A script to update Chromium to the latest nightly build. Runs well from a launchd job.

com.pftqg.chromeupdate.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>Label</key>
	<string>com.pftqg.chromeupdate</string>
	<key>ProgramArguments</key>
	<array>
		<string>/Users/patrick/bin/update-chrome.sh</string>
	</array>
	<key>StartCalendarInterval</key>
	<dict>
	  <key>Hour</key>
	  <integer>6</integer>
	  <key>Minute</key>
	  <integer>0</integer>
	</dict>
	<key>StandardOutPath</key>
	<string>/tmp/chrome-update.log</string>
</dict>
</plist>

update-chrome.sh

#!/bin/bash

cd /tmp

curl -O http://build.chromium.org/f/chromium/snapshots/chromium-rel-mac/LATEST

VAL=`cat LATEST |cut -f1`

echo "Latest is $VAL"

curl -O http://build.chromium.org/f/chromium/snapshots/chromium-rel-mac/$VAL/chrome-mac.zip

# Kill Any Existing Chrome Proceses
killall Chromium

unzip -o chrome-mac

if [ -f LATEST ]; then
  rm LATEST
fi

rm -rf /Applications/Chromium.app
mv chrome-mac/Chromium.app /Applications/

rm chrome-mac.zip
rm -rf chrome-mac

open /Applications/Chromium.app