Traceback when use bad Blacklist Pattern

[kszyma]

Hi,

when i use the following pattern in my /etc/apt/apt.conf.d/50unattended-upgrades

Unattended-Upgrade::Package-Blacklist {
      "*php7*";
  };

i get the following error:

Marking not allowed <apt_pkg.PackageFile object: filename:'/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_focal_main_i18n_Translation-en'  a=focal,c=main,v=20.04,o=Ubuntu,l=Ubuntu arch='' site='archive.ubuntu.com' IndexType='Debian Translation Index' Size=3027779 ID:1> with -32768 pin
Marking not allowed <apt_pkg.PackageFile object: filename:'/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_focal_main_binary-amd64_Packages'  a=focal,c=main,v=20.04,o=Ubuntu,l=Ubuntu arch='amd64' site='archive.ubuntu.com' IndexType='Debian Package Index' Size=5826751 ID:0> with -32768 pin
An error occurred: nothing to repeat at position 0
Traceback (most recent call last):
  File "/usr/bin/unattended-upgrades", line 1985, in main
    res = run(options, rootdir, mem_log, logfile_dpkg,
  File "/usr/bin/unattended-upgrades", line 2126, in run
    cache = UnattendedUpgradesCache(rootdir=rootdir)
  File "/usr/bin/unattended-upgrades", line 171, in __init__
    apt.Cache.__init__(self, rootdir=rootdir)
  File "/usr/lib/python3/dist-packages/apt/cache.py", line 170, in __init__
    self.open(progress)
  File "/usr/bin/unattended-upgrades", line 333, in open
    self.apply_pinning(self.pinning_from_config())
  File "/usr/bin/unattended-upgrades", line 291, in pinning_from_config
    pins.extend(self.pinning_from_regex_list(  # type: ignore
  File "/usr/bin/unattended-upgrades", line 264, in pinning_from_regex_list
    if re.match(regex, pkg.name):
  File "/usr/lib/python3.8/re.py", line 191, in match
    return _compile(pattern, flags).match(string)
  File "/usr/lib/python3.8/re.py", line 304, in _compile
    p = sre_compile.compile(pattern, flags)
  File "/usr/lib/python3.8/sre_compile.py", line 764, in compile
    p = sre_parse.parse(p, flags)
  File "/usr/lib/python3.8/sre_parse.py", line 948, in parse
    p = _parse_sub(source, state, flags & SRE_FLAG_VERBOSE, 0)
  File "/usr/lib/python3.8/sre_parse.py", line 443, in _parse_sub
    itemsappend(_parse(source, state, verbose, nested + 1,
  File "/usr/lib/python3.8/sre_parse.py", line 668, in _parse
    raise source.error("nothing to repeat",
re.error: nothing to repeat at position 0

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.3 LTS"

Python 3.8.10

unattended-upgrades 2.3ubuntu0.1

[julian-klode]

You used a glob-style pattern where a regular expression is required.

[kszyma]

Ah OK...you are right, thanks. But what do you think about a better "error message" ? ;)