_id, |
| self.bare_git.rev_parse('FETCH_HEAD')) |
| |
| |
| ## Branch Management ## |
| |
| def StartBranch(self, name): |
| """Create a new branch off the manifest's revision. |
| """ |
| head = self.work_git.GetHead() |
| if head == (R_HEADS + name): |
| return True |
| |
| all_refs = self.bare_ref.all |
| if (R_HEADS + name) in all_refs: |
| return GitCommand(self, |
| ['checkout', name, '--'], |
| capture_stdout = True, |
| capture_stderr = True).Wait() == 0 |
| |
| branch = self.GetBranch(name) |
| branch.remote = self.GetRemote(self.remote.name) |
| branch.merge = self.revisionExpr |
| revid = self.GetRevisionId(all_refs) |
| |
| if head.startswith(R_HEADS): |
| try: |
| head = all_refs[head] |
| except KeyError: |
| head = None |
| |
| if revid and head and revid == head: |
| ref = os.path.join(self.gitdir, R_HEADS + name) |
| try: |
| os.makedirs(os.path.dirname(ref)) |
| except OSError: |
| pass |
| _lwrite(ref, '%s\n' % revid) |
| _lwrite(os.path.join(self.worktree, '.git', HEAD), |
| 'ref: %s%s\n' % (R_HEADS, name)) |
| branch.Save() |
| return True |
| |
| if GitCommand(self, |
| ['checkout', '-b', branch.name, revid], |
| capture_stdout = True, |
| capture_stderr = True).Wait() == 0: |
| branch.Save() |
| return True |
| return False |
| |
| def CheckoutBranch(self, name): |
| """Checkout a local topic branch. |
| |
| Args: |
| name: The name of the branch to checkout. |
| |
| Returns: |
| True if the checkout succeeded; False if it didn't; None if the branch |
| didn't exist. |
| """ |
| rev = R_HEADS + name |
| head = self.work_git.GetHead() |
| if head == rev: |
| # Already on the branch |
| # |
| return True |
| |
| all_refs = self.bare_ref.all |
| try: |
| revid = all_refs[rev] |
| except KeyError: |
| # Branch does not exist in this project |
| # |
| return None |
| |
| if head.startswith(R_HEADS): |
| try: |
| head = all_refs[head] |
| except KeyError: |
| head = None |
| |
| if head == revid: |
| # Same revision; just update HEAD to point to the new |
| # target branch, but otherwise take no other action. |
| # |
| _lwrite(os.path.join(self.worktree, '.git', HEAD), |
| 'ref: %s%s\n' % (R_HEADS, name)) |
| return True |
| |
| return GitCommand(self, |
| ['checkout', name, '--'], |
| capture_stdout = True, |
| capture_stderr = True).Wait() == 0 |
| |
| def AbandonBranch(self, name): |
| """Destroy a local topic branch. |
| |
| Args: |
| name: The name of the branch to abandon. |
| |
| Returns: |
| True if the abandon succeeded; False if it didn't; None if the branch |
| didn't exist. |
| """ |
| rev = R_HEADS + name |
| all_refs = self.bare_ref.all |
| if rev not in all_refs: |
| # Doesn't exist |
| return None |
| |
| head = self.work_git.GetHead() |
| if head == rev: |
| # We can't destroy the branch while we are sitting |
| # on it. Switch to a detached HEAD. |
| # |
| head = all_refs[head] |
| |
| revid = self.GetRevisionId(all_refs) |
| if head == revid: |
| _lwrite(os.path.join(self.worktree, '.git', HEAD), |
| '%s\n' % revid) |
| else: |
| self._Checkout(revid, quiet=True) |
| |
| return GitCommand(self, |
| ['branch', '-D', name], |
| capture_stdout = True, |
| capture_stderr = True).Wait() == 0 |
| |
| def PruneHeads(self): |
| """Prune any topic branches already merged into upstream. |
| """ |
| cb = self.CurrentBranch |
| kill = [] |
| left = self._allrefs |
| for name in left.keys(): |
| if name.startswith(R_HEADS): |
| name = name[len(R_HEADS):] |
| if cb is None or name != cb: |
| kill.append(name) |
| |
| rev = self.GetRevisionId(left) |
| if cb is not None \ |
| and not self._revlist(HEAD + '...' + rev) \ |
| and not self.IsDirty(consider_untracked = False): |
| self.work_git.DetachHead(HEAD) |
| kill.append(cb) |
| |
| if kill: |
| old = self.bare_git.GetHead() |
| if old is None: |
| old = 'refs/heads/please_never_use_this_as_a_branch_name' |
| |
| try: |
| self.bare_git.DetachHead(rev) |
| |
