# event was handled?
: ${AUTOENV_HANDLE_LEAVE:=1}
+# Enable debugging. Multiple levels are supported (max 2).
+: ${AUTOENV_DEBUG:=0}
# Public helper functions, which can be used from your .env files:
#
if [[ -n $parent_env_file ]] \
&& _autoenv_check_authorized_env_file $parent_env_file; then
+ _autoenv_debug "Calling autoenv_source_parent: parent_env_file:$parent_env_file"
local parent_env_dir=${parent_env_file:A:h}
+
+ _autoenv_stack_entered_add $parent_env_file
+
_autoenv_source $parent_env_file enter $parent_env_dir
fi
}
-
+# Internal functions. {{{
# Internal: stack of entered (and handled) directories. {{{
_autoenv_stack_entered=()
typeset -A _autoenv_stack_entered_mtime
_autoenv_stack_entered_add() {
local env_file=$1
+ _autoenv_debug "[stack] adding: $env_file" 2
+
# Remove any existing entry.
- _autoenv_stack_entered[$_autoenv_stack_entered[(i)$1]]=()
+ _autoenv_stack_entered_remove $env_file
# Append it to the stack, and remember its mtime.
_autoenv_stack_entered+=($env_file)
# Remove an entry from the stack.
_autoenv_stack_entered_remove() {
local env_file=$1
- _autoenv_stack_entered=(${_autoenv_stack_entered#$env_file})
+ _autoenv_debug "[stack] removing: $env_file" 2
+ _autoenv_stack_entered[$_autoenv_stack_entered[(i)$env_file]]=()
_autoenv_stack_entered_mtime[$env_file]=
}
}
# }}}
+# Internal function for debug output. {{{
+_autoenv_debug() {
+ local msg=$1
+ local level=${2:-1}
+ if [[ $AUTOENV_DEBUG -lt $level ]]; then
+ return
+ fi
+ # Load zsh color support.
+ if [[ -z $colors ]]; then
+ autoload colors
+ colors
+ fi
+ # Build $indent prefix.
+ local indent=
+ if [[ $_autoenv_debug_indent -gt 0 ]]; then
+ for i in {1..${_autoenv_debug_indent}}; do
+ indent=" $indent"
+ done
+ fi
+
+ # Split $msg by \n (not newline).
+ lines=(${(ps:\\n:)msg})
+ for line in $lines; do
+ echo -n "${fg_bold[blue]}[autoenv]${fg_no_bold[default]} " >&2
+ echo ${indent}${line} >&2
+ done
+}
+# }}}
+
# Load zstat module, but only its builtin `zstat`.
zmodload -F zsh/stat b:zstat
_autoenv_hash_pair() {
local env_file=${1:A}
- if (( $+2 )); then
+ local env_shasum
+ if [[ -n $2 ]]; then
env_shasum=$2
else
env_shasum=$(shasum $env_file | cut -d' ' -f1)
}
# Get directory of this file (absolute, with resolved symlinks).
-_autoenv_this_dir=${0:A:h}
+_autoenv_source_dir=${0:A:h}
_autoenv_source() {
local env_file=$1
_autoenv_event=$2
- local _autoenv_envfile_dir=$3
+ local _autoenv_envfile_dir=${3:-${1:A:h}}
_autoenv_from_dir=$_autoenv_chpwd_prev_dir
_autoenv_to_dir=$PWD
# Source varstash library once.
if [[ -z "$functions[(I)autostash]" ]]; then
- source $_autoenv_this_dir/lib/varstash
+ source $_autoenv_source_dir/lib/varstash
# NOTE: Varstash uses $PWD as default for varstash_dir, we might set it to
# ${env_file:h}.
fi
# Change to directory of env file, source it and cd back.
local new_dir=$PWD
builtin cd -q $_autoenv_envfile_dir
+ _autoenv_debug "== SOURCE: ${bold_color}$env_file${reset_color}\n PWD: $PWD"
+ (( _autoenv_debug_indent++ ))
source $env_file
+ (( _autoenv_debug_indent-- ))
+ _autoenv_debug "== END SOURCE =="
builtin cd -q $new_dir
# Unset vars set for enter/leave scripts.
_autoenv_get_file_upwards() {
local look_from=${1:-$PWD}
local look_for=${2:-$AUTOENV_FILE_ENTER}
- # Look for files in parent dirs, using an extended Zsh glob.
- setopt localoptions extendedglob
- local m
- # Y1: short-circuit: first match.
- # :A: absolute path, resolving symlinks.
- m=($look_from/(../)##${look_for}(NY1:A))
- if (( $#m )); then
- echo $m[1]
- fi
+
+ # Manually look in parent dirs. An extended Zsh glob should use Y1 for
+ # performance reasons, which is only available in zsh-5.0.5-146-g9381bb6.
+ local last
+ local parent_dir="$look_from/.."
+ while true; do
+ parent_dir=${parent_dir:A}
+ if [[ $parent_dir == $last ]]; then
+ break
+ fi
+ parent_file="${parent_dir}/${look_for}"
+
+ if [[ -f $parent_file ]]; then
+ echo $parent_file
+ break
+ fi
+
+ last=$parent_dir
+ parent_dir="${parent_dir}/.."
+ done
}
_autoenv_chpwd_handler() {
local env_file="$PWD/$AUTOENV_FILE_ENTER"
+ _autoenv_debug "Calling chpwd handler: PWD=$PWD"
+
# Handle leave event for previously sourced env files.
if [[ $AUTOENV_HANDLE_LEAVE == 1 ]] && (( $#_autoenv_stack_entered )); then
local prev_file prev_dir
if _autoenv_check_authorized_env_file $env_file_leave; then
_autoenv_source $env_file_leave leave $prev_dir
fi
- _autoenv_stack_entered_remove $prev_dir
+ _autoenv_stack_entered_remove $prev_file
fi
done
fi
# Load the env file only once: check if $env_file is in the stack of entered
# directories.
if _autoenv_stack_entered_contains $env_file; then
+ _autoenv_debug "Already in stack: $env_file"
_autoenv_chpwd_prev_dir=$PWD
return
fi
_autoenv_stack_entered_add $env_file
# Source the enter env file.
- _autoenv_source $env_file enter $PWD
+ _autoenv_debug "Sourcing from chpwd handler: $env_file"
+ _autoenv_source $env_file enter
_autoenv_chpwd_prev_dir=$PWD
+
+ (( _autoenv_debug_indent++ ))
}
+# }}}
autoload -U add-zsh-hook
add-zsh-hook chpwd _autoenv_chpwd_handler