def getRessource(self, filename):
self.__rc = cautils.parse_rc(filename)
if not self.__rc.cache:
msg = "{0} doesn't define cache.".format(self.__rcFile)
raise UnexpectedValueException(msg)
if not self.__rc.mirror:
msg = "{0} doesn't define mirror.".format(self.__rcFile)
raise UnexpectedValueException(msg)
# We want ROOT + "/etc/setup" and cd(ROOT) to work:
# necessitates two different forms, prefix and absolute
if (self.__cygwinPlatform):
self.setRoot("/")
else:
self.setRoot(self.__rc.ROOT)
self.__rc.ROOT = None
self.__pm = PathMapper(self.__prefixRoot, self.__cygwinPlatform)
self.__setupDir = self.__pm.mapPath(self.__setupDir)
self.__rc.cache = self.__pm.mapPath(self.__rc.cache)
self.__downloadDir = os.path.join(
self.__rc.cache,
urllib.quote(
self.__rc.mirror +
('' if self.__rc.mirror.endswith('/') else '/'), '').lower())
self.__installedDbFile = os.path.join(self.__setupDir, "installed.db")
self.__setupIniPath = os.path.join(
self.__downloadDir,
self.__arch,
"setup.ini",
)
self.__dosBash = "{0}bin/bash".format(self.__pm.getMountRoot())
self.__dosLn = "{0}bin/ln".format(self.__pm.getMountRoot())
self.__dosXz = self.__pm.mapPath("/usr/bin/xz")
self.__dosDash = "{0}bin/dash".format(self.__pm.getMountRoot())
return 0
def main(self):
# parse command line arguments
cap = CygAptArgParser(scriptname=self.getAppName())
args = cap.parse()
# initialize main variables with command line arguments and options
main_command = args.command
main_files = args.package[:]
main_files.insert(0, main_command)
main_packagename = None
if len(args.package) > 0:
main_packagename = args.package[0]
main_verbose = args.verbose
main_download_p = args.download_p
main_mirror = args.mirror
main_distname = args.distname
main_noupdate = args.noupdate
main_nodeps_p = args.nodeps_p
main_regex_search = args.regex_search
main_nobarred = args.force
main_verify = args.verify
main_nopostinstall = args.nopostinstall
main_nopostremove = args.nopostremove
main_downloads = None
main_dists = 0
main_installed = 0
# locate and parse the configuration file
main_cyg_apt_rc = self.getConfigPath()
config = None
if main_cyg_apt_rc:
config = cautils.parse_rc(main_cyg_apt_rc)
elif (main_command != "setup"):
print("{0}: no .{0}: run \"{0} setup\"".format(self.getAppName()),
file=sys.stderr)
return 1
# create a CygAptSetup instance and its dependencies
main_cygwin_p = (sys.platform == "cygwin")
is_64_bit = False
if main_cygwin_p:
# Running Cygwin python, so python architecture == Cygwin architecture
if 2**32 < sys.maxsize:
is_64_bit = True
elif config and main_command != 'setup':
# Running Windows python, so examine cygwin1.dll
pathMapper = PathMapper(config.ROOT.rstrip('\\/'), main_cygwin_p)
if cautils.pe_is_64_bit(pathMapper.mapPath("/bin/cygwin1.dll")):
is_64_bit = True
if is_64_bit:
main_arch = 'x86_64'
else:
main_arch = 'x86'
cas = CygAptSetup(main_cygwin_p, main_verbose, main_arch)
# run command
if (main_command == "setup"):
cas.setup(args.force)
return 0
elif (main_command == "help"):
cas.usage(main_cyg_apt_rc)
return 0
elif (main_command == "update"):
cas.update(main_cyg_apt_rc, main_verify, main_mirror=main_mirror)
