diff options
Diffstat (limited to 'plugins/z/z.sh')
-rw-r--r-- | plugins/z/z.sh | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/plugins/z/z.sh b/plugins/z/z.sh deleted file mode 100644 index 67f504e27..000000000 --- a/plugins/z/z.sh +++ /dev/null @@ -1,267 +0,0 @@ -# Copyright (c) 2009 rupa deadwyler. Licensed under the WTFPL license, Version 2 - -# maintains a jump-list of the directories you actually use -# -# INSTALL: -# * put something like this in your .bashrc/.zshrc: -# . /path/to/z.sh -# * cd around for a while to build up the db -# * PROFIT!! -# * optionally: -# set $_Z_CMD in .bashrc/.zshrc to change the command (default z). -# set $_Z_DATA in .bashrc/.zshrc to change the datafile (default ~/.z). -# set $_Z_MAX_SCORE lower to age entries out faster (default 9000). -# set $_Z_NO_RESOLVE_SYMLINKS to prevent symlink resolution. -# set $_Z_NO_PROMPT_COMMAND if you're handling PROMPT_COMMAND yourself. -# set $_Z_EXCLUDE_DIRS to an array of directories to exclude. -# set $_Z_OWNER to your username if you want use z while sudo with $HOME kept -# -# USE: -# * z foo # cd to most frecent dir matching foo -# * z foo bar # cd to most frecent dir matching foo and bar -# * z -r foo # cd to highest ranked dir matching foo -# * z -t foo # cd to most recently accessed dir matching foo -# * z -l foo # list matches instead of cd -# * z -e foo # echo the best match, don't cd -# * z -c foo # restrict matches to subdirs of $PWD -# * z -x # remove the current directory from the datafile -# * z -h # show a brief help message - -[ -d "${_Z_DATA:-$HOME/.z}" ] && { - echo "ERROR: z.sh's datafile (${_Z_DATA:-$HOME/.z}) is a directory." -} - -_z() { - - local datafile="${_Z_DATA:-$HOME/.z}" - - # if symlink, dereference - [ -h "$datafile" ] && datafile=$(readlink "$datafile") - - # bail if we don't own ~/.z and $_Z_OWNER not set - [ -z "$_Z_OWNER" -a -f "$datafile" -a ! -O "$datafile" ] && return - - _z_dirs () { - [ -f "$datafile" ] || return - - local line - while read line; do - # only count directories - [ -d "${line%%\|*}" ] && echo "$line" - done < "$datafile" - return 0 - } - - # add entries - if [ "$1" = "--add" ]; then - shift - - # $HOME and / aren't worth matching - [ "$*" = "$HOME" -o "$*" = '/' ] && return - - # don't track excluded directory trees - if [ ${#_Z_EXCLUDE_DIRS[@]} -gt 0 ]; then - local exclude - for exclude in "${_Z_EXCLUDE_DIRS[@]}"; do - case "$*" in "$exclude"*) return;; esac - done - fi - - # maintain the data file - local tempfile="$datafile.$RANDOM" - local score=${_Z_MAX_SCORE:-9000} - _z_dirs | awk -v path="$*" -v now="$(date +%s)" -v score=$score -F"|" ' - BEGIN { - rank[path] = 1 - time[path] = now - } - $2 >= 1 { - # drop ranks below 1 - if( $1 == path ) { - rank[$1] = $2 + 1 - time[$1] = now - } else { - rank[$1] = $2 - time[$1] = $3 - } - count += $2 - } - END { - if( count > score ) { - # aging - for( x in rank ) print x "|" 0.99*rank[x] "|" time[x] - } else for( x in rank ) print x "|" rank[x] "|" time[x] - } - ' 2>/dev/null >| "$tempfile" - # do our best to avoid clobbering the datafile in a race condition. - if [ $? -ne 0 -a -f "$datafile" ]; then - env rm -f "$tempfile" - else - [ "$_Z_OWNER" ] && chown $_Z_OWNER:"$(id -ng $_Z_OWNER)" "$tempfile" - env mv -f "$tempfile" "$datafile" || env rm -f "$tempfile" - fi - - # tab completion - elif [ "$1" = "--complete" -a -s "$datafile" ]; then - _z_dirs | awk -v q="$2" -F"|" ' - BEGIN { - q = substr(q, 3) - if( q == tolower(q) ) imatch = 1 - gsub(/ /, ".