1 # Copyright (c) 2013 The Chromium OS Authors.
3 # SPDX-License-Identifier: GPL-2.0+
12 from builder import Builder
21 """Returns a plural 's' if count is not 1"""
22 return 's' if count != 1 else ''
24 def GetActionSummary(is_summary, commits, selected, options):
25 """Return a string summarising the intended action.
32 count = (count + options.step - 1) / options.step
33 commit_str = '%d commit%s' % (count, GetPlural(count))
35 commit_str = 'current source'
36 str = '%s %s for %d boards' % (
37 'Summary of' if is_summary else 'Building', commit_str,
39 str += ' (%d thread%s, %d job%s per thread)' % (options.threads,
40 GetPlural(options.threads), options.jobs, GetPlural(options.jobs))
43 def ShowActions(series, why_selected, boards_selected, builder, options):
44 """Display a list of actions that we would take, if not a dry run.
48 why_selected: Dictionary where each key is a buildman argument
49 provided by the user, and the value is the boards brought
50 in by that argument. For example, 'arm' might bring in
51 400 boards, so in this case the key would be 'arm' and
52 the value would be a list of board names.
53 boards_selected: Dict of selected boards, key is target name,
55 builder: The builder that will be used to build the commits
56 options: Command line options object
58 col = terminal.Color()
59 print 'Dry run, so not doing much. But I would do this:'
62 commits = series.commits
65 print GetActionSummary(False, commits, boards_selected,
67 print 'Build directory: %s' % builder.base_dir
69 for upto in range(0, len(series.commits), options.step):
70 commit = series.commits[upto]
71 print ' ', col.Color(col.YELLOW, commit.hash, bright=False),
74 for arg in why_selected:
76 print arg, ': %d boards' % why_selected[arg]
77 print ('Total boards to build for each commit: %d\n' %
80 def DoBuildman(options, args):
81 """The main control code for buildman
84 options: Command line options object
85 args: Command line arguments (list of strings)
90 options.git_dir = os.path.join(options.git, '.git')
92 toolchains = toolchain.Toolchains()
93 toolchains.Scan(options.list_tool_chains)
94 if options.list_tool_chains:
99 # Work out how many commits to build. We want to build everything on the
100 # branch. We also build the upstream commit as a control so we can see
101 # problems introduced by the first commit on the branch.
102 col = terminal.Color()
103 count = options.count
105 if not options.branch:
108 count = gitutil.CountCommitsInBranch(options.git_dir,
111 str = ("Branch '%s' not found or has no upstream" %
113 print col.Color(col.RED, str)
115 count += 1 # Build upstream commit also
118 str = ("No commits found to process in branch '%s': "
119 "set branch's upstream or use -c flag" % options.branch)
120 print col.Color(col.RED, str)
123 # Work out what subset of the boards we are building
124 board_file = os.path.join(options.git, 'boards.cfg')
125 if not os.path.exists(board_file):
126 print 'Could not find %s' % board_file
127 status = subprocess.call([os.path.join(options.git,
128 'tools/genboardscfg.py')])
130 print >> sys.stderr, "Failed to generate boards.cfg"
133 boards = board.Boards()
134 boards.ReadBoards(os.path.join(options.git, 'boards.cfg'))
135 why_selected = boards.SelectBoards(args)
136 selected = boards.GetSelected()
137 if not len(selected):
138 print col.Color(col.RED, 'No matching boards found')
141 # Read the metadata from the commits. First look at the upstream commit,
142 # then the ones in the branch. We would like to do something like
143 # upstream/master~..branch but that isn't possible if upstream/master is
144 # a merge commit (it will list all the commits that form part of the
147 range_expr = gitutil.GetRangeInBranch(options.git_dir, options.branch)
148 upstream_commit = gitutil.GetUpstream(options.git_dir, options.branch)
149 series = patchstream.GetMetaDataForList(upstream_commit,
152 # Conflicting tags are not a problem for buildman, since it does not
153 # use them. For example, Series-version is not useful for buildman. On
154 # the other hand conflicting tags will cause an error. So allow later
155 # tags to overwrite earlier ones.
156 series.allow_overwrite = True
157 series = patchstream.GetMetaDataForList(range_expr, options.git_dir, None,
162 # By default we have one thread per CPU. But if there are not enough jobs
163 # we can have fewer threads and use a high '-j' value for make.
164 if not options.threads:
165 options.threads = min(multiprocessing.cpu_count(), len(selected))
167 options.jobs = max(1, (multiprocessing.cpu_count() +
168 len(selected) - 1) / len(selected))
171 options.step = len(series.commits) - 1
173 gnu_make = command.Output(os.path.join(options.git,
174 'scripts/show-gnu-make')).rstrip()
176 print >> sys.stderr, 'GNU Make not found'
179 # Create a new builder with the selected options
181 dirname = options.branch
184 output_dir = os.path.join(options.output_dir, dirname)
185 builder = Builder(toolchains, output_dir, options.git_dir,
186 options.threads, options.jobs, gnu_make=gnu_make, checkout=True,
187 show_unknown=options.show_unknown, step=options.step)
188 builder.force_config_on_failure = not options.quick
190 # For a dry run, just show our actions as a sanity check
192 ShowActions(series, why_selected, selected, builder, options)
194 builder.force_build = options.force_build
195 builder.force_build_failures = options.force_build_failures
196 builder.force_reconfig = options.force_reconfig
197 builder.in_tree = options.in_tree
199 # Work out which boards to build
200 board_selected = boards.GetSelectedDict()
203 commits = series.commits
207 print GetActionSummary(options.summary, commits, board_selected,
210 builder.SetDisplayOptions(options.show_errors, options.show_sizes,
211 options.show_detail, options.show_bloat)
213 # We can't show function sizes without board details at present
214 if options.show_bloat:
215 options.show_detail = True
216 builder.ShowSummary(commits, board_selected)
218 builder.BuildBoards(commits, board_selected,
219 options.keep_outputs)