| b = ['branch', '-d'] |
| b.extend(kill) |
| b = GitCommand(self, b, bare=True, |
| capture_stdout=True, |
| capture_stderr=True) |
| b.Wait() |
| finally: |
| self.bare_git.SetHead(old) |
| left = self._allrefs |
| |
| for branch in kill: |
| if (R_HEADS + branch) not in left: |
| self.CleanPublishedCache() |
| break |
| |
| if cb and cb not in kill: |
| kill.append(cb) |
| kill.sort() |
| |
| kept = [] |
| for branch in kill: |
| if (R_HEADS + branch) in left: |
| branch = self.GetBranch(branch) |
| base = branch.LocalMerge |
| if not base: |
| base = rev |
| kept.append(ReviewableBranch(self, branch, base)) |
| return kept |
| |
| |
| ## Submodule Management ## |
| |
| def GetRegisteredSubprojects(self): |
| result = [] |
| def rec(subprojects): |
| if not subprojects: |
| return |
| result.extend(subprojects) |
| for p in subprojects: |
| rec(p.subprojects) |
| rec(self.subprojects) |
| return result |
| |
| def _GetSubmodules(self): |
| # Unfortunately we cannot call `git submodule status --recursive` here |
| # because the working tree might not exist yet, and it cannot be used |
| # without a working tree in its current implementation. |
| |
| def get_submodules(gitdir, rev): |
| # Parse .gitmodules for submodule sub_paths and sub_urls |
| sub_paths, sub_urls = parse_gitmodules(gitdir, rev) |
| if not sub_paths: |
| return [] |
| # Run `git ls-tree` to read SHAs of submodule object, which happen to be |
| # revision of submodule repository |
| sub_revs = git_ls_tree(gitdir, rev, sub_paths) |
| submodules = [] |
| for sub_path, sub_url in zip(sub_paths, sub_urls): |
| try: |
| sub_rev = sub_revs[sub_path] |
| except KeyError: |
| # Ignore non-exist submodules |
| continue |
| submodules.append((sub_rev, sub_path, sub_url)) |
| return submodules |
| |
| re_path = re.compile(r'^submodule\.([^.]+)\.path=(.*)$') |
| re_url = re.compile(r'^submodule\.([^.]+)\.url=(.*)$') |
| def parse_gitmodules(gitdir, rev): |
| cmd = ['cat-file', 'blob', '%s:.gitmodules' % rev] |
| try: |
| p = GitCommand(None, cmd, capture_stdout = True, capture_stderr = True, |
| bare = True, gitdir = gitdir) |
| except GitError: |
| return [], [] |
| if p.Wait() != 0: |
| return [], [] |
| |
| gitmodules_lines = [] |
| fd, temp_gitmodules_path = tempfile.mkstemp() |
| try: |
| os.write(fd, p.stdout) |
| os.close(fd) |
| cmd = ['config', '--file', temp_gitmodules_path, '--list'] |
| p = GitCommand(None, cmd, capture_stdout = True, capture_stderr = True, |
| bare = True, gitdir = gitdir) |
| if p.Wait() != 0: |
| return [], [] |
| gitmodules_lines = p.stdout.split('\n') |
| except GitError: |
| return [], [] |
| finally: |
| os.remove(temp_gitmodules_path) |
| |
| names = set() |
| paths = {} |
| urls = {} |
| for line in gitmodules_lines: |
| if not line: |
| continue |
| m = re_path.match(line) |
| if m: |
| names.add(m.group(1)) |
| paths[m.group(1)] = m.group(2) |
| continue |
| m = re_url.match(line) |
| if m: |
| names.add(m.group(1)) |
| urls[m.group(1)] = m.group(2) |
| continue |
| names = sorted(names) |
| return ([paths.get(name, '') for name in names], |
| [urls.get(name, '') for name in names]) |
| |
| def git_ls_tree(gitdir, rev, paths): |
| cmd = ['ls-tree', rev, '--'] |
| cmd.extend(paths) |
| try: |
| p = GitCommand(None, cmd, capture_stdout = True, capture_stderr = True, |
| bare = True, gitdir = gitdir) |
| except GitError: |
| return [] |
| if p.Wait() != 0: |
| return [] |
| objects = {} |
| for line in p.stdout.split('\n'): |
| if not line.strip(): |
| continue |
| object_rev, object_path = line.split()[2:4] |
| objects[object_path] = object_rev |
| return objects |
| |
| try: |
| rev = self.GetRevisionId() |
| except GitError: |
| return [] |
| return get_submodules(self.gitdir, rev) |
| |
| def GetDerivedSubprojects(self): |
| result = [] |
| if not self.Exists: |
| # If git repo does not exist yet, querying its submodules will |
| # mess up its states; so return here. |
