2 # https://github.com/joshuaclayton/dotfiles/blob/master/zsh_profile.d/autoenv.zsh
4 export AUTOENV_ENV_FILENAME=$HOME/.env_auth
6 # Name of file to look for when entering directories.
7 : ${DOTENV_FILE_ENTER:=.env}
9 # Name of file to look for when leaving directories.
10 # Requires DOTENV_HANDLE_LEAVE=1.
11 : ${DOTENV_FILE_LEAVE:=.env.leave}
13 # Look for .env in parent dirs?
14 : ${DOTENV_LOOK_UPWARDS:=1}
16 # Handle leave events when changing away from a subtree, where an "enter"
18 : ${DOTENV_HANDLE_LEAVE:=1}
21 # Internal: stack of entered (and handled) directories.
22 _dotenv_stack_entered=()
27 echo "$env_file:$env_shasum:1"
30 _dotenv_authorized_env_file() {
32 local pair=$(_dotenv_hash_pair $env_file)
33 test -f $AUTOENV_ENV_FILENAME \
34 && \grep -qF $pair $AUTOENV_ENV_FILENAME
39 _dotenv_deauthorize $env_file
40 _dotenv_hash_pair $env_file >> $AUTOENV_ENV_FILENAME
43 _dotenv_deauthorize() {
45 if [[ -f $AUTOENV_ENV_FILENAME ]]; then
46 echo $(\grep -vF $env_file $AUTOENV_ENV_FILENAME) > $AUTOENV_ENV_FILENAME
50 # This function can be mocked in tests
51 _dotenv_read_answer() {
53 read $=_AUTOENV_TEST_READ_ARGS -q answer
57 # Args: 1: absolute path to env file (resolved symlinks).
58 _dotenv_check_authorized_env_file() {
59 if ! [[ -f $1 ]]; then
62 if ! _dotenv_authorized_env_file $1; then
63 echo "Attempting to load unauthorized env file: $1"
65 echo "**********************************************"
69 echo "**********************************************"
71 echo -n "Would you like to authorize it? [y/N] "
73 local answer=$(_dotenv_read_answer)
75 if [[ $answer != 'y' ]]; then
84 # Initialize $_dotenv_sourced_varstash, but do not overwrite an existing one
85 # from e.g. `exec zsh` (to reload your shell config).
86 : ${_dotenv_sourced_varstash:=0}
88 # Get directory of this file (absolute, with resolved symlinks).
89 _dotenv_this_dir=${0:A:h}
96 # Source varstash library once.
97 if [[ $_dotenv_sourced_varstash == 0 ]]; then
98 source $_dotenv_this_dir/lib/varstash
99 export _dotenv_sourced_varstash=1
100 # NOTE: Varstash uses $PWD as default for varstash_dir, we might set it to
104 # Change to directory of env file, source it and cd back.
106 builtin cd -q $_dotenv_cwd
108 builtin cd -q $new_dir
110 unset _dotenv_event _dotenv_cwd
113 _dotenv_chpwd_handler() {
114 local env_file="$PWD/$DOTENV_FILE_ENTER"
116 # Handle leave event for previously sourced env files.
117 if [[ $DOTENV_HANDLE_LEAVE == 1 ]] && (( $#_dotenv_stack_entered )); then
118 for prev_dir in ${_dotenv_stack_entered}; do
119 if ! [[ ${PWD}/ == ${prev_dir}/* ]]; then
120 local env_file_leave=$prev_dir/$DOTENV_FILE_LEAVE
121 if _dotenv_check_authorized_env_file $env_file_leave; then
122 _dotenv_source $env_file_leave leave $prev_dir
124 # Remove this entry from the stack.
125 _dotenv_stack_entered=(${_dotenv_stack_entered#$prev_dir})
130 if ! [[ -f $env_file ]] && [[ $DOTENV_LOOK_UPWARDS == 1 ]]; then
131 # Look for files in parent dirs, using an extended Zsh glob.
132 setopt localoptions extendedglob
134 m=((../)#${DOTENV_FILE_ENTER}(N))
136 env_file=${${m[1]}:A}
142 if ! _dotenv_check_authorized_env_file $env_file; then
146 # Load the env file only once: check if $env_file's parent
147 # is in $_dotenv_stack_entered.
148 local env_file_dir=${env_file:A:h}
149 if (( ${+_dotenv_stack_entered[(r)${env_file_dir}]} )); then
153 _dotenv_stack_entered+=(${env_file_dir})
155 _dotenv_source $env_file enter $PWD
158 autoload -U add-zsh-hook
159 add-zsh-hook chpwd _dotenv_chpwd_handler
161 # Look in current directory already.
162 _dotenv_chpwd_handler