Hi, I've created a patch which moves the update-alternatives commands to the correct scripts and which also implements the strategy mentiones in message 5 of bug #694051. Applying it to the source directory should solve all problems related to these two bugs.
Cheers, Frederik
diff -urN less-481.old/debian/less.postinst less-481/debian/less.postinst --- less-481.old/debian/less.postinst 2016-01-11 13:08:57.000000000 +0100 +++ less-481/debian/less.postinst 2016-01-26 12:04:54.124486691 +0100 @@ -1,12 +1,66 @@ -#!/bin/sh +#! /bin/sh +# postinst script for less +# +# see: dh_installdeb(1) + set -e -if [ "$1" = 'configure' ]; then - for file in lessfile lesspipe lesskey lessecho less; do - if [ ! -e /usr/bin/$file ]; then - ln -s /bin/$file /usr/bin/$file - fi - done -fi +# summary of how this script can be called: +# * <postinst> `configure' <most-recently-configured-version> +# * <old-postinst> `abort-upgrade' <new version> +# * <conflictor's-postinst> `abort-remove' `in-favour' <package> +# <new-version> +# * <deconfigured's-postinst> `abort-deconfigure' `in-favour' +# <failed-install-package> <version> `removing' +# <conflicting-package> <version> +# for details, see /usr/doc/packaging-manual/ +# +# quoting from the policy: +# Any necessary prompting should almost always be confined to the +# post-installation script, and should be protected with a conditional +# so that unnecessary prompting doesn't happen if a package's +# installation fails and the `postinst' is called with `abort-upgrade', +# `abort-remove' or `abort-deconfigure'. + +case "$1" in + configure) + update-alternatives --quiet --install /usr/bin/pager pager \ + /bin/less 77 --slave /usr/share/man/man1/pager.1.gz \ + pager.1.gz /usr/share/man/man1/less.1.gz + + # This change needs to get into one stable release. + # See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=694051 + update-alternatives --quiet --remove pager /usr/bin/less + + # Purge the debconf database we no longer need. + if [ -e /usr/share/debconf/confmodule ]; then + . /usr/share/debconf/confmodule + db_version 2.0 + db_purge + fi + + # install links in /bin + for file in lessfile lesspipe lesskey lessecho less; do + if [ ! -e /usr/bin/$file ]; then + ln -s /bin/$file /usr/bin/$file + fi + done + + ;; + + abort-upgrade|abort-remove|abort-deconfigure) + + ;; + + *) + echo "postinst called with unknown argument \`$1'" >&2 + exit 0 + ;; +esac + +# dh_installdeb will replace this with shell code automatically +# generated by other debhelper scripts. #DEBHELPER# + +exit 0 diff -urN less-481.old/debian/less.postrm less-481/debian/less.postrm --- less-481.old/debian/less.postrm 2016-01-11 13:08:57.000000000 +0100 +++ less-481/debian/less.postrm 2016-01-26 12:06:27.928916149 +0100 @@ -9,4 +9,9 @@ done fi +if [ "$1" = 'remove' -o "$1" = 'disappear' ] +then + update-alternatives --quiet --remove pager /bin/less +fi + #DEBHELPER# diff -urN less-481.old/debian/less.prerm less-481/debian/less.prerm --- less-481.old/debian/less.prerm 1970-01-01 01:00:00.000000000 +0100 +++ less-481/debian/less.prerm 2016-01-26 12:01:23.683327144 +0100 @@ -0,0 +1,37 @@ +#! /bin/sh +# prerm script for less +# +# see: dh_installdeb(1) + +set -e + +# summary of how this script can be called: +# * <prerm> `remove' +# * <old-prerm> `upgrade' <new-version> +# * <new-prerm> `failed-upgrade' <old-version> +# * <conflictor's-prerm> `remove' `in-favour' <package> <new-version> +# * <deconfigured's-prerm> `deconfigure' `in-favour' +# <package-being-installed> <version> `removing' +# <conflicting-package> <version> +# for details, see /usr/doc/packaging-manual/ + +case "$1" in + remove) + update-alternatives --quiet --remove pager /bin/less + ;; + upgrade|failed-upgrade|deconfigure) + ;; + *) + echo "prerm called with unknown argument \`$1'" >&2 + exit 0 + ;; +esac + +# dh_installdeb will replace this with shell code automatically +# generated by other debhelper scripts. + +#DEBHELPER# + +exit 0 + + diff -urN less-481.old/debian/postinst less-481/debian/postinst --- less-481.old/debian/postinst 2014-09-08 06:08:25.000000000 +0200 +++ less-481/debian/postinst 1970-01-01 01:00:00.000000000 +0100 @@ -1,59 +0,0 @@ -#! /bin/sh -# postinst script for less -# -# see: dh_installdeb(1) - -set -e - -# summary of how this script can be called: -# * <postinst> `configure' <most-recently-configured-version> -# * <old-postinst> `abort-upgrade' <new version> -# * <conflictor's-postinst> `abort-remove' `in-favour' <package> -# <new-version> -# * <deconfigured's-postinst> `abort-deconfigure' `in-favour' -# <failed-install-package> <version> `removing' -# <conflicting-package> <version> -# for details, see /usr/doc/packaging-manual/ -# -# quoting from the policy: -# Any necessary prompting should almost always be confined to the -# post-installation script, and should be protected with a conditional -# so that unnecessary prompting doesn't happen if a package's -# installation fails and the `postinst' is called with `abort-upgrade', -# `abort-remove' or `abort-deconfigure'. - -case "$1" in - configure) - update-alternatives --quiet --install /usr/bin/pager pager \ - /bin/less 77 --slave /usr/share/man/man1/pager.1.gz \ - pager.1.gz /usr/share/man/man1/less.1.gz - - # This change needs to get into one stable release. - # See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=694051 - update-alternatives --quiet --remove pager /usr/bin/less - - # Purge the debconf database we no longer need. - if [ -e /usr/share/debconf/confmodule ]; then - . /usr/share/debconf/confmodule - db_version 2.0 - db_purge - fi - - ;; - - abort-upgrade|abort-remove|abort-deconfigure) - - ;; - - *) - echo "postinst called with unknown argument \`$1'" >&2 - exit 0 - ;; -esac - -# dh_installdeb will replace this with shell code automatically -# generated by other debhelper scripts. - -#DEBHELPER# - -exit 0 diff -urN less-481.old/debian/prerm less-481/debian/prerm --- less-481.old/debian/prerm 2009-04-19 08:52:05.000000000 +0200 +++ less-481/debian/prerm 1970-01-01 01:00:00.000000000 +0100 @@ -1,37 +0,0 @@ -#! /bin/sh -# prerm script for less -# -# see: dh_installdeb(1) - -set -e - -# summary of how this script can be called: -# * <prerm> `remove' -# * <old-prerm> `upgrade' <new-version> -# * <new-prerm> `failed-upgrade' <old-version> -# * <conflictor's-prerm> `remove' `in-favour' <package> <new-version> -# * <deconfigured's-prerm> `deconfigure' `in-favour' -# <package-being-installed> <version> `removing' -# <conflicting-package> <version> -# for details, see /usr/doc/packaging-manual/ - -case "$1" in - remove) - update-alternatives --quiet --remove pager /bin/less - ;; - upgrade|failed-upgrade|deconfigure) - ;; - *) - echo "prerm called with unknown argument \`$1'" >&2 - exit 0 - ;; -esac - -# dh_installdeb will replace this with shell code automatically -# generated by other debhelper scripts. - -#DEBHELPER# - -exit 0 - -