| return result |
| for rev, path, url in self._GetSubmodules(): |
| name = self.manifest.GetSubprojectName(self, path) |
| project = self.manifest.projects.get(name) |
| if project: |
| result.extend(project.GetDerivedSubprojects()) |
| continue |
| relpath, worktree, gitdir = self.manifest.GetSubprojectPaths(self, path) |
| remote = RemoteSpec(self.remote.name, |
| url = url, |
| review = self.remote.review) |
| subproject = Project(manifest = self.manifest, |
| name = name, |
| remote = remote, |
| gitdir = gitdir, |
| worktree = worktree, |
| relpath = relpath, |
| revisionExpr = self.revisionExpr, |
| revisionId = rev, |
| rebase = self.rebase, |
| groups = self.groups, |
| sync_c = self.sync_c, |
| sync_s = self.sync_s, |
| parent = self, |
| is_derived = True) |
| result.append(subproject) |
| result.extend(subproject.GetDerivedSubprojects()) |
| return result |
| |
| |
| ## Direct Git Commands ## |
| |
| def _RemoteFetch(self, name=None, |
| current_branch_only=False, |
| initial=False, |
| quiet=False, |
| alt_dir=None, |
| no_tags=False): |
| |
| is_sha1 = False |
| tag_name = None |
| |
| def CheckForSha1(): |
| try: |
| # if revision (sha or tag) is not present then following function |
| # throws an error. |
| self.bare_git.rev_parse('--verify', '%s^0' % self.revisionExpr) |
| return True |
| except GitError: |
| # There is no such persistent revision. We have to fetch it. |
| return False |
| |
| if current_branch_only: |
| if ID_RE.match(self.revisionExpr) is not None: |
| is_sha1 = True |
| elif self.revisionExpr.startswith(R_TAGS): |
| # this is a tag and its sha1 value should never change |
| tag_name = self.revisionExpr[len(R_TAGS):] |
| |
| if is_sha1 or tag_name is not None: |
| if CheckForSha1(): |
| return True |
| if is_sha1 and (not self.upstream or ID_RE.match(self.upstream)): |
| current_branch_only = False |
| |
| if not name: |
| name = self.remote.name |
| |
| ssh_proxy = False |
| remote = self.GetRemote(name) |
| if remote.PreConnectFetch(): |
| ssh_proxy = True |
| |
| if initial: |
| if alt_dir and 'objects' == os.path.basename(alt_dir): |
| ref_dir = os.path.dirname(alt_dir) |
| packed_refs = os.path.join(self.gitdir, 'packed-refs') |
| remote = self.GetRemote(name) |
| |
| all_refs = self.bare_ref.all |
| ids = set(all_refs.values()) |
| tmp = set() |
| |
| for r, ref_id in GitRefs(ref_dir).all.iteritems(): |
| if r not in all_refs: |
| if r.startswith(R_TAGS) or remote.WritesTo(r): |
| all_refs[r] = ref_id |
| ids.add(ref_id) |
| continue |
| |
| if ref_id in ids: |
| continue |
| |
| r = 'refs/_alt/%s' % ref_id |
| all_refs[r] = ref_id |
| ids.add(ref_id) |
| tmp.add(r) |
| |
| ref_names = list(all_refs.keys()) |
| ref_names.sort() |
| |
| tmp_packed = '' |
| old_packed = '' |
| |
| for r in ref_names: |
| line = '%s %s\n' % (all_refs[r], r) |
| tmp_packed += line |
| if r not in tmp: |
| old_packed += line |
| |
| _lwrite(packed_refs, tmp_packed) |
| else: |
| alt_dir = None |
| |
| cmd = ['fetch'] |
| |
| # The --depth option only affects the initial fetch; after that we'll do |
| # full fetches of changes. |
| depth = self.manifest.manifestProject.config.GetString('repo.depth') |
| if depth and initial: |
| cmd.append('--depth=%s' % depth) |
| |
| if quiet: |
| cmd.append('--quiet') |
| if not self.worktree: |
| cmd.append('--update-head-ok') |
| cmd.append(name) |
| |
| if not current_branch_only: |
| # Fetch whole repo |
| if no_tags: |
| cmd.append('--no-tags') |
| else: |
| cmd.append('--tags') |
| cmd.append((u'+refs/heads/*:') + remote.ToLocal('refs/heads/*')) |
| elif tag_name is not None: |
| cmd.append('tag') |
| cmd.append(tag_name) |
| else: |
| branch = self.revisionExpr |
| if is_sha1: |
| branch = self.upstream |
| if branch.startswith(R_HEADS): |
| branch = branch[len(R_HEADS):] |
| cmd.append((u'+refs/heads/%s:' % branch) + remote.ToLocal('refs/heads/%s' % branch)) |
