Ubuntu
bash-completion package

bash completion doesn't perform filename processing for ssh -i

Bug #139674 reported by Adam Simpkins
10
Affects Status Importance Assigned to Milestone
bash-completion (Debian)
Fix Released
Unknown
bash-completion (Ubuntu)
Triaged
Low
Unassigned

Bug Description

Binary package hint: bash

In /etc/bash_completion, the completion for the "ssh" command doesn't use the
"-o filenames" option. As a result, filename processing isn't performed on the
completed results. (In particular, this includes adding a trailing slash to
directory names.)

This is nice for most cases, but ssh's "-i" option does take a filename
argument. The lack of filename processing can be rather annoying when trying
to specify a key in a deep path.

Unfortunately, I'm not sure if bash provides an easy way to enable the
"-o filenames" behavior only for certain arguments. I think it may only be
possible to set it on a per-command basis. Therefore the only way to fix this
may be to manually perform this processing in the _filedir() function in
/etc/bash_completion (or perhaps just in the _ssh() function).

Either way, this is a very low priority bug.

Tags: patch trusty
Revision history for this message
Mika Fischer (zoop) wrote :

I'm not sure this is even fixable without changes to bash itself...

Changed in bash-completion:
status: New → Confirmed
Mika Fischer (zoop)
Changed in bash-completion:
importance: Undecided → Low
status: Confirmed → Triaged
Bug Watch Updater (bug-watch-updater)
Changed in bash-completion:
status: Unknown → Confirmed
Revision history for this message
Eliah Kagan (degeneracypressure) wrote :

What version of bash-completion does this occur with? I have bash 4.1-2ubuntu4 and bash-completion 1:1.2-2ubuntu1 on Maverick amd64, and when I type "ssh -i ~/.ssh/" and then press tab, I see the options:

ek@Apok:~$ ssh -i ~/.ssh/
~/.ssh/id_rsa ~/.ssh/id_rsa.pub ~/.ssh/known_hosts

When I type "ssh -i ~/.ssh/id_rsa." and press tab, it expands to "ssh -i ~/.ssh/id_rsa.pub". So bash-completion works correctly for ssh -i on my system.

Revision history for this message
Daniel Black (daniel-black) wrote :

the function i wrote for ssh-add in #376546 would work here.

Revision history for this message
Daniel Black (daniel-black) wrote :

further to the previous comment, here is the modification to the ssh bash_completion to handle -i searching for keys

This depends on the _ssh-add as per the (second) attachment in bug #376546

Revision history for this message
Ubuntu Foundations Team Bug Bot (crichton) wrote :

The attachment "patch to ssh bash completion" of this bug report has been identified as being a patch. The ubuntu-reviewers team has been subscribed to the bug report so that they can review the patch. In the event that this is in fact not a patch you can resolve this situation by removing the tag 'patch' from the bug report and editing the attachment so that it is not flagged as a patch. Additionally, if you are member of the ubuntu-sponsors please also unsubscribe the team from this bug report.

[This is an automated message performed by a Launchpad user owned by Brian Murray. Please contact him regarding any issues with the action taken in this bug report.]

tags: added: patch
Bug Watch Updater (bug-watch-updater)
Changed in bash-completion (Debian):
status: Confirmed → Fix Released
Revision history for this message
Daniel Black (daniel-black) wrote :

updated patches that have been submitted upstream:

https://github.com/grooverdan/bash-completion/tree/ssh-identityfile

Mathew Hodson (mhodson)
tags: added: trusty
removed: bash bashcompletion completion jankunder scp ssh
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