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: / proc / 2173614 / root / var / lib / dpkg / info /
Filename : initramfs-tools.postinst
back
#!/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 [ "$1" != triggered ]; 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 initramfs 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 [ "$1" = configure ] && [ -n "$2" ] && dpkg --compare-versions "$2" lt "0.131ubuntu11"; then
	for old_dkms_file in /boot/initrd-*.img.old-dkms \
			     /boot/initramfs-*.img.old-dkms \
			     /boot/initrd.img-*.old-dkms \
			     /boot/initrd-*.old-dkms; do
		if [ ! -e "${old_dkms_file%%.old-dkms}" ]; then
			rm -fv "${old_dkms_file}"
		fi
	done
fi

# Automatically added by dh_installdeb/13.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/bash_completion.d/initramfs-tools 0.126\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/kernel/signed_postinst.d/initramfs-tools 0.126\~ -- "$@"
# End automatically added section