#!/bin/sh

set -e

# Manual dir_to_symlink conversion since dpkg-maintscript-helper does not
# handle this in combination with arch:all to arch:any switches (#813455).
# Keep this code for buster and bullseye to ease backports.
if [ "$1" = "configure" ] && dpkg --compare-versions "$2" lt-nl "1:26.1+1-3.1~"
then
	test -n 'emacs-lucid'
	if [ -d /usr/share/doc/emacs-lucid ] && [ ! -h /usr/share/doc/emacs-lucid ]
	then
		# This will intentionally fail if the directory is not empty.
		rmdir /usr/share/doc/emacs-lucid
		ln -sv emacs-common /usr/share/doc/emacs-lucid
	fi
fi

update-alternatives \
  --install /usr/bin/emacs emacs \
            /usr/bin/emacs-lucid 28 \
  --slave /usr/share/man/man1/emacs.1.gz emacs.1.gz \
          /usr/share/man/man1/emacs.emacs.1.gz \

update-alternatives \
  --install /usr/bin/editor editor \
            /usr/bin/emacs 0 \
  --slave /usr/share/man/man1/editor.1.gz editor.1.gz \
          /usr/share/man/man1/emacs.emacs.1.gz

for alt in emacsclient
do
    update-alternatives \
        --install "/usr/bin/$alt" "$alt" "/usr/bin/$alt.emacs" 28 \
        --slave "/usr/share/man/man1/$alt.1.gz" "$alt.1.gz" \
        "/usr/share/man/man1/$alt.emacs.1.gz"
done

# emacsen-common registration.
/usr/lib/emacsen-common/emacs-install emacs