mirror of
https://github.com/AsahiLinux/u-boot
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283dcb63cb
This can take a while, so show a message when starting. Signed-off-by: Simon Glass <sjg@chromium.org> Reported-by Tom Rini <trini@konsulko.com>
680 lines
25 KiB
Python
680 lines
25 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2013 The Chromium OS Authors.
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#
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"""Control module for buildman
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This holds the main control logic for buildman, when not running tests.
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"""
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import multiprocessing
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import os
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import shutil
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import sys
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from buildman import boards
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from buildman import bsettings
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from buildman import cfgutil
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from buildman import toolchain
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from buildman.builder import Builder
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from patman import gitutil
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from patman import patchstream
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from u_boot_pylib import command
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from u_boot_pylib import terminal
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from u_boot_pylib.terminal import tprint
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TEST_BUILDER = None
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def get_plural(count):
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"""Returns a plural 's' if count is not 1"""
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return 's' if count != 1 else ''
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def count_build_commits(commits, step):
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"""Calculate the number of commits to be built
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Args:
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commits (list of Commit): Commits to build or None
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step (int): Step value for commits, typically 1
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Returns:
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Number of commits that will be built
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"""
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if commits:
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count = len(commits)
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return (count + step - 1) // step
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return 0
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def get_action_summary(is_summary, commit_count, selected, threads, jobs):
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"""Return a string summarising the intended action.
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Args:
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is_summary (bool): True if this is a summary (otherwise it is building)
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commits (list): List of commits being built
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selected (list of Board): List of Board objects that are marked
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step (int): Step increment through commits
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threads (int): Number of processor threads being used
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jobs (int): Number of jobs to build at once
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Returns:
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Summary string.
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"""
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if commit_count:
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commit_str = f'{commit_count} commit{get_plural(commit_count)}'
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else:
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commit_str = 'current source'
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msg = (f"{'Summary of' if is_summary else 'Building'} "
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f'{commit_str} for {len(selected)} boards')
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msg += (f' ({threads} thread{get_plural(threads)}, '
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f'{jobs} job{get_plural(jobs)} per thread)')
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return msg
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# pylint: disable=R0913
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def show_actions(series, why_selected, boards_selected, output_dir,
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board_warnings, step, threads, jobs, verbose):
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"""Display a list of actions that we would take, if not a dry run.
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Args:
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series: Series object
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why_selected: Dictionary where each key is a buildman argument
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provided by the user, and the value is the list of boards
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brought in by that argument. For example, 'arm' might bring
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in 400 boards, so in this case the key would be 'arm' and
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the value would be a list of board names.
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boards_selected: Dict of selected boards, key is target name,
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value is Board object
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output_dir (str): Output directory for builder
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board_warnings: List of warnings obtained from board selected
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step (int): Step increment through commits
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threads (int): Number of processor threads being used
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jobs (int): Number of jobs to build at once
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verbose (bool): True to indicate why each board was selected
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"""
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col = terminal.Color()
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print('Dry run, so not doing much. But I would do this:')
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print()
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if series:
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commits = series.commits
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else:
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commits = None
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print(get_action_summary(False, count_build_commits(commits, step),
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boards_selected, threads, jobs))
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print(f'Build directory: {output_dir}')
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if commits:
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for upto in range(0, len(series.commits), step):
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commit = series.commits[upto]
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print(' ', col.build(col.YELLOW, commit.hash[:8], bright=False), end=' ')
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print(commit.subject)
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print()
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for arg in why_selected:
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if arg != 'all':
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print(arg, f': {len(why_selected[arg])} boards')
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if verbose:
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print(f" {' '.join(why_selected[arg])}")
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print('Total boards to build for each '
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f"commit: {len(why_selected['all'])}\n")
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if board_warnings:
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for warning in board_warnings:
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print(col.build(col.YELLOW, warning))
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def show_toolchain_prefix(brds, toolchains):
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"""Show information about a the tool chain used by one or more boards
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The function checks that all boards use the same toolchain, then prints
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the correct value for CROSS_COMPILE.
