diff options
| -rw-r--r-- | morphlib/plugins/list_system_contents_plugin.py | 119 | ||||
| -rw-r--r-- | without-test-modules | 1 |
2 files changed, 120 insertions, 0 deletions
diff --git a/morphlib/plugins/list_system_contents_plugin.py b/morphlib/plugins/list_system_contents_plugin.py new file mode 100644 index 00000000..02565620 --- /dev/null +++ b/morphlib/plugins/list_system_contents_plugin.py @@ -0,0 +1,119 @@ +# Copyright (C) 2014 Codethink Ltd. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import cliapp +import contextlib +import fnmatch +import tarfile +import uuid + +import morphlib + +import pdb + + +class ListSystemContentsPlugin(cliapp.Plugin): + '''Annotate the root file system for a given system. + + Command line arguments: + + * `SYSTEM` is the name of a system + + ''' + + def enable(self): + self.app.add_subcommand( + 'list-system-contents', self.list_system_contents, + arg_synopsis='SYSTEM') + + def disable(self): + pass + + def commit_uncommitted_changes(self, system_branch): + # from morphlib/plugins/build_plugin.py + build_uuid = uuid.uuid4().hex + + build_ref_prefix = self.app.settings['build-ref-prefix'] or 'build/' + + self.app.status(msg="Creating temporary build branch") + + build_branch = morphlib.buildbranch.BuildBranch( + system_branch, build_ref_prefix, push_temporary=False) + with contextlib.closing(build_branch) as build_branch: + # These functions return impure generators to do their work + # rather than actually doing what their names suggest. + list(build_branch.add_uncommitted_changes()) + + loader = morphlib.morphloader.MorphologyLoader() + list(build_branch.inject_build_refs(loader)) + + name = morphlib.git.get_user_name(self.app.runcmd) + email = morphlib.git.get_user_email(self.app.runcmd) + list(build_branch.update_build_refs(name, email, build_uuid)) + + return build_branch + + def list_system_contents(self, args): + if len(args) != 1: + raise morphlib.Error("Usage: morph-search-file SYSTEM") + + system_filename = morphlib.util.sanitise_morphology_path(args[0]) + + workspace = morphlib.workspace.open('.') + system_branch = morphlib.sysbranchdir.open_from_within('.') + + build_branch = self.commit_uncommitted_changes(system_branch) + + build_command = morphlib.buildcommand.BuildCommand(self.app) + + source_pool = build_command.create_source_pool( + build_branch.root_repo_url, + build_branch.root_ref, + system_filename) + root_artifact = build_command.resolve_artifacts(source_pool) + + build_command.build_in_order(root_artifact) + + files = dict() + for artifact in root_artifact.walk(): + if artifact.source.morphology['kind'] != 'chunk': + continue + try: + artifact_file = build_command.lac.get(artifact) + contents = morphlib.builder2.get_chunk_files(artifact_file) + for path in contents: + abs_path = '/%s' % path + if abs_path in files: + print 'WARNING: file %s is in more than one chunk!' % abs_path + files[abs_path] = artifact + files.update('/%s' % p for p in contents) + except tarfile.ReadError: + print "Read error for %s" % artifact.name + + def get_stratum_for_chunk(chunk): + for artifact in chunk.dependents: + # Currently it's safe to assume that only the containing + # stratum will be in the chunk artifact's list of dependents. + if artifact.source.morphology['kind'] == 'stratum': + return artifact + raise ValueError( + 'Chunk %s has no stratum in its dependent list!' % chunk) + + for path in sorted(files.iterkeys()): + chunk = files[path] + stratum = get_stratum_for_chunk(chunk) + chunk_in_system = (stratum in root_artifact.dependencies) + present_flag = ' ' if chunk_in_system else 'X' + print '%s %20s: %s' % (present_flag, chunk.name, path) diff --git a/without-test-modules b/without-test-modules index a3aedc45..718afd7f 100644 --- a/without-test-modules +++ b/without-test-modules @@ -31,5 +31,6 @@ morphlib/plugins/print_architecture_plugin.py morphlib/plugins/add_binary_plugin.py morphlib/plugins/push_pull_plugin.py morphlib/plugins/distbuild_plugin.py +morphlib/plugins/list_system_contents_plugin.py # Not unit tested, since it needs a full system branch morphlib/buildbranch.py |