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Re: [PATCH] _virsh (Was: Re: zsh virsh completion)
Hi,
On 2016-07-20 09:58, Daniel Shahaf wrote:
> Resubjecting to draw attention to your patch.
>
> I haven't done a full review, but I did spot a couple of trivial issues:
>
> Marko Myllynen wrote on Mon, Jul 18, 2016 at 15:06:52 +0300:
>> case $service in
>> virsh)
>> if (( ! $+_cache_virsh_cmds )); then
>> _cache_virsh_cmds=( ${${${${(f):-"$(_call_program options virsh help)"}:#*:}/# ##}/ *} )
>> + for icmd in $interact_cmds; do
>
> Need to declare $icmd local.
Good catch.
>> + _cache_virsh_cmds[$_cache_virsh_cmds[(i)$icmd]]=()
>> + done
>> fi
>> if (( ! $+_cache_virsh_cmdopts )); then
>> typeset -gA _cache_virsh_cmdopts
>> fi
>> _arguments -A "-*" -C -S -s -w \
>
> Oliver remarked on the -w earlier, are you quite sure it's correct?
>
> -w In combination with -s, allow option stacking even if one
> or more of the options take arguments. For example, if
> -x takes an argument, with no -s, `-xy' is considered as
> a single (unhandled) option; with -s, -xy is an option
> with the argument `y'; with both -s and -w, -xy may be
> the option -x and the option -y with arguments still to
> come.
>
> (-s and -w are options to _arguments, -xy is a word on the command line
> being completed)
I mentioned that virsh accepts all the following: -r -d 0, -r -d0, -rd
0, or -rd0. So to me it would seem that -s -w is correct here, right?
>> - '(-c --connect)'{-c+,--connect}'[specify connection URI]:URI:_hosts' \
>
> Should be {-c+,--connect=} with an equals sign?
Hmm, perhaps that's indeed better, the virsh(1) man page doesn't use
equal sign and arguments with or without it accepted.
Below is an updated patch against git master which also completes
virt-admin(1) completion: it now completes client/server IDs/names
where needed. If the approach looks viable, perhaps we could use
something similar later on when completing domains/etc with virsh?
There's one obvious case I'm not sure how to best handle it: sudo use.
virt-admin uses a (typically) root-owned socket so without privileges
you can't get the list of clients/servers. Of course, if sudo starts to
ask password then the end result is not pretty. OTOH, if you don't have
sudo or are not root then using virt-admin is not possible. Ideas how
to do this in the most elegant fashion are most welcome.
(Please note that I will be offline for the next few weeks so I will
get back this once I'm back online again.)
---
Completion/Unix/Command/_libvirt | 103 ++++++++++++++++++++++++++++++++++-----
1 file changed, 90 insertions(+), 13 deletions(-)
diff --git a/Completion/Unix/Command/_libvirt b/Completion/Unix/Command/_libvirt
index a9249b3..c855ac9 100644
--- a/Completion/Unix/Command/_libvirt
+++ b/Completion/Unix/Command/_libvirt
@@ -1,34 +1,84 @@
-#compdef virsh
+#compdef virsh virt-admin virt-host-validate virt-pki-validate virt-xml-validate
local curcontext="$curcontext" state line expl ret=1
+local exargs="-h --help -V -v --version=short --version=long"
+local -a common_opts interact_cmds
+common_opts=(
+ '(- *)'{-h,--help}'[print help information and exit]'
+ '(- *)'{-v,--version=short}'[print short version information and exit]'
+ '(- *)'{-V,--version=long}'[print long version information and exit]'
+ "(-c --connect $exargs)"{-c+,--connect=}'[specify connection URI]:URI:_hosts'
+ "(-d --debug -q --quiet $exargs)"{-d+,--debug=}'[set debug level]:level:(0 1 2 3 4)'
+ "(-l --log $exargs)"{-l+,--log=}'[specify log file]:file:_files'
+ "(-q --quiet -d --debug $exargs)"{-q,--quiet}'[quiet mode]'
+)
+interact_cmds=(cd echo exit quit connect)
+
case $service in
virsh)
if (( ! $+_cache_virsh_cmds )); then
_cache_virsh_cmds=( ${${${${(f):-"$(_call_program options virsh help)"}:#*:}/# ##}/ *} )
+ local icmd
+ for icmd in $interact_cmds; do
+ _cache_virsh_cmds[$_cache_virsh_cmds[(i)$icmd]]=()
+ done
fi
if (( ! $+_cache_virsh_cmdopts )); then
typeset -gA _cache_virsh_cmdopts
fi
_arguments -A "-*" -C -S -s -w \
- '(- *)'{-h,--help}'[print help information and exit]' \
