#
#  /etc/bash_completion.d/xen-tools
#
# Completion functions for Bash.  
#
# This file offers basic support for all the command line options, along with
# some specialist support to complete filesystem types, distribution targets,
# virtual images and hostnames.
#
# Hostname completion will only work if 'dir=xxx' has been filled out
# within the configuration file /etc/xen-tools/xen-tools.conf
#
#  References on command line completion:
#
#    http://www.debian-administration.org/articles/316
#    http://www.debian-administration.org/articles/317
#    http://dev.gentoo.org/~plasmaroo/devmanual/tasks-reference/completion/
#
# Steve
# --
# http://www.steve.org.uk
#
# $Id: xen-tools,v 1.11 2005-12-24 03:15:13 steve Exp $
#



#
#  Completion for xen-create-image
#
#  Completes the command line flags, and will allow tab completion of
# the supported filesystems
#
_xen-create-image()
{
	local cur prev i exprfound onlyonce

	COMPREPLY=()
	cur=${COMP_WORDS[COMP_CWORD]}
	prev=${COMP_WORDS[COMP_CWORD-1]}


	#
        # Complete the initial part of the IP in the configuration file.
        ip=`grep ^gateway /etc/xen-tools/xen-tools.conf | awk -F'= '  '{print $2}'`
 

	case "$prev" in
	--fs)
		COMPREPLY=( $( compgen -W 'xfs ext3 reiserfs'  -- \
		"${COMP_WORDS[COMP_CWORD]}" ) )
		return 0
		;;
	--dist)
		COMPREPLY=( $( compgen -W 'sid sarge etch'  -- \
		"${COMP_WORDS[COMP_CWORD]}" ) )
		return 0
		;;
	--ip)
	        ip=`echo ${ip} | sed -e 's/[.][^.]*$/./'`
	        COMPREPLY=( $(compgen -W "${ip}" -- ${cur}) )
	        return 0
	        ;;
	esac

	_expand || return 0

	# complete using basic options
	COMPREPLY=( $( compgen -W '--broadcast --boot --debug --debootstrap --dhcp --dir --dist --fs --gateway --help --hostname --ip --manual --memory --mirror  --size --swap --version' -- $cur ) )

	COMPREPLY=( $( echo "${COMP_WORDS[@]}" | \
		       (while read -d ' ' i; do
			    [ "$i" == "" ]
			    continue
			    # flatten array with spaces on either side,
			    # otherwise we cannot grep on word boundaries of
			    # first and last word
			    COMPREPLY=" ${COMPREPLY[@]} "
			    # remove word from list of completions
			    COMPREPLY=( ${COMPREPLY/ ${i%% *} / } )
			done
			echo ${COMPREPLY[@]})
		  ) )
	
	_filedir 
	
	return 0
}
complete -F _xen-create-image $filenames xen-create-image




#
#  Completion for xen-duplicate-image
#
_xen_duplicate_image() 
{
    local cur prev opts base
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    opts="--broadcast --dhcp --dir --from --gateway --help --hostname --ip --manual --netmask --version"

    if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] || \
       [[ ${prev} == @(-q|--quiet) ]] ; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi


    #
    # Complete the initial part of the IP in the configuration file.
    ip=`grep ^gateway /etc/xen-tools/xen-tools.conf | awk -F'= '  '{print $2}'`
 
    #
    # First of all the base directory comes from the configuration file.
    #
    base=`grep ^dir /etc/xen-tools/xen-tools.conf | awk -F'= '  '{print $2}'`
    base=${base}/domains/

    #
    #
    #

    case "${prev}" in
        --from)
	    if [[ ${base} != '/domains/' ]] ; then
		local names=$(for x in `ls -1 ${base}`; do echo ${x} ; done )
		COMPREPLY=( $(compgen -W "${names}" -- ${cur}) )
	    fi
            return 0
            ;;
	--ip)
	    ip=`echo ${ip} | sed -e 's/[.][^.]*$/./'`
	    COMPREPLY=( $(compgen -W "${ip}" -- ${cur}) )
	    return 0
	    ;;
        *)
            COMPREPLY=($(compgen -W "${opts} -- ${cur}"))  
            return 0
        ;;
    esac
}
complete -F _xen_duplicate_image xen-duplicate-image



#
#  Completion for xen-delete-image
#
_xen_delete_image() 
{
    local cur prev opts base
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    opts="--dir --hostname --help --manual --version"

    if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] || \
       [[ ${prev} == @(-q|--quiet) ]] ; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi
 
    #
    # First of all the base directory comes from the configuration file.
    #
    base=`grep ^dir /etc/xen-tools/xen-tools.conf | awk -F'= '  '{print $2}'`
    base=${base}/domains/

    #
    #
    #

    case "${prev}" in
        --hostname)
	    if [[ ${base} != '/domains/' ]] ; then
		local names=$(for x in `ls -1 ${base}`; do echo ${x} ; done )
		COMPREPLY=( $(compgen -W "${names}" -- ${cur}) )
	    fi
            ;;
        *)
                COMPREPLY=($(compgen -W "${opts} -- ${cur}"))
        ;;
    esac
}
complete -F _xen_delete_image xen-delete-image



#
#  Completion for xen-update-image
#
_xen_update_image() 
{
    local cur prev opts base
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    opts="--dir --hostname --help --manual --version"

    if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] || \
       [[ ${prev} == @(-q|--quiet) ]] ; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi
 
    #
    # First of all the base directory comes from the configuration file.
    #
    base=`grep ^dir /etc/xen-tools/xen-tools.conf | awk -F'= '  '{print $2}'`
    base=${base}/domains/

    #
    #
    #

    case "${prev}" in
        --hostname)
	    if [[ ${base} != '/domains/' ]] ; then
		local names=$(for x in `ls -1 ${base}`; do echo ${x} ; done )
		COMPREPLY=( $(compgen -W "${names}" -- ${cur}) )
	    fi
            ;;
        *)
                COMPREPLY=($(compgen -W "${opts} -- ${cur}"))
        ;;
    esac
}
complete -F _xen_update_image xen-update-image



#
#  Completion for xen-list-images
#
_xen_list_images() 
{
    local cur prev opts
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    opts="--dir --help --manual --version"

    if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]]; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi
 
}
complete -F _xen_list_images xen-list-images