]> git.pld-linux.org Git - packages/amanda.git/blobdiff - amanda-chg-zd-mtx-sh.patch
- libexec fixes
[packages/amanda.git] / amanda-chg-zd-mtx-sh.patch
index c32c20ba510979afb34d8ca2d0a050d02725e32c..f18074a280ad157849b7d53704c2a6a05af2c11c 100644 (file)
-diff -urN amanda-2.4.2p2/changer-src/chg-zd-mtx.sh.in amanda-2.4.2p2.new/changer-src/chg-zd-mtx.sh.in
---- amanda-2.4.2p2/changer-src/chg-zd-mtx.sh.in        Tue Apr  3 02:43:07 2001
-+++ amanda-2.4.2p2.new/changer-src/chg-zd-mtx.sh.in    Tue Mar 19 20:06:46 2002
-@@ -158,8 +158,8 @@
- eject() {
-       readstatus 
-       echo "EJECT -> ejecting tape from $tape to slot $usedslot" >> $DBGFILE
--      if [ $usedslot -gt 0 ]; then
--              if [ $OFFLINE_BEFORE_UNLOAD -gt 0 ]; then
-+      if [ "$usedslot" -gt 0 ]; then
-+              if [ "$OFFLINE_BEFORE_UNLOAD" -gt 0 ]; then
-                       $MT $MTF $tape offline
+diff -ur amanda-2.6.1p1/changer-src/chg-zd-mtx.sh amanda-2.6.1p1-sh/changer-src/chg-zd-mtx.sh
+--- amanda-2.6.1p1/changer-src/chg-zd-mtx.sh   2008-12-16 21:46:41.000000000 +0100
++++ amanda-2.6.1p1-sh/changer-src/chg-zd-mtx.sh        2009-07-03 21:00:25.379617588 +0200
+@@ -364,7 +364,7 @@
+ internal_call=0
+ Exit() {
+-      if [ $internal_call -gt 0 ]; then
++      if [ "$internal_call" -gt 0 ]; then
+               call_type=Return
+       else
+               call_type=Exit
+@@ -376,7 +376,7 @@
+       exit_answer="$@"
+       Log $call_type "($code) -> $exit_slot $@"
+       echo "$exit_slot" "$@"
+-      if [ $call_type = Return ]; then
++      if [ "$call_type" = "Return" ]; then
+               return $code
+       fi
+       amgetconf dbclose.$myname:$DBGFILE > /dev/null 2>&1
+@@ -393,12 +393,12 @@
+       "$@" > $stdout 2> $stderr
+       exitcode=$?
+       Log `_ 'Exit code: %s' "$exitcode"`
+-      if [ -s $stdout ]
++      if [ -s "$stdout" ]
+       then
+               LogAppend Stdout:
+               cat $stdout >> $DBGFILE
+       fi
+-      if [ -s $stderr ]
++      if [ -s "$stderr" ]
+       then
+               LogAppend Stderr:
+               cat $stderr >> $DBGFILE
+@@ -425,13 +425,13 @@
+ mtx_status_valid=0
+ get_mtx_status() {
+       test -n "$DEBUG" && set -x
+-      if [ $mtx_status_valid -ne 0 ]; then
++      if [ "$mtx_status_valid" -ne 0 ]; then
+               return 0
+       fi
+       rm -f $mtx_status
+       Run $MTX status > $mtx_status 2>&1
+       status=$?
