fix scp troubles

.bash_profile

@@ -1,2 +1,3 @@
+# shellcheck source=.profile
 . ~/.profile
 . ~/.bashrc

.bashrc

@@ -3,6 +3,8 @@
 #
 # macos/homebrew style
 
+[ -t 0 ] || exit 0
+
 # clean up
 unalias -a
 

.profile

@@ -1,23 +1,19 @@
+#!/bin/bash
 # ~/.profile: executed by the command interpreter for login shells.
 # This file is not read by bash(1), if ~/.bash_profile exists.
 
-# go is a special snowflake
-export GOROOT=/usr/local/opt/go/libexec
-export GOPATH=~/go
-
 # one path to rule them all
 function add_to_path() {
     [ -d "$1" ] && export PATH="$1":$PATH
 }
-add_to_path $GOPATH/bin
-add_to_path $GOROOT/bin
 add_to_path /opt/bin
-add_to_path $(brew --prefix coreutils)/libexec/gnubin
-add_to_path $(brew --prefix)/bin
+add_to_path "$(brew --prefix coreutils)/libexec/gnubin"
+add_to_path "$(brew --prefix)/bin"
 add_to_path ~/bin
 
 # one locale to rule them all
 unset  LC_ALL
 unset  LANGUAGE
 unset  LC_CTYPE
-export LANG=`locale -a | grep -Ei "en.us.utf"`
+LANG="$(locale -a | grep -Ei "en.us.utf")"
+export LANG