SQLI_CodeSniffer

Create a package.xml file at source folder with package/PackageManager.php:
> php PackageManager.php make

Create the tgz package file:
> pear package

Install it:
> pear install SQLI_CodeSniffer-MyVersion.tgz

From the second time on use this instead:
> pear upgrade -f SQLI_CodeSniffer-MyVersion.tgz