fallback to regular SSH password prompt

dot_config/zsh/dot_zshrc

@@ -87,8 +87,12 @@ fi
 if command -v keychain >/dev/null; then
 	alias keychain="keychain --nolock --absolute --dir $XDG_RUNTIME_DIR"
 	eval "$(keychain --quick --eval)"
-  rbw unlock
-  SSH_ASKPASS=get_id_rsa_pass SSH_ASKPASS_REQUIRE=force ssh-add ~/.ssh/id_rsa
+  if command -v rbw >/dev/null; then
+    rbw unlock
+    SSH_ASKPASS=get_id_rsa_pass SSH_ASKPASS_REQUIRE=force ssh-add ~/.ssh/id_rsa
+  else
+    ssh-add ~/.ssh/id_rsa
+  fi
 fi
 
 # Command not found handler