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-rw-r--r--debian/postfix.preinst75
1 files changed, 75 insertions, 0 deletions
diff --git a/debian/postfix.preinst b/debian/postfix.preinst
new file mode 100644
index 0000000..cd84edb
--- /dev/null
+++ b/debian/postfix.preinst
@@ -0,0 +1,75 @@
+#!/bin/sh
+
+set -e
+
+# Debian Postfix preinst
+# LaMont Jones <lamont@debian.org>
+# Modified to use debconf by Colin Walters <levanti@verbum.org>
+
+# do we have debconf?
+if [ -f /usr/share/debconf/confmodule ]; then
+ . /usr/share/debconf/confmodule
+ DEBCONF=true
+else
+ DEBCONF=
+fi
+
+(umask 022; mkdir -p /var/spool/postfix)
+
+case "$1" in
+ install)
+ rm -f /var/spool/postfix/restart /var/spool/postfix/reload
+
+ if [ -L /etc/postfix/postfix-script ]; then
+ rm -f /etc/postfix/postfix-script
+ fi
+
+ ;;
+
+ upgrade)
+ if [ -d /var/spool/postfix ] && [ -f /etc/postfix/main.cf ]; then
+ touch /var/spool/postfix/restart
+ fi
+ export LANG=C # for the comparison of mail version...
+
+ if [ -L /etc/postfix/postfix-script ]; then
+ rm -f /etc/postfix/postfix-script
+ fi
+
+ # If user has not modified master/main.proto, move aside so new version
+ # is installed (#991513)
+ cmp -s /usr/share/postfix/main.cf.dist /etc/postfix/main.cf.proto && \
+ mv /etc/postfix/main.cf.proto /etc/postfix/main.cf.proto.old \
+ || echo "/etc/postfix/main.cf.proto modified, not updating."
+ cmp -s /usr/share/postfix/master.cf.dist /etc/postfix/master.cf.proto && \
+ mv /etc/postfix/master.cf.proto /etc/postfix/master.cf.proto.old \
+ || echo "/etc/postfix/master.cf.proto modified, not updating."
+
+ ;;
+
+ abort-upgrade)
+ if [ -f /etc/postfix/main.cf.proto.old ]; then
+ mv /etc/postfix/main.cf.proto.old /etc/postfix/main.cf.proto
+ echo "Restoring old /etc/postfix/main.cf.proto on failed upgrade."
+ fi
+ if [ -f /etc/postfix/master.cf.proto.old ]; then
+ mv /etc/postfix/master.cf.proto.old /etc/postfix/master.cf.proto
+ echo "Restoring old /etc/postfix/master.cf.proto on failed upgrade."
+ fi
+ ;;
+
+ *)
+ echo "preinst called with unknown argument \`$1'" >&2
+ exit 1
+ ;;
+esac
+
+if [ install = "$1" ] || [ upgrade = "$1" ]; then
+ # cleanup after past mistakes.
+ rm -f /usr/sbin/postconf.postfix
+ dpkg-divert --package postfix-tls --remove \
+ --divert /usr/sbin/postconf.postfix \
+ /usr/sbin/postconf >/dev/null 2>/dev/null
+fi
+
+#DEBHELPER#