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Args:
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boards: Boards object containing selected boards
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toolchains: Toolchains object containing available toolchains
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Return:
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None on success, string error message otherwise
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"""
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board_selected = brds.get_selected_dict()
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tc_set = set()
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for brd in board_selected.values():
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tc_set.add(toolchains.Select(brd.arch))
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if len(tc_set) != 1:
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sys.exit('Supplied boards must share one toolchain')
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tchain = tc_set.pop()
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print(tchain.GetEnvArgs(toolchain.VAR_CROSS_COMPILE))
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def show_arch(brds):
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"""Show information about a the architecture used by one or more boards
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The function checks that all boards use the same architecture, then prints
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the correct value for ARCH.
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Args:
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boards: Boards object containing selected boards
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Return:
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None on success, string error message otherwise
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"""
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board_selected = brds.get_selected_dict()
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arch_set = set()
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for brd in board_selected.values():
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arch_set.add(brd.arch)
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if len(arch_set) != 1:
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sys.exit('Supplied boards must share one arch')
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print(arch_set.pop())
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def get_allow_missing(opt_allow, opt_no_allow, num_selected, has_branch):
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"""Figure out whether to allow external blobs
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Uses the allow-missing setting and the provided arguments to decide whether
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missing external blobs should be allowed
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Args:
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opt_allow (bool): True if --allow-missing flag is set
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opt_no_allow (bool): True if --no-allow-missing flag is set
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num_selected (int): Number of selected board
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has_branch (bool): True if a git branch (to build) has been provided
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Returns:
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bool: True to allow missing external blobs, False to produce an error if
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external blobs are used
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"""
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allow_missing = False
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am_setting = bsettings.get_global_item_value('allow-missing')
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if am_setting:
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if am_setting == 'always':
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allow_missing = True
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if 'multiple' in am_setting and num_selected > 1:
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allow_missing = True
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if 'branch' in am_setting and has_branch:
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allow_missing = True
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if opt_allow:
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allow_missing = True
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if opt_no_allow:
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allow_missing = False
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return allow_missing
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def count_commits(branch, count, col, git_dir):
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"""Could the number of commits in the branch/ranch being built
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Args:
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branch (str): Name of branch to build, or None if none
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count (int): Number of commits to build, or -1 for all
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col (Terminal.Color): Color object to use
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git_dir (str): Git directory to use, e.g. './.git'
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Returns:
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tuple:
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Number of commits being built
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True if the 'branch' string contains a range rather than a simple
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name
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"""
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has_range = branch and '..' in branch
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if count == -1:
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if not branch:
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count = 1
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else:
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if has_range:
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count, msg = gitutil.count_commits_in_range(git_dir, branch)
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else:
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count, msg = gitutil.count_commits_in_branch(git_dir, branch)
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if count is None:
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sys.exit(col.build(col.RED, msg))
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elif count == 0:
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sys.exit(col.build(col.RED,
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f"Range '{branch}' has no commits"))
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if msg:
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print(col.build(col.YELLOW, msg))
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count += 1 # Build upstream commit also
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if not count:
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msg = (f"No commits found to process in branch '{branch}': "
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"set branch's upstream or use -c flag")
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sys.exit(col.build(col.RED, msg))
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return count, has_range
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def determine_series(selected, col, git_dir, count, branch, work_in_output):
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"""Determine the series which is to be built, if any
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If there is a series, the commits in that series are numbered by setting
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their sequence value (starting from 0). This is used by tests.
