Install: add to $PATH (#530)

scripts/install

@@ -215,6 +215,19 @@ get_shell() {
 # main
 # =====================
 
+export_path_cmd() {
+ echo
+ echo ' export PATH="${PATH}:'"$BIN_DIR"'"'
+}
+
+append_to_file() {
+ local -r path="$1"
+ local -r text="$2"
+ if [ -f "$path" ]; then
+ echo "$text" >> "$path"
+ fi
+}
+
 install_navi() {
  local -r target="$(get_target)"
 
@@ -245,9 +258,10 @@ install_navi() {
  if echo "$PATH" | grep -q "$BIN_DIR"; then
  :
  else
- echoerr
- log::note 'Please add the following to your .bashrc-like file:'
- echo -e ' export PATH="${PATH}:'"$BIN_DIR"'"\n'
+ local -r cmd="$(export_path_cmd)"
+ append_to_file "${HOME}/.bashrc" "$cmd"
+ append_to_file "${ZDOTDIR:-"$HOME"}/.zshrc" "$cmd"
+ append_to_file "${HOME}/.fishrc" "$cmd"
  fi
 
  log::note "To call navi, restart your shell or reload your .bashrc-like config file"