blob: c14b87842da5c9ee04af5772243f5afddb5abb63 [file] [log] [blame]
# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2013 The Chromium OS Authors.
import multiprocessing
import os
import shutil
import sys
import board
import bsettings
from builder import Builder
import gitutil
import patchstream
import terminal
from terminal import Print
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.
Summary string.
if commits:
count = len(commits)
count = (count + options.step - 1) / options.step
commit_str = '%d commit%s' % (count, GetPlural(count))
commit_str = 'current source'
str = '%s %s for %d boards' % (
'Summary of' if is_summary else 'Building', commit_str,
str += ' (%d thread%s, %d job%s per thread)' % (options.threads,
GetPlural(options.threads),, GetPlural(
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.
series: Series object
why_selected: Dictionary where each key is a buildman argument
provided by the user, and the value is the list of 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:'
if series:
commits = series.commits
commits = None
print GetActionSummary(False, commits, boards_selected,
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[:8], bright=False),
print commit.subject
for arg in why_selected:
if arg != 'all':
print arg, ': %d boards' % len(why_selected[arg])
if options.verbose:
print ' %s' % ' '.join(why_selected[arg])
print ('Total boards to build for each commit: %d\n' %
def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
"""The main control code for buildman
options: Command line options 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.
board: Boards() object to use, containing a list of available
boards. If this is None it will be created and scanned.
global builder
if options.full_help:
pager = os.getenv('PAGER')
if not pager:
pager = 'more'
fname = os.path.join(os.path.dirname(os.path.realpath(sys.argv[0])),
command.Run(pager, fname)
return 0
col = terminal.Color()
options.git_dir = os.path.join(options.git, '.git')
no_toolchains = toolchains is None
if no_toolchains:
toolchains = toolchain.Toolchains()
if options.fetch_arch:
if options.fetch_arch == 'list':
sorted_list = toolchains.ListArchs()
print col.Color(col.BLUE, 'Available architectures: %s\n' %
' '.join(sorted_list))
return 0
fetch_arch = options.fetch_arch
if fetch_arch == 'all':
fetch_arch = ','.join(toolchains.ListArchs())
print col.Color(col.CYAN, '\nDownloading toolchains: %s' %
for arch in fetch_arch.split(','):
ret = toolchains.FetchAndInstall(arch)
if ret:
return ret
return 0
if no_toolchains:
if options.list_tool_chains:
return 0
# 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.
count = options.count
has_range = options.branch and '..' in options.branch
if count == -1:
if not options.branch:
count = 1
if has_range:
count, msg = gitutil.CountCommitsInRange(options.git_dir,
count, msg = gitutil.CountCommitsInBranch(options.git_dir,
if count is None:
sys.exit(col.Color(col.RED, msg))
elif count == 0:
sys.exit(col.Color(col.RED, "Range '%s' has no commits" %
if msg:
print col.Color(col.YELLOW, msg)
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)
sys.exit(col.Color(col.RED, str))
# Work out what subset of the boards we are building
if not boards:
board_file = os.path.join(options.git, 'boards.cfg')
status =[os.path.join(options.git,
if status != 0:
sys.exit("Failed to generate boards.cfg")
boards = board.Boards()
boards.ReadBoards(os.path.join(options.git, 'boards.cfg'))
exclude = []
if options.exclude:
for arg in options.exclude:
exclude += arg.split(',')
why_selected = boards.SelectBoards(args, exclude)
selected = boards.GetSelected()
if not len(selected):
sys.exit(col.Color(col.RED, 'No matching boards found'))
# 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)
# 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 by setting allow_overwrite=True
if options.branch:
if count == -1:
if has_range:
range_expr = options.branch
range_expr = gitutil.GetRangeInBranch(options.git_dir,
upstream_commit = gitutil.GetUpstream(options.git_dir,
series = patchstream.GetMetaDataForList(upstream_commit,
options.git_dir, 1, series=None, allow_overwrite=True)
series = patchstream.GetMetaDataForList(range_expr,
options.git_dir, None, series, allow_overwrite=True)
# Honour the count
series = patchstream.GetMetaDataForList(options.branch,
options.git_dir, count, series=None, allow_overwrite=True)
series = None
if not options.dry_run:
options.verbose = True
if not options.summary:
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 = 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'), raise_on_error=False).rstrip()
if not gnu_make:
sys.exit('GNU Make not found')
# Create a new builder with the selected options.
output_dir = options.output_dir
if options.branch:
dirname = options.branch.replace('/', '_')
# As a special case allow the board directory to be placed in the
# output directory itself rather than any subdirectory.
if not options.no_subdirs:
output_dir = os.path.join(options.output_dir, dirname)
if (clean_dir and output_dir != options.output_dir and
builder = Builder(toolchains, output_dir, options.git_dir,
options.threads,, gnu_make=gnu_make, checkout=True,
show_unknown=options.show_unknown, step=options.step,
no_subdirs=options.no_subdirs, full_path=options.full_path,
squash_config_y=not options.preserve_config_y,
builder.force_config_on_failure = not options.quick
if make_func:
builder.do_make = make_func
# For a dry run, just show our actions as a sanity check
if options.dry_run:
ShowActions(series, why_selected, selected, builder, options)
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
# Number the commits for test purposes
for commit in range(len(commits)):
commits[commit].sequence = commit
commits = None
Print(GetActionSummary(options.summary, commits, board_selected,
# We can't show function sizes without board details at present
if options.show_bloat:
options.show_detail = True
builder.SetDisplayOptions(options.show_errors, options.show_sizes,
options.show_detail, options.show_bloat,
if options.summary:
builder.ShowSummary(commits, board_selected)
fail, warned = builder.BuildBoards(commits, board_selected,
options.keep_outputs, options.verbose)
if fail:
return 128
elif warned:
return 129
return 0