+-      if [ $status -eq 0 ]; then
++      if [ "$status" -eq 0 ]; then
+               mtx_status_valid=1
+       fi
+@@ -503,7 +503,7 @@
+       fi
+       #Use the current slot if it's empty and we don't know which slot is loaded'
+-      if [ $loadedslot -eq -2 ]; then
++      if [ "$loadedslot" -eq -2 ]; then
+               set x `sed -n '
+ {
+     /^.*Storage Element '$currentslot':Empty/ {
+@@ -526,13 +526,13 @@
+ ' < $mtx_status 2>& 1`
+               shift                           # get rid of the "x"
+               loadedslotx=$1
+-              if [ ! -z $loadedslotx ]; then
++              if [ ! -z "$loadedslotx" ]; then
+                       loadedslot=$loadedslotx
                fi
-               $MTX unload $usedslot $drivenum 2>/dev/null
-@@ -192,7 +192,7 @@
-       echo "LOADSLOT -> load tape from slot $whichslot" >> $DBGFILE
-       case $whichslot in
-               current)
--                      if [ $usedslot -lt 0 ]; then
-+                      if [ "$usedslot" -lt 0 ]; then
-                               loadslot=$firstslot
-                       else 
-                               echo "$usedslot $tape"
-@@ -200,18 +200,18 @@
-                       fi
-                       ;;
-               next|advance)
--                      if [ $usedslot -lt 0 ]; then
-+                      if [ "$usedslot" -lt 0 ]; then
-                               loadslot=$firstslot
-                       else
-                               loadslot=`expr $usedslot + 1`
--                              if [ $loadslot -gt $lastslot ]; then
-+                              if [ "$loadslot" -gt "$lastslot" ]; then
-                                       loadslot=$firstslot
-                               fi
+       fi
+       #Use the first empty slot if we don't know which slot is loaded'
+-      if [ $loadedslot -eq -2 ]; then
++      if [ "$loadedslot" -eq -2 ]; then
+               set x `sed -n '
+ {
+     /^.*Storage Element \([0-9][0-9]*\):Empty/ {
+@@ -606,27 +606,27 @@
+ }
+ ' < $mtx_status 2>&1 | grep -v "^${cleanslot}\$" | sort -n`
+       slot_list=`echo $slot_list`             # remove the newlines
+-      if [ $firstslot -lt 0 -o $lastslot -lt 0 ]; then
++      if [ "$firstslot" -lt 0 -o "$lastslot" -lt 0 ]; then
+               last=$lastslot
+               for slot in $slot_list; do
+-                      if [ $firstslot -lt 0 ]; then
++                      if [ "$firstslot" -lt 0 ]; then
+                               Log `_ 'SLOTLIST -> firstslot set to %s' "$slot"`
+                               firstslot=$slot
                        fi
-                       ;;
-               prev)
-                       loadslot=`expr $usedslot - 1`
--                      if [ $loadslot -lt $firstslot ]; then
-+                      if [ "$loadslot" -lt "$firstslot" ]; then
-                               loadslot=$lastslot
+-                      if [ $lastslot -lt 0 ]; then
++                      if [ "$lastslot" -lt 0 ]; then
+                               last=$slot
                        fi
-                       ;;
-@@ -222,7 +222,7 @@
-                       loadslot=$lastslot
-                       ;;
-               $numeric)
--                        if [ $whichslot -gt $lastslot ] || [ $whichslot -lt $firstslot ]; then
-+                        if [ "$whichslot" -gt "$lastslot" ] || [ "$whichslot" -lt "$firstslot" ]; then
-                                 echo "0 Slot $whichslot is out of range ($firstslot - $lastslot)"
-                                 exit 1
-                         else
-@@ -239,18 +239,18 @@
-       esac
-       # Is this already the current slot?
--      if [ $loadslot = $usedslot ]; then
-+      if [ "$loadslo"t = "$usedslot" ]; then
-               echo "$usedslot $tape"
-               exit 0
-       fi
-       # Is this a cleaning request?
+               done
+-              if [ $lastslot -lt 0 -a $last -ge 0 ]; then
++              if [ "$lastslot" -lt 0 -a "$last" -ge 0 ]; then
+                       Log `_ 'SLOTLIST -> lastslot set to %s' "$last"`
+                       lastslot=$last
+               fi
+-              if [ $firstslot -lt 0 ]; then
++              if [ "$firstslot" -lt 0 ]; then
+                       Exit 2 \
+                            `_ '<none>'` \
+                            `_ 'cannot determine first slot'`
+                       return $?               # in case we are internal
+-              elif [ $lastslot -lt 0 ]; then
++              elif [ "$lastslot" -lt 0 ]; then
+                       Exit 2 \
+                            `_ '<none>'` \
+                            `_ 'cannot determine last slot'`
+@@ -635,7 +635,7 @@
+       fi
+       amanda_slot_list=
+       for slot in $slot_list; do
+-              if [ $slot -ge $firstslot -a $slot -le $lastslot ]; then
++              if [ "$slot" -ge "$firstslot" -a "$slot" -le "$lastslot" ]; then
+                       amanda_slot_list="$amanda_slot_list $slot"
+               fi
+       done
+@@ -671,7 +671,7 @@
+                            `_ 'Line %s malformed in %s: %s %s %s' "$line" "$labelfile" "$lbl" "$bc" "$junk"`
+                       return $?               # in case we are internal
+               fi
+-              if [ $lbl = "$lbl_search" -o $bc = "$bc_search" ]; then
++              if [ "$lbl" = "$lbl_search" -o "$bc" = "$bc_search" ]; then
+                       if [ $labelfile_entry_found -ne 0 ]; then
+                               Log       `_ 'ERROR    -> Duplicate entries: %s line %s' "$labelfile" "$line"`
+                               LogAppend `_ '         -> Remove %s and run "%s %s update"' "$labelfile" "$sbindir/amtape" "$config"`
+@@ -860,7 +860,7 @@
+         Exit 2 \
+              ` _ '<none>'` \
+              "tapedev $rawtape is not a tape device."
