my newest buildscript

#!/bin/bash

# mybuild2.sh

# my custom script to build and flash

# note the start time
START=$(date +%s)

# change to top of build directory
cd ~/android/system

# assign variables
OPTION="$1"

# clean 1st if called
case "$OPTION" in
    clean)
        make clean
    rm -rf ./out
esac

# get rom manager
cd vendor/cyanogen
./get-rommanager

# prepare to build kernel
cd ~/android/system && . build/envsetup.sh && lunch cyanogen_captivatemtd-eng

# change to kernel directory and build kernel
cd ~/android/system/kernel/samsung/aries && ./build.sh captivatemtd

# change to top of build directory and build, using ccache to speed things up
cd ~/android/system && USE_CCACHE=1 brunch captivatemtd

# push zip to connected phone and flash
eat

# calculate and show elapsed time
END=$(date +%s)
ELAPSED=$((END - START))
E_MIN=$((ELAPSED / 60))
E_SEC=$((ELAPSED - E_MIN * 60))
printf "Elapsed: "
[ $E_MIN != 0 ] && printf "%d min(s) " $E_MIN
printf "%d sec(s)\n" $E_SEC