1 files changed, 135 insertions, 0 deletions
diff --git a/lib/beam/common.in b/lib/beam/common.in
new file mode 100644
index 0000000..49b41eb
--- /dev/null
+++ b/lib/beam/common.in
@@ -0,0 +1,135 @@
+#! /bin/bash
+# This file is part of BEAM
+# Copyright (C) 2012 Sergey Poznyakoff
+#
+# BEAM is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# BEAM is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BEAM.  If not, see <http://www.gnu.org/licenses/>.
+
+# Force C locale
+LC_ALL=C
+export LC_ALL
+
+prologue_hook=
+epilogue_hook=
+
+# User configuration variables
+backup_tar_options=
+backup_suffix=
+backup_archive_dir=
+backup_snapshot_dir=
+backup_verbose=
+backup_logfile="/var/log/backup"
+
+error() {
+  echo >&2 $0: $*
+}
+
+logit() {
+  echo `date`: $*
+}
+
+abend() {
+  ec=$1
+  shift
+  error $@
+  exit $ec
+}
+
+tarcode() {
+  case $1 in
+  0) echo "`date`: success";;
+  1) echo "`date`: some files changed while being archived";;
+  2) echo "`date`: fatal error occurred, but trying to continue anyway"
+     tarerror=$((tarerror + 1));;
+  *) echo "`date`: unexpected error code $1"
+     tarerror=$((tarerror + 1));
+  esac
+}
+
+load_config() {
+  local delayed_exit  
+  
+  test -z "$BEAM_CONFIG" && BEAM_CONFIG=@SYSCONFDIR@/beam.conf
+  if [ -r $BEAM_CONFIG ]; then
+    . $BEAM_CONFIG
+  else
+    abend 1 "configuration file $BEAM_CONFIG does not exist or is unreadable"
+  fi
+  
+  if [ -z "$backup_items" ]; then
+    abend 1 "backup_items not specified"
+  fi
+
+  delayed_exit=
+  loaded_types=
+  for item in $backup_items
+  do
+    eval type=\$${item}_type
+    if [ -z "$type" ]; then
+      error "${item}_type not set"
+      delayed_exit=1
+      continue
+    fi
+  
+    if echo "$loaded_types" | grep -wq $type; then
+      :
+    elif [ -x $libdir/${type}.sh ]; then
+      . $libdir/${type}.sh || delayed_exit=1
+      loaded_types="$loaded_files
+$type"
+    else
+      error "$libdir/${type}.sh not found"
+      delayed_exit=1 
+    fi
+
+    ${type}_check $item || delayed_exit=1
+  done
+
+  test -n "$delayed_exit" && abend 1 "aborting"
+
+  tar_suffix=${backup_suffix:-.tar}
+
+  if [ -n "$backup_bucket_name" ]; then
+    . @LIBDIR@/beam/s3.sh
+    prologue_hook="$prologue_hook s3_mount"
+  fi
+}
+
+runhook() {
+  local hook_list
+  
+  eval hook_list=\$$1
+  for hook in $hook_list
+  do
+    $hook
+  done
+}
+ 
+print_version() {
+  name=$(basename $0)
+  cat <<EOF
+$name (@PACKAGE_NAME@) @PACKAGE_VERSION@
+Copyright (C) 2012 Sergey Poznyakoff
+License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
+This is free software: you are free to change and redistribute it.
+There is NO WARRANTY, to the extent permitted by law.
+EOF
+  exit 0
+}
+
+wtf() {
+  l=`echo "${1#beam-}"|sed "s|.|.|g"`
+  s=$(echo "                " | sed "s|$l|${1#beam-}|")
+  shift
+  echo "    $s $@"
+}