diff options
Diffstat (limited to 'tools/moveconfig.py')
| -rwxr-xr-x | tools/moveconfig.py | 74 |
1 files changed, 68 insertions, 6 deletions
diff --git a/tools/moveconfig.py b/tools/moveconfig.py index 12a145c0a6..5e5ca06d8f 100755 --- a/tools/moveconfig.py +++ b/tools/moveconfig.py @@ -143,6 +143,14 @@ Available options Specify the number of threads to run simultaneously. If not specified, the number of threads is the same as the number of CPU cores. + -r, --git-ref + Specify the git ref to clone for building the autoconf.mk. If unspecified + use the CWD. This is useful for when changes to the Kconfig affect the + default values and you want to capture the state of the defconfig from + before that change was in effect. If in doubt, specify a ref pre-Kconfig + changes (use HEAD if Kconfig changes are not committed). Worst case it will + take a bit longer to run, but will always do the right thing. + -v, --verbose Show any build errors as boards are built @@ -584,7 +592,7 @@ class Slot: for faster processing. """ - def __init__(self, configs, options, progress, devnull, make_cmd): + def __init__(self, configs, options, progress, devnull, make_cmd, reference_src_dir): """Create a new process slot. Arguments: @@ -593,12 +601,15 @@ class Slot: progress: A progress indicator. devnull: A file object of '/dev/null'. make_cmd: command name of GNU Make. + reference_src_dir: Determine the true starting config state from this + source tree. """ self.options = options self.progress = progress self.build_dir = tempfile.mkdtemp() self.devnull = devnull self.make_cmd = (make_cmd, 'O=' + self.build_dir) + self.reference_src_dir = reference_src_dir self.parser = KconfigParser(configs, options, self.build_dir) self.state = STATE_IDLE self.failed_boards = [] @@ -636,6 +647,7 @@ class Slot: self.defconfig = defconfig self.log = '' + self.use_git_ref = True if self.options.git_ref else False self.do_defconfig() return True @@ -664,9 +676,16 @@ class Slot: if self.ps.poll() != 0: self.handle_error() elif self.state == STATE_DEFCONFIG: - self.do_autoconf() + if self.options.git_ref and not self.use_git_ref: + self.do_savedefconfig() + else: + self.do_autoconf() elif self.state == STATE_AUTOCONF: - self.do_savedefconfig() + if self.use_git_ref: + self.use_git_ref = False + self.do_defconfig() + else: + self.do_savedefconfig() elif self.state == STATE_SAVEDEFCONFIG: self.update_defconfig() else: @@ -689,6 +708,9 @@ class Slot: cmd = list(self.make_cmd) cmd.append(self.defconfig) + if self.use_git_ref: + cmd.append('-C') + cmd.append(self.reference_src_dir) self.ps = subprocess.Popen(cmd, stdout=self.devnull, stderr=subprocess.PIPE) self.state = STATE_DEFCONFIG @@ -708,6 +730,9 @@ class Slot: cmd.append('CROSS_COMPILE=%s' % self.cross_compile) cmd.append('KCONFIG_IGNORE_DUPLICATES=1') cmd.append('include/config/auto.conf') + if self.use_git_ref: + cmd.append('-C') + cmd.append(self.reference_src_dir) self.ps = subprocess.Popen(cmd, stdout=self.devnull, stderr=subprocess.PIPE) self.state = STATE_AUTOCONF @@ -784,13 +809,15 @@ class Slots: """Controller of the array of subprocess slots.""" - def __init__(self, configs, options, progress): + def __init__(self, configs, options, progress, reference_src_dir): """Create a new slots controller. Arguments: configs: A list of CONFIGs to move. options: option flags. progress: A progress indicator. + reference_src_dir: Determine the true starting config state from this + source tree. """ self.options = options self.slots = [] @@ -798,7 +825,7 @@ class Slots: make_cmd = get_make_cmd() for i in range(options.jobs): self.slots.append(Slot(configs, options, progress, devnull, - make_cmd)) + make_cmd, reference_src_dir)) def add(self, defconfig): """Add a new subprocess if a vacant slot is found. @@ -855,6 +882,24 @@ class Slots: for board in failed_boards: f.write(board + '\n') +class WorkDir: + def __init__(self): + """Create a new working directory.""" + self.work_dir = tempfile.mkdtemp() + + def __del__(self): + """Delete the working directory + + This function makes sure the temporary directory is cleaned away + even if Python suddenly dies due to error. It should be done in here + because it is guaranteed the destructor is always invoked when the + instance of the class gets unreferenced. + """ + shutil.rmtree(self.work_dir) + + def get(self): + return self.work_dir + def move_config(configs, options): """Move config options to defconfig files. @@ -871,6 +916,21 @@ def move_config(configs, options): print 'Move ' + ', '.join(configs), print '(jobs: %d)\n' % options.jobs + reference_src_dir = '' + + if options.git_ref: + work_dir = WorkDir() + reference_src_dir = work_dir.get() + print "Cloning git repo to a separate work directory..." + subprocess.check_output(['git', 'clone', os.getcwd(), '.'], + cwd=reference_src_dir) + print "Checkout '%s' to build the original autoconf.mk." % \ + subprocess.check_output(['git', 'rev-parse', '--short', + options.git_ref]).strip() + subprocess.check_output(['git', 'checkout', options.git_ref], + stderr=subprocess.STDOUT, + cwd=reference_src_dir) + if options.defconfigs: defconfigs = [line.strip() for line in open(options.defconfigs)] for i, defconfig in enumerate(defconfigs): @@ -888,7 +948,7 @@ def move_config(configs, options): defconfigs.append(os.path.join(dirpath, filename)) progress = Progress(len(defconfigs)) - slots = Slots(configs, options, progress) + slots = Slots(configs, options, progress, reference_src_dir) # Main loop to process defconfig files: # Add a new subprocess into a vacant slot. @@ -930,6 +990,8 @@ def main(): help='only cleanup the headers') parser.add_option('-j', '--jobs', type='int', default=cpu_count, help='the number of jobs to run simultaneously') + parser.add_option('-r', '--git-ref', type='string', + help='the git ref to clone for building the autoconf.mk') parser.add_option('-v', '--verbose', action='store_true', default=False, help='show any build errors as boards are built') parser.usage += ' CONFIG ...' |
