This is a script to update chromium to the nightly build for mac

update_chromium.sh

#!/bin/bash
TMP_DIR=/tmp/chromedownload
BASE_URL=http://build.chromium.org/f/chromium/snapshots/chromium-rel-mac
rm -rf $TMP_DIR 
mkdir $TMP_DIR
cd $TMP_DIR
curl $BASE_URL/LATEST -o $TMP_DIR/LATEST --silent && LATEST=`cat $TMP_DIR/LATEST`
echo "Latest build # $LATEST"
echo "downloading from: $BASE_URL/$LATEST/chrome-mac.zip"
curl $BASE_URL/$LATEST/chrome-mac.zip -o $TMP_DIR/chrome-mac.zip 

unzip -qq $TMP_DIR/chrome-mac.zip
rm -rf /Application/Chromium.app
cp -R $TMP_DIR/chrome-mac/Chromium.app /Applications
rm -rf $TMP_DIR