X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=scripts%2Fbackup.sh.in;h=e0d1c68162a97a7c555b4fd7bde4336780348864;hb=5cb79ed51999e36add131116d3d3db586be9870e;hp=e78c3268d73f43b1ecafdb0a3456975978337c34;hpb=22fae29fb760d9ad758848748869882f9cb2f8a0;p=chaz%2Ftar

diff --git a/scripts/backup.sh.in b/scripts/backup.sh.in
index e78c326..e0d1c68 100644
--- a/scripts/backup.sh.in
+++ b/scripts/backup.sh.in
@@ -1,21 +1,22 @@
 #! /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
+# Make backups.
+
+# Copyright 2004-2006, 2013 Free Software Foundation, Inc.
+
+# This file is part of GNU tar.
+
+# GNU tar 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,
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# GNU tar 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.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 PROGNAME=`basename $0`
 CONFIGPATH="$SYSCONFDIR/backup"
@@ -27,28 +28,28 @@ LOGPATH=${CONFIGPATH}/log
 
 # Default functions for running various magnetic tape commands
 mt_begin() {
-    mt -f "$1" retension
+    $MT -f "$1" retension
 }
 
 mt_rewind() {
-    mt -f "$1" rewind
+    $MT -f "$1" rewind
 }
 
 mt_offline() {
-    mt -f "$1" offl
+    $MT -f "$1" offl
 }
 
 mt_status() {
-    mt -f "$1" 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_OFFLINE=mt_offline
 MT_STATUS=mt_status
 
-# Insure `mail' is in PATH.
+# Insure 'mail' is in PATH.
 PATH="/usr/ucb:${PATH}"
 export PATH
 # Put startdate in the subject line of mailed report, since if it happens
@@ -78,7 +79,7 @@ bailout() {
 
 # Return current date
 now() {
-#IF_DATE_FORMAT_OK	
+#IF_DATE_FORMAT_OK
 	date +%Y-%m-%d
 #ELSE_DATE_FORMAT_OK
         LC_ALL=C date | \
@@ -106,6 +107,10 @@ test_root() {
     fi
 }
 
+root_fs() {
+    echo "${ROOT_FS}$1" | tr -s /
+}
+
 advice() {
     echo "Directory $1 is not found." >&2
     cat >&2 <<EOF
@@ -135,7 +140,7 @@ init_common() {
 	    advice $LOGPATH
 	    exit 1
 	fi
-    fi	
+    fi
     # Get the values of BACKUP_DIRS, BACKUP_FILES, and other variables.
     if [ ! -r $CONFIGFILE ]; then
 	echo "$PROGNAME: cannot read $CONFIGFILE. Stop." >&2
@@ -147,7 +152,7 @@ init_common() {
 
     test_root
 
-    if [ x"${ADMINISTRATOR}" = x ]; then 
+    if [ x"${ADMINISTRATOR}" = x ]; then
 	bailout "ADMINISTRATOR not defined"
     fi
 
@@ -155,7 +160,7 @@ init_common() {
     [ x"$SLEEP_TIME" = x ] && SLEEP_TIME=60
 
     if [ x$VOLNO_FILE = x ]; then
-	bailout "VOLNO_FILE not specified" 
+	bailout "VOLNO_FILE not specified"
     fi
 
     if [ -r $DIRLIST ]; then
@@ -168,9 +173,23 @@ init_common() {
     if [ \( x"$BACKUP_DIRS" = x \) -a \( x"$BACKUP_FILES" = x \) ]; then
 	bailout "Neither BACKUP_DIRS nor BACKUP_FILES specified"
     fi
-    if [ "$RSH" = "" ]; then
+    if [ -z "$RSH" ]; then
 	RSH=rsh
+	MT_RSH_OPTION=
+    else
+	MT_RSH_OPTION="--rsh-command=$RSH"
+    fi
+    if [ -z "$TAPE_FILE" ]; then
+	TAPE_FILE=/dev/tape
     fi
+
+    # If TAPE_FILE is a remote device, update mt invocation accordingly
+    : ${MT:=mt}
+    case $TAPE_FILE in
+    *:*) MT="$MT $MT_RSH_OPTION";;
+    *)   ;;
+    esac
+
     POSIXLY_CORRECT=1
     export POSIXLY_CORRECT
 }
@@ -193,8 +212,8 @@ init_backup() {
 	TAR_PART1="${TAR_PART1} --info-script='${DUMP_REMIND_SCRIPT}'"
     fi
     # Set logfile name
-    # Logfile name should be in the form  ``log-1993-03-18-level-0''
-    # They go in the directory `@sysconfdir@/log'.
+    # Logfile name should be in the form 'log-1993-03-18-level-0'
+    # They go in the directory '@sysconfdir@/log'.
     # i.e. year-month-date.  This format is useful for sorting by name, since
     # logfiles are intentionally kept online for future reference.
     LOGFILE="${LOGPATH}/log-`now`-level-${DUMP_LEVEL}"
@@ -235,7 +254,7 @@ wait_time() {
 		    diff = 3600 * (time[1] - now[1]) + 60 * (time[2] - now[2]);
 		    if (diff < 0)
 			diff += 3600 * 24
-		    print diff	
+		    print diff
 		}'`"
 	clear
 	echo "${SLEEP_MESSAGE}"
@@ -274,7 +293,7 @@ flush_level_log() {
 # usage: get_dump_time LEVEL
 get_dump_time() {
     ls -r ${LOGPATH}/log-*-level-$1 \
-        | head -1 \
+        | head -n 1 \
 	| sed "s,.*log-\(.*\)-level-$1,\1,"
 }
 
@@ -287,7 +306,7 @@ backup_host() {
     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
+	# 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"
@@ -302,7 +321,7 @@ print_level() {
     else
     	echo "Level ${1-$DUMP_LEVEL}"
     fi
-}    	
+}
 
 prev_level() {
     print_level `expr $DUMP_LEVEL - 1` | tr A-Z a-z
@@ -321,22 +340,9 @@ remote_run() {
 
 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.
+Copyright (C) 2013 Free Software Foundation, Inc.
+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
 }