deb-preinst

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                          2019-09-05                    deb-preinst(5)
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