File: bash_completion

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#-*- mode: shell-script;-*-

# Programmed completion for bash to use quilt
# Copyright 2003-2004 Martin Quinson (martin quinson#debian org)

# This file is part of the distribution of quilt, and is distributed under
# the same licence than quilt itself

if type quilt &> /dev/null ; then

if ! type _expand &> /dev/null ; then
    # This function expands tildes in pathnames
    #
    _expand()
    {
	[ "$cur" != "${cur%\\}" ] && cur="$cur"'\'

	# expand ~username type directory specifications
	if [[ "$cur" == \~*/* ]]; then
	    eval cur=$cur
	elif [[ "$cur" == \~* ]]; then
	    cur=${cur#\~}
	    COMPREPLY=( $( compgen -P '~' -u $cur ) )
	    return ${#COMPREPLY[@]}
	fi
    }
fi

if ! type _filedir &> /dev/null ; then
    # This function performs file and directory completion. It's better than
    # simply using 'compgen -f', because it honours spaces in filenames
    #
    _filedir()
    {
	local IFS=$'\t\n'

	_expand || return 0

	if [ "$1" = -d ]; then
	    COMPREPLY=( ${COMPREPLY[@]} $( compgen -d -- $cur ) )
	    return 0
	fi
	COMPREPLY=( ${COMPREPLY[@]} $( eval compgen -f -- \"$cur\" ) )
    }
fi

if ! type _longopt &> /dev/null ; then
    _longopt()
    {
	local cur opt

	cur=${COMP_WORDS[COMP_CWORD]}

	if [[ "$cur" == "--*=*" ]]; then
	    opt=${cur%%=*}
	    # cut backlash that gets inserted before '=' sign
	    opt=${opt%\\*}
	    cur=${cur#*=}
	    _filedir
	    COMPREPLY=( $( compgen -P "$opt=" -W '${COMPREPLY[@]}' -- $cur))
	    return 0
	fi

	if [[ "$cur" == "-*" ]]; then
	    COMPREPLY=( $( $1 --help 2>&1 | sed  -e '/--/!d' \
			    -e 's/.*\(--[-A-Za-z0-9]\+=\?\).*/\1/' | \
			   grep "^$cur" | sort -u ) )
	elif [[ "$1" == "@(mk|rm)dir" ]]; then
	    _filedir -d
	else
	    _filedir
	fi
    }
fi

# Complete on files, not on directories
#
# Directories are shown in completion, but with their trailing / so that
#  user can go in them. It ought to be a more standard way to achieve this.
#
_quilt_comfile()
{
	COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -f -- "$cur" ) )
	echo $( compgen -d -- "$cur" ) | while read d ; do 
 	  COMPREPLY=( ${COMPREPLY[@]:-} "$d/" )
        done
}

_quilt_completion()
{
    local cur prev cmds command_matches

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

    # quilt sub commands 
    cmds='add annotate applied delete diff edit files fold fork graph \
          grep header import mail new next patches pop previous push refresh \
	  remove rename revert series setup shell snapshot top unapplied'

    # if no command were given, complete on commands
    if [[ $COMP_CWORD -eq 1 ]] ; then
	COMPREPLY=( $( compgen -W "$cmds -h" -- $cur ) )
	return 0
    fi
	
    # if we're completing for 'quilt -h', then just 
    # complete on any valid command
    if [ ${COMP_WORDS[1]} == -h ] ; then
	    COMPREPLY=( $( compgen -W "$cmds" -- $cur ) )
            return 0
    fi
    
    # Accept a partial command if it's unique, because quilt will accept it.
    command_matches=( $(compgen -W "$cmds" -- ${COMP_WORDS[1]}) )
    if [ ${#command_matches[@]} -ne 1 ] ; then
	return 0
    fi

