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#!/bin/bash
#
# Copyright (c) 2017-2018 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#---------------------------------------------------------------------
#---------------------------------------------------------------------
# Description: Bash tab completion script.
#---------------------------------------------------------------------
_runtime='@RUNTIME_NAME@'
# Return a list of sub-commands
_@PROJECT_TYPE@_get_subcmds()
{
"$_runtime" --generate-bash-completion
}
# Return a list of options for the specified sub-command
#
# Limitation: Note that this only supports long-options.
_@PROJECT_TYPE@_get_subcmd_options()
{
local subcmd="$1"
"$_runtime" "$subcmd" --help |\
egrep -- "^ *--[^ ]*[ ][^ ]*" |\
awk '{print $1}' |\
tr -d \, |\
sort
}
# Return a list of global options
_@PROJECT_TYPE@_get_global_options()
{
_@PROJECT_TYPE@_get_subcmd_options ""
}
# Return name of subcmd already seen, or ""
_@PROJECT_TYPE@_subcmd_seen()
{
local subcmds=$(_@PROJECT_TYPE@_get_subcmds)
local cmd
for cmd in $subcmds; do
local word
for word in ${COMP_WORDS[@]}; do
[ "$cmd" = "$word" ] && echo "$cmd"
done
done
echo ""
}
# Return 0 if the specified sub-command requires the name of an
# *existing* container, else 1.
_@PROJECT_TYPE@_subcmd_needs_existing_container()
{
local subcmd="$1"
local cmd
for cmd in \
'@PROJECT_TYPE@-check' \
'@PROJECT_TYPE@-env' \
'create' \
'help' \
'list' \
'version'; do
[ "$cmd" = "$subcmd" ] && return 1
done
return 0
}
# Returns a list of container names
_@PROJECT_TYPE@_get_containers()
{
# Commands that manipulate containers need root privileges.
# If the user isn't running as root, don't attempt to obtain a list
# as it will result in an error.
[ $(id -u) -eq 0 ] || return
"$_runtime" list --quiet
}
_@PROJECT_TYPE@_bash_autocomplete() {
COMPREPLY=()
local opts opt
local cur="${COMP_WORDS[COMP_CWORD]}"
for opt in \
'-h' '--help' 'help' \
'-v' '--version' 'version';
do
# No further completions possible for these commands
[ "$cur" = "$opt" ] && return 0
done
local subcmd_seen=$(_@PROJECT_TYPE@_subcmd_seen)
if [ -n "$subcmd_seen" ]; then
_@PROJECT_TYPE@_subcmd_needs_existing_container "$subcmd_seen"
local container_cmd=$?
if [ -n "$cur" ]; then
# Complete with local options and maybe container names
opts=$(_@PROJECT_TYPE@_get_subcmd_options "$subcmd_seen")
[ $container_cmd -eq 0 ] && opts="$opts $(_@PROJECT_TYPE@_get_containers)"
elif [[ "${cur}" == -* ]]; then
# Complete with local options
opts=$(_@PROJECT_TYPE@_get_subcmd_options "$subcmd_seen")
else
# Potentially complete with container names
[ $container_cmd -eq 0 ] && opts="$(_@PROJECT_TYPE@_get_containers)"
fi
else
if [ -n "$cur" ]; then
# Complete with global options and subcmds
opts="$opts $(_@PROJECT_TYPE@_get_global_options)"
opts="$opts $(_@PROJECT_TYPE@_get_subcmds)"
elif [[ "${cur}" == -* ]]; then
# Complete with global options
opts=$(_@PROJECT_TYPE@_get_global_options)
else
# Complete with subcmds
opts=$(_@PROJECT_TYPE@_get_subcmds)
fi
fi
[ -n "$opts" ] && COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
return 0
}
complete -F _@PROJECT_TYPE@_bash_autocomplete "$_runtime"