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Args:
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selected (list of Board): List of Board objects that are marked
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selected
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col (Terminal.Color): Color object to use
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git_dir (str): Git directory to use, e.g. './.git'
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count (int): Number of commits in branch
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branch (str): Name of branch to build, or None if none
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work_in_output (bool): True to work in the output directory
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Returns:
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Series: Series to build, or None for none
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Read the metadata from the commits. First look at the upstream commit,
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then the ones in the branch. We would like to do something like
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upstream/master~..branch but that isn't possible if upstream/master is
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a merge commit (it will list all the commits that form part of the
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merge)
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Conflicting tags are not a problem for buildman, since it does not use
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them. For example, Series-version is not useful for buildman. On the
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other hand conflicting tags will cause an error. So allow later tags
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to overwrite earlier ones by setting allow_overwrite=True
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"""
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# Work out how many commits to build. We want to build everything on the
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# branch. We also build the upstream commit as a control so we can see
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# problems introduced by the first commit on the branch.
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count, has_range = count_commits(branch, count, col, git_dir)
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if work_in_output:
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if len(selected) != 1:
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sys.exit(col.build(col.RED,
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'-w can only be used with a single board'))
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if count != 1:
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sys.exit(col.build(col.RED,
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'-w can only be used with a single commit'))
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if branch:
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if count == -1:
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if has_range:
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range_expr = branch
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else:
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range_expr = gitutil.get_range_in_branch(git_dir, branch)
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upstream_commit = gitutil.get_upstream(git_dir, branch)
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series = patchstream.get_metadata_for_list(upstream_commit,
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git_dir, 1, series=None, allow_overwrite=True)
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series = patchstream.get_metadata_for_list(range_expr,
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git_dir, None, series, allow_overwrite=True)
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else:
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# Honour the count
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series = patchstream.get_metadata_for_list(branch,
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git_dir, count, series=None, allow_overwrite=True)
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# Number the commits for test purposes
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for i, commit in enumerate(series.commits):
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commit.sequence = i
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else:
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series = None
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return series
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def do_fetch_arch(toolchains, col, fetch_arch):
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"""Handle the --fetch-arch option
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Args:
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toolchains (Toolchains): Tool chains to use
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col (terminal.Color): Color object to build
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fetch_arch (str): Argument passed to the --fetch-arch option
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Returns:
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int: Return code for buildman
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"""
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if fetch_arch == 'list':
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sorted_list = toolchains.ListArchs()
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print(col.build(
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col.BLUE,
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f"Available architectures: {' '.join(sorted_list)}\n"))
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return 0
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if fetch_arch == 'all':
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fetch_arch = ','.join(toolchains.ListArchs())
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print(col.build(col.CYAN,
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f'\nDownloading toolchains: {fetch_arch}'))
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for arch in fetch_arch.split(','):
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print()
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ret = toolchains.FetchAndInstall(arch)
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if ret:
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return ret
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return 0
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def get_toolchains(toolchains, col, override_toolchain, fetch_arch,
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list_tool_chains, verbose):
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"""Get toolchains object to use
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Args:
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toolchains (Toolchains or None): Toolchains to use. If None, then a
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Toolchains object will be created and scanned
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col (Terminal.Color): Color object
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override_toolchain (str or None): Override value for toolchain, or None
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fetch_arch (bool): True to fetch the toolchain for the architectures
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list_tool_chains (bool): True to list all tool chains
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verbose (bool): True for verbose output when listing toolchains
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Returns:
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Either:
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int: Operation completed and buildman should exit with exit code
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Toolchains: Toolchains object to use
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"""
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no_toolchains = toolchains is None
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if no_toolchains:
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toolchains = toolchain.Toolchains(override_toolchain)
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if fetch_arch:
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return do_fetch_arch(toolchains, col, fetch_arch)
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if no_toolchains:
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toolchains.GetSettings()
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toolchains.Scan(list_tool_chains and verbose)
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if list_tool_chains:
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toolchains.List()
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print()
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return 0
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return toolchains
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def get_boards_obj(output_dir, regen_board_list, maintainer_check, full_check,
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threads, verbose):
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"""Object the Boards object to use
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Creates the output directory and ensures there is a boards.cfg file, then
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read it in.
