* fix update spamassassin to cd back to the original directory, which
[spamassassin_config.git] / update_spamassassin
1 #!/bin/sh
2
3 # This command updates the spamassassin configuration; tests the new
4 # configuration; then moves the updated configuration in place
5
6 set -e
7
8 SVN=$(which svn)
9
10 TMPDIR=$(mktemp -d);
11
12 if [ "$HOSTNAME" = "rietz" ]; then
13     BASEDIR="/org/bugs.debian.org"
14     USERCONF="bugs/user_prefs";
15 elif [ "$HOSTNAME" = "liszt" ]; then
16     BASEDIR="/var/list/.etc";
17     USERCONF="lists/user_prefs";
18 else
19     echo "Unknown hostname '$HOSTNAME'";
20     exit 1;
21 fi;
22
23 SACONFIG="$BASEDIR/spamassassin_config";
24 BAKDIR="$BASEDIR/spamassassin_config_bak";
25
26 # figure out if there's an update to be made
27 ORIGREV=$(svn info $SACONFIG |awk '/^Revision:/{print $2}')
28 NEWREV=$(svn info $(svn info $SACONFIG|awk '/^URL:/{print $2}')|awk '/^Revision:/{print $2}')
29
30 # no changes, bug out.
31 if [ "0$ORIGREV" -ge "0$NEWREV" ]; then
32     exit 0;
33 fi;
34
35 if [ -e "$SACONFIG/.update_spamassassin" ] && kill -0 $(cat "$SACONFIG/.update_spamassassin") >/dev/null 2>&1; then
36     echo "Another update_spamassassin appears to be running"
37     exit 1;
38 else
39     echo $$ > "$SACONFIG/.update_spamassassin";
40 fi;
41
42 function remove_pidfile(){
43     rm "$SACONFIG/.update_spamassassin";
44 }
45
46 trap remove_pidfile ERR;
47
48 FAILUREMESSAGE="";
49 function report_failure(){
50     # Hrm; a previous update failed; don't report again until the file
51     # is removed or it's more than a day old
52     if [ -e "$SACONFIG/failed_update" ] &&
53         [ $(($(date +%s) - $(stat -c '%Y' "$SACONFIG/failed_update"))) -lt 86400 ];  then
54         rm -rf "$TMPDIR"
55         exit 0;
56     fi;
57     echo "$FAILUREMESSAGE" > "$SACONFIG/failed_update"
58     echo "$FAILUREMESSAGE";
59     cat - <<EOF;
60
61 update_spamassassin will only report this error once a day, and
62 updates will not occur until this is fixed.
63
64 Please fix the problem and then remove
65 $SACONFIG/failed_update
66 EOF
67     rm -rf "$TMPDIR"
68     exit 1;
69 }
70
71 cp -ar $SACONFIG $TMPDIR/.
72 OLDDIR="$(pwd)"
73 cd $TMPDIR/spamassassin_config;
74 svn update -q --non-interactive; 
75 if svn status |grep -q '^C'; then
76     FAILUREMESSAGE=$'The following conflicts were found\n\n'
77     FAILUREMESSAGE="$FAILUREMESSAGE$(svn status|grep ^C)";
78     report_failure
79 fi;
80 cd "$(pwd)"
81
82 if ! spamassassin -p $TMPDIR/spamassassin_config/$USERCONF --lint > $TMPDIR/sa_lint 2>&1; then
83     FAILUREMESSAGE="$(echo -e 'spamassassin -p $TMPDIR/spamassassin_config/$USERCONF --lint\nfailed with\n'| cat - $TMPDIR/sa_lint)";
84     report_failure
85 fi;
86 mv "$SACONFIG" "$BAKDIR/spamassassin_config_r$ORIGREV"
87 mv "$TMPDIR/spamassassin_config" "$SACONFIG"
88 trap - ERR
89 remove_pidfile
90 rm -rf "$TMPDIR"
91
92 if [ "$HOSTNAME" == "rietz" ]; then
93     touch /home/debbugs/.spamassassin/user_prefs
94 elif [ "$HOSTNAME" == "liszt" ]; then
95     # do nothing
96     true;
97 else
98     echo "Unknown hostname '$HOSTNAME'";
99     exit 1;
100 fi;
101
102
103 exit 0;