+-elif [ $tape = "/dev/null" -o `expr "$tape" : 'null:'` -eq 5 ]; then
++elif [ "$tape" = "/dev/null" -o "`expr "$tape" : 'null:'`" -eq 5 ]; then
+       Exit 2 \
+            `_ '<none>'` \
+            "tapedev ($tape) may not be the null device"
+@@ -871,7 +871,7 @@
+       Exit 2 \
+            `_ '<none>'` \
+            "changerdev may not be empty"
+-elif [ $TAPE = "/dev/null" ]; then
++elif [ "$TAPE" = "/dev/null" ]; then
+       Exit 2 \
+            `_ '<none>'` \
+            "changerdev ($TAPE) may not be the null device"
+@@ -884,19 +884,19 @@
+ #### Set up the various config files.
+ conf_match=`expr "$changerfile" : .\*\.conf\$`
+-if [ $conf_match -ge 6 ]; then
++if [ "$conf_match" -ge 6 ]; then
+       configfile=$changerfile
+       changerfile=`echo $changerfile | sed 's/.conf$//g'`
+ else
+       configfile=$changerfile.conf
+ fi
+-if [ ! -e $configfile ]; then
++if [ ! -e "$configfile" ]; then
+       Exit 2 \
+            `_ '<none>'` \
+            "configuration file \"$configfile\" doesn't exist"
+ fi
+-if [ ! -f $configfile ]; then
++if [ ! -f "$configfile" ]; then
+       Exit 2 \
+            `_ '<none>'` \
+            "configuration file \"$configfile\" is not a file"
+@@ -907,10 +907,10 @@
+ slotfile=$changerfile-slot
+ labelfile=$changerfile-barcodes
+ slotinfofile=""
+-[ ! -s $cleanfile ] && echo 0 > $cleanfile
+-[ ! -s $accessfile ] && echo 0 > $accessfile
+-[ ! -s $slotfile ] && echo -1 > $slotfile
+-[ ! -f $labelfile ] && > $labelfile
++[ ! -s "$cleanfile" ] && echo 0 > $cleanfile
++[ ! -s "$accessfile" ] && echo 0 > $accessfile
++[ ! -s "$slotfile" ] && echo -1 > $slotfile
++[ ! -f "$labelfile" ] && > $labelfile
+ cleancount=`cat $cleanfile`
+ accesscount=`cat $accessfile`
+@@ -957,7 +957,7 @@
+ # Get DBGFILE set if it is not already.
+-if [ $DBGFILE = /dev/null ]; then
++if [ "$DBGFILE" = /dev/null ]; then
+       if [ -d "$DBGDIR" ]; then
+               DBGFILE=$DBGDIR/changer.debug.drive$driveslot
+       else
+@@ -1037,9 +1037,9 @@
+ Log `_ "Config info:"`
+ for var in $varlist; do
+-      if [ $var = "OFFLINE_BEFORE_UNLOAD" ]; then
++      if [ "$var" = "OFFLINE_BEFORE_UNLOAD" ]; then
+               continue                        # old name
+-      elif [ $var = "AUTOCLEAN" ]; then
++      elif [ "$var" = "AUTOCLEAN" ]; then
+               continue                        # old name
+       elif [ $var = "slotinfofile" ]; then
+               continue                        # not numeric
+@@ -1062,12 +1062,12 @@
+ # Run the rest of the config file sanity checks.
