deb-preinst(5) dpkg suite deb-preinst(5)

deb-preinst - package pre-installation maintainer script

DEBIAN/preinst

A package can perform several pre-installation actions via maintainer scripts, by including an executable preinst file in its control archive (i.e. DEBIAN/preinst during package creation).

The script can be called in the following ways:

Before the package is installed.
Before a removed package is upgraded.

The new-version is passed only since dpkg 1.18.5.

Before the package is upgraded.

The new-version is passed only since dpkg 1.18.5.

If postrm fails during upgrade or fails on failed upgrade.

dpkg(1).

2023-08-30 1.22.0