Move set-config function to script

bin/set-config

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+KEY="$1"
+VALUE="$2"
+FILE="$3"
+
+touch "$FILE"
+
+if grep -q "$1=" "$FILE"; then
+  sed "s@$KEY=.*@$KEY=\"$VALUE\"@" -i "$FILE"
+else
+  echo "export $KEY=\"$VALUE\"" >> "$FILE"
+fi

system/.function

@@ -21,20 +21,6 @@ prepend-path() {
   [ -d $1 ] && PATH="$1:$PATH"
 }
 
-# Update config file
-
-set-config() {
-  local KEY="$1"
-  local VALUE="$2"
-  local FILE="$3"
-  touch "$FILE"
-  if grep -q "$1=" "$FILE"; then
-    sed "s@$KEY=.*@$KEY=\"$VALUE\"@" -i "$FILE"
-  else
-    echo "export $KEY=$VALUE" >> "$FILE"
-  fi
-}
-
 # Show 256 TERM colors
 
 colors() {

test/bin.bats

@@ -10,3 +10,13 @@
 	EXPECTED=$'{ "x": 1 }'
 	[ "$ACTUAL" = "$EXPECTED" ]
 }
+
+@test "set-config" {
+	run set-config KEY_A VALUE_1 MYFILE
+	run set-config KEY_B VALUE_2 MYFILE
+	run set-config KEY_A VALUE_3 MYFILE
+	ACTUAL=`cat MYFILE`
+	EXPECTED=$'export KEY_A="VALUE_3"\nexport KEY_B="VALUE_2"'
+	[ "$ACTUAL" = "$EXPECTED" ]
+	run rm MYFILE
+}