** Also affects: bash-completion (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1813090
Title:
bash completions in /usr/share/bash-completion generate unbound
variable errors
Status in bash package in Ubuntu:
New
Status in bash-completion package in Ubuntu:
New
Bug description:
After upgrading from Ubuntu 18.04 LTS to 18.04.1 LTS, I get errors
whenever I attempt to tab-complete anything from an interactive bash
prompt.
Tab-completing nothing gives me:
-bash: _xspecs[$cmd]: unbound variable
Tab-completing an existing filename gives me:
-bash: !ref: unbound variable
I've partially narrowed down the cause to me putting `set -o nounset`
in my `.bashrc` file, and something in `/usr/share/bash-completion` is
triggering these unbound variable errors. (That is, the errors go away
if I remove `set -o nounset` or if I make `/usr/share/bash-
completion/bash_completion` exit immediately.)
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