# Copyright (c) 2013 The Chromium OS Authors. # # SPDX-License-Identifier: GPL-2.0+ # import multiprocessing import os import sys import board import bsettings from builder import Builder import gitutil import patchstream import terminal import toolchain import command import subprocess def GetPlural(count): """Returns a plural 's' if count is not 1""" return 's' if count != 1 else '' def GetActionSummary(is_summary, commits, selected, options): """Return a string summarising the intended action. Returns: Summary string. """ if commits: count = len(commits) count = (count + options.step - 1) / options.step commit_str = '%d commit%s' % (count, GetPlural(count)) else: commit_str = 'current source' str = '%s %s for %d boards' % ( 'Summary of' if is_summary else 'Building', commit_str, len(selected)) str += ' (%d thread%s, %d job%s per thread)' % (options.threads, GetPlural(options.threads), options.jobs, GetPlural(options.jobs)) return str def ShowActions(series, why_selected, boards_selected, builder, options): """Display a list of actions that we would take, if not a dry run. Args: series: Series object why_selected: Dictionary where each key is a buildman argument provided by the user, and the value is the boards brought in by that argument. For example, 'arm' might bring in 400 boards, so in this case the key would be 'arm' and the value would be a list of board names. boards_selected: Dict of selected boards, key is target name, value is Board object builder: The builder that will be used to build the commits options: Command line options object """ col = terminal.Color() print 'Dry run, so not doing much. But I would do this:' print if series: commits = series.commits else: commits = None print GetActionSummary(False, commits, boards_selected, options) print 'Build directory: %s' % builder.base_dir if commits: for upto in range(0, len(series.commits), options.step): commit = series.commits[upto] print ' ', col.Color(col.YELLOW, commit.hash, bright=False), print commit.subject print for arg in why_selected: if arg != 'all': print arg, ': %d boards' % why_selected[arg] print ('Total boards to build for each commit: %d\n' % why_selected['all']) def DoBuildman(options, args): """The main control code for buildman Args: options: Command line options object args: Command line arguments (list of strings) """ gitutil.Setup() bsettings.Setup(options.config_file) options.git_dir = os.path.join(options.git, '.git') toolchains = toolchain.Toolchains() toolchains.Scan(options.list_tool_chains) if options.list_tool_chains: toolchains.List() print return # Work out how many commits to build. We want to build everything on the # branch. We also build the upstream commit as a control so we can see # problems introduced by the first commit on the branch. col = terminal.Color() count = options.count if count == -1: if not options.branch: count = 1 else: count = gitutil.CountCommitsInBranch(options.git_dir, options.branch) if count is None: str = ("Branch '%s' not found or has no upstream" % options.branch) print col.Color(col.RED, str) sys.exit(1) count += 1 # Build upstream commit also if not count: str = ("No commits found to process in branch '%s': " "set branch's upstream or use -c flag" % options.branch) print col.Color(col.RED, str) sys.exit(1) # Work out what subset of the boards we are building board_file = os.path.join(options.git, 'boards.cfg') if not os.path.exists(board_file): print 'Could not find %s' % board_file status = subprocess.call([os.path.join(options.git, 'tools/genboardscfg.py')]) if status != 0: print >> sys.stderr, "Failed to generate boards.cfg" sys.exit(1) boards = board.Boards() boards.ReadBoards(os.path.join(options.git, 'boards.cfg')) why_selected = boards.SelectBoards(args) selected = boards.GetSelected() if not len(selected): print col.Color(col.RED, 'No matching boards found') sys.exit(1) # Read the metadata from the commits. First look at the upstream commit, # then the ones in the branch. We would like to do something like # upstream/master~..branch but that isn't possible if upstream/master is # a merge commit (it will list all the commits that form part of the # merge) if options.branch: if count == -1: range_expr = gitutil.GetRangeInBranch(options.git_dir, options.branch) upstream_commit = gitutil.GetUpstream(options.git_dir, options.branch) series = patchstream.GetMetaDataForList(upstream_commit, options.git_dir, 1) # Conflicting tags are not a problem for buildman, since it does # not use them. For example, Series-version is not useful for # buildman. On the other hand conflicting tags will cause an # error. So allow later tags to overwrite earlier ones. series.allow_overwrite = True series = patchstream.GetMetaDataForList(range_expr, options.git_dir, None, series) else: # Honour the count series = patchstream.GetMetaDataForList(options.branch, options.git_dir, count) else: series = None options.verbose = True options.show_errors = True # By default we have one thread per CPU. But if there are not enough jobs # we can have fewer threads and use a high '-j' value for make. if not options.threads: options.threads = min(multiprocessing.cpu_count(), len(selected)) if not options.jobs: options.jobs = max(1, (multiprocessing.cpu_count() + len(selected) - 1) / len(selected)) if not options.step: options.step = len(series.commits) - 1 gnu_make = command.Output(os.path.join(options.git, 'scripts/show-gnu-make')).rstrip() if not gnu_make: print >> sys.stderr, 'GNU Make not found' sys.exit(1) # Create a new builder with the selected options if options.branch: dirname = options.branch else: dirname = 'current' output_dir = os.path.join(options.output_dir, dirname) builder = Builder(toolchains, output_dir, options.git_dir, options.threads, options.jobs, gnu_make=gnu_make, checkout=True, show_unknown=options.show_unknown, step=options.step) builder.force_config_on_failure = not options.quick # For a dry run, just show our actions as a sanity check if options.dry_run: ShowActions(series, why_selected, selected, builder, options) else: builder.force_build = options.force_build builder.force_build_failures = options.force_build_failures builder.force_reconfig = options.force_reconfig builder.in_tree = options.in_tree # Work out which boards to build board_selected = boards.GetSelectedDict() if series: commits = series.commits else: commits = None print GetActionSummary(options.summary, commits, board_selected, options) builder.SetDisplayOptions(options.show_errors, options.show_sizes, options.show_detail, options.show_bloat) if options.summary: # We can't show function sizes without board details at present if options.show_bloat: options.show_detail = True builder.ShowSummary(commits, board_selected) else: builder.BuildBoards(commits, board_selected, options.keep_outputs, options.verbose)