changed maint script to be run only for a specific user

src/mailsrv/assets/bin/maint

@@ -1,14 +1,22 @@
 #!/bin/bash
 
+if [[ -z $1 ]]; then
+    echo "Usage: $(basename $0) user"
+    exit 1
+else
+    user=$1
+fi
+
 cd /vol/mail
 
-for user in *; do
 # create an archive mailbox (and throw away error because
 # we don't mind if it already exists)
-    doveadm mailbox create -u $user -s Archive 2> /dev/null
+doveadm mailbox create -u "$user" -s Archive 2> /dev/null
 
 # assume no messages in INBOX are older than this year
 year=2000
+currentyear=$(date +%Y)
+
 while [[ $year -le $currentyear ]]; do
     # create an Archive/$year mailbox
     doveadm mailbox create -u $user -s Archive.$year 2> /dev/null
@@ -30,11 +38,9 @@ for user in *; do
     # delete Archive/$year mailbox if it is empty
     doveadm mailbox delete -u $user -e Archive.$year 2> /dev/null
 
-        # step year variable
+    # increment year variable
     year=$(($year+1))
 done
 
 # delete messages from Trash that have been there for more than 2 weeks
 doveadm expunge -u $user SAVEDBEFORE 2w MAILBOX Trash
-
-done