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Args:
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output_dir (str): Output directory to use
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regen_board_list (bool): True to just regenerate the board list
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maintainer_check (bool): True to just run a maintainer check
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full_check (bool): True to just run a full check of Kconfig and
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maintainers
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threads (int or None): Number of threads to use to create boards file
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verbose (bool): False to suppress output from boards-file generation
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Returns:
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Either:
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int: Operation completed and buildman should exit with exit code
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Boards: Boards object to use
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"""
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brds = boards.Boards()
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nr_cpus = threads or multiprocessing.cpu_count()
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if maintainer_check or full_check:
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warnings = brds.build_board_list(jobs=nr_cpus,
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warn_targets=full_check)[1]
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if warnings:
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for warn in warnings:
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print(warn, file=sys.stderr)
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return 2
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return 0
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if not os.path.exists(output_dir):
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os.makedirs(output_dir)
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board_file = os.path.join(output_dir, 'boards.cfg')
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if regen_board_list and regen_board_list != '-':
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board_file = regen_board_list
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okay = brds.ensure_board_list(board_file, nr_cpus, force=regen_board_list,
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quiet=not verbose)
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if regen_board_list:
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return 0 if okay else 2
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brds.read_boards(board_file)
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return brds
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def determine_boards(brds, args, col, opt_boards, exclude_list):
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"""Determine which boards to build
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Each element of args and exclude can refer to a board name, arch or SoC
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Args:
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brds (Boards): Boards object
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args (list of str): Arguments describing boards to build
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col (Terminal.Color): Color object
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opt_boards (list of str): Specific boards to build, or None for all
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exclude_list (list of str): Arguments describing boards to exclude
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Returns:
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tuple:
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list of Board: List of Board objects that are marked selected
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why_selected: Dictionary where each key is a buildman argument
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provided by the user, and the value is the list of boards
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brought in by that argument. For example, 'arm' might bring
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in 400 boards, so in this case the key would be 'arm' and
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the value would be a list of board names.
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board_warnings: List of warnings obtained from board selected
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"""
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exclude = []
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if exclude_list:
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for arg in exclude_list:
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exclude += arg.split(',')
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if opt_boards:
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requested_boards = []
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for brd in opt_boards:
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requested_boards += brd.split(',')
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else:
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requested_boards = None
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why_selected, board_warnings = brds.select_boards(args, exclude,
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requested_boards)
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selected = brds.get_selected()
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if not selected:
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sys.exit(col.build(col.RED, 'No matching boards found'))
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return selected, why_selected, board_warnings
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def adjust_args(args, series, selected):
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"""Adjust arguments according to various constraints
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Updates verbose, show_errors, threads, jobs and step
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Args:
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args (Namespace): Namespace object to adjust
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series (Series): Series being built / summarised
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selected (list of Board): List of Board objects that are marked
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"""
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if not series and not args.dry_run:
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args.verbose = True
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if not args.summary:
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args.show_errors = True
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# By default we have one thread per CPU. But if there are not enough jobs
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# we can have fewer threads and use a high '-j' value for make.
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if args.threads is None:
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args.threads = min(multiprocessing.cpu_count(), len(selected))
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if not args.jobs:
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args.jobs = max(1, (multiprocessing.cpu_count() +
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len(selected) - 1) // len(selected))
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if not args.step:
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args.step = len(series.commits) - 1
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# We can't show function sizes without board details at present
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if args.show_bloat:
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args.show_detail = True
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def setup_output_dir(output_dir, work_in_output, branch, no_subdirs, col,
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clean_dir):
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"""Set up the output directory
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Args:
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output_dir (str): Output directory provided by the user, or None if none
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work_in_output (bool): True to work in the output directory
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branch (str): Name of branch to build, or None if none
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no_subdirs (bool): True to put the output in the top-level output dir
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clean_dir: Used for tests only, indicates that the existing output_dir
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should be removed before starting the build
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Returns:
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str: Updated output directory pathname
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"""
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if not output_dir:
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if work_in_output:
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sys.exit(col.build(col.RED, '-w requires that you specify -o'))
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output_dir = '..'
