Script to install Vim plugin from its development source

vim-plugin-installer.sh

#! /bin/bash

if [[ -z $1 ]]
then
    if [[ -z $VIMRUNTIME ]]
    then
        VIMRUNTIME=$HOME/.vim
    fi
else
    VIMRUNTIME="$1"
fi

echo "Installing to: $VIMRUNTIME ..."
for dir in after autoload colors compiler doc ftdetect ftplugin indent plugin syntax
do
    if [[ -d $dir ]]
    then
        CMD="cp -r $dir/* $VIMRUNTIME/$dir/"
        echo "  $CMD"
        $CMD || exit
    fi
done

echo "Updating help tags ..."
cd $VIMRUNTIME/doc && vim -c 'helptags . | :q'

echo "Done: plugin installed".