mirror of
https://github.com/elkowar/dots-of-war.git
synced 2024-12-25 21:52:23 +00:00
483 lines
15 KiB
Bash
483 lines
15 KiB
Bash
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# -*- mode: shell-script -*-
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# vim: set ft=zsh :
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#########################################################################
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# Copyright (C) 2014-2015 Wojciech Siewierski #
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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 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This 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, see <http://www.gnu.org/licenses/>. #
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#########################################################################
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zstyle -s ":deer:" height DEER_HEIGHT || DEER_HEIGHT=22
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typeset -Ag DEER_KEYS
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function ()
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{
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while [ -n "$2" ]; do
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DEER_KEYS[$1]=${DEER_KEYS[$1]:-$2}
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shift 2
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done
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} down j \
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page_down J \
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up k \
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page_up K \
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enter l \
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leave h \
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next_parent ']' \
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prev_parent '[' \
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search / \
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filter f \
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toggle_hidden H \
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quit q \
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append_path a \
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append_abs_path A \
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insert_path i \
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insert_abs_path I \
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multi_insert_dwim s \
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multi_insert_abs S \
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chdir c \
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chdir_selected C \
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rifle r \
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edit e \
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# Select the Nth next file. Pass a negative argument for the previous file.
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deer-move()
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{
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local FILES MOVEMENT INDEX
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MOVEMENT=$1
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FILES=($DEER_DIRNAME/${~DEER_FILTER[$DEER_DIRNAME]:-'*'}(N$DEER_GLOBFLAGS-/:t)
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$DEER_DIRNAME/${~DEER_FILTER[$DEER_DIRNAME]:-'*'}(N$DEER_GLOBFLAGS-^/:t))
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INDEX=${(k)FILES[(re)$DEER_BASENAME[$DEER_DIRNAME]]}
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if (( INDEX+MOVEMENT <= 0 )); then
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DEER_BASENAME[$DEER_DIRNAME]=$FILES[1]
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elif (( INDEX+MOVEMENT > $#FILES )); then
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DEER_BASENAME[$DEER_DIRNAME]=$FILES[$#FILES]
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else
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DEER_BASENAME[$DEER_DIRNAME]=$FILES[$INDEX+$MOVEMENT]
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fi
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}
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# Select the first visible directory (or file if there are no
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# directories) in the current directory. Useful when changing the file
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# filter.
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deer-refocus()
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{
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local TMP
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TMP=($DEER_DIRNAME/${~DEER_FILTER[$DEER_DIRNAME]:-'*'}(N$DEER_GLOBFLAGS-/:t)
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$DEER_DIRNAME/${~DEER_FILTER[$DEER_DIRNAME]:-'*'}(N$DEER_GLOBFLAGS-^/:t))
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DEER_BASENAME[$DEER_DIRNAME]=$TMP[1]
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[ -n "$DEER_BASENAME[$DEER_DIRNAME]" ] # Return if there were any files at all.
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}
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# Enter the selected directory
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deer-enter()
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{
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# Abort if there is no file focused at all or if it is not a
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# directory.
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[ -n "$DEER_BASENAME[$DEER_DIRNAME]" -a \
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-d "$DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME]" ] || return
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DEER_DIRNAME=${DEER_DIRNAME%/}/$DEER_BASENAME[$DEER_DIRNAME]
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if [ -z $DEER_BASENAME[$DEER_DIRNAME] ]; then
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deer-refocus
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fi
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}
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# Move to the parent directory
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deer-leave()
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{
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[ $DEER_DIRNAME = / ] && return
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DEER_BASENAME[$DEER_DIRNAME:h]=$DEER_DIRNAME:t
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DEER_DIRNAME=$DEER_DIRNAME:h
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}
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# Display a given prompt, read a string and save it into $BUFFER.
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deer-prompt()
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{
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BUFFER=""
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PREDISPLAY="$1/ "
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POSTDISPLAY=""
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local region_highlight
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region_highlight=("P0 $#1 fg=green")
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zle recursive-edit
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}
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# Read a pattern and select the first matching file.
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deer-search()
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{
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deer-prompt "search"
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local TMP
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TMP=($DEER_DIRNAME/${~BUFFER}${DEER_FILTER[$DEER_DIRNAME]:-'*'}(N$DEER_GLOBFLAGS-:t))
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[ -n "$TMP[1]" ] && DEER_BASENAME[$DEER_DIRNAME]=$TMP[1]
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}
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# Read a pattern and use it as a new filter.
