Application Packaging Developer's Guide

Creating Information Files and Installation Scripts (Task Map)

The following task map describes the optional features you can build into a package.

Table 3–1 Creating Information Files and Installation Scripts (Task Map)


Task	Description	For Instructions
1. Create information files	Define package dependencies A definition of package dependencies allows you to specify whether your package is compatible with previous versions, dependent on other packages, or whether other packages are dependent on yours.	How to Define Package Dependencies
	Write a copyright message A `copyright` file provides legal protection for your software application.	How to Write a Copyright Message
	Reserve additional space on the target system. A `space` file sets aside blocks on the target system, which enables you to create files during installation that are not defined in the `pkgmap` file.	How to Reserve Additional Space on a Target System
2. Create installation scripts	Obtain information from the installer A `request` script enables you to obtain information from the person installing your package.	How to Write a `request` Script
	Gather file system data needed for installation A `checkinstall` script enables you to perform an analysis of the target system and set up the correct environment for, or cleanly halt, the installation.	How to Gather File System Data
	Write procedure scripts Procedure scripts enable you to provide customized installation instructions during specific phases of the installation or removal process.	How to Write Procedure Scripts
	Write class action scripts Class action scripts enable you to specify a set of instructions to be executed during package installation and removal on specific groups of package objects.	How to Write Class Action Scripts