package docker.io (not installed) failed to install/upgrade: installed docker.io package post-removal script subprocess returned error exit status 127

[Navaneeth]

package docker.io (not installed) failed to install/upgrade: installed docker.io package post-removal script subprocess returned error exit status 127

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: docker.io (not installed)
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
Date: Sat Apr 28 15:30:18 2018
ErrorMessage: installed docker.io package post-removal script subprocess returned error exit status 127
InstallationDate: Installed on 2017-12-01 (147 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.1
SourcePackage: docker.io
Title: package docker.io (not installed) failed to install/upgrade: installed docker.io package post-removal script subprocess returned error exit status 127
UpgradeStatus: Upgraded to bionic on 2018-04-27 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Martin Günther (launchpad-domain-the-phoenix)]

This bug affects me too. It has been fixed upstream here:

https://github.com/moby/moby/pull/30519

A workaround is to edit /var/lib/docker/nuke-graph-directory.sh, and do the following replacement:

-#!/bin/sh
+#!/bin/bash