Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
Tree: 38bcefdf6e
Fetching contributors…

Cannot retrieve contributors at this time

executable file 596 lines (528 sloc) 18.541 kB
#!/usr/bin/env sh
# Fasd (this file) can be sourced or executed by any POSIX compatible shell.
# Fasd is originally written based on code from z (https://github.com/rupa/z)
# by rupa deadwyler under the WTFPL license. Most if not all of the code has
# been rewritten.
# Copyright (C) 2011, 2012 by Wei Dai. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
fasd() {
case "$1" in
--init)
shift
while [ "$1" ]; do
case $1 in
env)
{ # source rc files if present
[ -s "/etc/fasdrc" ] && . "/etc/fasdrc"
[ -s "$HOME/.fasdrc" ] && . "$HOME/.fasdrc"
# set default options
[ -z "$_FASD_DATA" ] && _FASD_DATA="$HOME/.fasd"
[ -z "$_FASD_BLACKLIST" ] && _FASD_BLACKLIST="--help"
[ -z "$_FASD_SHIFT" ] && _FASD_SHIFT="sudo busybox"
[ -z "$_FASD_IGNORE" ] && _FASD_IGNORE="fasd cd ls echo"
[ -z "$_FASD_SINK" ] && _FASD_SINK=/dev/null
[ -z "$_FASD_TRACK_PWD" ] && _FASD_TRACK_PWD=1
[ -z "$_FASD_MAX" ] && _FASD_MAX=2000
[ -z "$_FASD_BACKENDS" ] && _FASD_BACKENDS=native
if [ -z "$_FASD_AWK" ]; then
# awk preferences
local awk; for awk in mawk gawk original-awk nawk awk; do
$awk "" && _FASD_AWK=$awk && break
done
fi
} >> "${_FASD_SINK:-/dev/null}" 2>&1
;;
auto) cat <<EOS
{ if compctl; then # zsh
eval "\$(fasd --init posix-alias zsh-hook zsh-ccomp zsh-ccomp-install \
zsh-wcomp zsh-wcomp-install)"
elif complete; then # bash
eval "\$(fasd --init posix-alias bash-hook bash-ccomp bash-ccomp-install)"
else # posix shell
eval "\$(fasd --init posix-alias posix-hook)"
fi
} >> "$_FASD_SINK" 2>&1
EOS
;;
posix-alias) cat <<EOS
alias a='fasd -a'
alias s='fasd -si'
alias sd='fasd -sid'
alias sf='fasd -sif'
alias d='fasd -d'
alias f='fasd -f'
# function to execute built-in cd
fasd_cd() { [ \$# -gt 1 ] && cd "\$(fasd -e echo "\$@")" || fasd "\$@"; }
alias z='fasd_cd -d'
EOS
;;
zsh-hook) cat <<EOS
# add zsh hook
_fasd_preexec() {
{ eval "fasd --proc \$(fasd --sanitize \$3)"; } >> "$_FASD_SINK" 2>&1
}
autoload -U add-zsh-hook
add-zsh-hook preexec _fasd_preexec
EOS
;;
bash-hook) cat <<EOS
# add bash hook
echo \$PROMPT_COMMAND | grep -v -q "fasd --proc" && \
PROMPT_COMMAND='eval "fasd --proc \$(fasd --sanitize \$(history 1 | \
sed -e "s/^[ ]*[0-9]*[ ]*//"))" >> "$_FASD_SINK" 2>&1;'"\$PROMPT_COMMAND"
EOS
;;
posix-hook) cat <<EOS
_fasd_ps1_func() {
{ eval "fasd --proc \$(fasd --sanitize \
\$(fc -nl -0 | sed -n '\$s/\s*\(.*\)/\1/p'))"; } >> "$_FASD_SINK" 2>&1
}
echo "\$PS1" | grep -v -q "_fasd_ps1_func" && \
export PS1="\\\$(_fasd_ps1_func)\$PS1"
EOS
;;
zsh-ccomp) cat <<EOS
# zsh command mode completion
_fasd_zsh_cmd_complete() {
local compl
read -c compl
compstate[insert]=menu # no expand
reply=(\${(f)"\$(fasd --complete "\$compl")"})
}
EOS
;;
zsh-wcomp) cat <<EOS
# zsh word mode completion
_fasd_zsh_word_complete() {
[ "\$2" ] && local _fasd_cur="\$2"
[ -z "\$_fasd_cur" ] && local _fasd_cur="\${words[CURRENT]}"
