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executable file 121 lines (106 sloc) 2.303 kB
#!/usr/bin/env bash
AUTOENV_AUTH_FILE=~/.autoenv_authorized
if [[ -n "${ZSH_VERSION}" ]]
then __array_offset=0
else __array_offset=1
fi
autoenv_init()
{
typeset target home _file
typeset -a _files
target=$1
home="$(dirname $HOME)"
_files=( $(
while [[ "$PWD" != "/" && "$PWD" != "$home" ]]
do
_file="$PWD/.env"
if [[ -e "${_file}" ]]
then echo "${_file}"
fi
builtin cd ..
done
) )
_file=${#_files[@]}
while (( _file > 0 ))
do
envfile=${_files[_file-__array_offset]}
autoenv_check_authz_and_run "$envfile"
: $(( _file -= 1 ))
done
}
autoenv_env() {
builtin echo "autoenv:" "$@"
}
autoenv_printf() {
builtin printf "autoenv: "
builtin printf "$@"
}
autoenv_indent() {
sed 's/.*/autoenv: &/' $@
}
autoenv_hashline()
{
typeset envfile hash
envfile=$1
hash=$(shasum "$envfile" | cut -d' ' -f 1)
echo "$envfile:$hash"
}
autoenv_check_authz()
{
typeset envfile hash
envfile=$1
hash=$(autoenv_hashline "$envfile")
touch $AUTOENV_AUTH_FILE
\grep -Gq "$hash" $AUTOENV_AUTH_FILE
}
autoenv_check_authz_and_run()
{
typeset envfile
envfile=$1
if autoenv_check_authz "$envfile"; then
source "$envfile"
return 0
fi
if [[ -z $MC_SID ]]; then #make sure mc is not running
autoenv_env
autoenv_env "WARNING:"
autoenv_env "This is the first time you are about to source $envfile":
autoenv_env
autoenv_env " --- (begin contents) ---------------------------------------"
autoenv_indent "$envfile"
autoenv_env
autoenv_env " --- (end contents) -----------------------------------------"
autoenv_env
autoenv_printf "Are you sure you want to allow this? (y/N) "
read answer
if [[ "$answer" == "y" ]]; then
autoenv_authorize_env "$envfile"
source "$envfile"
fi
fi
}
autoenv_deauthorize_env() {
typeset envfile
envfile=$1
cp "$AUTOENV_AUTH_FILE" "$AUTOENV_AUTH_FILE.tmp"
grep -Gv "$envfile:" "$AUTOENV_AUTH_FILE.tmp" > $AUTOENV_AUTH_FILE
}
autoenv_authorize_env() {
typeset envfile
envfile=$1
autoenv_deauthorize_env "$envfile"
autoenv_hashline "$envfile" >> $AUTOENV_AUTH_FILE
}
autoenv_cd()
{
if builtin cd "$@"
then
autoenv_init
return 0
else
return $?
fi
}
cd() {
autoenv_cd "$@"
}
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