postinst is in bootcd-mkinitramfs 3.27.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | #!/bin/sh
set -e
# Regenerate initramfs on upgrade
if [ "$1" = "configure" ]; then
# We now install config to /usr/share/initramfs-tools instead of
# /etc/initramfs-tools. This means we have to cleanup.
# Do not forget .dpkg-old files.
D=/etc/initramfs-tools
for i in \
$(find $D/hooks -name "bootcdinitramfshook*") \
$(find $D/scripts/init-top -name "runbootcdmodprobe*") \
$(find $D/scripts/init-premount/ -name "runbootcdproberoot*")
do
mkdir -p /etc/bootcd/initramfs-tools.oldconfig
mv $i /etc/bootcd/initramfs-tools.oldconfig
done
update-initramfs -u
fi
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