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2.3 Hooks

Hooks can be used in order to change the runtime behaviour of the package manager. There are a variety of package hooks, mostly self explanatory:

In order to use hooks, you will need to set the CPT_HOOK variable pointing to your hook file. Your hook file MUST be a POSIX shell script as its contents are sourced by the package manager.

The hook is given 3 variables when it is executed. Those are:


The type of the hook, (pre-build, post-build, etc.)


The package that cpt is currently working on. Can be null.


The destination of the operation. Can be null.