File virsh.sh of Package virsh-bash-completion

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File virsh.sh of Package virsh-bash-completion

# bash completion for virsh
#
# Copyright 2009-2011 Todd Zullinger <tmz@pobox.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# NOTE: This is a very basic completion script I created for my personal use.
# It is far from complete nor suitably tested to submit upstream to either the
# bash-completion or libvirt projects. -- tmz, 2011/01/26

__virsh_connect="-c qemu:///system --readonly"
__virsh_options="$( virsh -h | awk '/^ +-/ { print $3 }' )"
__virsh_commands="$( virsh $__virsh_connect help 2>/dev/null | awk '/^ +/ { print $1 }' )"

_virsh()
{
    local cur prev

COMPREPLY=()

# _get_comp_words_by_ref is in bash-completion >= 1.2, which EL-5 lacks.
    if type _get_comp_words_by_ref &>/dev/null; then
        _get_comp_words_by_ref cur prev
    else
        cur="${COMP_WORDS[COMP_CWORD]}"
        prev="${COMP_WORDS[COMP_CWORD-1]}"
    fi

if [[ $COMP_CWORD -eq 1 ]]; then
        if [[ "$cur" == -* ]]; then
            COMPREPLY=( $( compgen -W '$__virsh_options' -- $cur ) )
        else
            COMPREPLY=( $( compgen -W '$__virsh_commands' -- $cur ) )
        fi
        return 0
    fi

command=${COMP_WORDS[1]}

case $command in
        autostart|setmaxmem|setmem)
            COMPREPLY=( $( compgen -W "$( virsh $__virsh_connect list --all 2>/dev/null | \
                            awk '/^( *[0-9]+| +-)[ \t]+/ { print $2 }' )" -- $cur ) )
            return 0
            ;;
        connect)
            COMPREPLY=( $( compgen -W '--readonly xen:/// qemu:///') )
            return 0
            ;;
        console|reboot|shutdown|suspend|vcpuinfo|vncdisplay)
            COMPREPLY=( $( compgen -W "$( virsh $__virsh_connect list | \
                            awk '/^ *[0-9]+[ \t]+/ { print $2 }' )" -- $cur ) )
            return 0
            ;;
        help)
            COMPREPLY=( $( compgen -W '$__virsh_commands' -- $cur ) )
            return 0
            ;;
        list)
            COMPREPLY=( $( compgen -W '--all --inactive' -- $cur ) )
            return 0
            ;;
        resume)
            COMPREPLY=( $( compgen -W "$( virsh $__virsh_connect list 2>/dev/null | \
                            awk '/^ +[0-9]+[ \t]+.*[ \t]+paused$/ { print $2 }' )" -- $cur ) )
            return 0
            ;;
        setvcpus|start|undefine)
            COMPREPLY=( $( compgen -W "$( virsh $__virsh_connect list --inactive 2>/dev/null | \
                            awk '/^ +-/ { print $2 }' )" -- $cur ) )
            return 0
            ;;
    esac

_filedir
    return 0
} &&
complete -F _virsh $filenames virsh

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