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Bash completion for docker context command family #1619

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merged 2 commits into from
Jan 29, 2019
Merged

Bash completion for docker context command family #1619

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41bd8da
Add bash completion for the `context` command family
albers Jan 17, 2019
884d078
Add bash completion for global `--context|-c` option
albers Jan 22, 2019
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206 changes: 204 additions & 2 deletions contrib/completion/bash/docker
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,7 @@ __docker_previous_extglob_setting=$(shopt -p extglob)
shopt -s extglob

__docker_q() {
docker ${host:+-H "$host"} ${config:+--config "$config"} 2>/dev/null "$@"
docker ${host:+--host "$host"} ${config:+--config "$config"} ${context:+--context "$context"} 2>/dev/null "$@"
}

# __docker_configs returns a list of configs. Additional options to
Expand Down Expand Up @@ -178,6 +178,31 @@ __docker_complete_container_ids() {
COMPREPLY=( $(compgen -W "${containers[*]}" -- "$cur") )
}

# __docker_contexts returns a list of contexts without the special "default" context.
# Completions may be added with `--add`, e.g. `--add default`.
__docker_contexts() {
local add=()
while true ; do
case "$1" in
--add)
add+=("$2")
shift 2
;;
*)
break
;;
esac
done
__docker_q context ls -q
echo "${add[@]}"
}

__docker_complete_contexts() {
local contexts=( $(__docker_contexts "$@") )
COMPREPLY=( $(compgen -W "${contexts[*]}" -- "$cur") )
}


# __docker_images returns a list of images. For each image, up to three representations
# can be generated: the repository (e.g. busybox), repository:tag (e.g. busybox:latest)
# and the ID (e.g. sha256:ee22cbbd4ea3dff63c86ba60c7691287c321e93adfc1009604eb1dde7ec88645).
Expand Down Expand Up @@ -1133,6 +1158,10 @@ _docker_docker() {
_filedir -d
return
;;
--context|-c)
__docker_complete_contexts
return
;;
--log-level|-l)
__docker_complete_log_levels
return
Expand Down Expand Up @@ -2234,6 +2263,172 @@ _docker_container_wait() {
}


_docker_context() {
local subcommands="
create
export
import
inspect
ls
rm
update
use
"
local aliases="
list
remove
"
__docker_subcommands "$subcommands $aliases" && return

case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--help" -- "$cur" ) )
;;
*)
COMPREPLY=( $( compgen -W "$subcommands" -- "$cur" ) )
;;
esac
}

_docker_context_create() {
case "$prev" in
--default-stack-orchestrator)
COMPREPLY=( $( compgen -W "all kubernetes swarm" -- "$cur" ) )
return
;;
--description|--docker|--kubernetes)
return
;;
esac

case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--default-stack-orchestrator --description --docker --help --kubernetes" -- "$cur" ) )
;;
esac
}

_docker_context_export() {
case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--help --kubeconfig" -- "$cur" ) )
;;
*)
local counter=$(__docker_pos_first_nonflag)
if [ "$cword" -eq "$counter" ]; then
__docker_complete_contexts
elif [ "$cword" -eq "$((counter + 1))" ]; then
_filedir
fi
;;
esac
}

_docker_context_import() {
case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--help" -- "$cur" ) )
;;
*)
local counter=$(__docker_pos_first_nonflag)
if [ "$cword" -eq "$counter" ]; then
:
elif [ "$cword" -eq "$((counter + 1))" ]; then
_filedir
fi
;;
esac
}

_docker_context_inspect() {
case "$prev" in
--format|-f)
return
;;
esac

case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--format -f --help" -- "$cur" ) )
;;
*)
__docker_complete_contexts
;;
esac
}

_docker_context_list() {
_docker_context_ls
}

_docker_context_ls() {
case "$prev" in
--format|-f)
return
;;
esac

case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--format -f --help --quiet -q" -- "$cur" ) )
;;
esac
}

_docker_context_remove() {
_docker_context_rm
}

_docker_context_rm() {
case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--force -f --help" -- "$cur" ) )
;;
*)
__docker_complete_contexts
;;
esac
}

_docker_context_update() {
case "$prev" in
--default-stack-orchestrator)
COMPREPLY=( $( compgen -W "all kubernetes swarm" -- "$cur" ) )
return
;;
--description|--docker|--kubernetes)
return
;;
esac

case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--default-stack-orchestrator --description --docker --help --kubernetes" -- "$cur" ) )
;;
*)
local counter=$(__docker_pos_first_nonflag)
if [ "$cword" -eq "$counter" ]; then
__docker_complete_contexts
fi
;;
esac
}

_docker_context_use() {
case "$cur" in
-*)
COMPREPLY=( $( compgen -W "--help" -- "$cur" ) )
;;
*)
local counter=$(__docker_pos_first_nonflag)
if [ "$cword" -eq "$counter" ]; then
__docker_complete_contexts --add default
fi
;;
esac
}


_docker_commit() {
_docker_container_commit
}
Expand Down Expand Up @@ -5147,6 +5342,7 @@ _docker() {
local management_commands=(
config
container
context
image
network
node
Expand Down Expand Up @@ -5227,6 +5423,7 @@ _docker() {
"
local global_options_with_args="
--config
--context -c
--host -H
--log-level -l
--tlscacert
Expand All @@ -5239,7 +5436,7 @@ _docker() {
# variables to cache client info, populated on demand for performance reasons
local client_experimental stack_orchestrator_is_kubernetes stack_orchestrator_is_swarm

local host config
local host config context

COMPREPLY=()
local cur prev words cword
Expand All @@ -5262,6 +5459,11 @@ _docker() {
(( counter++ ))
config="${words[$counter]}"
;;
# save context so that completion can use custom daemon
--context|-c)
(( counter++ ))
context="${words[$counter]}"
;;
$(__docker_to_extglob "$global_options_with_args") )
(( counter++ ))
;;
Expand Down