# 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
# Name of file to look for when entering directories.
: ${AUTOENV_FILE_ENTER:=.env}
# Source the next .env file from parent directories.
# This is useful if you want to use a base .env file for a directory subtree.
autoenv_source_parent() {
- local parent_env_file=$(_autoenv_get_file_upwards $PWD)
+ local parent_env_file=$(_autoenv_get_file_upwards ${autoenv_env_file:h})
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
+ _autoenv_source $parent_env_file enter
fi
}
# Internal functions. {{{
# Internal: stack of entered (and handled) directories. {{{
+typeset -g -a _autoenv_stack_entered
_autoenv_stack_entered=()
-typeset -A _autoenv_stack_entered_mtime
+# -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() {
local env_file=$1
- _autoenv_debug "[stack] adding: $env_file" 2
-
# Remove any existing entry.
_autoenv_stack_entered_remove $env_file
+ _autoenv_debug "[stack] adding: $env_file" 2
+
# Append it to the stack, and remember its mtime.
_autoenv_stack_entered+=($env_file)
_autoenv_stack_entered_mtime[$env_file]=$(_autoenv_get_file_mtime $env_file)
return
fi
# Load zsh color support.
- if [[ -z $colors ]]; then
+ if [[ -z $color ]]; then
autoload colors
colors
fi
# }}}
# Load zstat module, but only its builtin `zstat`.
-zmodload -F zsh/stat b: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 ($1).
+# A fixed hash value can be given as 2nd arg, but is used with tests only.
_autoenv_hash_pair() {
local env_file=${1:A}
- local env_shasum
- if [[ -n $2 ]]; then
- env_shasum=$2
- else
+ local env_shasum=${2:-}
+ if [[ -z $env_shasum ]]; then
+ if ! [[ -e $env_file ]]; then
+ echo "Missing file argument for _autoenv_hash_pair!" >&2
+ return 1
+ fi
env_shasum=$(shasum $env_file | cut -d' ' -f1)
fi
- echo "$env_file:$env_shasum:1"
+ echo ":${env_file}:${env_shasum}:1"
}
_autoenv_authorized_env_file() {
}
_autoenv_authorize() {
- local env_file=$1
+ local env_file=${1:A}
_autoenv_deauthorize $env_file
- _autoenv_hash_pair $env_file >> $AUTOENV_ENV_FILENAME
+ _autoenv_hash_pair $env_file >>| $AUTOENV_ENV_FILENAME
}
+# Deauthorize a given filename, by removing it from the auth file.
+# This uses `test -s` to only handle non-empty files, and a subshell to
+# allow for writing to the same file again.
_autoenv_deauthorize() {
- local env_file=$1
- if [[ -f $AUTOENV_ENV_FILENAME ]]; then
- echo $(\grep -vF $env_file $AUTOENV_ENV_FILENAME) > $AUTOENV_ENV_FILENAME
+ local env_file=${1:A}
+ if [[ -s $AUTOENV_ENV_FILENAME ]]; then
+ echo "$(\grep -vF :${env_file}: $AUTOENV_ENV_FILENAME)" >| $AUTOENV_ENV_FILENAME
fi
}
_autoenv_source() {
local env_file=$1
- _autoenv_event=$2
+ autoenv_event=$2
local _autoenv_envfile_dir=${3:-${1:A:h}}
- _autoenv_from_dir=$_autoenv_chpwd_prev_dir
- _autoenv_to_dir=$PWD
+ autoenv_from_dir=$_autoenv_chpwd_prev_dir
+ autoenv_to_dir=$PWD
+ autoenv_env_file=$env_file
# Source varstash library once.
if [[ -z "$functions[(I)autostash]" ]]; then
# Change to directory of env file, source it and cd back.
local new_dir=$PWD
- builtin cd -q $_autoenv_envfile_dir
- _autoenv_debug "== SOURCE: ${bold_color}$env_file${reset_color}\n PWD: $PWD"
+ _autoenv_debug "== 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
+
+ if [[ $autoenv_event == enter ]]; then
+ _autoenv_stack_entered_add $env_file
+ fi
# Unset vars set for enter/leave scripts.
# This should not get done for recursion (via autoenv_source_parent),
# and can be useful to have in general after autoenv was used.
- # unset _autoenv_event _autoenv_from_dir _autoenv_to_dir
+ # unset autoenv_event autoenv_from_dir autoenv_to_dir autoenv_env_file
}
_autoenv_get_file_upwards() {
if _autoenv_check_authorized_env_file $env_file_leave; then
_autoenv_source $env_file_leave leave $prev_dir
fi
+
+ # Unstash any autostashed stuff.
+ varstash_dir=$prev_dir autounstash
+
_autoenv_stack_entered_remove $prev_file
fi
done
return
fi
- _autoenv_stack_entered_add $env_file
-
# Source the enter env file.
_autoenv_debug "Sourcing from chpwd handler: $env_file"
_autoenv_source $env_file enter