git post-checkout hook for compressing javascript (via uglifyjs)

post-checkout

#!/bin/bash

branch=$(git symbolic-ref -q HEAD |sed 's/refs\/heads\///')
gitroot=$(git rev-parse --show-toplevel)
jsdir="js"
targetdir="$gitroot/$jsdir"

files=$(find $targetdir -maxdepth 1 -type f -name '*.js' ! \( -name '*.min.js' \))
echo -n "Uglifying javascript... "
for f in $files; do 
  uglifyjs $f > $(echo $f |sed 's/\(\.js\)$/\.min\1/')
done
echo "done."