MacVIM installer

macvim_install.sh

#!/usr/bin/env bash

# ## Installing MacVim on Mac OS X 10.5/10.6
#
#     bash < <(curl -L http://gist.github.com/raw/576195/macvim_install.sh)
#

case $(sw_vers -productVersion) in
  10.5.*)
    url="http://github.com/downloads/b4winckler/macvim/MacVim-7_3-53-ppc-i386-OSX10_5.tbz"
    ;;
  10.6.*)
    url="http://github.com/downloads/b4winckler/macvim/MacVim-7_3-53.tbz"
    ;;
  *)
    printf ">>> Not a supported version of Mac OS X so quitting.\n"
    exit 1
    ;;
esac

tar="${url##http*/}"
download_dir="/tmp/macvim-$$"

printf "===> Attempting sudo for mvim installation ...\n"
sudo echo "Done."

printf "===> Downloading $tar to $download_dir ...\n"
mkdir -p "$download_dir"
curl -L "$url" -o "${download_dir}/${tar}"

printf "===> Installing /Applications/MacVim.app ...\n"
tar xpfj "${download_dir}/${tar}" -C /Applications \
  --strip-components=1 */MacVim.app

printf "===> Installing /usr/local/bin/mvim wrapper ...\n"
sudo mkdir -p /usr/local/bin
sudo tar xfj "${download_dir}/${tar}" -C /usr/local/bin \
  --strip-components=1 */mvim
sudo chmod 755 /usr/local/bin/mvim

for sym in mvimdiff mview mex rmvim ; do
  printf "===> Installing /usr/local/bin/$sym symlink ...\n"
  (builtin cd /usr/local/bin && sudo ln -snf ./mvim "$sym")
done

printf "===> Cleaning up $download_dir ...\n"
rm -rf "$download_dir"

printf "===> MacVim installation complete. w00t.\n\n\n"