| |
| ok = False |
| for _i in range(2): |
| ret = GitCommand(self, cmd, bare=True, ssh_proxy=ssh_proxy).Wait() |
| if ret == 0: |
| ok = True |
| break |
| elif current_branch_only and is_sha1 and ret == 128: |
| # Exit code 128 means "couldn't find the ref you asked for"; if we're in sha1 |
| # mode, we just tried sync'ing from the upstream field; it doesn't exist, thus |
| # abort the optimization attempt and do a full sync. |
| break |
| time.sleep(random.randint(30, 45)) |
| |
| if initial: |
| if alt_dir: |
| if old_packed != '': |
| _lwrite(packed_refs, old_packed) |
| else: |
| os.remove(packed_refs) |
| self.bare_git.pack_refs('--all', '--prune') |
| |
| if is_sha1 and current_branch_only and self.upstream: |
| # We just synced the upstream given branch; verify we |
| # got what we wanted, else trigger a second run of all |
| # refs. |
| if not CheckForSha1(): |
| return self._RemoteFetch(name=name, current_branch_only=False, |
| initial=False, quiet=quiet, alt_dir=alt_dir) |
| |
| return ok |
| |
| def _ApplyCloneBundle(self, initial=False, quiet=False): |
| if initial and self.manifest.manifestProject.config.GetString('repo.depth'): |
| return False |
| |
| remote = self.GetRemote(self.remote.name) |
| bundle_url = remote.url + '/clone.bundle' |
| bundle_url = GitConfig.ForUser().UrlInsteadOf(bundle_url) |
| if GetSchemeFromUrl(bundle_url) in ('persistent-http', 'persistent-https'): |
| bundle_url = bundle_url[len('persistent-'):] |
| if GetSchemeFromUrl(bundle_url) not in ('http', 'https'): |
| return False |
| |
| bundle_dst = os.path.join(self.gitdir, 'clone.bundle') |
| bundle_tmp = os.path.join(self.gitdir, 'clone.bundle.tmp') |
| |
| exist_dst = os.path.exists(bundle_dst) |
| exist_tmp = os.path.exists(bundle_tmp) |
| |
| if not initial and not exist_dst and not exist_tmp: |
| return False |
| |
| if not exist_dst: |
| exist_dst = self._FetchBundle(bundle_url, bundle_tmp, bundle_dst, quiet) |
| if not exist_dst: |
| return False |
| |
| cmd = ['fetch'] |
| if quiet: |
| cmd.append('--quiet') |
| if not self.worktree: |
| cmd.append('--update-head-ok') |
| cmd.append(bundle_dst) |
| for f in remote.fetch: |
| cmd.append(str(f)) |
| cmd.append('refs/tags/*:refs/tags/*') |
| |
| ok = GitCommand(self, cmd, bare=True).Wait() == 0 |
| if os.path.exists(bundle_dst): |
| os.remove(bundle_dst) |
| if os.path.exists(bundle_tmp): |
| os.remove(bundle_tmp) |
| return ok |
| |
| def _FetchBundle(self, srcUrl, tmpPath, dstPath, quiet): |
| if os.path.exists(dstPath): |
| os.remove(dstPath) |
| |
| cmd = ['curl', '--fail', '--output', tmpPath, '--netrc', '--location'] |
| if quiet: |
| cmd += ['--silent'] |
| if os.path.exists(tmpPath): |
| size = os.stat(tmpPath).st_size |
| if size >= 1024: |
| cmd += ['--continue-at', '%d' % (size,)] |
| else: |
| os.remove(tmpPath) |
| if 'http_proxy' in os.environ and 'darwin' == sys.platform: |
| cmd += ['--proxy', os.environ['http_proxy']] |
| cookiefile = GitConfig.ForUser().GetString('http.cookiefile') |
| if cookiefile: |
| cmd += ['--cookie', cookiefile] |
| cmd += [srcUrl] |
| |
| if IsTrace(): |
| Trace('%s', ' '.join(cmd)) |
| try: |
| proc = subprocess.Popen(cmd) |
| except OSError: |
| return False |
| |
| curlret = proc.wait() |
| |
| if curlret == 22: |
| # From curl man page: |
| # 22: HTTP page not retrieved. The requested url was not found or |
| # returned another error with the HTTP error code being 400 or above. |
| # This return code only appears if -f, --fail is used. |
| if not quiet: |
| print("Server does not provide clone.bundle; ignoring.", |
| file=sys.stderr) |
| return False |
| |
| if os.path.exists(tmpPath): |
| if curlret == 0 and os.stat(tmpPath).st_size > 16: |
| os.rename(tmpPath, dstPath) |
| return True |
| else: |
| os.remove(tmpPath) |
| return False |
| else: |
| return False |
| |
| def _Checkout(self, rev, quiet=False): |
| cmd = ['checkout'] |
| if quiet: |
