1 : ${AUTOENV_AUTH_FILE:=~/.env_auth}
2 : ${AUTOENV_FILE_ENTER:=.autoenv.zsh}
3 : ${AUTOENV_FILE_LEAVE:=.autoenv_leave.zsh}
4 : ${AUTOENV_LOOK_UPWARDS:=1}
5 : ${AUTOENV_HANDLE_LEAVE:=1}
6 : ${AUTOENV_DISABLED:=0}
8 typeset -a _autoenv_stack_entered
9 typeset -A _autoenv_stack_entered_ctime
10 typeset -a _autoenv_ctime
12 zmodload -F zsh/stat b:zstat
13 _autoenv_get_file_ctime() {
14 zstat -a _autoenv_ctime +ctime $1 2>/dev/null || _autoenv_ctime=(0)
17 _autoenv_stack_entered_remove() {
19 _autoenv_stack_entered[$_autoenv_stack_entered[(i)$env_file]]=()
20 _autoenv_stack_entered_ctime[$env_file]=
23 _autoenv_stack_entered_add() {
25 _autoenv_stack_entered_remove $env_file
26 _autoenv_stack_entered+=($env_file)
27 _autoenv_get_file_ctime $env_file
28 _autoenv_stack_entered_ctime[$env_file]=${_autoenv_ctime[1]}
31 _autoenv_stack_entered_contains() {
34 if (( ${+_autoenv_stack_entered[(r)${env_file}]} )); then
37 local env_file_abs=${env_file:A}
38 for i ($_autoenv_stack_entered) {
39 [[ ${i:A} == ${env_file_abs} ]] && {
45 [[ -n $f ]] || return 1
46 _autoenv_get_file_ctime $f
47 [[ ${_autoenv_stack_entered_ctime[$f]} == ${_autoenv_ctime[1]} ]] || return 1
50 _autoenv_hash_pair() {
52 env_cksum=${${:-$(cksum "$env_file")}[1]}
53 ret_pair=":${env_file}:${env_cksum}"
56 _autoenv_authorized_env_file() {
58 local env_file_abs=${env_file:A}
61 [[ -s $AUTOENV_AUTH_FILE ]] &&
62 lines=( ${(M)"${(f@)"$(< $AUTOENV_AUTH_FILE)"}":#:$env_file_abs:*} )
63 [[ -z $lines ]] && return 1
65 _autoenv_hash_pair $env_file
66 [[ $line == $ret_pair ]] || return 1
69 _autoenv_authorize() {
71 _autoenv_deauthorize $env_file
72 [[ -d ${AUTOENV_AUTH_FILE:h} ]] || mkdir -p ${AUTOENV_AUTH_FILE:h}
74 _autoenv_hash_pair $env_file && print "$ret_pair" >>| $AUTOENV_AUTH_FILE
77 _autoenv_deauthorize() {
79 [[ -s $AUTOENV_AUTH_FILE ]] || return
80 perl -i -ne "print unless m[:${env_file}:]" $AUTOENV_AUTH_FILE
83 _autoenv_check_authorized_env_file() {
85 [[ -f $env_file ]] || return 1
86 _autoenv_authorized_env_file $1 && return
91 read -q answer\?"Authorize? "
93 [[ $answer == "y" ]] || return 1
98 local autoenv_env_file=$1
99 local autoenv_event=$2
100 print "autoenv: $autoenv_env_file" >&2
101 (( $+functions[autostash] )) || source ${${funcsourcetrace[1]%:*}:h}/lib/varstash
102 varstash_dir=${autoenv_env_file:h} source $autoenv_env_file
103 [[ $autoenv_event == enter ]] && _autoenv_stack_entered_add $autoenv_env_file
106 _autoenv_get_file_upwards() {
107 setopt EXTENDED_GLOB NO_NOMATCH
108 found=( (../)#$AUTOENV_FILE_ENTER(Y1:A) )
112 _autoenv_chpwd_handler() {
114 (( $AUTOENV_DISABLED )) && return
115 local env_file="$PWD/$AUTOENV_FILE_ENTER"
116 if [[ $AUTOENV_HANDLE_LEAVE == 1 ]] && (( $#_autoenv_stack_entered )); then
117 local prev_file prev_dir
118 for prev_file in ${_autoenv_stack_entered}; do
119 prev_dir=${prev_file:h}
120 if ! [[ ${PWD}/ == ${prev_dir}/* ]]; then
121 local env_file_leave=$prev_dir/$AUTOENV_FILE_LEAVE
122 if _autoenv_check_authorized_env_file $env_file_leave; then
123 varstash_dir=$prev_dir _autoenv_source $env_file_leave leave $prev_dir
125 (( $+functions[autostash] )) && varstash_dir=$prev_dir autounstash
126 _autoenv_stack_entered_remove $prev_file
130 if ! [[ -f $env_file ]] && [[ $AUTOENV_LOOK_UPWARDS == 1 ]]; then
131 _autoenv_get_file_upwards $PWD
132 [[ -f $env_file ]] || return
134 _autoenv_stack_entered_contains $env_file && return
135 _autoenv_check_authorized_env_file $env_file || return
136 _autoenv_source $env_file enter
139 autoload -U add-zsh-hook
140 add-zsh-hook chpwd _autoenv_chpwd_handler
141 _autoenv_chpwd_handler