diff options
Diffstat (limited to 'buildstream/plugins/elements/compose.py')
| -rw-r--r-- | buildstream/plugins/elements/compose.py | 44 |
1 files changed, 16 insertions, 28 deletions
diff --git a/buildstream/plugins/elements/compose.py b/buildstream/plugins/elements/compose.py index 0e666c6e5..2a5979828 100644 --- a/buildstream/plugins/elements/compose.py +++ b/buildstream/plugins/elements/compose.py @@ -1,4 +1,3 @@ -#!/usr/bin/env python3 # # Copyright (C) 2017 Codethink Limited # @@ -18,8 +17,9 @@ # Authors: # Tristan Van Berkom <tristan.vanberkom@codethink.co.uk> -"""Compose element - +""" +compose - Compose the output of multiple elements +================================================= This element creates a selective composition of its dependencies. This is normally used at near the end of a pipeline to prepare @@ -34,7 +34,6 @@ The default configuration and possible options are as such: """ import os -from buildstream import utils from buildstream import Element, Scope @@ -56,6 +55,9 @@ class ComposeElement(Element): # added, to reduce the potential for confusion BST_FORBID_SOURCES = True + # This plugin has been modified to avoid the use of Sandbox.get_directory + BST_VIRTUAL_DIRECTORY = True + def configure(self, node): self.node_validate(node, [ 'integrate', 'include', 'exclude', 'include-orphans' @@ -104,7 +106,8 @@ class ComposeElement(Element): orphans=self.include_orphans) manifest.update(files) - basedir = sandbox.get_directory() + # Make a snapshot of all the files. + vbasedir = sandbox.get_virtual_directory() modified_files = set() removed_files = set() added_files = set() @@ -116,38 +119,24 @@ class ComposeElement(Element): if require_split: # Make a snapshot of all the files before integration-commands are run. - snapshot = { - f: getmtime(os.path.join(basedir, f)) - for f in utils.list_relative_paths(basedir) - } + snapshot = set(vbasedir.list_relative_paths()) + vbasedir.mark_unmodified() for dep in self.dependencies(Scope.BUILD): dep.integrate(sandbox) if require_split: - # Calculate added, modified and removed files - basedir_contents = set(utils.list_relative_paths(basedir)) + post_integration_snapshot = vbasedir.list_relative_paths() + modified_files = set(vbasedir.list_modified_paths()) + basedir_contents = set(post_integration_snapshot) for path in manifest: - if path in basedir_contents: - if path in snapshot: - preintegration_mtime = snapshot[path] - if preintegration_mtime != getmtime(os.path.join(basedir, path)): - modified_files.add(path) - else: - # If the path appears in the manifest but not the initial snapshot, - # it may be a file staged inside a directory symlink. In this case - # the path we got from the manifest won't show up in the snapshot - # because utils.list_relative_paths() doesn't recurse into symlink - # directories. - pass - elif path in snapshot: + if path in snapshot and path not in basedir_contents: removed_files.add(path) for path in basedir_contents: if path not in snapshot: added_files.add(path) - self.info("Integration modified {}, added {} and removed {} files" .format(len(modified_files), len(added_files), len(removed_files))) @@ -166,8 +155,7 @@ class ComposeElement(Element): # instead of into a subdir. The element assemble() method should # support this in some way. # - installdir = os.path.join(basedir, 'buildstream', 'install') - os.makedirs(installdir, exist_ok=True) + installdir = vbasedir.descend(['buildstream', 'install'], create=True) # We already saved the manifest for created files in the integration phase, # now collect the rest of the manifest. @@ -191,7 +179,7 @@ class ComposeElement(Element): with self.timed_activity("Creating composition", detail=detail, silent_nested=True): self.info("Composing {} files".format(len(manifest))) - utils.link_files(basedir, installdir, files=manifest) + installdir.import_files(vbasedir, files=manifest, can_link=True) # And we're done return os.path.join(os.sep, 'buildstream', 'install') |