local fnd="\${_fasd_cur//,/ }"
local typ=\${1:-e}
fasd --query \$typ \$fnd | sort -nr | sed 's/^[0-9.]*[ ]*//' | \
while read line; do
compadd -U -V fasd "\$line"
done
compstate[insert]=menu # no expand
}
_fasd_zsh_word_complete_f() { _fasd_zsh_word_complete f ; }
_fasd_zsh_word_complete_d() { _fasd_zsh_word_complete d ; }
_fasd_zsh_word_complete_trigger() {
local _fasd_cur="\${words[CURRENT]}"
eval \$(fasd --word-complete-trigger _fasd_zsh_word_complete \$_fasd_cur)
}
# define zle widgets
zle -C fasd-complete 'menu-select' _fasd_zsh_word_complete
zle -C fasd-complete-f 'menu-select' _fasd_zsh_word_complete_f
zle -C fasd-complete-d 'menu-select' _fasd_zsh_word_complete_d
EOS
;;
zsh-ccomp-install) cat <<EOS
# enbale command mode completion
compctl -U -K _fasd_zsh_cmd_complete -V fasd -x 'C[-1,-*e],s[-]n[1,e]' -c - \
'c[-1,-A][-1,-D]' -f -- fasd fasd_cd
EOS
;;
zsh-wcomp-install) cat <<EOS
# enable word mode completion
zstyle ':completion:*' completer _complete _ignored \
_fasd_zsh_word_complete_trigger
EOS
;;
bash-ccomp) cat <<EOS
# bash command mode completion
_fasd_bash_cmd_complete() {
# complete command after "-e"
local cur=\${COMP_WORDS[COMP_CWORD]}
[[ \${COMP_WORDS[COMP_CWORD-1]} == -*e ]] && \
COMPREPLY=( \$(compgen -A command \$cur) ) && return
# complete using default readline complete after "-A" or "-D"
case \${COMP_WORDS[COMP_CWORD-1]} in
-A|-D) COMPREPLY=( \$(compgen -o default \$cur) ) && return
esac
# get completion results using expanded aliases
local RESULT=\$( fasd -q --complete "\$(alias -p \$COMP_WORDS \
2>> "$_FASD_SINK" | sed -n "\\\$s/^.*'\(.*\)'/\1/p") \${COMP_LINE#* }" )
IFS=\$'\n' COMPREPLY=( \$RESULT )
}
_fasd_bash_hook_cmd_complete() {
for cmd in \$*; do
complete -F _fasd_bash_cmd_complete \$cmd
done
}
EOS
;;
bash-wcomp) cat <<EOS
# bash word mode completion
_fasd_bash_word_complete() {
[ "\$2" ] && local _fasd_cur="\$2"
[ "\$_fasd_cur" ] || local _fasd_cur="\${COMP_WORDS[COMP_CWORD]}"
local typ=\${1:-e}
local fnd="\${_fasd_cur//,/ }"
local RESULT=\$(fasd -q --query \$typ \$fnd | sed 's/^[0-9.]*[ ]*//')
IFS=\$'\n' COMPREPLY=( \$RESULT )
} >> "$_FASD_SINK" 2>&1
_fasd_bash_word_complete_trigger() {
[ "\$_fasd_cur" ] || local _fasd_cur="\${COMP_WORDS[COMP_CWORD]}"
eval "\$(fasd --word-complete-trigger _fasd_bash_word_complete \$_fasd_cur)"
} >> "$_FASD_SINK" 2>&1
_fasd_bash_word_complete_wrap() {
local _fasd_cur="\${COMP_WORDS[COMP_CWORD]}"
_fasd_bash_word_complete_trigger
local z=\${COMP_WORDS[0]}
# try original comp func
[ "\$COMPREPLY" ] || eval "\$( echo "\$_FASD_BASH_COMPLETE_P" | \
sed -n "/ \$z\$/"'s/.*-F \(.*\) .*/\1/p' )"
# fall back on original complete options
local cmd="\$(echo "\$_FASD_BASH_COMPLETE_P" | \
sed -n "/ \$z\$/"'s/complete/compgen/') \$_fasd_cur"
[ "\$COMPREPLY" ] || COMPREPLY=( \$(eval \$cmd) )
} >> "$_FASD_SINK" 2>&1
EOS
;;
bash-ccomp-install) cat <<EOS
# enable bash command mode completion
_fasd_bash_hook_cmd_complete fasd a s d f sd sf z
EOS
;;
bash-wcomp-install) cat <<EOS
_FASD_BASH_COMPLETE_P="\$(complete -p)"
