Public bug reported:
In order to get the details of volume groups, physical volumes and
logical volumes for the variety of LVM commands the bash completion
script uses vgscan, pvscan and lvscan respectively.
These commands require root permissions, so the auto completion does not
work.
Test case:
lvextend <tab>
does not show any completions
A 'solution' (more of a hack) is to add the sudo command in front of these
scan commands (in the completion file).
For example for finding the volume groups:
_lvm_volumegroups()
{
COMPREPLY=( $(compgen -W "$( sudo vgscan 2>/dev/null | \
sed -n -e 's|.*Found.*"\(.*\)".*$|\1|p' )" -- "$cur" ) )
}
When one has used sudo recently (so not login is required) the auto
completion, for the example above, works and shows the correct options.
This is obviously/unfortunately not a solution!
$ apt-cache policy bash-completion
bash-completion:
Installed: 1:2.1-2ubuntu1
Candidate: 1:2.1-2ubuntu1
Version table:
*** 1:2.1-2ubuntu1 0
100 /var/lib/dpkg/status
1:2.0-1ubuntu3 0
500 http://nl.archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages
** Affects: bash-completion (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1272247
Title:
Autocompletion of LVM volume groups, physical volumes and logical
volumes does not work
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https://bugs.launchpad.net/ubuntu/+source/bash-completion/+bug/1272247/+subscriptions
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