| cmd.append('-q') |
| cmd.append(rev) |
| cmd.append('--') |
| if GitCommand(self, cmd).Wait() != 0: |
| if self._allrefs: |
| raise GitError('%s checkout %s ' % (self.name, rev)) |
| |
| def _CherryPick(self, rev, quiet=False): |
| cmd = ['cherry-pick'] |
| cmd.append(rev) |
| cmd.append('--') |
| if GitCommand(self, cmd).Wait() != 0: |
| if self._allrefs: |
| raise GitError('%s cherry-pick %s ' % (self.name, rev)) |
| |
| def _Revert(self, rev, quiet=False): |
| cmd = ['revert'] |
| cmd.append('--no-edit') |
| cmd.append(rev) |
| cmd.append('--') |
| if GitCommand(self, cmd).Wait() != 0: |
| if self._allrefs: |
| raise GitError('%s revert %s ' % (self.name, rev)) |
| |
| def _ResetHard(self, rev, quiet=True): |
| cmd = ['reset', '--hard'] |
| if quiet: |
| cmd.append('-q') |
| cmd.append(rev) |
| if GitCommand(self, cmd).Wait() != 0: |
| raise GitError('%s reset --hard %s ' % (self.name, rev)) |
| |
| def _Rebase(self, upstream, onto = None): |
| cmd = ['rebase'] |
| if onto is not None: |
| cmd.extend(['--onto', onto]) |
| cmd.append(upstream) |
| if GitCommand(self, cmd).Wait() != 0: |
| raise GitError('%s rebase %s ' % (self.name, upstream)) |
| |
| def _FastForward(self, head, ffonly=False): |
| cmd = ['merge', head] |
| if ffonly: |
| cmd.append("--ff-only") |
| if GitCommand(self, cmd).Wait() != 0: |
| raise GitError('%s merge %s ' % (self.name, head)) |
| |
| def _InitGitDir(self): |
| if not os.path.exists(self.gitdir): |
| os.makedirs(self.gitdir) |
| self.bare_git.init() |
| |
| mp = self.manifest.manifestProject |
| ref_dir = mp.config.GetString('repo.reference') |
| |
| if ref_dir: |
| mirror_git = os.path.join(ref_dir, self.name + '.git') |
| repo_git = os.path.join(ref_dir, '.repo', 'projects', |
| self.relpath + '.git') |
| |
| if os.path.exists(mirror_git): |
| ref_dir = mirror_git |
| |
| elif os.path.exists(repo_git): |
| ref_dir = repo_git |
| |
| else: |
| ref_dir = None |
| |
| if ref_dir: |
| _lwrite(os.path.join(self.gitdir, 'objects/info/alternates'), |
| os.path.join(ref_dir, 'objects') + '\n') |
| |
| self._UpdateHooks() |
| |
| m = self.manifest.manifestProject.config |
| for key in ['user.name', 'user.email']: |
| if m.Has(key, include_defaults = False): |
| self.config.SetString(key, m.GetString(key)) |
| if self.manifest.IsMirror: |
| self.config.SetString('core.bare', 'true') |
| else: |
| self.config.SetString('core.bare', None) |
| |
| def _UpdateHooks(self): |
| if os.path.exists(self.gitdir): |
| # Always recreate hooks since they can have been changed |
| # since the latest update. |
| hooks = self._gitdir_path('hooks') |
| try: |
| to_rm = os.listdir(hooks) |
| except OSError: |
| to_rm = [] |
| for old_hook in to_rm: |
| os.remove(os.path.join(hooks, old_hook)) |
| self._InitHooks() |
| |
| def _InitHooks(self): |
| hooks = self._gitdir_path('hooks') |
| if not os.path.exists(hooks): |
| os.makedirs(hooks) |
| for stock_hook in _ProjectHooks(): |
| name = os.path.basename(stock_hook) |
| |
| if name in ('commit-msg',) and not self.remote.review \ |
| and not self is self.manifest.manifestProject: |
| # Don't install a Gerrit Code Review hook if this |
| # project does not appear to use it for reviews. |
| # |
| # Since the manifest project is one of those, but also |
| # managed through gerrit, it's excluded |
| continue |
| |
| dst = os.path.join(hooks, name) |
| if os.path.islink(dst): |
| continue |
| if os.path.exists(dst): |
| if filecmp.cmp(stock_hook, dst, shallow=False): |
| os.remove(dst) |
| else: |
| _error("%s: Not replacing %s hook", self.relpath, name) |
| continue |
| try: |
| os.symlink(os.path.relpath(stock_hook, os.path.dirname(dst)), dst) |
| except OSError as e: |
| if e.errno == errno.EPERM: |
| raise GitError('filesystem must support symlinks') |
| else: |
| raise |
| |
| def _InitRemote(self): |
| if self.remote.url: |
| remote = self.GetRemote(self.remote.name) |
