| # |
| # 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. |
| |
| import os |
| import sys |
| import xml.dom.minidom |
| |
| from git_config import GitConfig, IsId |
| from project import Project, MetaProject, R_HEADS |
| from remote import Remote |
| from error import ManifestParseError |
| |
| MANIFEST_FILE_NAME = 'manifest.xml' |
| LOCAL_MANIFEST_NAME = 'local_manifest.xml' |
| |
| class _Default(object): |
| """Project defaults within the manifest.""" |
| |
| revision = None |
| remote = None |
| |
| |
| class Manifest(object): |
| """manages the repo configuration file""" |
| |
| def __init__(self, repodir): |
| self.repodir = os.path.abspath(repodir) |
| self.topdir = os.path.dirname(self.repodir) |
| self.manifestFile = os.path.join(self.repodir, MANIFEST_FILE_NAME) |
| self.globalConfig = GitConfig.ForUser() |
| |
| self.repoProject = MetaProject(self, 'repo', |
| gitdir = os.path.join(repodir, 'repo/.git'), |
| worktree = os.path.join(repodir, 'repo')) |
| |
| self.manifestProject = MetaProject(self, 'manifests', |
| gitdir = os.path.join(repodir, 'manifests.git'), |
| worktree = os.path.join(repodir, 'manifests')) |
| |
| self._Unload() |
| |
| def Link(self, name): |
| """Update the repo metadata to use a different manifest. |
| """ |
| path = os.path.join(self.manifestProject.worktree, name) |
| if not os.path.isfile(path): |
| raise ManifestParseError('manifest %s not found' % name) |
| |
| old = self.manifestFile |
| try: |
| self.manifestFile = path |
| self._Unload() |
| self._Load() |
| finally: |
| self.manifestFile = old |
| |
| try: |
| if os.path.exists(self.manifestFile): |
| os.remove(self.manifestFile) |
| os.symlink('manifests/%s' % name, self.manifestFile) |
| except OSError, e: |
| raise ManifestParseError('cannot link manifest %s' % name) |
| |
| @property |
| def projects(self): |
| self._Load() |
| return self._projects |
| |
| @property |
| def remotes(self): |
| self._Load() |
| return self._remotes |
| |
| @property |
| def default(self): |
| self._Load() |
| return self._default |
| |
| @property |
| def IsMirror(self): |
| return self.manifestProject.config.GetBoolean('repo.mirror') |
| |
| def _Unload(self): |
| self._loaded = False |
| self._projects = {} |
| self._remotes = {} |
| self._default = None |
| self.branch = None |
| |
| def _Load(self): |
| if not self._loaded: |
| m = self.manifestProject |
| b = m.GetBranch(m.CurrentBranch).merge |
| if b.startswith(R_HEADS): |
| b = b[len(R_HEADS):] |
| self.branch = b |
| |
| self._ParseManifest(True) |
| |
| local = os.path.join(self.repodir, LOCAL_MANIFEST_NAME) |
| if os.path.exists(local): |
| try: |
| real = self.manifestFile |
| self.manifestFile = local |
| self._ParseManifest(False) |
| finally: |
| self.manifestFile = real |
| |
| if self.IsMirror: |
| self._AddMetaProjectMirror(self.repoProject) |
| self._AddMetaProjectMirror(self.manifestProject) |
| |
| self._loaded = True |
| |
| def _ParseManifest(self, is_root_file): |
| root = xml.dom.minidom.parse(self.manifestFile) |
| if not root or not root.childNodes: |
| raise ManifestParseError, \ |
| "no root node in %s" % \ |
| self.manifestFile |
| |
| config = root.childNodes[0] |
| if config.nodeName != 'manifest': |
| raise ManifestParseError, \ |
| "no <manifest> in %s" % \ |
| self.manifestFile |
| |
| for node in config.childNodes: |
| if node.nodeName == 'remote': |
| remote = self._ParseRemote(node) |
| if self._remotes.get(remote.name): |
| raise ManifestParseError, \ |
| 'duplicate remote %s in %s' % \ |
| (remote.name, self.manifestFile) |
| self._remotes[remote.name] = remote |
| |
| for node in config.childNodes: |
| if node.nodeName == 'default': |
| if self._default is not None: |
| raise ManifestParseError, \ |
| 'duplicate default in %s' % \ |
| (self.manifestFile) |
| self._default = self._ParseDefault(node) |
| if self._default is None: |
| self._default = _Default() |
| |
| for node in config.childNodes: |
| if node.nodeName == 'project': |
| project = self._ParseProject(node) |
| if self._projects.get(project.name): |
| raise ManifestParseError, \ |
| 'duplicate project %s in %s' % \ |
| (project.name, self.manifestFile) |
| self._projects[project.name] = project |
| |
| for node in config.childNodes: |
| if node.nodeName == 'add-remote': |
| pn = self._reqatt(node, 'to-project') |
| project = self._projects.get(pn) |
| if not project: |
| raise ManifestParseError, \ |
| 'project %s not defined in %s' % \ |
| (pn, self.manifestFile) |
