$ENV{HOME} not correct when run uses setuidgid

[David Sparks]

When running qpsmtpd under `setuidgid` (from daemontools) it doesn't
reset ENV{HOME} so it tries to write to /root/tmp.

    root # setuidgid smtpd echo $HOME
    /root

I'm not a daemontools expert, is this expected?  This is my run file and
the change I needed to make it work:

dave $ cat run
#!/bin/sh
exec /usr/bin/setuidgid smtpd /home/smtpd/smtpd/qpsmtpd -u smtpd -c 64
-m 128 2>&1

--- lib/Qpsmtpd/Utils.pm.orig     2005-06-06 18:27:03.055895116 -0700
+++ lib/Qpsmtpd/Utils.pm        2005-05-31 03:24:47.000000000 -0700
@@ -6,7 +6,7 @@
     $path =~ s{^~([^/]*)} {
          $1
              ? (getpwnam($1))[7]
-             : ( $ENV{HOME} || $ENV{LOGDIR} || (getpwuid($>))[7])
+             : (getpwuid($>))[7]
          }ex;
     return $path;
 }



What is the correct way of doing this?

Thanks,

ds