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zsh: correctly parse available subcommands 

A lot of flags have been added on the output of `docker help`. Use a
more robust method to extract the list of available subcommands by
spotting the `Command:` line and the next blank line.

Signed-off-by: Vincent Bernat <vincent@bernat.im>
This commit is contained in:
Vincent Bernat 2014-11-23 00:45:14 +01:00
parent c59b308b6b
commit 34fe2a3725
1 changed files with 3 additions and 1 deletions
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4
contrib/completion/zsh/_docker
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@ -177,7 +177,9 @@ __docker_commands () {
if ( [[ ${+_docker_subcommands} -eq 0 ]] || _cache_invalid docker_subcommands) \
&& ! _retrieve_cache docker_subcommands;
then
_docker_subcommands=(${${${${(f)"$(_call_program commands docker 2>&1)"}[5,-1]}## #}/ ##/:})
local -a lines
lines=(${(f)"$(_call_program commands docker 2>&1)"})
_docker_subcommands=(${${${lines[$((${lines[(i)Commands:]} + 1)),${lines[(I) *]}]}## #}/ ##/:})
_docker_subcommands=($_docker_subcommands 'help:Show help for a command')
_store_cache docker_subcommands _docker_subcommands
fi