[Pkg-utopia-maintainers] Bug#902474: policykit-1 postinst fails with "--runtime cannot be used with unmask"

[Daniel Kahn Gillmor]

Package: policykit-1
Version: 0.105-20
Severity: normal

root at clyde:~# apt -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up policykit-1 (0.105-20) ...
--runtime cannot be used with unmask
dpkg: error processing package policykit-1 (--configure):
 installed policykit-1 package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 policykit-1
E: Sub-process /usr/bin/dpkg returned an error code (1)
root at clyde:~# 

-- System Information: 
Debian Release: buster/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Kernel: Linux 4.16.0-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: 
AppArmor: enabled
Versions of packages policykit-1 depends on:
ii dbus 1.12.8-3
ii libc6 2.27-3
ii libglib2.0-0 2.56.1-2
ii libpam-systemd 239-1
ii libpam0g 1.1.8-3.7
ii libpolkit-agent-1-0 0.105-20
ii libpolkit-backend-1-0 0.105-20
ii libpolkit-gobject-1-0 0.105-20

policykit-1 recommends no packages.
policykit-1 suggests no packages.
no debconf information