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add and fix locking
[etc/mailfilter.git] / bin / send-outgoing
1 #!/bin/sh
2 set -eu
3
4 OUTBOX=~/.maildir/.outgoing
5 DEFAULT_RECORD=~/.maildir/.store
6 DISCARD_RECORD=~/.maildir/.discard
7
8 DONT_STORE=1
9
10 ME="${0##*/}"
11 LOCKFILE="$OUTBOX/.$ME.lock"
12 trap "rm -f $LOCKFILE" 1 2 3 4 5 6 7 8 10 11 12 13 14 15
13 if ! lockfile -0 -r0 -l 3600 "$LOCKFILE" 2>/dev/null; then
14   echo "E: another $ME process is already running over that Maildir." >&2
15   exit 1
16 fi
17
18 find $OUTBOX/cur $OUTBOX/new -type f | while read msg; do
19   RECORD="$(sed -rne 's,^X-Record: ,,p' < $msg)"
20   case "$RECORD" in [Dd]iscard|[Nn]o|[Nn]one|[Nn]ull) RECORD=$DISCARD_RECORD;; esac
21   [ ! -d $RECORD/cur ] && RECORD=$DEFAULT_RECORD
22   if sed -e '/^X-Record: /d' $msg | /usr/lib/sendmail -oem -oi -t; then
23     if [ ${DONT_STORE:-0} -eq 1 ]; then
24       rm "$msg"
25     else
26       #TODO this is not okay to deliver to Maildirs, really.
27       mv "$msg" ${RECORD:-$DEFAULT_RECORD}/cur
28     fi
29   fi
30 done
31
32 rm -f "$LOCKFILE"
33 trap - 1 2 3 4 5 6 7 8 10 11 12 13 14 15
34
35 exit 0