| # |
| # 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 RemoteSpec, Project, MetaProject, R_HEADS, HEAD |
| from error import ManifestParseError |
| |
| MANIFEST_FILE_NAME = 'manifest.xml' |
| LOCAL_MANIFEST_NAME = 'local_manifest.xml' |
| |
| class _Default(object): |
| """Project defaults within the manifest.""" |
| |
| revisionExpr = None |
| remote = None |
| |
| class _XmlRemote(object): |
| def __init__(self, |
| name, |
| fetch=None, |
| review=None): |
| self.name = name |
| self.fetchUrl = fetch |
| self.reviewUrl = review |
| |
| def ToRemoteSpec(self, projectName): |
| url = self.fetchUrl |
| while url.endswith('/'): |
| url = url[:-1] |
| url += '/%s.git' % projectName |
| return RemoteSpec(self.name, url, self.reviewUrl) |
| |
| class XmlManifest(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 Override(self, name): |
| """Use a different manifest, just for the current instantiation. |
| """ |
| 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 |
| |
| def Link(self, name): |
| """Update the repo metadata to use a different manifest. |
| """ |
| self.Override(name) |
| |
| 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) |
| |
| def _RemoteToXml(self, r, doc, root): |
| e = doc.createElement('remote') |
| root.appendChild(e) |
| e.setAttribute('name', r.name) |
| e.setAttribute('fetch', r.fetchUrl) |
| if r.reviewUrl is not None: |
| e.setAttribute('review', r.reviewUrl) |
| |
| def Save(self, fd, peg_rev=False): |
| """Write the current manifest out to the given file descriptor. |
| """ |
| doc = xml.dom.minidom.Document() |
| root = doc.createElement('manifest') |
| doc.appendChild(root) |
| |
| d = self.default |
| sort_remotes = list(self.remotes.keys()) |
| sort_remotes.sort() |
| |
| for r in sort_remotes: |
| self._RemoteToXml(self.remotes[r], doc, root) |
| if self.remotes: |
| root.appendChild(doc.createTextNode('')) |
| |
| have_default = False |
| e = doc.createElement('default') |
| if d.remote: |
| have_default = True |
| e.setAttribute('remote', d.remote.name) |
| if d.revisionExpr: |
| have_default = True |
| e.setAttribute('revision', d.revisionExpr) |
| if have_default: |
| root.appendChild(e) |
| root.appendChild(doc.createTextNode('')) |
| |
| if self._manifest_server: |
| e = doc.createElement('manifest-server') |
| e.setAttribute('url', self._manifest_server) |
| root.appendChild(e) |
| root.appendChild(doc.createTextNode('')) |
| |
| sort_projects = list(self.projects.keys()) |
| sort_projects.sort() |
| |
| for p in sort_projects: |
| p = self.projects[p] |
| e = doc.createElement('project') |
| root.appendChild(e) |
| e.setAttribute('name', p.name) |
| if p.relpath != p.name: |
| e.setAttribute('path', p.relpath) |
| if not d.remote or p.remote.name != d.remote.name: |
| e.setAttribute('remote', p.remote.name) |
| if peg_rev: |
| if self.IsMirror: |
| e.setAttribute('revision', |
| p.bare_git.rev_parse(p.revisionExpr + '^0')) |
| else: |
| e.setAttribute('revision', |
| p.work_git.rev_parse(HEAD + '^0')) |
| elif not d.revisionExpr or p.revisionExpr != d.revisionExpr: |
| e.setAttribute('revision', p.revisionExpr) |
| |
| for c in p.copyfiles: |
| ce = doc.createElement('copyfile') |
| ce.setAttribute('src', c.src) |
| ce.setAttribute('dest', c.dest) |
| e.appendChild(ce) |
| |
| doc.writexml(fd, '', ' ', '\n', 'UTF-8') |
| |
| @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 manifest_server(self): |
| self._Load() |
| return self._manifest_server |
| |
| @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 |
| self._manifest_server = None |
| |
| def _Load(self): |
| if not self._loaded: |
| m = self.manifestProject |
| b = m.GetBranch(m.CurrentBranch).merge |
| if b is not None and 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 == 'remove-project': |
| name = self._reqatt(node, 'name') |
| try: |
| del self._projects[name] |
| except KeyError: |
| raise ManifestParseError, \ |
| 'project %s not found' % \ |
| (name) |
| |
| 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 == 'manifest-server': |
| url = self._reqatt(node, 'url') |
| if self._manifest_server is not None: |
| raise ManifestParseError, \ |
| 'duplicate manifest-server in %s' % \ |
| (self.manifestFile) |
| self._manifest_server = url |
| |
| 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 |
| |
| 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 = _XmlRemote('origin', 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.ToRemoteSpec(name), |
| gitdir = gitdir, |
| worktree = None, |
| relpath = None, |
| revisionExpr = m.revisionExpr, |
| revisionId = None) |
| 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 |
| return _XmlRemote(name, fetch, review) |
| |
| def _ParseDefault(self, node): |
| """ |
| reads a <default> element from the manifest file |
| """ |
| d = _Default() |
| d.remote = self._get_remote(node) |
| d.revisionExpr = node.getAttribute('revision') |
| if d.revisionExpr == '': |
| d.revisionExpr = 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) |
| |
| revisionExpr = node.getAttribute('revision') |
| if not revisionExpr: |
| revisionExpr = self._default.revisionExpr |
| if not revisionExpr: |
| 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.ToRemoteSpec(name), |
| gitdir = gitdir, |
| worktree = worktree, |
| relpath = path, |
| revisionExpr = revisionExpr, |
| revisionId = None) |
| |
| for n in node.childNodes: |
| if n.nodeName == 'copyfile': |
| self._ParseCopyFile(project, n) |
| |
| return project |
| |
| 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, dest, 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 |