diff options
Diffstat (limited to 'meta/lib/bblayers/makesetup.py')
-rw-r--r-- | meta/lib/bblayers/makesetup.py | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/meta/lib/bblayers/makesetup.py b/meta/lib/bblayers/makesetup.py new file mode 100644 index 0000000000..99d5973760 --- /dev/null +++ b/meta/lib/bblayers/makesetup.py @@ -0,0 +1,102 @@ +# +# Copyright OpenEmbedded Contributors +# +# SPDX-License-Identifier: GPL-2.0-only +# + +import logging +import os +import sys + +import bb.utils + +from bblayers.common import LayerPlugin + +logger = logging.getLogger('bitbake-layers') + +sys.path.insert(0, os.path.dirname(os.path.dirname(__file__))) + +import oe.buildcfg + +def plugin_init(plugins): + return MakeSetupPlugin() + +class MakeSetupPlugin(LayerPlugin): + + def _get_remotes_with_url(self, repo_path): + remotes = {} + for r in oe.buildcfg.get_metadata_git_remotes(repo_path): + remotes[r] = {'uri':oe.buildcfg.get_metadata_git_remote_url(repo_path, r)} + return remotes + + def _is_submodule(self, repo_path): + # This is slightly brittle: git does not offer a way to tell whether + # a given repo dir is a submodule checkout, so we need to rely on .git + # being a file (rather than a dir like it is in standalone checkouts). + # The file typically contains a gitdir pointer to elsewhere. + return os.path.isfile(os.path.join(repo_path,".git")) + + def make_repo_config(self, destdir): + """ This is a helper function for the writer plugins that discovers currently configured layers. + The writers do not have to use it, but it can save a bit of work and avoid duplicated code, hence it is + available here. """ + repos = {} + layers = oe.buildcfg.get_layer_revisions(self.tinfoil.config_data) + destdir_repo = oe.buildcfg.get_metadata_git_toplevel(destdir) + + for (l_path, l_name, l_branch, l_rev, l_ismodified) in layers: + if l_name == 'workspace': + continue + if l_ismodified: + logger.error("Layer {name} in {path} has uncommitted modifications or is not in a git repository.".format(name=l_name,path=l_path)) + return + repo_path = oe.buildcfg.get_metadata_git_toplevel(l_path) + + if self._is_submodule(repo_path): + continue + if repo_path not in repos.keys(): + repos[repo_path] = {'path':os.path.basename(repo_path),'git-remote':{ + 'rev':l_rev, + 'branch':l_branch, + 'remotes':self._get_remotes_with_url(repo_path), + 'describe':oe.buildcfg.get_metadata_git_describe(repo_path)}} + if repo_path == destdir_repo: + repos[repo_path]['contains_this_file'] = True + if not repos[repo_path]['git-remote']['remotes'] and not repos[repo_path]['contains_this_file']: + logger.error("Layer repository in {path} does not have any remotes configured. Please add at least one with 'git remote add'.".format(path=repo_path)) + return + + top_path = os.path.commonpath([os.path.dirname(r) for r in repos.keys()]) + + repos_nopaths = {} + for r in repos.keys(): + r_nopath = os.path.basename(r) + repos_nopaths[r_nopath] = repos[r] + r_relpath = os.path.relpath(r, top_path) + repos_nopaths[r_nopath]['path'] = r_relpath + return repos_nopaths + + def do_make_setup(self, args): + """ Writes out a configuration file and/or a script that replicate the directory structure and revisions of the layers in a current build. """ + for p in self.plugins: + if str(p) == args.writer: + p.do_write(self, args) + + def register_commands(self, sp): + parser_setup_layers = self.add_command(sp, 'create-layers-setup', self.do_make_setup, parserecipes=False) + parser_setup_layers.add_argument('destdir', + help='Directory where to write the output\n(if it is inside one of the layers, the layer becomes a bootstrap repository and thus will be excluded from fetching).') + parser_setup_layers.add_argument('--output-prefix', '-o', + help='File name prefix for the output files, if the default (setup-layers) is undesirable.') + + self.plugins = [] + + for path in (self.tinfoil.config_data.getVar('BBPATH').split(':')): + pluginpath = os.path.join(path, 'lib', 'bblayers', 'setupwriters') + bb.utils.load_plugins(logger, self.plugins, pluginpath) + + parser_setup_layers.add_argument('--writer', '-w', choices=[str(p) for p in self.plugins], help="Choose the output format (defaults to oe-setup-layers).\n\nCurrently supported options are:\noe-setup-layers - a self-contained python script and a json config for it.\n\n", default="oe-setup-layers") + + for plugin in self.plugins: + if hasattr(plugin, 'register_arguments'): + plugin.register_arguments(parser_setup_layers) |