Add installvim script

script/installvim

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -e
+
+mkdir -p $HOME/dev
+destdir=$HOME/dev/vim
+if [ -d $destdir ]; then
+  cd $destdir
+  git pull --rebase
+else
+  cd $HOME/dev
+  git clone -q https://github.com/vim/vim.git vim
+fi
+cd $HOME/dev/vim
+./configure --prefix=$HOME/local --enable-rubyinterp --enable-luainterp --enable-python3interp --with-features=huge --enable-multibyte --enable-gui=gtk2 --with-x
+make -j6
+make install

script/updatevim

@@ -0,0 +1 @@
+installvim