+++ /dev/null
-#! /bin/sh
-# This program is part of GNU tar
-# Copyright 2004, Free Software Foundation
-#
-# This program 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 1, or (at your option)
-# any later version.
-#
-# This program 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 this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
-
-PROGNAME=`basename $0`
-CONFIGPATH="$SYSCONFDIR/backup"
-REMOTEBACKUPDIR="$SYSCONFDIR/tar-backup"
-CONFIGFILE=${CONFIGPATH}/backup-specs
-DIRLIST=${CONFIGPATH}/dirs
-FILELIST=${CONFIGPATH}/files
-LOGPATH=${CONFIGPATH}/log
-LIBPATH=/usr/libexec/backup
-
-# Default functions for running various magnetic tape commands
-mt_begin() {
- mt -f "$1" retension
-}
-
-mt_rewind() {
- mt -f "$1" rewind
-}
-
-mt_offline() {
- mt -f "$1" offl
-}
-
-mt_status() {
- mt -f "$1" status
-}
-
-# The main configuration file may override any of these variables
-MT_BEGIN=mt_begin
-MT_REWIND=mt_rewind
-MT_OFFLINE=mt_offl
-MT_STATUS=mt_status
-
-# Insure `mail' is in PATH.
-PATH="/usr/ucb:${PATH}"
-export PATH
-# Put startdate in the subject line of mailed report, since if it happens
-# to run longer than 24 hours (as may be the case if someone forgets to put
-# in the next volume of the tape in adequate time), the backup date won't
-# appear too misleading.
-startdate="`date`"
-here="`pwd`"
-# Save local hostname
-localhost="`hostname | sed -e 's/\..*//' | tr A-Z a-z`"
-
-# Produce a diagnostic output
-message() {
- if [ "$VERBOSE" != "" ]; then
- if [ $VERBOSE -ge $1 ]; then
- shift
- echo "$@"
- fi
- fi
-}
-
-# Bail out and exit.
-bailout() {
- echo "$PROGNAME: $*" >&2
- exit 1
-}
-
-# Bail out if we don't have root privileges.
-test_root() {
- if [ ! -w / ]; then
- bailout "The backup must be run as root or else some files will fail to be dumped."
- fi
-}
-
-advice() {
- echo "Directory $1 is not found." >&2
- cat >&2 <<EOF
-The following directories and files are needed for the backup to function:
-
-1. Directory with configuration files and file lists:
-$CONFIGPATH
-2. Directory for backup log files
-$LOGPATH
-3. Main configuration file
-$CONFIGFILE
-
-Please, create these and invoke the script again.
-EOF
-}
-
-init_backup() {
- # Check if the necessary directories exist
- if [ ! -d $CONFIGPATH ]; then
- advice $CONFIGPATH
- exit 1
- fi
- if [ ! -d $LOGPATH ]; then
- if mkdir $LOGPATH; then
- :
- else
- advice $LOGPATH
- exit 1
- fi
- fi
- # Get the values of BACKUP_DIRS, BACKUP_FILES, and other variables.
- if [ ! -r $CONFIGFILE ]; then
- echo "$PROGNAME: cannot read $CONFIGFILE. Stop." >&2
- exit 1
- fi
- . $CONFIGFILE
-
- # Environment sanity check
-
- test_root
-
- if [ x"${ADMINISTRATOR}" = x ]; then
- bailout "ADMINISTRATOR not defined"
- fi
-
- [ x"$TAR" = x ] && TAR=tar
- [ x"$SLEEP_TIME" = x ] && SLEEP_TIME=60
-
- if [ x$VOLNO_FILE = x ]; then
- bailout "VOLNO_FILE not specified"
- fi
-
- if [ -r $DIRLIST ]; then
- BACKUP_DIRS="$BACKUP_DIRS `cat $DIRLIST`"
- fi
- if [ -r $FILELIST ]; then
- BACKUP_FILES="$BACKUP_FILES `cat $FILELIST`"
- fi
-
- if [ \( x"$BACKUP_DIRS" = x \) -a \( x"$BACKUP_FILES" = x \) ]; then
- bailout "Neither BACKUP_DIRS nor BACKUP_FILES specified"
- fi
-
- TAR_PART1="${TAR} -c --format=gnu --multi-volume --one-file-system --sparse --volno-file=${VOLNO_FILE}"
- if [ "x$XLIST" != x ]; then
- TAR_PART1="${TAR_PART1} \`test -r $REMOTEBACKUPDIR/$XLIST && echo \"--exclude-from $REMOTEBACKUPDIR/$XLIST\"\`"
- fi
- if [ "$RSH_COMMAND" != "" ]; then
- TAR_PART1="${TAR_PART1} --rsh-command=$RSH_COMMAND"
- fi
- if [ "$RSH" = "" ]; then
- RSH=rsh
- fi
- if [ x$BLOCKING != x ]; then
- TAR_PART1="${TAR_PART1} --blocking=${BLOCKING}"
- fi
-
- # Only use --info-script if DUMP_REMIND_SCRIPT was defined in backup-specs
- if [ "x${DUMP_REMIND_SCRIPT}" != "x" ]; then
- TAR_PART1="${TAR_PART1} --info-script='${DUMP_REMIND_SCRIPT}'"
- fi
- # Set logfile name
- # Logfile name should be in the form ``log-1993-03-18-level-0''
- # They go in the directory `@sysconfdir@/log'.
