# Initially based on
# https://github.com/joshuaclayton/dotfiles/blob/master/zsh_profile.d/autoenv.zsh
-export AUTOENV_ENV_FILENAME=$HOME/.env_auth
-[ -e $AUTOENV_ENV_FILENAME ] || touch $AUTOENV_ENV_FILENAME
+# File to store confirmed authentication into.
+: ${AUTOENV_ENV_FILENAME:=~/.env_auth}
# Name of file to look for when entering directories.
: ${AUTOENV_FILE_ENTER:=.env}
# Enable debugging. Multiple levels are supported (max 2).
: ${AUTOENV_DEBUG:=0}
+# (Temporarily) disable zsh-autoenv. This gets looked at in the chpwd handler.
+: ${AUTOENV_DISABLED:=0}
+
# Public helper functions, which can be used from your .env files:
#
# Source the next .env file from parent directories.
# Internal functions. {{{
# Internal: stack of entered (and handled) directories. {{{
typeset -g -a _autoenv_stack_entered
-_autoenv_stack_entered=()
# -g: make it global, this is required when used with antigen.
typeset -g -A _autoenv_stack_entered_mtime
-_autoenv_stack_entered_mtime=()
# Add an entry to the stack, and remember its mtime.
_autoenv_stack_entered_add() {
_autoenv_stack_entered_mtime[$env_file]=$(_autoenv_get_file_mtime $env_file)
}
-_autoenv_get_file_mtime() {
- if [[ -f $1 ]]; then
- zstat +mtime $1
- else
- echo 0
- fi
-}
+
+# zstat_mime helper, conditionally defined.
+# Load zstat module, but only its builtin `zstat`.
+if ! zmodload -F zsh/stat b:zstat 2>/dev/null; then
+ # If the module is not available, define a wrapper around `stat`, and use its
+ # terse output instead of format, which is not supported by busybox.
+ # Assume '+mtime' as $1.
+ _autoenv_get_file_mtime() {
+ # setopt localoptions pipefail
+ local stat
+ stat=$(stat -t $1 2>/dev/null)
+ if [[ -n $stat ]]; then
+ echo ${${(s: :)stat}[13]}
+ else
+ echo 0
+ fi
+ }
+else
+ _autoenv_get_file_mtime() {
+ zstat +mtime $1 2>/dev/null || echo 0
+ }
+fi
+
# Remove an entry from the stack.
_autoenv_stack_entered_remove() {
}
# Is the given entry already in the stack?
+# This checks for the env_file ($1) as-is and with symlinks resolved.
_autoenv_stack_entered_contains() {
local env_file=$1
+ local f i
if (( ${+_autoenv_stack_entered[(r)${env_file}]} )); then
# Entry is in stack.
- if [[ $_autoenv_stack_entered_mtime[$env_file] == $(_autoenv_get_file_mtime $env_file) ]]; then
+ f=$env_file
+ else
+ for i in $_autoenv_stack_entered; do
+ if [[ ${i:A} == ${env_file:A} ]]; then
+ # Entry is in stack (compared with resolved symlinks).
+ f=$i
+ break
+ fi
+ done
+ fi
+ if [[ -n $f ]]; then
+ if [[ $_autoenv_stack_entered_mtime[$f] == $(_autoenv_get_file_mtime $f) ]]; then
# Entry has the expected mtime.
return
fi
}
# }}}
-# Load zstat module, but only its builtin `zstat`.
-if ! zmodload -F zsh/stat b:zstat 2>/dev/null; then
- # If the module is not available, define a wrapper around `stat`, and use its
- # terse output instead of format, which is not supported by busybox.
- # Assume '+mtime' as $1.
- zstat() {
- stat -t $2 | cut -f13 -d ' '
- }
-fi
-
# Generate hash pair for a given file ($1).
# A fixed hash value can be given as 2nd arg, but is used with tests only.
# ${env_file:h}.
fi
- # Change to directory of env file, source it and cd back.
- local new_dir=$PWD
+ # Source the env file.
_autoenv_debug "== SOURCE: ${bold_color:-}$env_file${reset_color:-}\n PWD: $PWD"
- (( _autoenv_debug_indent++ ))
+ : $(( _autoenv_debug_indent++ ))
source $env_file
- (( _autoenv_debug_indent-- ))
+ : $(( _autoenv_debug_indent-- ))
_autoenv_debug "== END SOURCE =="
if [[ $autoenv_event == enter ]]; then
_autoenv_chpwd_prev_dir=$PWD
_autoenv_chpwd_handler() {
- local env_file="$PWD/$AUTOENV_FILE_ENTER"
-
_autoenv_debug "Calling chpwd handler: PWD=$PWD"
+ if (( $AUTOENV_DISABLED )); then
+ _autoenv_debug "Disabled (AUTOENV_DISABLED)."
+ return
+ fi
+
+ local env_file="$PWD/$AUTOENV_FILE_ENTER"
+ _autoenv_debug "env_file: $env_file"
+
# Handle leave event for previously sourced env files.
if [[ $AUTOENV_HANDLE_LEAVE == 1 ]] && (( $#_autoenv_stack_entered )); then
local prev_file prev_dir
for prev_file in ${_autoenv_stack_entered}; do
- prev_dir=${prev_file:A:h}
- if ! [[ ${PWD:A}/ == ${prev_dir}/* ]]; then
+ prev_dir=${prev_file:h}
+ if ! [[ ${PWD}/ == ${prev_dir}/* ]]; then
local env_file_leave=$prev_dir/$AUTOENV_FILE_LEAVE
if _autoenv_check_authorized_env_file $env_file_leave; then
_autoenv_source $env_file_leave leave $prev_dir
_autoenv_chpwd_prev_dir=$PWD
- (( _autoenv_debug_indent++ ))
+ : $(( _autoenv_debug_indent++ ))
}
# }}}