package onak 0.4.6-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Jan Stavěl]

Onak failed to install due to missing zcat utility, zutils failed to install due to conflicting manpage with zfsutils, if understood t correctly.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: onak 0.4.6-1
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Sat Sep 10 19:55:32 2016
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-08-29 (11 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: onak
Title: package onak 0.4.6-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Jonathan McDowell (noodles)]

zcat should be provided by gzip which is Essential so I'm unclear how the onak postinst could have handled this better.