| remote.url = self.remote.url |
| remote.review = self.remote.review |
| remote.projectname = self.name |
| |
| if self.worktree: |
| remote.ResetFetch(mirror=False) |
| else: |
| remote.ResetFetch(mirror=True) |
| remote.Save() |
| |
| def _InitMRef(self): |
| if self.manifest.branch: |
| self._InitAnyMRef(R_M + self.manifest.branch) |
| |
| def _InitMirrorHead(self): |
| self._InitAnyMRef(HEAD) |
| |
| def _InitAnyMRef(self, ref): |
| cur = self.bare_ref.symref(ref) |
| |
| if self.revisionId: |
| if cur != '' or self.bare_ref.get(ref) != self.revisionId: |
| msg = 'manifest set to %s' % self.revisionId |
| dst = self.revisionId + '^0' |
| self.bare_git.UpdateRef(ref, dst, message = msg, detach = True) |
| else: |
| remote = self.GetRemote(self.remote.name) |
| dst = remote.ToLocal(self.revisionExpr) |
| if cur != dst: |
| msg = 'manifest set to %s' % self.revisionExpr |
| self.bare_git.symbolic_ref('-m', msg, ref, dst) |
| |
| def _InitWorkTree(self): |
| dotgit = os.path.join(self.worktree, '.git') |
| if not os.path.exists(dotgit): |
| os.makedirs(dotgit) |
| |
| for name in ['config', |
| 'description', |
| 'hooks', |
| 'info', |
| 'logs', |
| 'objects', |
| 'packed-refs', |
| 'refs', |
| 'rr-cache', |
| 'svn']: |
| try: |
| src = os.path.join(self.gitdir, name) |
| dst = os.path.join(dotgit, name) |
| if os.path.islink(dst) or not os.path.exists(dst): |
| os.symlink(os.path.relpath(src, os.path.dirname(dst)), dst) |
| else: |
| raise GitError('cannot overwrite a local work tree') |
| except OSError as e: |
| if e.errno == errno.EPERM: |
| raise GitError('filesystem must support symlinks') |
| else: |
| raise |
| |
| _lwrite(os.path.join(dotgit, HEAD), '%s\n' % self.GetRevisionId()) |
| |
| cmd = ['read-tree', '--reset', '-u'] |
| cmd.append('-v') |
| cmd.append(HEAD) |
| if GitCommand(self, cmd).Wait() != 0: |
| raise GitError("cannot initialize work tree") |
| |
| rr_cache = os.path.join(self.gitdir, 'rr-cache') |
| if not os.path.exists(rr_cache): |
| os.makedirs(rr_cache) |
| |
| self._CopyFiles() |
| |
| def _gitdir_path(self, path): |
| return os.path.join(self.gitdir, path) |
| |
| def _revlist(self, *args, **kw): |
| a = [] |
| a.extend(args) |
| a.append('--') |
| return self.work_git.rev_list(*a, **kw) |
| |
| @property |
| def _allrefs(self): |
| return self.bare_ref.all |
| |
| class _GitGetByExec(object): |
| def __init__(self, project, bare): |
| self._project = project |
| self._bare = bare |
| |
| def LsOthers(self): |
| p = GitCommand(self._project, |
| ['ls-files', |
| '-z', |
| '--others', |
| '--exclude-standard'], |
| bare = False, |
| capture_stdout = True, |
| capture_stderr = True) |
| if p.Wait() == 0: |
| out = p.stdout |
| if out: |
| return out[:-1].split('\0') # pylint: disable=W1401 |
| # Backslash is not anomalous |
| return [] |
| |
| def DiffZ(self, name, *args): |
| cmd = [name] |
| cmd.append('-z') |
| cmd.extend(args) |
| p = GitCommand(self._project, |
| cmd, |
| bare = False, |
| capture_stdout = True, |
| capture_stderr = True) |
| try: |
| out = p.process.stdout.read() |
| r = {} |
| if out: |
| out = iter(out[:-1].split('\0')) # pylint: disable=W1401 |
| while out: |
| try: |
| info = out.next() |
| path = out.next() |
| except StopIteration: |
| break |
| |
| class _Info(object): |
| def __init__(self, path, omode, nmode, oid, nid, state): |
| self.path = path |
| self.src_path = None |
| self.old_mode = omode |
| self.new_mode = nmode |
| self.old_id = oid |
| self.new_id = nid |
| |
| if len(state) == 1: |
| self.status = state |
| self.level = None |
| else: |
| self.status = state[:1] |
| self.level = state[1:] |
| while self.level.startswith('0'): |
| self.level = self.level[1:] |
| |
| info = info[1:].split(' ') |
| info = _Info(path, *info) |
| if info.status in ('R', 'C'): |
| info.src_path = info.path |
| info.path = out.next() |
| r[info.path] = info |
| return r |
| finally: |
| p.Wait() |
| |