return 0
# make an update if needed
update_not_needed = [
"ball",
"find",
"help",
"purge",
"remove",
"version",
"filelist",
"update",
"setup",
"md5",
]
always_update = config.always_update
always_update = always_update and\
main_command not in update_not_needed and\
not main_noupdate
if always_update:
cas.update(main_cyg_apt_rc, main_verify, main_mirror=main_mirror)
if main_command and main_command in dir(CygApt):
cyg_apt = CygApt(
main_packagename,
main_files,
main_cyg_apt_rc,
main_cygwin_p,
main_download_p,
main_mirror,
main_downloads,
main_distname,
main_nodeps_p,
main_regex_search,
main_nobarred,
main_nopostinstall,
main_nopostremove,
main_dists,
main_installed,
self.getAppName(),
main_verbose,
main_arch,
)
getattr(cyg_apt, main_command)()
else:
cas.usage(main_cyg_apt_rc)
return 0
def update(self, cyg_apt_rc, verify, main_mirror=None):
"""fetch current package database from mirror"""
sig_name = None
self.__rc = cautils.parse_rc(cyg_apt_rc)
if (not self.__cygwinPlatform):
self.__pm = PathMapper(self.__rc.ROOT[:-1], False)
if (main_mirror):
mirror = main_mirror
else:
mirror = self.__rc.mirror
if not mirror:
raise UnexpectedValueException(
"A mirror must be specified on the configuration file \"{0}\" "
"or with the command line option \"--mirror\". "
"See cygwin.com/mirrors.html for the list of mirrors."
"".format(cyg_apt_rc))
if not mirror[-1] == "/":
sep = "/"
else:
sep = ""
setup_ini_names = [
"setup.bz2",
"setup.ini",
]
bag = zip(setup_ini_names, list(range(len(setup_ini_names))))
platform_dir = self.__arch + "/"
for (setup_ini_name, index) in bag:
setup_ini_url = '{0}{1}{2}{3}'.format(mirror, sep, platform_dir,
setup_ini_name)
try:
cautils.uri_get(self.__tmpDir,
setup_ini_url,
verbose=self.__verbose)
except ApplicationException as e:
# Failed to find a possible .ini
if index == len(setup_ini_names) - 1:
raise e
else:
continue
# Not an error to fail to find the first one
# Take the first one we find
break
if setup_ini_name[-4:] == ".bz2":
bz_file = os.path.join(self.__tmpDir, setup_ini_name)
f = open(bz_file, "rb")
compressed = f.read()
f.close()
decomp = bz2.decompress(compressed)
os.remove(bz_file)
setup_ini_name = "setup.ini"
f = open(os.path.join(self.__tmpDir, setup_ini_name), "wb")
f.write(decomp)
f.close()
if not self.__cygwinPlatform:
sys.stderr.write(
"WARNING can't verify setup.ini outside Cygwin.\n")
verify = False
if verify:
sig_name = "{0}.sig".format(setup_ini_name)
sig_url = "{0}{1}{2}{3}".format(mirror, sep, platform_dir,
sig_name)
try:
cautils.uri_get(self.__tmpDir, sig_url, verbose=self.__verbose)
except RequestException as e:
msg = ("Failed to download signature {0} Use -X to ignore "
"signatures.".format(sig_url))
raise RequestException(msg, previous=e)
if self.__cygwinPlatform:
gpg_path = "gpg"
else:
if self._cygwinVersion() < 1.7:
gpg_path = "/usr/bin/gpg"
else:
gpg_path = "/usr/local/bin/gpg"
cmd = [gpg_path, "--verify", "--no-secmem-warning"]
cmd.append("{0}/{1}".format(self.__tmpDir, sig_name))
cmd.append("{0}/{1}".format(self.__tmpDir, setup_ini_name))
p = Process(cmd)
p.run()
verify = p.getErrorOutput()