*", q) - } - { - if( imatch ) { - if( tolower($1) ~ q ) print $1 - } else if( $1 ~ q ) print $1 - } - ' 2>/dev/null - - else - # list/go - local echo fnd last list opt typ - while [ "$1" ]; do case "$1" in - --) while [ "$1" ]; do shift; fnd="$fnd${fnd:+ }$1";done;; - -*) opt=${1:1}; while [ "$opt" ]; do case ${opt:0:1} in - c) fnd="^$PWD $fnd";; - e) echo=1;; - h) echo "${_Z_CMD:-z} [-cehlrtx] args" >&2; return;; - l) list=1;; - r) typ="rank";; - t) typ="recent";; - x) sed -i -e "\:^${PWD}|.*:d" "$datafile";; - esac; opt=${opt:1}; done;; - *) fnd="$fnd${fnd:+ }$1";; - esac; last=$1; [ "$#" -gt 0 ] && shift; done - [ "$fnd" -a "$fnd" != "^$PWD " ] || list=1 - - # if we hit enter on a completion just go there - case "$last" in - # completions will always start with / - /*) [ -z "$list" -a -d "$last" ] && builtin cd "$last" && return;; - esac - - # no file yet - [ -f "$datafile" ] || return - - local cd - cd="$( < <( _z_dirs ) awk -v t="$(date +%s)" -v list="$list" -v typ="$typ" -v q="$fnd" -F"|" ' - function frecent(rank, time) { - # relate frequency and time - dx = t - time - return int(10000 * rank * (3.75/((0.0001 * dx + 1) + 0.25))) - } - function output(matches, best_match, common) { - # list or return the desired directory - if( list ) { - if( common ) { - printf "%-10s %s\n", "common:", common > "/dev/stderr" - } - cmd = "sort -n >&2" - for( x in matches ) { - if( matches[x] ) { - printf "%-10s %s\n", matches[x], x | cmd - } - } - } else { - if( common && !typ ) best_match = common - print best_match - } - } - function common(matches) { - # find the common root of a list of matches, if it exists - for( x in matches ) { - if( matches[x] && (!short || length(x) < length(short)) ) { - short = x - } - } - if( short == "/" ) return - for( x in matches ) if( matches[x] && index(x, short) != 1 ) { - return - } - return short - } - BEGIN { - gsub(" ", ".*", q) - hi_rank = ihi_rank = -9999999999 - } - { - if( typ == "rank" ) { - rank = $2 - } else if( typ == "recent" ) { - rank = $3 - t - } else rank = frecent($2, $3) - if( $1 ~ q ) { - matches[$1] = rank - } else if( tolower($1) ~ tolower(q) ) imatches[$1] = rank - if( matches[$1] && matches[$1] > hi_rank ) { - best_match = $1 - hi_rank = matches[$1] - } else if( imatches[$1] && imatches[$1] > ihi_rank ) { - ibest_match = $1 - ihi_rank = imatches[$1] - } - } - END { - # prefer case sensitive - if( best_match ) { - output(matches, best_match, common(matches)) - exit - } else if( ibest_match ) { - output(imatches, ibest_match, common(imatches)) - exit - } - exit(1) - } - ')" - - if [ "$?" -eq 0 ]; then - if [ "$cd" ]; then - if [ "$echo" ]; then echo "$cd"; else builtin cd "$cd"; fi - fi - else - return $? - fi - fi -} - -alias ${_Z_CMD:-z}='_z 2>&1' - -[ "$_Z_NO_RESOLVE_SYMLINKS" ] || _Z_RESOLVE_SYMLINKS="-P" - -if type compctl >/dev/null 2>&1; then - # zsh - [ "$_Z_NO_PROMPT_COMMAND" ] || { - # populate directory list, avoid clobbering any other precmds. - if [ "$_Z_NO_RESOLVE_SYMLINKS" ]; then - _z_precmd() { - (_z --add "${PWD:a}" &) - : $RANDOM - } - else - _z_precmd() { - (_z --add "${PWD:A}" &) - : $RANDOM - } - fi - [[ -n "${precmd_functions[(r)_z_precmd]}" ]] || { - precmd_functions[$(($#precmd_functions+1))]=_z_precmd - } - } - _z_zsh_tab_completion() { - # tab completion - local compl - read -l compl - reply=(${(f)"$(_z --complete "$compl")"}) - } - compctl -U -K _z_zsh_tab_completion _z -elif type complete >/dev/null 2>&1; then - # bash - # tab completion - complete -o filenames -C '_z --complete "$COMP_LINE"' ${_Z_CMD:-z} - [ "$_Z_NO_PROMPT_COMMAND" ] || { - # populate directory list. avoid clobbering other PROMPT_COMMANDs. - grep "_z --add" <<< "$PROMPT_COMMAND" >/dev/null || { - PROMPT_COMMAND="$PROMPT_COMMAND"$'\n''(_z --add "$(command pwd '$_Z_RESOLVE_SYMLINKS' 2>/dev/null)" 2>/dev/null &);' - } - } -fi |