1 files changed, 76 insertions, 0 deletions
diff --git a/source/n/postfix/doinst.sh b/source/n/postfix/doinst.sh
new file mode 100644
index 000000000..e67f7ea15
--- /dev/null
+++ b/source/n/postfix/doinst.sh
@@ -0,0 +1,76 @@
+config() {
+  NEW="$1"
+  OLD="$(dirname $NEW)/$(basename $NEW .new)"
+  # If there's no config file by that name, mv it over:
+  if [ ! -r $OLD ]; then
+    mv $NEW $OLD
+  elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then
+    # toss the redundant copy
+    rm $NEW
+  fi
+  # Otherwise, we leave the .new copy for the admin to consider...
+}
+
+preserve_perms() {
+  NEW="$1"
+  OLD="$(dirname $NEW)/$(basename $NEW .new)"
+  if [ -e $OLD ]; then
+    cp -a $OLD ${NEW}.incoming
+    cat $NEW > ${NEW}.incoming
+    mv ${NEW}.incoming $NEW
+  fi
+  config $NEW
+}
+
+# Make sure that the postfix user (UID 91, GID 91), and the
+# postdrop group (GID 92) exist on this system:
+if ! grep -q "^postfix:" etc/passwd ; then
+  echo "postfix:x:91:91:User for Postfix MTA:/dev/null:/bin/false" >> etc/passwd
+fi
+if ! grep -q "^postfix:" etc/group ; then
+  echo "postfix:x:91:" >> etc/group
+fi
+if ! grep -q "^postdrop:" etc/group ; then
+  echo "postdrop:x:92:" >> etc/group
+fi
+
+find etc/postfix -type f -name '*.new' | while read new ; do
+  config $new
+done
+preserve_perms etc/rc.d/rc.postfix.new
+config etc/aliases.new
+
+# Don't keep aliases.new. If it exists, the user already defined aliases.
+rm -f etc/aliases.new
+
+# No reason to keep these: upgrade-configuration will take care of merging
+# changes needed to the existing files
+rm -f etc/postfix/main.cf.new etc/postfix/master.cf.new
+
+# This is for backward compatibility with the old Sendmail package; some
+# software might still expect to find the /usr/lib/sendmail link.
+if [ ! -d usr/lib ]; then
+mkdir -p usr/lib
+( cd usr/lib ; rm -f sendmail )
+( cd usr/lib ; ln -s /usr/sbin/sendmail sendmail)
+fi
+
+## COMMENTED OUT
+## (The Slackware package should ship with correct permissions)
+##
+## This will set the permissions on all postfix files correctly
+#if [ -x usr/sbin/postfix ]; then
+#  chroot . /usr/sbin/postfix set-permissions
+#fi
+
+# The upgrade-configuration command will add any necessary new settings to
+# existing config files (/etc/postfix/{main,master}.cf).  It won't hurt
+# anything on a new install.
+if [ -x usr/sbin/postfix ]; then
+  chroot . /usr/sbin/postfix upgrade-configuration
+fi
+
+# Process /etc/aliases into a database:
+if [ -x usr/bin/newaliases ]; then
+  chroot . /usr/bin/newaliases
+fi