if isinstance(verify, bytes):
marker = self.GPG_GOOD_FINGER.encode()
else:
marker = self.GPG_GOOD_FINGER
if not marker in verify:
msg = ("{0} not signed by Cygwin's public key. "
"Use -X to ignore signatures.".format(setup_ini_url))
raise SignatureException(msg)
downloads = os.path.join(
self.__pm.mapPath(self.__rc.cache),
urllib.quote(mirror + ('' if mirror.endswith('/') else '/'),
'').lower(),
platform_dir,
)
if not os.path.exists(downloads):
os.makedirs(downloads)
shutil.copy(os.path.join(self.__tmpDir, setup_ini_name),
os.path.join(downloads, setup_ini_name))
# BC layer for `setup_ini` configuration field
if self.__rc.setup_ini:
setup_ini = self.__pm.mapPath(self.__rc.setup_ini)
if os.path.exists(setup_ini):
shutil.copy(setup_ini, "{0}.bak".format(setup_ini))
shutil.copy(os.path.join(downloads, setup_ini_name), setup_ini)
if os.path.exists(os.path.join(self.__tmpDir, setup_ini_name)):
os.remove(os.path.join(self.__tmpDir, setup_ini_name))
if sig_name:
if os.path.exists(os.path.join(self.__tmpDir, sig_name)):
os.remove(os.path.join(self.__tmpDir, sig_name))
def setPathMapper(self, path_mapper=None):
if path_mapper:
assert isinstance(path_mapper, PathMapper)
self.__pm = path_mapper
else:
self.__pm = PathMapper("", self.__cygwinPlatform)
def _createPathMapper(self, root='', cygwin_p=False):
return PathMapper(root, cygwin_p)
def _createCygApt(self):
"""Creates a CygApt instance.
@return: CygApt
"""
cygapt = CygApt(
self._var_packagename,
self._var_files,
self._file_user_config,
self._var_cygwin_p,
self._var_download_p,
self._var_mirror,
self._var_downloads,
self._var_distname,
self._var_nodeps_p,
self._var_regex_search,
self._var_nobarred,
self._var_nopostinstall,
self._var_nopostremove,
self._var_dists,
self._var_installed,
self._var_exename,
self._var_verbose,
self._var_arch,
self._dir_confsetup,
)
# set attributes
rc = ConfigStructure()
rc.cache = self._dir_execache
rc.distname = 'curr'
# BC layer for `setup_ini` configuration field
del rc.__dict__['setup_ini']
rc.ROOT = self._dir_mtroot
rc.always_update = False
rc.mirror = self._var_mirror
cygapt.setRC(rc)
cygapt.setInstalledDbFile(self._file_installed_db)
self.assertEqual(self._dir_confsetup, cygapt.getSetupDir())
pm = PathMapper("", False)
pm.setRoot(self._dir_mtroot[:-1])
pm.setMountRoot(self._dir_mtroot)
pm.setMap({self._dir_mtroot: self._dir_mtroot})
expected = self._dir_mtroot
ret = pm.mapPath(self._dir_mtroot)
self.assertEqual(ret, expected)
expected = os.path.join(self._dir_mtroot, "diranme")
ret = pm.mapPath(expected)
self.assertEqual(ret, expected)
cygapt.setPathMapper(pm)
cygapt.setDists(self._var_setupIni.dists.__dict__)
if self._var_cygwin_p:
cygapt.CYG_POSTINSTALL_DIR = self._dir_postinstall
cygapt.CYG_PREREMOVE_DIR = self._dir_preremove
cygapt.CYG_POSTREMOVE_DIR = self._dir_postremove
# requires bash, ln and xz on PATH
cygapt.setDosBash("bash")
cygapt.setDosLn("ln")
cygapt.setDosXz('xz')
cygapt.setDosDash('dash')
cygapt.setPrefixRoot(self._dir_mtroot[:-1])
cygapt.setAbsRoot(self._dir_mtroot)
cygapt.setInstalled({0: {}})
cygapt.FORCE_BARRED.extend([
self._var_setupIni.barredpkg.name,
])
return cygapt
