Provide a default log rotate hook.

* Makefile.am (build.sed): Define LOCALSTATEDIR and DATAROOTDIR.
* beam.conf (openlog_hook): Initialize to beam_logrotate.
* doc/beam.conf.5in: Document openlog_hook and its default.
* lib/beam/common.in (beam_logrotate): New function.

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/beam/common.in b/lib/beam/common.in
index b9df1b0..e5ad7a6 100644
--- a/lib/beam/common.in
+++ b/lib/beam/common.in
@@ -185,3 +185,23 @@ EOF
    cat $report
 ) | $backup_mailer_program
 }
+
+beam_logrotate() {
+  local conf=/tmp/beam-logrotate.conf u
+  if test -z "$backup_logrotate_conf"; then
+    backup_logrotate_conf="weekly
+rotate 4
+"
+  fi
+  u=$(umask)
+  umask 077
+  cat > $conf <<EOF
+$backup_logfile {
+$backup_logrotate_conf
+}
+EOF
+  umask $u
+  test -d @LOCALSTATEDIR@/lib/beam || mkdir @LOCALSTATEDIR@/lib/beam
+  logrotate ${dry_run+-d} --state @LOCALSTATEDIR@/lib/beam/logrotate.state $conf
+  rm $conf
+}