| def GetHead(self): |
| if self._bare: |
| path = os.path.join(self._project.gitdir, HEAD) |
| else: |
| path = os.path.join(self._project.worktree, '.git', HEAD) |
| try: |
| fd = open(path, 'rb') |
| except IOError: |
| raise NoManifestException(path) |
| try: |
| line = fd.read() |
| finally: |
| fd.close() |
| if line.startswith('ref: '): |
| return line[5:-1] |
| return line[:-1] |
| |
| def SetHead(self, ref, message=None): |
| cmdv = [] |
| if message is not None: |
| cmdv.extend(['-m', message]) |
| cmdv.append(HEAD) |
| cmdv.append(ref) |
| self.symbolic_ref(*cmdv) |
| |
| def DetachHead(self, new, message=None): |
| cmdv = ['--no-deref'] |
| if message is not None: |
| cmdv.extend(['-m', message]) |
| cmdv.append(HEAD) |
| cmdv.append(new) |
| self.update_ref(*cmdv) |
| |
| def UpdateRef(self, name, new, old=None, |
| message=None, |
| detach=False): |
| cmdv = [] |
| if message is not None: |
| cmdv.extend(['-m', message]) |
| if detach: |
| cmdv.append('--no-deref') |
| cmdv.append(name) |
| cmdv.append(new) |
| if old is not None: |
| cmdv.append(old) |
| self.update_ref(*cmdv) |
| |
| def DeleteRef(self, name, old=None): |
| if not old: |
| old = self.rev_parse(name) |
| self.update_ref('-d', name, old) |
| self._project.bare_ref.deleted(name) |
| |
| def rev_list(self, *args, **kw): |
| if 'format' in kw: |
| cmdv = ['log', '--pretty=format:%s' % kw['format']] |
| else: |
| cmdv = ['rev-list'] |
| cmdv.extend(args) |
| p = GitCommand(self._project, |
| cmdv, |
| bare = self._bare, |
| capture_stdout = True, |
| capture_stderr = True) |
| r = [] |
| for line in p.process.stdout: |
| if line[-1] == '\n': |
| line = line[:-1] |
| r.append(line) |
| if p.Wait() != 0: |
| raise GitError('%s rev-list %s: %s' % ( |
| self._project.name, |
| str(args), |
| p.stderr)) |
| return r |
| |
| def __getattr__(self, name): |
| """Allow arbitrary git commands using pythonic syntax. |
| |
| This allows you to do things like: |
| git_obj.rev_parse('HEAD') |
| |
| Since we don't have a 'rev_parse' method defined, the __getattr__ will |
| run. We'll replace the '_' with a '-' and try to run a git command. |
| Any other positional arguments will be passed to the git command, and the |
| following keyword arguments are supported: |
| config: An optional dict of git config options to be passed with '-c'. |
| |
| Args: |
| name: The name of the git command to call. Any '_' characters will |
| be replaced with '-'. |
| |
| Returns: |
| A callable object that will try to call git with the named command. |
| """ |
| name = name.replace('_', '-') |
| def runner(*args, **kwargs): |
| cmdv = [] |
| config = kwargs.pop('config', None) |
| for k in kwargs: |
| raise TypeError('%s() got an unexpected keyword argument %r' |
| % (name, k)) |
| if config is not None: |
| if not git_require((1, 7, 2)): |
| raise ValueError('cannot set config on command line for %s()' |
| % name) |
| for k, v in config.iteritems(): |
| cmdv.append('-c') |
| cmdv.append('%s=%s' % (k, v)) |
| cmdv.append(name) |
| cmdv.extend(args) |
| p = GitCommand(self._project, |
| cmdv, |
| bare = self._bare, |
| capture_stdout = True, |
| capture_stderr = True) |
| if p.Wait() != 0: |
| raise GitError('%s %s: %s' % ( |
| self._project.name, |
| name, |
| p.stderr)) |
| r = p.stdout |
| if r.endswith('\n') and r.index('\n') == len(r) - 1: |
| return r[:-1] |
| return r |
| return runner |
| |
| |
| class _PriorSyncFailedError(Exception): |
| def __str__(self): |
| return 'prior sync failed; rebase still in progress' |
| |
| class _DirtyError(Exception): |
| def __str__(self): |
| return 'contains uncommitted changes' |
| |
| class _InfoMessage(object): |
| def __init__(self, project, text): |
| self.project = project |
| self.text = text |
| |
| def Print(self, syncbuf): |
| syncbuf.out.info('%s/: %s', self.project.relpath, self.text) |
| syncbuf.out.nl() |
| |
| class _Failure(object): |
