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  insteadOf = madduck:

do not fail if there is just a single message
[etc/mailfilter.git] / bin / kill-from
1 #!/bin/sh
2 set -eu
3
4 CONFIG_DIR="${0%/*}/../config"
5 IGNORE_FILE="$CONFIG_DIR/ignore"
6 ME="${0##*/}"
7
8 case "$ME" in
9   kill-from)
10     case "${1:-}" in
11       *@*) :;;
12       '') 
13         echo "E: missing email address argument." >&2
14         exit 1
15         ;;
16       *)
17         echo "E: not an email address: $1" >&2
18         exit 2
19         ;;
20     esac
21     CHECKPREFIX='From: someone <'
22     CHECKPOSTFIX='>'
23     REPREFIX='^From:.*\<'
24     REPOSTFIX='\>'
25     ARG="$1"
26     ;;
27   kill-thread)
28     case "${1:-}" in
29       *@*) :;;
30       '') 
31         echo "E: missing message ID argument." >&2
32         exit 1
33         ;;
34       *)
35         echo "E: not a message ID: $1" >&2
36         exit 2
37         ;;
38     esac
39     CHECKPREFIX='References: <something> <'
40     CHECKPOSTFIX='>'
41     REPREFIX='^References:.*\<'
42     REPOSTFIX='\>'
43     ARG="${1#<}"; ARG="${ARG%>}"
44     ;;
45 esac
46
47 if echo "$CHECKPREFIX$1$CHECKPOSTFIX" | egrep -qif $IGNORE_FILE; then
48   echo "I: already ignored: $1" >&2
49   exit 0
50 fi
51
52 ARG_ESCAPED="$(echo "$ARG" | sed -re 's,([.+]),\\\1,g')"
53 cat <<_eof >> $IGNORE_FILE
54 $^# added by $ME @$(date +%s)
55 $REPREFIX$ARG_ESCAPED$REPOSTFIX
56 _eof
57
58 cd $CONFIG_DIR
59 git-commit -m"$ME $1" ${IGNORE_FILE##*/}