Minifying + Compressing an AngularJS App

build.sh

#!/bin/bash
 
ccred=$(echo -e "\033[0;31m")
ccyellow=$(echo -e "\033[0;33m")
ccgreen=$(echo -e "\033[0;32m")
ccend=$(echo -e "\033[0m")
 
exit_code=0
 
cd "$(git rev-parse --show-toplevel)"
 
#Minify
echo -e "$ccyellow========Minify========$ccend"
for ext in 'css' 'js'
do
    for infile in `find ./app -name *.$ext |grep -v min`
    do
        outfile="$(echo $infile |sed 's/\(.*\)\..*/\1/').min.$ext"
        echo -n -e "\nMinifying $infile to $outfile: "
        if [ ! -f "$outfile" ] || [ "$infile" -nt "$outfile" ]
        then
            yuicompressor "$infile" > "$outfile"
            if [ `echo $?` != 0 ]
            then
                exit_code=1
                echo -e "\n$ccred========Failed minification of $infile to $outfile . Reverting========$ccend\n" >&2
                git checkout -- "$outfile" || rm -f "$outfile"
            else
                echo $ccgreen Success.$ccend
            fi
        else
            echo $ccgreen Not modified.$ccend
        fi
    done
done
 
#Compress / Copy
echo -e "\n\n$ccyellow========Compress / Copy========$ccend\n"
for infile in `find ./app -type f -not -empty`
do
    filetype="$(grep -r -m 1 "^" "$infile" |grep '^Binary file')"
    outfile="./build/$(echo $infile |cut -c7-)"
 
    mkdir -p $(dirname "$outfile")
    if [ ! -f "$outfile" ] || [ "$infile" -nt "$outfile" ]
    then
        if [ "$filetype" = "" ] #Compress text files
        then
            echo -n -e "\nCompressing $infile to $outfile: "
            gzip -c "$infile" > "$outfile"
        else #Copy binary files as is
            echo -e -n "\nCopying $infile to $outfile: "
            cp "$infile" "$outfile"
        fi
        if [ `echo $?` != 0 ]
        then
            exit_code=2
            echo -e "\n$ccred========Failed compress / copy of $infile to $outfile . Reverting========$ccend\n" >&2
        else
            echo $ccgreen Success.$ccend
        fi
    else
        echo -e "$infile -> $outfile: $ccgreen Not modified.$ccend\n"
    fi
done
 
echo -e "\n$ccyellow========Finished========$ccend"
exit $exit_code

Full explanation at http://adityamukho.github.io/2013/03/24/minifying-compressing-an-angularjs-app/