| def __init__(self, project, why): |
| self.project = project |
| self.why = why |
| |
| def Print(self, syncbuf): |
| syncbuf.out.fail('error: %s/: %s', |
| self.project.relpath, |
| str(self.why)) |
| syncbuf.out.nl() |
| |
| class _Later(object): |
| def __init__(self, project, action): |
| self.project = project |
| self.action = action |
| |
| def Run(self, syncbuf): |
| out = syncbuf.out |
| out.project('project %s/', self.project.relpath) |
| out.nl() |
| try: |
| self.action() |
| out.nl() |
| return True |
| except GitError: |
| out.nl() |
| return False |
| |
| class _SyncColoring(Coloring): |
| def __init__(self, config): |
| Coloring.__init__(self, config, 'reposync') |
| self.project = self.printer('header', attr = 'bold') |
| self.info = self.printer('info') |
| self.fail = self.printer('fail', fg='red') |
| |
| class SyncBuffer(object): |
| def __init__(self, config, detach_head=False): |
| self._messages = [] |
| self._failures = [] |
| self._later_queue1 = [] |
| self._later_queue2 = [] |
| |
| self.out = _SyncColoring(config) |
| self.out.redirect(sys.stderr) |
| |
| self.detach_head = detach_head |
| self.clean = True |
| |
| def info(self, project, fmt, *args): |
| self._messages.append(_InfoMessage(project, fmt % args)) |
| |
| def fail(self, project, err=None): |
| self._failures.append(_Failure(project, err)) |
| self.clean = False |
| |
| def later1(self, project, what): |
| self._later_queue1.append(_Later(project, what)) |
| |
| def later2(self, project, what): |
| self._later_queue2.append(_Later(project, what)) |
| |
| def Finish(self): |
| self._PrintMessages() |
| self._RunLater() |
| self._PrintMessages() |
| return self.clean |
| |
| def _RunLater(self): |
| for q in ['_later_queue1', '_later_queue2']: |
| if not self._RunQueue(q): |
| return |
| |
| def _RunQueue(self, queue): |
| for m in getattr(self, queue): |
| if not m.Run(self): |
| self.clean = False |
| return False |
| setattr(self, queue, []) |
| return True |
| |
| def _PrintMessages(self): |
| for m in self._messages: |
| m.Print(self) |
| for m in self._failures: |
| m.Print(self) |
| |
| self._messages = [] |
| self._failures = [] |
| |
| |
| class MetaProject(Project): |
| """A special project housed under .repo. |
| """ |
| def __init__(self, manifest, name, gitdir, worktree): |
| Project.__init__(self, |
| manifest = manifest, |
| name = name, |
| gitdir = gitdir, |
| worktree = worktree, |
| remote = RemoteSpec('origin'), |
| relpath = '.repo/%s' % name, |
| revisionExpr = 'refs/heads/master', |
| revisionId = None, |
| groups = None) |
| |
| def PreSync(self): |
| if self.Exists: |
| cb = self.CurrentBranch |
| if cb: |
| base = self.GetBranch(cb).merge |
| if base: |
| self.revisionExpr = base |
| self.revisionId = None |
| |
| def MetaBranchSwitch(self, target): |
| """ Prepare MetaProject for manifest branch switch |
| """ |
| |
| # detach and delete manifest branch, allowing a new |
| # branch to take over |
| syncbuf = SyncBuffer(self.config, detach_head = True) |
| self.Sync_LocalHalf(syncbuf) |
| syncbuf.Finish() |
| |
| return GitCommand(self, |
| ['update-ref', '-d', 'refs/heads/default'], |
| capture_stdout = True, |
| capture_stderr = True).Wait() == 0 |
| |
| |
| @property |
| def LastFetch(self): |
| try: |
| fh = os.path.join(self.gitdir, 'FETCH_HEAD') |
| return os.path.getmtime(fh) |
| except OSError: |
| return 0 |
| |
| @property |
| def HasChanges(self): |
| """Has the remote received new commits not yet checked out? |
| """ |
| if not self.remote or not self.revisionExpr: |
| return False |
| |
| all_refs = self.bare_ref.all |
| revid = self.GetRevisionId(all_refs) |
| head = self.work_git.GetHead() |
| if head.startswith(R_HEADS): |
| try: |
| head = all_refs[head] |
| except KeyError: |
| head = None |
| |
| if revid == head: |
| return False |
| elif self._revlist(not_rev(HEAD), revid): |
| return True |
| return False |