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deer-filter()
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{
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deer-prompt "filter"
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if [ -n "$BUFFER" ] && [[ ! $BUFFER == *\** ]]; then
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BUFFER=*$BUFFER*
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fi
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deer-apply-filter $BUFFER || deer-apply-filter
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}
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deer-apply-filter()
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{
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DEER_FILTER[$DEER_DIRNAME]=$1
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deer-refocus
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}
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# Draw an arrow pointing to the selected file.
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deer-mark-file-list()
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{
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local MARKED=$1
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shift
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print -l -- "$@" \
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| grep -Fx -B5 -A$DEER_HEIGHT -- "$MARKED" \
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| perl -pe 'BEGIN{$name = shift}
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if ($name."\n" eq $_) {
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$_="-> $_"
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} else {
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$_=" $_"
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}' -- "$MARKED"
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}
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# Draw the file lists in the form of Miller columns.
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deer-refresh()
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{
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local FILES PREVIEW PARENTFILES OUTPUT REL_DIRNAME
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local SEPARATOR="------"
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PREDISPLAY=$OLD_LBUFFER
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REL_DIRNAME=${${DEER_DIRNAME%/}#$DEER_STARTDIR}/
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[ -n "$DEER_STARTDIR" ] && REL_DIRNAME=${REL_DIRNAME#/}
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LBUFFER=$REL_DIRNAME$DEER_BASENAME[$DEER_DIRNAME]
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RBUFFER=""
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local TMP_FILTER
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TMP_FILTER=${DEER_FILTER[$DEER_DIRNAME]}
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POSTDISPLAY=${TMP_FILTER:+ filt:$TMP_FILTER}
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region_highlight=("P0 $#PREDISPLAY fg=black,bold"
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"0 $#REL_DIRNAME fg=blue,bold"
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"$#BUFFER $[$#BUFFER+$#POSTDISPLAY] fg=yellow,bold")
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FILES=($DEER_DIRNAME/${~DEER_FILTER[$DEER_DIRNAME]:-'*'}(N$DEER_GLOBFLAGS-/:t)
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$SEPARATOR
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$DEER_DIRNAME/${~DEER_FILTER[$DEER_DIRNAME]:-'*'}(N$DEER_GLOBFLAGS-^/:t))
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PARENTFILES=($DEER_DIRNAME:h/${~DEER_FILTER[$DEER_DIRNAME:h]:-'*'}(N$DEER_GLOBFLAGS-/:t))
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local IFS=$'\n'
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FILES=($(deer-mark-file-list "$DEER_BASENAME[$DEER_DIRNAME]" $FILES))
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PARENTFILES=($(deer-mark-file-list "$DEER_DIRNAME:t" $PARENTFILES))
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unset IFS
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FILES=(${(F)FILES[1,$DEER_HEIGHT]})
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PARENTFILES=(${(F)PARENTFILES[1,$DEER_HEIGHT]})
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if [ -f $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME] ]; then
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if file $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME] | grep -Fq text; then
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PREVIEW="--- Preview: ---"$'\n'$(head -n$DEER_HEIGHT $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME])
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# Replace '/' with '∕' (division slash, U+2215) to allow using it as a
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# paste(1)/column(1) separator.
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PREVIEW=${PREVIEW//\//∕}
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else
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PREVIEW="--- Binary file, preview unavailable ---"
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fi
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else
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# I'm really sorry about what you see below.
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# It basically means: PREVIEW=(directories separator files)
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PREVIEW=($DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME]/${~DEER_FILTER[$DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME]]:-'*'}(N$DEER_GLOBFLAGS-/:t)
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$SEPARATOR
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$DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME]/${~DEER_FILTER[$DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME]]:-'*'}(N$DEER_GLOBFLAGS-^/:t))
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PREVIEW=${(F)PREVIEW[1,$DEER_HEIGHT]}
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fi
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OUTPUT="$(paste -d/ <(<<< $PARENTFILES \
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| awk '{print substr($0,1,16)}') \
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<(<<< $FILES) \
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<(<<< $PREVIEW) \
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| sed 's,/, / ,g' \
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| column -t -s/ 2> /dev/null \
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| awk -v width=$COLUMNS '{print substr($0,1,width-1)}')"
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zle -M -- $OUTPUT
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zle -R
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}
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# Run `deer-add' with the same arguments, restore the shell state and
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# then exit.
