deb-preinst(5) dpkg suite deb-preinst(5) NAME
deb-preinst - package pre-installation maintainer script SYNOPSIS
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 removed package is upgraded. new-preinst upgrade old-version new-version Before the package is upgraded. old-preinst abort-upgrade new-version If postrm fails during upgrade or fails on failed upgrade. SEE ALSO
dpkg(1). 1.19.0.5 2018-04-16 deb-preinst(5)