postinst is in aide-common 0.15.1-5.
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 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | #!/bin/sh
#
# post-installation script for AIDE
# A whole lot of this is "borrowed" from tripwire's postinst
#
set -e
# We need debconf.
. /usr/share/debconf/confmodule
if [ -n "$AIDEDEBUG" ]; then
  echo "now debugging $0 $@"
  set -x
fi
PKGNAME="aide"
# Flags to be passed to aideinit
aideinitflags="-b"
# Make sure we should be running...
case "$1" in
    configure)
        # continue below
        ;;
    abort-upgrade|abort-remove|abort-deconfigure)
        exit 0
        ;;
    *)
        echo "postinst called with unknown argument "$1 >&2
        exit 0
        ;;
esac
SRCDIR="/usr/share/$PKGNAME/config"
TRGDIR="/etc"
UCF="ucf --debconf-ok --three-way"
UCFR="ucfr"
(cd "$SRCDIR" && find -type d -print0 ) | \
  (cd "$TRGDIR"&& xargs -0 mkdir -p --)
for file in $(find $SRCDIR -type f -printf '%P\n' ); do
  OLDSUM=""
  if [ -f "$TRGDIR/$file" ]; then
    OLDSUM="$(md5sum "$TRGDIR/$file")"
  fi
  $UCF "$SRCDIR/$file" "$TRGDIR/$file"
  $UCFR "$PKGNAME" "$TRGDIR/$file"
  if cmp --quiet "$SRCDIR/$file" "$TRGDIR/$file" && \
    [ "$OLDSUM" != "$(md5sum "$TRGDIR/$file")" ]; then
    # "$TRGDIR/$file" has changed while ucf was running and it changed
    # to the file that was shipped with the package. We (hopefully safely)
    # assume that this means that the user decided to accept the new
    # version, and we're now copying over the file mode as well.
    # This is a workaround for ucf issue #406476.
    chmod --reference="$SRCDIR/$file" "$TRGDIR/$file"
  fi
done
(umask 077 && mkdir -p /var/run/aide)
db_get aide/newlibdir
if [ "$RET" = "true" ]; then
	if [ -d /var/lib/aide ]; then
		echo "It appears that /usr/lib/aide and /var/lib/aide both exist."
		echo "You'll have to fix this one yourself."
	else 
		echo "Moving /usr/lib/aide to /var/lib..."
		mv /usr/lib/aide /var/lib/aide
	fi
	db_set aide/newlibdir false
fi
if ! [ -x "/usr/bin/aide" ]; then
  echo >&2 "no /usr/bin/aide found, check your dependencies"
  exit 1
fi
db_get aide/aideinit
if [ "$RET" = "true" ]; then
	if [ -f "/var/lib/aide/aide.db.new" ]; then
		db_get aideinit/overwritenew
		if [ "$RET" = "true" ]; then
			aideinitflags="$aideinitflags -y"
		fi
	fi
	db_get aideinit/copynew
	if [ "$RET" = "true" ]; then
		aideinitflags="$aideinitflags -f"
	fi
	# generate configuration
	update-aide.conf
	# borrowed this trick from man-db
	# just making sure it actually ends up in the background...
	start-stop-daemon --start --background --pidfile /dev/null \
	--startas /usr/sbin/aideinit -- $aideinitflags
	db_set aide/aideinit false
fi
exit 0
 |