Move ext/* to scripts/

scripts/VARS

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+HOSTNAME=`emacs --batch --eval '(message "%s" (system-name))' 2>&1`
+
+ROOT_DIR="$(cd $(dirname $0)/../ && pwd -P)"
+CACHE_DIR="$ROOT_DIR/private/cache/$HOSTNAME"
+ELPA_DIR="$ROOT_DIR/.cask/`emacs --version | grep -E -o '2[4-9]\.[0-9\.]+'`/elpa"
+EXT_DIR="$ROOT_DIR/ext"
+
+#
+is-mac()  { [[ "$OSTYPE" == darwin* ]]; }
+is-arch() { [ -f "/etc/arch-release" ]; }
+is-deb()  { [ -f "/etc/debian_version" ]; }
+
+git-repo() {
+    old=$(pwd)
+    if [ -d "$2" ]; then
+        cd "$2" && git pull
+    else
+        git clone --depth 1 --recursive "$1" "$2"
+    fi
+    cd "$old"
+}