def has(executable):
if executable in Executables._cache:
return bool(Executables._cache.get(executable))
else:
result = which(executable)
Executables._cache[executable] = result
return bool(result)
def sign_release(self):
# on ubuntu <= 16.04: gpg is gpg v1, gpg2 is gpg v2
# on ubuntu > 16.04: gpg1 is gpg v1, gpg is gpg v2
# here we want to use gpg v1 since the key handling for gpg v2 has changed
if which('gpg1'):
executable = 'gpg1'
else:
executable = 'gpg'
cmd = [executable]
cmd.extend(['--batch', '--yes',
'--homedir', str(self.datadir),
'--no-default-keyring',
'--secret-keyring', os.path.join(str(self.datadir), 'test-secring.gpg'),
'--keyring', os.path.join(str(self.datadir), 'test-pubring.gpg'),
'--digest-algo', 'SHA256',
'-abs',
'-o', os.path.join(str(self.datadir), 'Release.gpg'),
os.path.join(str(self.datadir), 'Release')])
subprocess.run(cmd, input=None, timeout=None, check=True)