postinst is in nmh 1.6-8build1.
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 | #!/bin/sh
# offer mhmail as alternative for the mail/mailx/Mail commands
set -e
if [ "$1" = "configure" ] && ! update-alternatives --display mailx |grep -q mhmail; then
mhm=/usr/bin/mh/mhmail
bindir=/usr/bin
mandir=/usr/share/man/man1
update-alternatives --install $bindir/mailx mailx $mhm 25 \
--slave $bindir/mail mail $mhm \
--slave $bindir/Mail Mail $mhm \
--slave $mandir/mailx.1.gz mailx.1.gz $mandir/mhmail.1.gz \
--slave $mandir/mail.1.gz mail.1.gz $mandir/mhmail.1.gz \
--slave $mandir/Mail.1.gz Mail.1.gz $mandir/mhmail.1.gz
fi
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