1999-01-09 16:06:59 +01:00
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#!/bin/sh
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set -e
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case "$1" in
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upgrade|install)
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# Try to gracefully handle upgrades from a pre-0.3.3 version
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if [ ! -z $2 ]; then
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set +e
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dpkg --compare-versions $2 \<= 0.3.2-1
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result=$?
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set -e
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if [ $result = 0 ]; then
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cat <<EOF
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Due to a bug in the way secret keys were encrypted in versions prior
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to 0.3.3, this version of gnupg is not backwards compatible with $2
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which you have (had) installed on your system.
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There is an upgrade strategy (see /usr/doc/gnupg/NEWS.gz after this
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version is installed), but it requires an old copy of the gpg and gpgm
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EOF
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echo -n "binaries; shall I make copies of them for you (Y/n)? "
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read answer
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if [ ! "$answer" = "n" -a ! "$answer" = "N" ]; then
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cp /usr/bin/gpg /usr/bin/gpg.old
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cp /usr/bin/gpgm /usr/bin/gpgm.old
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echo "Okay, done. The old versions are /usr/bin/gpg*.old"
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else
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echo "Okay, I haven't made backups."
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fi;
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cat <<EOF
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If at any stage you need a pre-0.3.3 gnupg, you can find source and
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binaries for i386, m68k, alpha, powerpc and hurd-i386 at
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2002-06-29 15:31:13 +02:00
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http://people.debian.org/~troup/gnupg/
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1999-01-09 16:06:59 +01:00
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Press return to continue
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EOF
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read foo
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fi;
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fi;
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;;
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abort-upgrade)
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;;
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esac
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