def build(self):
debug3('running build job for %r\n', self.target.name)
(dodir, dofile, basedir, basename, ext) = (
self.dodir, self.dofile, self.dobasedir, self.dobasename, self.doext)
# this will run in the dofile's directory, so use only basenames here
if vars.OLD_ARGS:
arg1 = basename # target name (no extension)
arg2 = ext # extension (if any), including leading dot
else:
arg1 = basename + ext # target name (including extension)
arg2 = basename # target name (without extension)
argv = ['sh', '-e',
dofile,
arg1,
arg2,
# temp output file name
os.path.relpath(self.tmpname_arg3, dodir),
]
if vars.VERBOSE: argv[1] += 'v'
if vars.XTRACE: argv[1] += 'x'
if vars.VERBOSE or vars.XTRACE: log_e('\n')
firstline = open(os.path.join(dodir, dofile)).readline().strip()
if firstline.startswith('#!.../'):
_, _, interp_argv = firstline.partition("/")
interp_argv = interp_argv.split(' ')
interpreter = _find_interpreter(self.dodir, interp_argv[0])
if not interpreter:
err('%s unable to find interpreter %s.\n', self.dofile, interp_argv[0])
os._exit(208)
self.target.add_dep(state.File(interpreter))
argv[0:2] = [interpreter] + interp_argv[1:]
elif firstline.startswith('#!/'):
argv[0:2] = firstline[2:].split(' ')
log('%s\n', self.target.printable_name())
log_cmd("redo", self.target.name + "\n")
try:
dn = dodir
os.environ['REDO_PWD'] = os.path.join(vars.PWD, dn)
os.environ['REDO_TARGET'] = basename + ext
os.environ['REDO_DEPTH'] = vars.DEPTH + ' '
if dn:
os.chdir(dn)
l = logger.Logger(self.log_fd, self.tmp_sout_fd)
l.fork()
os.close(self.tmp_sout_fd)
close_on_exec(1, False)
if vars.VERBOSE or vars.XTRACE: log_e('* %s\n' % ' '.join(argv))
os.execvp(argv[0], argv)
except:
import traceback
sys.stderr.write(traceback.format_exc())
err('internal exception - see above\n')
raise
finally:
# returns only if there's an exception (exec in other case)
os._exit(127)
def done(self, t, rv):
assert self.target.dolock().owned == state.LOCK_EX
log_cmd("redo_done", self.target.name + "\n")
try:
after_t = _try_stat(self.target.name)
st1 = os.fstat(self.tmp_sout_f.fileno())
st2 = _try_stat(self.tmpname_arg3)
if (
after_t
and (not self.before_t or self.before_t.st_ctime != after_t.st_ctime)
and not stat.S_ISDIR(after_t.st_mode)
):
err("%s modified %s directly!\n", self.dofile, self.target.name)
err("...you should update $3 (a temp file) or stdout, not $1.\n")
rv = 206
elif vars.OLD_STDOUT and st2 and st1.st_size > 0:
err("%s wrote to stdout *and* created $3.\n", self.dofile)
err("...you should write status messages to stderr, not stdout.\n")
rv = 207
elif vars.WARN_STDOUT and st1.st_size > 0:
err("%s wrote to stdout, this is not longer supported.\n", self.dofile)
err("...you should write status messages to stderr, not stdout.\n")
err('...you should write target content to $3 using for example \'exec >"$3"`.\n')
if not vars.OLD_STDOUT:
rv = 207
if rv == 0:
if st2:
os.rename(self.tmpname_arg3, self.target.name)
os.unlink(self.tmpname_sout)
elif vars.OLD_STDOUT and st1.st_size > 0:
try:
os.rename(self.tmpname_sout, self.target.name)
except OSError, e:
if e.errno == errno.ENOENT:
unlink(self.target.name)
else:
raise
else: # no output generated at all; that's ok
unlink(self.tmpname_sout)
unlink(self.target.name)
if vars.VERBOSE or vars.XTRACE or vars.DEBUG:
log("%s (done)\n\n", self.target.printable_name())
else:
