add auto-install.sh

README.md

@@ -32,8 +32,9 @@ which can be upgraded with `git pull`. For example, to upgrade Command-T
      cd ~/.vim/bundle/command-t
      git pull
 
-To install a new plugin as a git submoudle, type
+To install a new plugin as a git submoudle, type the followin commands.
 
+     cd ~/.vim
      git submodule add [GIT-REPOSITORY-URL] bundle/[PLUGIN-NAME]
 
 HOW TO USE

auto-install.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+VIMHOME=~/.vim
+
+warn() {
+    echo "$1" >&2
+}
+
+die() {
+    warn "$1"
+    exit 1
+}
+
+[ -e "$VIMHOME/vimrc" ] && die "$VIMHOME/vimrc already exists."
+[ -e "~/.vim" ] && die "~/.vim already exists."
+[ -e "~/.vimrc" ] && die "~/.vimrc already exists."
+
+git clone https://github.com/vgod/vimrc "$VIMHOME"
+cd "$VIMHOME"
+git submodule update --init
+
+./install-vimrc.sh
+
+cd bundle/command-t/ruby/command-t
+(ruby extconf.rb && make) || warn "Can't compile Command-T."
+
+echo "vgod's vimrc is installed."