mirror of https://github.com/n-hys/bash.git
77 lines
2.4 KiB
Plaintext
77 lines
2.4 KiB
Plaintext
# cdfunc - example completion function for cd
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#
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# based on the cd completion function from the bash_completion package
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#
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# Chet Ramey <chet.ramey@case.edu>
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#
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# Copyright 2011 Chester Ramey
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# TThis program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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_comp_cd()
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{
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local IFS=$' \t\n' # normalize IFS
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local cur _skipdot _cdpath
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local i j k
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# Tilde expansion, with side effect of expanding tilde to full pathname
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case "$2" in
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\~*) eval cur="$2" ;;
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*) cur=$2 ;;
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esac
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# no cdpath or absolute pathname -- straight directory completion
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if [[ -z "${CDPATH:-}" ]] || [[ "$cur" == @(./*|../*|/*) ]]; then
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# compgen prints paths one per line; could also use while loop
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IFS=$'\n'
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COMPREPLY=( $(compgen -d -- "$cur") )
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IFS=$' \t\n'
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# CDPATH+directories in the current directory if not in CDPATH
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else
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IFS=$'\n'
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_skipdot=false
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# preprocess CDPATH to convert null directory names to .
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_cdpath=${CDPATH/#:/.:}
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_cdpath=${_cdpath//::/:.:}
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_cdpath=${_cdpath/%:/:.}
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for i in ${_cdpath//:/$'\n'}; do
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if [[ $i -ef . ]]; then _skipdot=true; fi
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k="${#COMPREPLY[@]}"
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for j in $( compgen -d -- "$i/$cur" ); do
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COMPREPLY[k++]=${j#$i/} # cut off directory
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done
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done
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$_skipdot || COMPREPLY+=( $(compgen -d -- "$cur") )
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IFS=$' \t\n'
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fi
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# variable names if appropriate shell option set and no completions
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if shopt -q cdable_vars && [[ ${#COMPREPLY[@]} -eq 0 ]]; then
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COMPREPLY=( $(compgen -v -- "$cur") )
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fi
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# append slash to passed directory name that is the only completion.
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# readline will not do this if we complete from CDPATH
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if [[ ${#COMPREPLY[@]} -eq 1 ]]; then
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i=${COMPREPLY[0]} # shorthand
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if [[ "$cur" == "$i" ]] && [[ "$i" != "*/" ]]; then
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COMPREPLY[0]+=/
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fi
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fi
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return 0
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}
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complete -o filenames -o nospace -o bashdefault -F _comp_cd cd
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