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deer-restore()
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{
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deer-add "$@"
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PREDISPLAY=""
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POSTDISPLAY=""
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region_highlight=()
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LBUFFER=$OLD_LBUFFER
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RBUFFER=$OLD_RBUFFER
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zle reset-prompt
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zle -M ""
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}
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# Add the given string before or after the cursor.
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deer-add()
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{
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case $1 in
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--append)
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OLD_LBUFFER+=$2
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shift 2
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;;
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--insert)
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OLD_RBUFFER=$2$OLD_RBUFFER
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shift 2
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;;
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esac
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}
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# Get the quoted relative path from the absolute unquoted path.
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deer-get-relative()
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{
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local TMP
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TMP=${1:-${DEER_DIRNAME%/}/$DEER_BASENAME[$DEER_DIRNAME]}
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TMP="`python -c '
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import sys, os
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print(os.path.relpath(sys.argv[1], sys.argv[2]))
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' $TMP ${DEER_STARTDIR:-$PWD}`"
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print -R $TMP:q
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}
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# Tries to guess a directory to start in from the current argument.
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deer-set-initial-directory()
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{
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autoload -U split-shell-arguments modify-current-argument
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local REPLY REPLY2 reply
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local DIRECTORY
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((--CURSOR))
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split-shell-arguments
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((++CURSOR))
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# Find the longest existing directory path in the current argument.
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DEER_STARTDIR=${(Q)${${reply[$REPLY]%%[[:space:]]#}:a}%/}
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while [ -n "$DEER_STARTDIR" -a \
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! -d "$DEER_STARTDIR" ]; do
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DEER_STARTDIR=${DEER_STARTDIR%/*}
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done
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DEER_DIRNAME=${DEER_STARTDIR:-$PWD}
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}
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# The main entry function.
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|||
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deer-launch()
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|||
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{
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emulate -L zsh
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setopt extended_glob
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local DEER_DIRNAME DEER_STARTDIR DEER_GLOBFLAGS
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local -A DEER_FILTER DEER_BASENAME
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local REPLY OLD_LBUFFER OLD_RBUFFER
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local GREP_OPTIONS
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GREP_OPTIONS=""
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OLD_LBUFFER=$LBUFFER
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OLD_RBUFFER=$RBUFFER
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|||
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deer-set-initial-directory
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|||
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|||
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DEER_GLOBFLAGS=""
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|||
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if [ -n "$NUMERIC" ]; then
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|||
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for i in {1..$NUMERIC}; do
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|||
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deer-leave
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|||
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done
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|||
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else
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# Don't change cwd but initialize the variables.
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|||
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deer-leave
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deer-enter
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|||
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fi
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|||
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deer-refresh
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|||
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while read -k; do
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case $REPLY in
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# Movement
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|||
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$DEER_KEYS[up])
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deer-move -1
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deer-refresh
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|||
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;;
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|||
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$DEER_KEYS[page_up])
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deer-move -5
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deer-refresh
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|||
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;;
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$DEER_KEYS[down])
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deer-move 1
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deer-refresh
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;;
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|||
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$DEER_KEYS[page_down])
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deer-move 5
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deer-refresh
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|||
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;;
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|||
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$DEER_KEYS[enter])
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deer-enter
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|||
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deer-refresh
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|||
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;;
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|||
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$DEER_KEYS[leave])
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|||
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deer-leave
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|||
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deer-refresh
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|||
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;;
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|||
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$DEER_KEYS[next_parent])
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|||
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deer-leave
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|||
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deer-move 1
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|||
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deer-enter
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|||
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deer-refresh
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|||
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;;
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|||
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$DEER_KEYS[prev_parent])
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|||
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deer-leave
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|||
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deer-move -1
|
|||
|
|
deer-enter
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
# Search
|
|||
|
|
$DEER_KEYS[search])
|
|||
|
|
deer-search
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
# Filter
|
|||
|
|
$DEER_KEYS[filter])
|
|||
|
|
deer-filter
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
$DEER_KEYS[toggle_hidden])
|
|||
|
|
if [ -z $DEER_GLOBFLAGS ]; then
|
|||
|
|
DEER_GLOBFLAGS="D" # show hidden files
|
|||
|
|
else
|
|||
|
|
DEER_GLOBFLAGS=""
|
|||
|
|
fi
|
|||
|
|
# make sure the focus is on a visible file
|
|||
|
|
DEER_BASENAME[$DEER_DIRNAME]=
|
|||
|
|
deer-leave
|
|||
|
|
deer-enter
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
# Quit
|
|||
|
|
$DEER_KEYS[quit])
|
|||
|
|
deer-restore
|
|||
|
|
break
|
|||
|
|
;;
