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-rwxr-xr-xlocalmb2md77
1 files changed, 58 insertions, 19 deletions
diff --git a/localmb2md b/localmb2md
index 8452b66..fcdbdb3 100755
--- a/localmb2md
+++ b/localmb2md
@@ -1,34 +1,73 @@
#!/bin/sh
+#
+# /usr/local/sbin/adduser.local
+# Copyright 2005-2006 Jonas Smedegaard <dr@jones.dk>
+#
+# $Id: localmb2md,v 1.4 2006-01-18 11:25:34 jonas Exp $
+#
+# Convert user account from mailboxes below /var/mail/ and ~/mail/ to
+# maildirs below ~/Maildir/ .
+#
+# If from a different account, execute it like this:
+#
+# su -s /bin/sh -c localmb2md - <user>
+#
+# FIXME: Make sure no MUAs or pop/imap daemons are running
+# TODO: Add --help (and perhaps --force) options
+#
set -e
-if [ ! -f /usr/bin/mb2md ]; then
- echo 'ERROR: mb2md not installed!'
- exit 1
-fi
+for prg in mb2md procmail mail-lock mail-touchlock mail-unlock; do
+ if [ ! -f "/usr/bin/$prg" ]; then
+ echo "ERROR: $prg not installed!"
+ exit 1
+ fi
+done
-if [ -f ~/.procmailrc ]; then
- echo 'ERROR: ~/.procmailrc exists - must be handled manually...!'
+# Make sure Maildir is used if procmailrc exists already
+if [ -f ~/.procmailrc ] && egrep -v -q '^DEFAULT=\$HOME/Maildir/$' ~/.procmailrc; then
+ echo 'ERROR: non-Maildir-aware ~/.procmailrc exists already.'
+ echo ' Please edit manually to include the following line:'
+ echo
+ echo ' DEFAULT=$HOME/Maildir/'
+ echo
+ echo ' Make sure other rules use Maildirs too, if needed.'
exit 1
fi
-echo 'DEFAULT=$HOME/Maildir/' > ~/.procmailrc
-# Convert secondary mailboxes first
-# (reduces risk of clashing with new incoming mail)
-mv ~/mail ~/mail.abandoned
-mb2md -s mail.abandoned
+# Avoid incoming mail while messing with INBOX
+mail-lock
+mail-touchlock &
+# Save the PID of the mail-touchlock process
+BADGER="$!"
-#FIXME: check spool file lock before reading the spool file
-if [ -f "/var/mail/$USER" ]; then
+# Convert INBOX and purge if not empty
+if [ -s "/var/mail/$USER" ]; then
mb2md -m
echo -n '' > "/var/mail/$USER"
+else
+ # Create Maildir for INBOX if not there already
+ mkdir -p ~/Maildir/cur ~/Maildir/new ~/Maildir/tmp
+ chmod -R u=rw,go=,u+X ~/Maildir
fi
+# Reroute future incoming mail to Maildir
+echo 'DEFAULT=$HOME/Maildir/' > ~/.procmailrc
+
+# Allow incoming mail again
+kill "${BADGER}"
+mail-unlock
-# Grab dovecot subscriptions
-if [ -f ~/mail/.subscriptions ]; then
- mv ~/mail/.subscriptions ~/Maildir/.subscriptions
-# ...or UW-imap ones
-elif [ -f ~/.mailboxlist ]; then
- mv ~/.mailboxlist ~/Maildir/.subscriptions
+# Convert secondary mailboxes
+if [ -d ~/mail ]; then
+ mv ~/mail ~/mail.abandoned
+ mb2md -s mail.abandoned
+ # Grab dovecot subscriptions
+ if [ -f ~/mail/.subscriptions ]; then
+ mv ~/mail/.subscriptions ~/Maildir/.subscriptions
+ # ...or UW-imap ones
+ elif [ -f ~/.mailboxlist ]; then
+ mv ~/.mailboxlist ~/Maildir/.subscriptions
+ fi
fi