Errors when using fish shell

[budric]

Hi,

Great software package! Thank you.

When the remote user is configured to use fish shell, the check fails when executing:
set -o pipefail; rpm -qa --queryformat '%{NAME} %{VERSION} %{RELEASE}'
I believe the issue is tab characters between %{NAME} %{VERSION} %{RELEASE} headers.

It's not an issue with unknown option as debug output suggests.

Some debug output from vuls near the error:

[Apr  6 17:18:41] DEBUG [zabbix:22] SSH executed. cmd: set -o pipefail; rpm -qa --queryformat '%{NAME}  %{VERSION}  %{RELEASE}
', status: <nil>
stdout: 
set: Unknown option '-o'
Standard input: set -o pipefail; rpm -qa --queryformat '%{NAME} %{VERSION}  %{RELEASE}
                ^
hawkey  0.5.8   2.git.0.202b194.el7
<snip> rest of my packages in similar format </snip>

stderr: 

[Apr  6 17:18:41] ERROR [zabbix:22] Failed to scan installed packages

[aidabeorn]

It does seem to rely on bash on the remote end, the issue is infact set -o pipefail, fish doesn't have -o, zsh(which I use) doesn't have the option pipefail until zsh 5.0.8

[budric]

Yes, you're right it is the set -o pipefail. My mistake.

[kotakanbe]

I am installing fish-shell (first time in my life)

[kotakanbe]

fish shell is so cool!!!

[kotakanbe]

fish-shell is awesome.
I tried but It seems difficult to support fish-shell or old zsh.
Please create a user with bash login shell on target servers.

[kotakanbe]

I will update README about this.
Thanks for reporting.

[kotakanbe]

update README.md
ac77cc1