for cmd in \$(complete -p | awk '{print \$NF}' | tr '\n' ' '); do
complete -o default -o bashdefault -F _fasd_bash_word_complete_wrap \$cmd
done
# enable word mode completion as default completion
complete -o default -o bashdefault -D -F _fasd_bash_word_complete_trigger \
>> "$_FASD_SINK" 2>&1
EOS
;;
esac; shift
done
;;
--init-alias)
fasd --init posix-alias
;;
--init-zsh)
fasd --init zsh-hook zsh-ccomp zsh-ccomp-install zsh-wcomp zsh-wcomp-install
;;
--init-bash)
fasd --init bash-hook bash-ccomp bash-ccomp-install
;;
--init-posix)
fasd --init posix-hook
;;
# if "$_fasd_cur" is a query, then eval all the arguments
--word-complete-trigger)
shift; [ "$2" ] && local _fasd_cur="$2" || return
case "$_fasd_cur" in
,*) echo "$1" e "$_fasd_cur";;
f,*) echo "$1" f "${_fasd_cur#?}";;
d,*) echo "$1" d "${_fasd_cur#?}";;
*,,) echo "$1" e "$_fasd_cur";;
*,,f) echo "$1" f "${_fasd_cur%?}";;
*,,d) echo "$1" d "${_fasd_cur%?}";;
esac
;;
--sanitize)
shift; echo "$@" | \
sed 's/\([^\]\)$([^ ]*\([^)]*\)))*/\1\2/g;s/\([^\]\)[|&;<>$`]\{1,\}/\1 /g'
;;
--proc) shift # process commands
# stop if we don't own ~/.fasd (we're another user but our ENV is still set)
[ -f "$_FASD_DATA" -a ! -O "$_FASD_DATA" ] && return
# make zsh do word splitting for the for loop to work
[ "$ZSH_VERSION" ] && emulate sh && setopt localoptions
# blacklists
local each; for each in $_FASD_BLACKLIST; do
case " $* " in *\ $each\ *) return;; esac
done
# shifts
while true; do
case " $_FASD_SHIFT " in
*\ $1\ *) shift;;
*) break
esac
done
# ignores
case " $_FASD_IGNORE " in
*\ $1\ *) return
esac
shift; fasd --add "$@" # add all arguments except command
;;
--add|-A) shift # add entries
# find all valid path arguments, convert them to simplest absolute form
local paths="$(while [ "$1" ]; do
[ -e "$1" ] && echo "$1"; shift
done | sed '/^[^/]/s@^@'"$PWD"'/@
s@/\.\.$@/\.\./@;s@/\(\./\)\{1,\}@/@g;: 0;s@[^/][^/]*//*\.\./@/@;t 0
s@^/*\.\./@/@;s@//*@/@g;s@/\.\{0,1\}$@@;s@^$@/@' | tr '\n' '|')"
# add current pwd if the option is set
[ "$_FASD_TRACK_PWD" = "1" -a "$PWD" != "$HOME" ] && paths="$paths|$PWD"
[ -z "${paths##\|}" ] && return # stop if we have nothing to add
# maintain the file
local tempfile
tempfile="$(mktemp "$_FASD_DATA".XXXXXX)" || return
$_FASD_AWK -v list="$paths" -v now="$(date +%s)" -v max="$_FASD_MAX" -F"|" '
BEGIN {
split(list, files, "|")
for(i in files) {
path = files[i]
if(path == "") continue
paths[path] = path # array for checking
rank[path] = 1
time[path] = now
}
}
$2 >= 1 {
if($1 in paths) {
rank[$1] = $2 + 1
time[$1] = now
} else {
rank[$1] = $2
time[$1] = $3
}
count += $2
}
END {
if(count > max)
for(i in rank) print i "|" 0.9*rank[i] "|" time[i] # aging
else
for(i in rank) print i "|" rank[i] "|" time[i]
}' "$_FASD_DATA" 2>> "$_FASD_SINK" >| "$tempfile"
if [ $? -ne 0 -a -f "$_FASD_DATA" ]; then
env rm -f "$tempfile"
else
env mv -f "$tempfile" "$_FASD_DATA"
fi
;;
--delete|-D) shift # delete entries
# turn valid arguments into entry-deleting sed commands
local sed_cmd="$(while [ "$1" ]; do echo "$1"; shift; done | \