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if branch and not no_subdirs:
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# As a special case allow the board directory to be placed in the
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# output directory itself rather than any subdirectory.
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dirname = branch.replace('/', '_')
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output_dir = os.path.join(output_dir, dirname)
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if clean_dir and os.path.exists(output_dir):
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shutil.rmtree(output_dir)
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return output_dir
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def run_builder(builder, commits, board_selected, args):
|
|
"""Run the builder or show the summary
|
|
|
|
Args:
|
|
commits (list of Commit): List of commits being built, None if no branch
|
|
boards_selected (dict): Dict of selected boards:
|
|
key: target name
|
|
value: Board object
|
|
args (Namespace): Namespace to use
|
|
|
|
Returns:
|
|
int: Return code for buildman
|
|
"""
|
|
gnu_make = command.output(os.path.join(args.git,
|
|
'scripts/show-gnu-make'), raise_on_error=False).rstrip()
|
|
if not gnu_make:
|
|
sys.exit('GNU Make not found')
|
|
builder.gnu_make = gnu_make
|
|
|
|
if not args.ide:
|
|
commit_count = count_build_commits(commits, args.step)
|
|
tprint(get_action_summary(args.summary, commit_count, board_selected,
|
|
args.threads, args.jobs))
|
|
|
|
builder.set_display_options(
|
|
args.show_errors, args.show_sizes, args.show_detail, args.show_bloat,
|
|
args.list_error_boards, args.show_config, args.show_environment,
|
|
args.filter_dtb_warnings, args.filter_migration_warnings, args.ide)
|
|
if args.summary:
|
|
builder.show_summary(commits, board_selected)
|
|
else:
|
|
fail, warned, excs = builder.build_boards(
|
|
commits, board_selected, args.keep_outputs, args.verbose)
|
|
if excs:
|
|
return 102
|
|
if fail:
|
|
return 100
|
|
if warned and not args.ignore_warnings:
|
|
return 101
|
|
return 0
|
|
|
|
|
|
def calc_adjust_cfg(adjust_cfg, reproducible_builds):
|
|
"""Calculate the value to use for adjust_cfg
|
|
|
|
Args:
|
|
adjust_cfg (list of str): List of configuration changes. See cfgutil for
|
|
details
|
|
reproducible_builds (bool): True to adjust the configuration to get
|
|
reproduceable builds
|
|
|
|
Returns:
|
|
adjust_cfg (list of str): List of configuration changes
|
|
"""
|
|
adjust_cfg = cfgutil.convert_list_to_dict(adjust_cfg)
|
|
|
|
# Drop LOCALVERSION_AUTO since it changes the version string on every commit
|
|
if reproducible_builds:
|
|
# If these are mentioned, leave the local version alone
|
|
if 'LOCALVERSION' in adjust_cfg or 'LOCALVERSION_AUTO' in adjust_cfg:
|
|
print('Not dropping LOCALVERSION_AUTO for reproducible build')
|
|
else:
|
|
adjust_cfg['LOCALVERSION_AUTO'] = '~'
|
|
return adjust_cfg
|
|
|
|
|
|
def do_buildman(args, toolchains=None, make_func=None, brds=None,
|
|
clean_dir=False, test_thread_exceptions=False):
|
|
"""The main control code for buildman
|
|
|
|
Args:
|
|
args: ArgumentParser object
|
|
args: Command line arguments (list of strings)
|
|
toolchains: Toolchains to use - this should be a Toolchains()
|
|
object. If None, then it will be created and scanned
|
|
make_func: Make function to use for the builder. This is called
|
|
to execute 'make'. If this is None, the normal function
|
|
will be used, which calls the 'make' tool with suitable
|
|
arguments. This setting is useful for tests.
