[Bug 1845529] Re: bash completion shows `awk: line 18: function gensub never defined` on `umount /dev/<Tab>`

[Steve Langasek]

** Changed in: gawk (Ubuntu Eoan)
       Status: New => Invalid

** Changed in: mawk (Ubuntu Eoan)
       Status: New => Invalid

** Changed in: ubuntu-meta (Ubuntu Eoan)
       Status: New => Invalid

** Tags added: verification-needed verification-needed-eoan

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https://bugs.launchpad.net/bugs/1845529

Title:
  bash completion shows `awk: line 18: function gensub never defined` on
  `umount /dev/<Tab>`

Status in bash-completion package in Ubuntu:
  Invalid
Status in ubuntu-meta package in Ubuntu:
  Invalid
Status in util-linux package in Ubuntu:
  Fix Released
Status in bash-completion source package in Eoan:
  Invalid
Status in gawk source package in Eoan:
  Invalid
Status in mawk source package in Eoan:
  Invalid
Status in ubuntu-meta source package in Eoan:
  Invalid
Status in util-linux source package in Eoan:
  Fix Committed
Status in bash-completion source package in Focal:
  Invalid
Status in gawk source package in Focal:
  Invalid
Status in mawk source package in Focal:
  Invalid
Status in ubuntu-meta source package in Focal:
  Invalid
Status in util-linux source package in Focal:
  Fix Released
Status in Debian:
  Confirmed

Bug description:
  [Impact]
  Any user attempting to tab-complete from "umount /dev/" when running the bash shell.

  [Test cases]
  Steps to reproduce:
  1. Install Ubuntu MATE 19.10 using minimal desktop option
  2. Open terminal and enter `umount /dev/s` and then hit <Tab>

  Expected result:
  * bash completion works as expected

  Actual results:
  * bash completion does not work :

  $ umount /dev/awk: line 18: function gensub never defined
  awk: line 18: function gensub never defined
  awk: line 18: function gensub never defined
  awk: line 18: function gensub never defined

  $ umount /meawk: line 18: function gensub never defined
  awk: line 18: function gensub never defined
  awk: line 18: function gensub never defined
  awk: line 18: function gensub never defined

  
  [Regression potential]
  Since it is limited to a single file (/usr/share/bash-completion/completions/umount) and affects only it, as well as given that it currently does not work, I estimate this as a low risk change. Things to look out for as a regression would be if another previously-working completion would fail to work (ie. what if mount stops completing correctly, and works again if the fix is backed out?).

  ---

  
  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: bash-completion 1:2.9-1ubuntu1
  ProcVersionSignature: Ubuntu 5.3.0-10.11-generic 5.3.0-rc8
  Uname: Linux 5.3.0-10-generic x86_64
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Thu Sep 26 18:46:59 2019
  Dependencies:

  InstallationDate: Installed on 2019-09-26 (0 days ago)
  InstallationMedia: Ubuntu-MATE 19.10 "Eoan Ermine" - Beta amd64 (20190926.1)
  PackageArchitecture: all
  SourcePackage: bash-completion
  UpgradeStatus: No upgrade log present (probably fresh install)

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