postinst is in emacs24-lucid 24.5+1-11+deb9u1.
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 | #!/bin/sh
set -e
FLAVOR=emacs24
update-alternatives \
--install /usr/bin/emacs emacs \
/usr/bin/${FLAVOR}-lucid 27 \
--slave /usr/share/man/man1/emacs.1.gz emacs.1.gz \
/usr/share/man/man1/emacs.${FLAVOR}.1.gz \
--slave /usr/share/icons/hicolor/scalable/apps/emacs.svg emacs.svg \
/usr/share/icons/hicolor/scalable/apps/${FLAVOR}.svg \
--slave /usr/share/icons/hicolor/scalable/mimetypes/emacs-document.svg \
emacs-document.svg \
/usr/share/icons/hicolor/scalable/mimetypes/${FLAVOR}-document.svg \
--slave /usr/share/icons/hicolor/16x16/apps/emacs.png emacs-16x16.png \
/usr/share/icons/hicolor/16x16/apps/${FLAVOR}.png \
--slave /usr/share/icons/hicolor/24x24/apps/emacs.png emacs-24x24.png \
/usr/share/icons/hicolor/24x24/apps/${FLAVOR}.png \
--slave /usr/share/icons/hicolor/32x32/apps/emacs.png emacs-32x32.png \
/usr/share/icons/hicolor/32x32/apps/${FLAVOR}.png \
--slave /usr/share/icons/hicolor/48x48/apps/emacs.png emacs-48x48.png \
/usr/share/icons/hicolor/48x48/apps/${FLAVOR}.png \
--slave /usr/share/icons/hicolor/128x128/apps/emacs.png emacs-128x128.png \
/usr/share/icons/hicolor/128x128/apps/${FLAVOR}.png
update-alternatives \
--install /usr/bin/editor editor \
/usr/bin/${FLAVOR} 0 \
--slave /usr/share/man/man1/editor.1.gz editor.1.gz \
/usr/share/man/man1/emacs.${FLAVOR}.1.gz
# emacsen-common registration.
/usr/lib/emacsen-common/emacs-install ${FLAVOR}
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