deb-preinst - package pre-installation maintainer script

NAME  SYNOPSIS  DESCRIPTION  SEE ALSO 

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NAME

deb−preinst − package pre−installation maintainer script

SYNOPSIS

DEBIAN/preinst

DESCRIPTION

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:
new−preinst install

Before the package is installed.

new−preinst install old−version new−version

Before a removed package is upgraded.

The new−version is passed only since dpkg 1.18.5.

new−preinst upgrade old−version new−version

Before the package is upgraded.

The new−version is passed only since dpkg 1.18.5.

old−preinst abort−upgrade new−version

If postrm fails during upgrade or fails on failed upgrade.

SEE ALSO

dpkg(1).

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