sed '/^[^/]/s@^@'"$PWD"'/@;s@/\.\.$@/\.\./@;s@/\(\./\)\{1,\}@/@g
: 0;s@[^/][^/]*//*\.\./@/@;t 0;s@^/*\.\./@/@;s@//*@/@g;s@/\.\{0,1\}$@@
s@^$@/@;s@\([.[/*^$]\)@\\\1@g;s@^\(.*\)$@/^\1|/d@')"
# maintain the file
local tempfile
tempfile="$(mktemp "$_FASD_DATA".XXXXXX)" || return
sed -e "$sed_cmd" "$_FASD_DATA" 2>> "$_FASD_SINK" >| "$tempfile"
if [ $? -ne 0 -a -f "$_FASD_DATA" ]; then
env rm -f "$tempfile"
else
env mv -f "$tempfile" "$_FASD_DATA"
fi
;;
--query) shift # query the db, --query [$typ ["$fnd" [$mode [$quote]]]]
[ -f "$_FASD_DATA" ] || return # no db yet
[ "$1" ] && local typ="$1"
[ "$2" ] && local fnd="$2"
[ "$3" ] && local mode="$3"
[ "$4" ] && local quote="$4"
[ "$quote" ] && local qts='"\""' || local qts=
# make zsh do word spliting for the for loop to work
[ "$ZSH_VERSION" ] && emulate sh && setopt localoptions
# cat all backends
local each _fasd_data; for each in $_FASD_BACKENDS; do
_fasd_data="$_fasd_data
$(fasd --backend $each)"
done
[ "$_fasd_data" ] || _fasd_data="$(cat "$_FASD_DATA")"
# set mode specific code for calculating the prior
case $mode in
rank) local prior='times[i]';;
recent) local prior='sqrt(100000/(1+t-la[i]))';;
*) local prior='times[i] * frecent(la[i])';;
esac
# query the database
echo "$_fasd_data" | while read line; do
[ -${typ:-e} "${line%%\|*}" ] && echo "$line"
done | $_FASD_AWK -v t="$(date +%s)" -v q="$fnd" -F"|" '
function frecent(time) {
dx = t-time
if( dx < 3600 ) return 6
if( dx < 86400 ) return 4
if( dx < 604800 ) return 2
return 1
}
function likelihood(pattern, path) {
m = gsub("/+", "/", path)
r = 1
for(i in pattern) {
tmp = path
gsub(".*" pattern[i], "", tmp)
n = gsub("/+", "/", tmp)
if(n == m)
return 0
else if(n == 0)
r *= 20 # F
else
r *= 1 - (n / m)
}
return r
}
BEGIN {
split(q, pattern, " ")
for(i in pattern) pattern_lower[i] = tolower(pattern[i]) # nocase
}
{
if(!wcase[$1]) {
times[$1] = $2
la[$1] = $3
wcase[$1] = likelihood(pattern, $1)
if(!cx) nocase[$1] = likelihood(pattern_lower, tolower($1))
} else {
times[$1] += $2
if($3 > la[$1]) la[$1] = $3
}
cx = cx || wcase[$1]
ncx = ncx || nocase[$1]
}
END {
if(cx) {
for(i in wcase) {
if(wcase[i])
printf "%-10s %s\n", '"$prior"' * wcase[i], '"$qts"' i '"$qts"'
}
} else if(ncx) {
for(i in nocase) {
if(nocase[i])
printf "%-10s %s\n", '"$prior"' * nocase[i], '"$qts"' i '"$qts"'
}
}
}' - 2>> "$_FASD_SINK"
;;
--backend)
case $2 in
native) cat "$_FASD_DATA";;
viminfo)
local t="$(date +%s)"
< "$HOME/.viminfo" sed -n '/^>/{s@~@'"$HOME"'@;p}' | \
while IFS=" " read line; do
t=$((t-60)); echo "${line#??}|1|$t"
done
;;
recently-used)
tr -d '\n' < "$HOME/.local/share/recently-used.xbel" | \
sed 's@file:/@\n@g;s@count="@\n@g' | sed '1d;s/".*$//' | \
tr '\n' '|' | sed 's@|/@\n@g' | $_FASD_AWK -F'|' '{
sum = 0
for( i=2; i<=NF; i++ ) sum += $i
print $1 "|" sum
}'
;;
*) eval "$2";;
esac
;;
*) # parsing logic and processing
local fnd last _FASD_BACKENDS="$_FASD_BACKENDS" _fasd_data
while [ "$1" ]; do case "$1" in
