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import os
from buildstream import SourceError
from .git_tag import AbstractGitTagSource, GitTagMirror
class GitModuleSource(AbstractGitTagSource):
# pylint: disable=attribute-defined-outside-init
BST_FORMAT_VERSION = 2
BST_REQUIRED_VERSION_MAJOR = 1
BST_REQUIRED_VERSION_MINOR = 3
BST_REQUIRES_PREVIOUS_SOURCES_TRACK = True
BST_REQUIRES_PREVIOUS_SOURCES_FETCH = True
def get_extra_config_keys(self):
return ['path']
def extra_configure(self, node):
ref = self.node_get_member(node, str, 'ref', '') or None
self.path = self.node_get_member(node, str, 'path', None)
if os.path.isabs(self.path):
self.path = os.path.relpath(self.path, '/')
self.mirror = GitTagMirror(self, self.path, self.original_url, ref, primary=True, full_clone=self.full_clone)
def track(self, previous_sources_dir):
# list objects in the parent repo tree to find the commit
# object that corresponds to the submodule
_, output = self.check_output([self.host_git, 'submodule', 'status', self.path],
fail=f"{self}: Failed to run 'git submodule status {self.path}'",
cwd=previous_sources_dir)
fields = output.split()
commit = fields[0].lstrip("-+")
if len(commit) != 40:
raise SourceError(f"{self}: Unexpected output from 'git submodule status'")
return commit
def get_source_fetchers(self):
yield self.mirror
def setup():
return GitModuleSource
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