|
|||
|
|
# Insert the path and quit.
|
|||
|
|
$DEER_KEYS[append_path])
|
|||
|
|
deer-restore --append "`deer-get-relative` "
|
|||
|
|
break
|
|||
|
|
;;
|
|||
|
|
$DEER_KEYS[append_abs_path])
|
|||
|
|
deer-restore --append "${${DEER_DIRNAME%/}:q}/${DEER_BASENAME[$DEER_DIRNAME]:q} "
|
|||
|
|
break
|
|||
|
|
;;
|
|||
|
|
$DEER_KEYS[insert_path])
|
|||
|
|
deer-restore --insert " `deer-get-relative`"
|
|||
|
|
break
|
|||
|
|
;;
|
|||
|
|
$DEER_KEYS[insert_abs_path])
|
|||
|
|
deer-restore --insert " ${${DEER_DIRNAME%/}:q}/${DEER_BASENAME[$DEER_DIRNAME]:q}"
|
|||
|
|
break
|
|||
|
|
;;
|
|||
|
|
# Insert the path and don't quit yet.
|
|||
|
|
$DEER_KEYS[multi_insert_dwim])
|
|||
|
|
if [ "$OLD_LBUFFER[-1]" = "/" ]; then
|
|||
|
|
OLD_LBUFFER+="{"
|
|||
|
|
fi
|
|||
|
|
# replacement used to insert ',' instead of '{' as a separator in {foo,bar,...} lists
|
|||
|
|
deer-add --append "`deer-get-relative`"${${OLD_LBUFFER[-1]/\{/,}:- }
|
|||
|
|
deer-move 1
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
# Insert the absolute path and don't quit yet.
|
|||
|
|
$DEER_KEYS[multi_insert_abs])
|
|||
|
|
deer-add --append " ${${DEER_DIRNAME%/}:q}/${DEER_BASENAME[$DEER_DIRNAME]:q}"
|
|||
|
|
deer-move 1
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
# Quit and change the shell's current directory to the selected one.
|
|||
|
|
$DEER_KEYS[chdir])
|
|||
|
|
deer-leave
|
|||
|
|
;&
|
|||
|
|
$DEER_KEYS[chdir_selected])
|
|||
|
|
if [[ -d $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME] && \
|
|||
|
|
-x $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME] ]]; then
|
|||
|
|
cd -- $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME]
|
|||
|
|
deer-restore
|
|||
|
|
break
|
|||
|
|
fi
|
|||
|
|
;;
|
|||
|
|
$DEER_KEYS[edit])
|
|||
|
|
if [[ -f $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME] ]]; then
|
|||
|
|
"${EDITOR:-vim}" $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME]
|
|||
|
|
fi
|
|||
|
|
;;
|
|||
|
|
# See rifle(1) manpage (included with ranger(1)).
|
|||
|
|
$DEER_KEYS[rifle])
|
|||
|
|
if [[ -f $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME] ]]; then
|
|||
|
|
rifle $DEER_DIRNAME/$DEER_BASENAME[$DEER_DIRNAME]
|
|||
|
|
fi
|
|||
|
|
;;
|
|||
|
|
# Arrow keys
|
|||
|
|
$'\e')
|
|||
|
|
read -k
|
|||
|
|
case $REPLY in
|
|||
|
|
'[')
|
|||
|
|
read -k
|
|||
|
|
case $REPLY in
|
|||
|
|
'A')
|
|||
|
|
deer-move -1
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
'B')
|
|||
|
|
deer-move 1
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
'C')
|
|||
|
|
deer-enter
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
'D')
|
|||
|
|
deer-leave
|
|||
|
|
deer-refresh
|
|||
|
|
;;
|
|||
|
|
esac
|
|||
|
|
;;
|
|||
|
|
esac
|
|||
|
|
;;
|
|||
|
|
esac
|
|||
|
|
done
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if zle; then
|
|||
|
|
deer-launch
|
|||
|
|
else
|
|||
|
|
deer()
|
|||
|
|
{
|
|||
|
|
deer-launch "$@"
|
|||
|
|
}
|
|||
|
|
fi
|
|||
|
|
~
|