- '(- *)'{-v,--version=short}'[print short version information and exit]' \
- '(- *)'{-V,--version=long}'[print long version information and exit]' \
- '(-c --connect)'{-c+,--connect}'[specify connection URI]:URI:_hosts' \
- '(-d --debug)'{-d+,--debug}'[set debug level]:level:(0 1 2 3 4)' \
- '(-e --escape)'{-e+,--escape}'[set escape sequence for console]:sequence' \
- '(-k --keepalive-interval)'{-k+,--keepalive-interval}'[set keepalive interval]:interval' \
- '(-K --keepalive-count)'{-K+,--keepalive-count}'[set keepalive count]:count' \
- '(-l --log)'{-l+,--log}'[specify log file]:file:_files' \
- '(-q --quiet)'{-q,--quiet}'[quiet mode]' \
- '(-r --readonly)'{-r,--readonly}'[connect readonly]' \
- '(-t --timing)'{-t,--timing}'[print timing information]' \
+ "$common_opts[@]" \
+ "(-e --escape $exargs)"{-e+,--escape=}'[set escape sequence for console]:sequence' \
+ "(-k --keepalive-interval $exargs)"{-k+,--keepalive-interval=}'[set keepalive interval]:interval' \
+ "(-K --keepalive-count $exargs)"{-K+,--keepalive-count=}'[set keepalive count]:count' \
+ "(-r --readonly $exargs)"{-r,--readonly}'[connect readonly]' \
+ "(-t --timing $exargs)"{-t,--timing}'[print timing information]' \
'1:command:->virsh_cmds' \
'*:cmdopt:->virsh_cmdopts' && return
# We accept only virsh command options after the first non-option argument
# (i.e., the virsh command itself), this makes it so with the -A "-*" above
[[ -z $state ]] && state=virsh_cmdopts
;;
+ virt-admin)
+ if (( ! $+_cache_virt_admin_cmds )); then
+ _cache_virt_admin_cmds=( ${${${${(f):-"$(_call_program options virt-admin help)"}:#*:}/# ##}/ *} )
+ local icmd
+ for icmd in $interact_cmds; do
+ _cache_virt_admin_cmds[$_cache_virt_admin_cmds[(i)$icmd]]=()
+ done
+ fi
+ if (( ! $+_cache_virt_admin_cmdopts )); then
+ typeset -gA _cache_virt_admin_cmdopts
+ fi
+ _arguments -A "-*" -C -S -s -w \
+ "$common_opts[@]" \
+ '1:command:->virt_admin_cmds' \
+ '*:cmdopt:->virt_admin_cmdopts' && return
+ # Same as with virsh above
+ [[ -z $state ]] && state=virt_admin_cmdopts
+ ;;
+ virt-host-validate)
+ _arguments -A "-*" -S \
+ '(- *)'{-h,--help}'[print help information and exit]' \
+ '(- *)'{-v,--version}'[print version information and exit]' \
+ '(- *)'{-q,--quiet}'[quiet mode]' \
+ '1:hv-type:(qemu lxc)' && return
+ ;;
+ virt-pki-validate)
+ _arguments -A "-*" -S \
+ '(- *)'{-h,--help}'[print help information and exit]' \
+ '(- *)'{-V,--version}'[print version information and exit]' \
+ && return
+ ;;
+ virt-xml-validate)
+ _arguments -A "-*" -S \
+ '(- *)'{-h,--help}'[print help information and exit]' \
+ '(- *)'{-V,--version}'[print version information and exit]' \
+ '1:file:_files -g "*.xml(-.)"' \
+ '2:schema:(domainsnapshot domain network storagepool storagevol nodedev capability nwfilter secret interface)' \
+ && return
+ ;;
esac
case $state in
@@ -50,6 +100,33 @@ case $state in
fi
_values -w options ${=_cache_virsh_cmdopts[$cmd]} && ret=0
;;
+ virt_admin_cmds)
+ _wanted commands expl 'virt-admin command' compadd -a _cache_virt_admin_cmds && ret=0
+ ;;
+ virt_admin_cmdopts)
+ local cmd
+ for (( i = 2; i <= $#words; i++ )); do
+ [[ -n "${_cache_virt_admin_cmds[(r)$words[$i]]}" ]] && cmd=$words[$i] && break
+ done
+ [[ -z $cmd ]] && return 1
+ if [[ $words[-2] == --server ]]; then
+ _values servers ${=${(S)${${(f)$(sudo virt-admin srv-list)}##*--- }//[0-9]* }} && return 0
+ fi
+ if [[ $words[-2] == --client ]]; then
+ local srv
+ for (( i = 2; i <= $#words; i++ )); do
+ [[ $words[$i] == --server ]] && srv=$words[$i+1] && break
+ done
+ [[ -z $srv ]] && return 1
+ _values servers ${=${${(f):-"$(sudo virt-admin srv-clients-list --server $srv)"}/ [a-z]*}//[^0-9]} && return 0
+ fi
+ if [[ -z $_cache_virt_admin_cmdopts[$cmd] ]]; then
+ _cache_virt_admin_cmdopts[$cmd]=${(M)${${${${=${(f)"$(_call_program virt-admin virt-admin help $cmd 2>&1)"}}/\[}/\]}/\;}:#-[-0-9A-Za-z]*}
+ fi
+ [[ -n $_cache_virt_admin_cmdopts[$cmd] ]] && \
+ _values -w options ${=_cache_virt_admin_cmdopts[$cmd]} && ret=0
+ ;;
+
esac
return ret
Thanks,
--
Marko Myllynen
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