|
|
brds: Boards() object to use, containing a list of available
|
|
boards. If this is None it will be created and scanned.
|
|
clean_dir: Used for tests only, indicates that the existing output_dir
|
|
should be removed before starting the build
|
|
test_thread_exceptions: Uses for tests only, True to make the threads
|
|
raise an exception instead of reporting their result. This simulates
|
|
a failure in the code somewhere
|
|
"""
|
|
# Used so testing can obtain the builder: pylint: disable=W0603
|
|
global TEST_BUILDER
|
|
|
|
gitutil.setup()
|
|
col = terminal.Color()
|
|
|
|
git_dir = os.path.join(args.git, '.git')
|
|
|
|
toolchains = get_toolchains(toolchains, col, args.override_toolchain,
|
|
args.fetch_arch, args.list_tool_chains,
|
|
args.verbose)
|
|
if isinstance(toolchains, int):
|
|
return toolchains
|
|
|
|
output_dir = setup_output_dir(
|
|
args.output_dir, args.work_in_output, args.branch,
|
|
args.no_subdirs, col, clean_dir)
|
|
|
|
# Work out what subset of the boards we are building
|
|
if not brds:
|
|
brds = get_boards_obj(output_dir, args.regen_board_list,
|
|
args.maintainer_check, args.full_check,
|
|
args.threads, args.verbose and
|
|
not args.print_arch and not args.print_prefix)
|
|
if isinstance(brds, int):
|
|
return brds
|
|
|
|
selected, why_selected, board_warnings = determine_boards(
|
|
brds, args.terms, col, args.boards, args.exclude)
|
|
|
|
if args.print_prefix:
|
|
show_toolchain_prefix(brds, toolchains)
|
|
return 0
|
|
|
|
if args.print_arch:
|
|
show_arch(brds)
|
|
return 0
|
|
|
|
series = determine_series(selected, col, git_dir, args.count,
|
|
args.branch, args.work_in_output)
|
|
|
|
adjust_args(args, series, selected)
|
|
|
|
# For a dry run, just show our actions as a sanity check
|
|
if args.dry_run:
|
|
show_actions(series, why_selected, selected, output_dir, board_warnings,
|
|
args.step, args.threads, args.jobs,
|
|
args.verbose)
|
|
return 0
|
|
|
|
# Create a new builder with the selected args
|
|
builder = Builder(toolchains, output_dir, git_dir,
|
|
args.threads, args.jobs, checkout=True,
|
|
show_unknown=args.show_unknown, step=args.step,
|
|
no_subdirs=args.no_subdirs, full_path=args.full_path,
|
|
verbose_build=args.verbose_build,
|
|
mrproper=args.mrproper,
|
|
per_board_out_dir=args.per_board_out_dir,
|
|
config_only=args.config_only,
|
|
squash_config_y=not args.preserve_config_y,
|
|
warnings_as_errors=args.warnings_as_errors,
|
|
work_in_output=args.work_in_output,
|
|
test_thread_exceptions=test_thread_exceptions,
|
|
adjust_cfg=calc_adjust_cfg(args.adjust_cfg,
|
|
args.reproducible_builds),
|
|
allow_missing=get_allow_missing(args.allow_missing,
|
|
args.no_allow_missing,
|
|
len(selected), args.branch),
|
|
no_lto=args.no_lto,
|
|
reproducible_builds=args.reproducible_builds,
|
|
force_build = args.force_build,
|
|
force_build_failures = args.force_build_failures,
|
|
force_reconfig = args.force_reconfig, in_tree = args.in_tree,
|
|
force_config_on_failure=not args.quick, make_func=make_func)
|
|
|
|
TEST_BUILDER = builder
|
|
|
|
return run_builder(builder, series.commits if series else None,
|
|
brds.get_selected_dict(), args)
|