- # i.e. year-month-date. This format is useful for sorting by name, since
- # logfiles are intentionally kept online for future reference.
- LOGFILE="${LOGPATH}/log-`now`-level-${DUMP_LEVEL}"
- POSIXLY_CORRECT=1
- export POSIXLY_CORRECT
-}
-
-wait_time() {
- if [ "${1}" != "now" ]; then
- if [ "${1}x" != "x" ]; then
- spec="${1}"
- else
- spec="${BACKUP_HOUR}"
- fi
-
- pausetime="`date | awk -v spec=\"${spec}\" '
- BEGIN {
- split(spec, time, ":")
- }
- {
- split($4, now, ":")
- diff = 3600 * (time[1] - now[1]) + 60 * (time[2] - now[2]);
- if (diff < 0)
- diff += 3600 * 24
- print diff
- }'`"
- clear
- echo "${SLEEP_MESSAGE}"
- sleep "${pausetime}"
- fi
-}
-
-level_log_name() {
- echo "$REMOTEBACKUPDIR/${1}.level-${2-$DUMP_LEVEL}"
-}
-
-# Prepare a temporary level logfile
-# usage: make_level_log HOSTNAME
-make_level_log() {
- if [ "z${localhost}" != "z$1" ] ; then
- $RSH "$1" mkdir $REMOTEBACKUPDIR > /dev/null 2>&1
- $RSH "$1" rm -f `level_log_name temp`
- else
- mkdir $REMOTEBACKUPDIR > /dev/null 2>&1
- rm -f `level_log_name temp`
- fi
-}
-
-# Rename temporary log
-# usage: flush_level_log HOSTNAME FSNAME
-flush_level_log() {
- message 10 "RENAME: `level_log_name temp` --> `level_log_name $2`"
- if [ "z${localhost}" != "z$1" ] ; then
- $RSH "$1" mv -f `level_log_name temp` "`level_log_name $2`"
- else
- mv -f `level_log_name temp` "`level_log_name $2`"
- fi
-}
-
-# Do actual backup on a host
-# usage: backup_host HOSTNAME [TAR_ARGUMENTS]
-backup_host() {
- message 10 "ARGS: $@"
- rhost=$1
- shift
- if [ "z${localhost}" != "z$rhost" ] ; then
- $RSH "$rhost" ${TAR_PART1} -f "${localhost}:${TAPE_FILE}" $@
- else
- # Using `sh -c exec' causes nested quoting and shell substitution
- # to be handled here in the same way rsh handles it.
- CMD="exec ${TAR_PART1} -f \"${TAPE_FILE}\" $@"
- message 10 "CMD: $CMD"
- sh -c "$CMD"
- message 10 "RC: $?"
- fi
-}
-
-print_level() {
- if [ ${1-$DUMP_LEVEL} -eq 0 ]; then
- echo "Full"
- else
- echo "Level ${1-$DUMP_LEVEL}"
- fi
-}
-
-prev_level() {
- print_level `expr $DUMP_LEVEL - 1` | tr A-Z a-z
-}
-
-remote_run() {
- rhost=$1
- shift
- message 10 "REMOTE $1: $@"
- if [ "x$rhost" != "x${localhost}" ] ; then
- $RSH "${rhost}" "$@"
- else
- $*
- fi
-}
-
-license() {
- cat - <<EOF
- This program is part of GNU tar
- Copyright 2004, Free Software Foundation
-
- This program 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 1, or (at your option)
- any later version.
-
- This program 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 this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
-EOF
-}
projects / chaz / tar / commitdiff
