postinst is in initramfs-tools 0.130ubuntu3.6.
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 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | #!/bin/sh
set -e
mvverbose=-v
# from dpkg-maintscript-helper, modified
ensure_package_owns_file() {
local PACKAGE="$1"
local FILE="$2"
dpkg-query -L "$PACKAGE" | grep -F -q -x "$FILE"
}
# from dpkg-maintscript-helper, modified
finish_mv_conffile() {
local CONFFILE="$1"
local PACKAGE="$2"
rm $mvverbose -f "$CONFFILE.dpkg-remove"
[ -e "$CONFFILE.dpkg-backup" ] || return 0
ensure_package_owns_file "$PACKAGE" "$CONFFILE" || return 0
echo "Preserving user changes to $CONFFILE (now owned by $PACKAGE)..."
if [ -e "$CONFFILE" ]; then
mv $mvverbose -f "$CONFFILE" "$CONFFILE.dpkg-new"
fi
mv $mvverbose -f "$CONFFILE.dpkg-backup" "$CONFFILE"
}
# If initramfs-tools-core was fully upgraded to 0.123 before our
# preinst ran, we need to move initramfs.conf back into place.
if [ "$1" = configure ] && [ -n "$2" ] && dpkg --compare-versions "$2" lt 0.123~; then
finish_mv_conffile /etc/initramfs-tools/initramfs.conf initramfs-tools-core
fi
# Regenerate initramfs whenever we go to dpkg state `installed'
if [ "x$1" != xtriggered ]; then
# this activates the trigger, if triggers are working
update-initramfs -u
else
# force it to actually happen
DPKG_MAINTSCRIPT_PACKAGE='' update-initramfs -u
fi
# Remove all initrd old dkms files for which there is no
# corresponding initram image in /boot (LP: #1791959).
# One shot only:
# - bug only affected users that were upgrading packages
# - new users are not affected
# - LP: #1515513 took care of removing old dkms together with the kernel
if [ "x$1" = xconfigure ] && [ -n "$2" ] && dpkg --compare-versions "$2" lt "0.130ubuntu3.5"; then
for old_dkms_file in /boot/initrd-*.img.old-dkms \
/boot/initramfs-*.img.old-dkms \
/boot/initrd.img-*.old-dkms \
/boot/initrd-*.old-dkms; do
if [ ! -e "${old_dkms_file%%.old-dkms}" ]; then
rm -fv "${old_dkms_file}"
fi
done
fi
# Automatically added by dh_installdeb/11.1.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/bash_completion.d/initramfs-tools 0.126~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/11.1.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/kernel/signed_postinst.d/initramfs-tools 0.126~ -- "$@"
# End automatically added section
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