POSTIN

/bin/sh

update-alternatives --install /sbin/mkinitrd mkinitrd /sbin/mkinitrd-mkinitrd 100 || :

POSTUN

/bin/sh

[[ ! -e /sbin/mkinitrd-mkinitrd ]] && update-alternatives --remove mkinitrd /sbin/mkinitrd-mkinitrd || :

# this is the version we introduced alternatives

Triggers

mkinitrd < 6.0.93-10

/bin/sh

update-alternatives --install /sbin/mkinitrd mkinitrd /sbin/mkinitrd-mkinitrd 100 || :