postinst is in jed-common 1:0.99.19-2.1.
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 | #!/bin/sh
set -e
. /usr/share/debconf/confmodule
case "$1" in
  configure)
	TEMP=$(tempfile)
	printf "Running /usr/share/jed/compile/jed-common..."
	if ! /usr/share/jed/compile/jed-common install >$TEMP 2>&1; then
		echo "failed (see $TEMP)"
                exit 1
	fi
	echo "done"
	rm $TEMP
	;;
  abort-upgrade|abort-remove|abort-deconfigure)
  	;;
  *)
	echo "unknown argument --> \"$1"\" >&2
	exit 0
	;;
esac
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