--complete) [ "$2" = "--" ] && shift; set -- $(echo $2); local lst=1 r=r;;
--query|--add|--delete|-A|-D) fasd "$@"; return $?;;
--version) echo "0.5.4"; return 0;;
--) while [ "$2" ]; do shift; fnd="$fnd$1 "; last="$1"; done;;
-*) local o="${1#-}"; while [ "$o" ]; do case "$o" in
s*) local show=1;;
l*) local lst=1;;
i*) local interactive=1 show=1;;
r*) local mode=rank;;
t*) local mode=recent;;
e*) o="${o#?}"; if [ "$o" ]; then # there are characters after "-e"
local exec="$o" # anything after "-e"
else # use the next argument
local exec="${2:?"-e: Argument needed "}"
shift
fi; break;;
b*) o="${o#?}"; if [ "$o" ]; then
_FASD_BACKENDS="$o"
else
_FASD_BACKENDS="${2:?"-b: Argument needed"}"
shift
fi; break;;
B*) o="${o#?}"; if [ "$o" ]; then
_FASD_BACKENDS="$_FASD_BACKENDS $o"
else
_FASD_BACKENDS="$_FASD_BACKENDS ${2:?"-B: Argument needed"}"
shift
fi; break;;
a*) local typ=e;;
d*) local typ=d;;
f*) local typ=f;;
q*) local quote=1;;
h*) echo "fasd [options] [query ...]
[f|a|s|d|z] [opions] [query ...]
options:
-s show list of files with their ranks
-l list paths only
-i interactive mode
-e <cmd> set command to execute on the result file
-b <name> only use <name> backend
-b <name> add additional backend <name>
-a match files and directories
-d match directories only
-f match files only
-r match by rank only
-t match by recent access only
-h show a brief help message
fasd [-A|-D] [paths ...]
-A add paths
-D delete paths" >&2; return;;
esac; o="${o#?}"; done;;
*) fnd="$fnd $1"; last="$1";;
esac; shift; done
# if we hit enter on a completion just execute
case "$last" in
# completions will always start with /
/*) [ -z "$show$lst" -a -${typ:-e} "$last" -a "$exec" ] \
&& eval $exec "\"$last\"" && return;;
esac
local result
result="$(fasd --query 2>> "$_FASD_SINK")" # query the database
[ $? -gt 0 ] && return
if [ "$interactive" ] || [ "$exec" -a -z "$fnd$lst$show" -a -t 1 ]; then
result="$(echo "$result" | sort -nr)"
echo "$result" | sed = | sed 'N;s/\n/ /' | sort -nr >&2; printf "> " >&2
local i; read i; [ 0 -lt "${i:-0}" ] 2>> "$_FASD_SINK" || return 1
result="$(echo "$result" | sed -n "${i:-1}"'s/^[0-9.]*[ ]*//p')"
if [ "$result" ]; then
fasd --add "$result"; eval ${exec:-echo} "\"$result\""
fi
elif [ "$lst" ]; then
echo "$result" | sort -n${r} | sed 's/^[0-9.]*[ ]*//'
elif [ "$show" ]; then
echo "$result" | sort -n
elif [ "$fnd" -a "$exec" ]; then # exec
result="$(echo "$result" | sort -n | sed -n '$s/^[0-9.]*[ ]*//p')"
fasd --add "$result"; eval $exec "\"$result\""
elif [ "$fnd" -a ! -t 1 ]; then # echo if output is not terminal
result="$(echo "$result" | sort -n | sed -n '$s/^[0-9.]*[ ]*//p')"
fasd --add "$result"; echo "$result"
else # no args, show
echo "$result" | sort -n
fi
esac
}
fasd --init env
case $- in
*i*) ;; # assume being sourced, do nothing
*) # assume being executed as an executable
if [ -x "$_FASD_SHELL" -a -z "$_FASD_SET" ]; then
_FASD_SET=1 exec $_FASD_SHELL "$0" "$@"
else
fasd "$@"
fi
esac
Jump to Line
Something went wrong with that request. Please try again.