| self._ParseProjectExtraRemote(project, node) |
| |
| def _AddMetaProjectMirror(self, m): |
| name = None |
| m_url = m.GetRemote(m.remote.name).url |
| if m_url.endswith('/.git'): |
| raise ManifestParseError, 'refusing to mirror %s' % m_url |
| |
| if self._default and self._default.remote: |
| url = self._default.remote.fetchUrl |
| if not url.endswith('/'): |
| url += '/' |
| if m_url.startswith(url): |
| remote = self._default.remote |
| name = m_url[len(url):] |
| |
| if name is None: |
| s = m_url.rindex('/') + 1 |
| remote = Remote('origin', fetch = m_url[:s]) |
| name = m_url[s:] |
| |
| if name.endswith('.git'): |
| name = name[:-4] |
| |
| if name not in self._projects: |
| m.PreSync() |
| gitdir = os.path.join(self.topdir, '%s.git' % name) |
| project = Project(manifest = self, |
| name = name, |
| remote = remote, |
| gitdir = gitdir, |
| worktree = None, |
| relpath = None, |
| revision = m.revision) |
| self._projects[project.name] = project |
| |
| def _ParseRemote(self, node): |
| """ |
| reads a <remote> element from the manifest file |
| """ |
| name = self._reqatt(node, 'name') |
| fetch = self._reqatt(node, 'fetch') |
| review = node.getAttribute('review') |
| if review == '': |
| review = None |
| |
| projectName = node.getAttribute('project-name') |
| if projectName == '': |
| projectName = None |
| |
| r = Remote(name=name, |
| fetch=fetch, |
| review=review, |
| projectName=projectName) |
| |
| for n in node.childNodes: |
| if n.nodeName == 'require': |
| r.requiredCommits.append(self._reqatt(n, 'commit')) |
| |
| return r |
| |
| def _ParseDefault(self, node): |
| """ |
| reads a <default> element from the manifest file |
| """ |
| d = _Default() |
| d.remote = self._get_remote(node) |
| d.revision = node.getAttribute('revision') |
| if d.revision == '': |
| d.revision = None |
| return d |
| |
| def _ParseProject(self, node): |
| """ |
| reads a <project> element from the manifest file |
| """ |
| name = self._reqatt(node, 'name') |
| |
| remote = self._get_remote(node) |
| if remote is None: |
| remote = self._default.remote |
| if remote is None: |
| raise ManifestParseError, \ |
| "no remote for project %s within %s" % \ |
| (name, self.manifestFile) |
| |
| revision = node.getAttribute('revision') |
| if not revision: |
| revision = self._default.revision |
| if not revision: |
| raise ManifestParseError, \ |
| "no revision for project %s within %s" % \ |
| (name, self.manifestFile) |
| |
| path = node.getAttribute('path') |
| if not path: |
| path = name |
| if path.startswith('/'): |
| raise ManifestParseError, \ |
| "project %s path cannot be absolute in %s" % \ |
| (name, self.manifestFile) |
| |
| if self.IsMirror: |
| relpath = None |
| worktree = None |
| gitdir = os.path.join(self.topdir, '%s.git' % name) |
| else: |
| worktree = os.path.join(self.topdir, path) |
| gitdir = os.path.join(self.repodir, 'projects/%s.git' % path) |
| |
| project = Project(manifest = self, |
| name = name, |
| remote = remote, |
| gitdir = gitdir, |
| worktree = worktree, |
| relpath = path, |
| revision = revision) |
| |
| for n in node.childNodes: |
| if n.nodeName == 'remote': |
| self._ParseProjectExtraRemote(project, n) |
| elif n.nodeName == 'copyfile': |
| self._ParseCopyFile(project, n) |
| |
| return project |
| |
| def _ParseProjectExtraRemote(self, project, n): |
| r = self._ParseRemote(n) |
| if project.extraRemotes.get(r.name) \ |
| or project.remote.name == r.name: |
| raise ManifestParseError, \ |
| 'duplicate remote %s in project %s in %s' % \ |
| (r.name, project.name, self.manifestFile) |
| project.extraRemotes[r.name] = r |
| |
| def _ParseCopyFile(self, project, node): |
| src = self._reqatt(node, 'src') |
| dest = self._reqatt(node, 'dest') |
| if not self.IsMirror: |
| # src is project relative; |
| # dest is relative to the top of the tree |
| project.AddCopyFile(src, os.path.join(self.topdir, dest)) |
| |
| def _get_remote(self, node): |
| name = node.getAttribute('remote') |
| if not name: |
| return None |
| |
| v = self._remotes.get(name) |
| if not v: |
| raise ManifestParseError, \ |
| "remote %s not defined in %s" % \ |
| (name, self.manifestFile) |
| return v |
| |
| def _reqatt(self, node, attname): |
| """ |
| reads a required attribute from the node. |
| """ |
| v = node.getAttribute(attname) |
| if not v: |
| raise ManifestParseError, \ |
| "no %s in <%s> within %s" % \ |
| (attname, node.nodeName, self.manifestFile) |
| return v |