    # Complete depending on options
    case ${command_matches[0]} in
	add)
	   case $prev in
	     -P)
 	        COMPREPLY=( $( compgen -W "$(quilt applied 2>/dev/null)" -- $cur ) )
		;;
	     *)
	        _quilt_comfile
	        COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-P -h" -- $cur ) )
	        ;;
	   esac
	   ;;
	annotate)
	   case $prev in
	     -P)
 	        COMPREPLY=( $( compgen -W "$(quilt applied 2>/dev/null)" -- $cur ) )
		;;
	     *)
	        _quilt_comfile
	        COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-P -h" -- $cur ) )
	        ;;
	   esac
	   ;;
	applied) 
	   COMPREPLY=( $( compgen -W "-h $(quilt applied 2>/dev/null)" -- $cur ) )
	   ;;
	delete) 
	   COMPREPLY=( $( compgen -W "-n -r -h --backup $(quilt series)" -- $cur ) )
	   ;;
	diff) 
	   case $prev in
	     -p)
 	        COMPREPLY=( $( compgen -W "0 1" -- $cur ) )
		;;
	     -P|--combine)
	     	COMPREPLY=( $( compgen -W "$(quilt applied 2>/dev/null)" -- $cur ) )
		;;
	     --diff|-U|-C)
		;;
	     *)
	        _filedir 
	        COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-p -P -u -U -c -C -R -z -h --snapshot --diff --no-timestamps --no-index --combine --sort" -- $cur ) )
	        ;;
	   esac
	   ;;
	edit)
	   _quilt_comfile
	   COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-h" -- $cur ) )
	   ;;
	files)
	   case $prev in
	     --combine)
		COMPREPLY=( $( compgen -W "$(quilt applied 2>/dev/null)" -- $cur ) )
		;;
	     *)
		COMPREPLY=( $( compgen -W "-a -l -v -h --combine $(quilt applied 2>/dev/null)" -- $cur ) )
		;;
	   esac
	   ;;
	fold)
	   case $prev in
	     -p)
	        COMPREPLY=( $( compgen -W "0 1" -- $cur ) )
		;;
	     *)
	        _quilt_comfile
	        COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-p" -- $cur ) )
	        ;;
	   esac
	   ;;
	graph)
	   case $prev in
	     -T)
	     	COMPREPLY=( $( compgen -W "ps" -- $cur ) )
		;;
	     --edge-labels)
	        COMPREPLY=( $( compgen -W "files" -- $cur ) )
		;;
	     *)
		COMPREPLY=( $( compgen -W "-T -h --all --reduce --lines --edge-labels $(quilt applied 2>/dev/null)" -- $cur ) )
		;;
	   esac
	   ;;
	grep)
	   _longopt grep
	   COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-h" -- $cur ) )
	   ;;
	header)
	   COMPREPLY=( $( compgen -W "-a -e -h -r --backup --strip-diffstat --strip-trailing-whitespace $(quilt series)" -- $cur ) )
	   ;;
	import)
	   case $prev in
	     -p)
 	        COMPREPLY=( $( compgen -W "0 1 2 3 4 5 6 7 8 9 10" -- $cur ) )
		;;
	     -P)
		;;
	     -d)
		COMPREPLY=( $( compgen -W "o a n" -- $cur ) )
		;;
	     *)
	        _quilt_comfile 
	        COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-p -P -f -d -h" -- $cur ) )
	        ;;
	   esac
	   ;;
	mail)
	   COMPREPLY=( $( compgen -W "-m --prefix --mbox --send --sender --from --subject --to --cc --bcc" -- $cur ) )
	   ;;
	next|previous)
	   COMPREPLY=( $( compgen -W "$(quilt series)" -- $cur ) )
	   ;;
	patches)
	   _quilt_comfile 
	   COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-v -h" -- $cur ) )
	   ;;
	pop)
	   COMPREPLY=( $( compgen -W "-a -f -R -q -v -h $(quilt applied 2>/dev/null)" -- $cur ) )
	   ;;
	push)
	   COMPREPLY=( $( compgen -W "-a -f -q -v -h --leave-rejects --interactive --color $(quilt unapplied 2>/dev/null)" -- $cur ) )
	   ;;
	refresh)
	   case $prev in
	     -p)
 	        COMPREPLY=( $( compgen -W "0 1" -- $cur ) )
		;;
	     -U|-C)
		;;
	     *)
	     	COMPREPLY=( $( compgen -W "-p -u -U -c -C -f -h $(quilt applied 2>/dev/null) --no-timestamps --no-index --diffstat --sort --backup --strip-trailing-whitespace" -- $cur ) )
		;;
	   esac
	   ;;
	remove|revert)
	   case $prev in
	     -P)
 	        COMPREPLY=( $( compgen -W "$(quilt applied 2>/dev/null)" -- $cur ) )
		;;
	     *)
	        _quilt_comfile 
	        COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-P -h" -- $cur ) )
		;;
	   esac
	   ;;
	rename)
	   case $prev in
	     -P)
		COMPREPLY=( $( compgen -W "$(quilt series)" -- $cur ) )
		;;
	     *)
		COMPREPLY=( $( compgen -W "-P -h" -- $cur ) )
		;;
	   esac
	   ;;
	series)
	   COMPREPLY=( $( compgen -W "-v -h" -- $cur ) )
	   ;;
	setup)
	   case $prev in
	     -d)
	     	_filedir -d
		;;
	     *)
	        _quilt_comfile
	        COMPREPLY=( ${COMPREPLY[@]:-} $( compgen -W "-d -v -h" -- $cur ) )
		;;
	   esac
	   ;;
	snapshot)
	   COMPREPLY=( $( compgen -W "-d -h" -- $cur ) )
	   ;;
	unapplied)
	   COMPREPLY=( $( compgen -W "-h $(quilt series)" -- $cur ) )
	   ;;
	fork|new|top|upgrade)
	   ;;
    esac
    return 0
}

[ ${BASH_VERSINFO[0]} '>' 2 -o \
  ${BASH_VERSINFO[0]}  =  2 -a ${BASH_VERSINFO[1]} '>' 04 ] \
&& _quilt_complete_opt="-o filenames"
complete -F _quilt_completion $_quilt_complete_opt quilt
unset -v _quilt_complete_opt

fi