+-if [ $firstslot -gt $lastslot ]; then
++if [ "$firstslot" -gt "$lastslot" ]; then
+       Exit 2 \
+            `_ '<none>'` \
+            `_ 'firstslot (%s) greater than lastslot (%s) in %s' "$firstslot" "$lastslot" "$configfile"`
+ fi
+-if [ $autoclean -ne 0 -a $cleanslot -lt 0 ]; then
++if [ "$autoclean" -ne 0 -a "$cleanslot" -lt 0 ]; then
+       Exit 2 \
+            `_ '<none>'` \
+            `_ 'autoclean set but cleanslot not valid (%s)' "$cleanslot"`
+@@ -1077,10 +1077,10 @@
+ currentslot=`cat $slotfile`
+ if IsNumeric "$currentslot" ; then
+-      if [ $currentslot -lt $firstslot ]; then
++      if [ "$currentslot" -lt "$firstslot" ]; then
+               Log `_ 'SETUP    -> current slot %s less than %s ... resetting to %s' "$currentslot" "$firstslot" "$firstslot"`
+               currentslot=$firstslot
+-      elif [ $currentslot -gt $lastslot ]; then
++      elif [ "$currentslot" -gt "$lastslot" ]; then
+               Log `_ 'SETUP    -> current slot %s greater than %s ... resetting to %s' "$currentslot" "$lastslot" "$lastslot"`
+               currentslot=$lastslot
+       fi
+@@ -1093,19 +1093,19 @@
+ first_slot_in_list=-1
+ next_slot_after_current=-1
+ for slot in $slot_list; do
+-      if [ $first_slot_in_list -lt 0 ]; then
++      if [ "$first_slot_in_list" -lt 0 ]; then
+               first_slot_in_list=$slot        # in case $firstslot is missing
+       fi
+-      if [ $slot -eq $currentslot ]; then
++      if [ "$slot" -eq "$currentslot" ]; then
+               found_current=1
+               break
+-      elif [ $slot -gt $currentslot ]; then
++      elif [ "$slot" -gt "$currentslot" ]; then
+               next_slot_after_current=$slot   # $currentslot is missing
+               break
+       fi
+ done
+-if [ $found_current -eq 0 ]; then
+-      if [ $next_slot_after_current -lt 0 ]; then
++if [ "$found_current" -eq 0 ]; then
++      if [ "$next_slot_after_current" -lt 0 ]; then
+               new_currentslot=$first_slot_in_list
+       else
+               new_currentslot=$next_slot_after_current
+@@ -1124,9 +1124,9 @@
+       test -n "$DEBUG" && set -x
+       Log `_ 'EJECT    -> ejecting tape from %s' "$tape"`
+       get_loaded_info 
+-      if [ $loadedslot -gt 0 ]; then
++      if [ "$loadedslot" -gt 0 ]; then
+               Log `_ 'EJECT    -> moving tape from drive %s to storage slot %s' "$driveslot" "$loadedslot"`
+-              if [ $offline_before_unload -ne 0 ]; then
++              if [ "$offline_before_unload" -ne 0 ]; then
+                         Run try_eject_device $tape
+               fi
+               sleep $unloadpause
+@@ -1134,7 +1134,7 @@
+               status=$?
+               Log `_ '         -> status %s, result "%s"' "$status" "$result"`
+               mtx_status_valid=0
+-              if [ $status -ne 0 ]; then
++              if [ "$status" -ne 0 ]; then
+                       answer="$result"
+                       code=2
+               else
+@@ -1213,7 +1213,7 @@
+       prev_slot=$1
+       shift
+       while [ $# -gt 0 ]; do
+-              if [ $1 -eq $find_slot ]; then
++              if [ "$1" -eq "$find_slot" ]; then
+                       break
+               fi
+               prev_slot=$1
+@@ -1242,15 +1242,15 @@
+       # If the desired slot is already loaded, we are done.  Only update
+       # current slot if this is not the cleaning slot.
+       get_loaded_info
+-      if [ $loadslot = $loadedslot ]; then
+-              if [ $loadslot -ne $cleanslot ]; then
++      if [ "$loadslot" = "$loadedslot" ]; then
++              if [ "$loadslot" -ne "$cleanslot" ]; then
+                       rm -f $slotfile
+                       echo $loadslot > $slotfile
+               fi
+               Exit 0 "$loadedslot" "$rawtape"
+               return $?                       # in case we are internal
+       fi
+-      if [ $loadedslot -eq -2 ]; then
++      if [ "$loadedslot" -eq -2 ]; then
+               Exit 0 "$loadedslot" "$rawtape"
+               return $?                       # in case we are internal
+         fi
+@@ -1258,20 +1258,20 @@
+       # If we are loading the cleaning tape, bump the cleaning count
+       # and reset the access count.  Otherwise, bump the access count
+       # and see if it is time to do a cleaning.
 -      if [ $loadslot = $cleanslot ]; then
 +      if [ "$loadslot" = "$cleanslot" ]; then
+               rm -f $cleanfile $accessfile
                expr $cleancount + 1 > $cleanfile
                echo 0 > $accessfile
        else
+               rm -f $accessfile
                expr $accesscount + 1 > $accessfile
--              if [ $AUTOCLEAN -gt 0  -a  $accesscount -gt $autocleancount ]; then
-+              if [ "$AUTOCLEAN" -gt 0  -a  "$accesscount" -gt "$autocleancount" ]; then
-                       $myname -slot clean >/dev/null
-                       # Slot $cleanslot might contain an ordinary tape rather than a cleaning
-@@ -261,9 +261,9 @@
+-              if [ $autoclean -ne 0 -a $accesscount -gt $autocleancount ]
++              if [ "$autoclean" -ne 0 -a "$accesscount" -gt "$autocleancount" ]
+               then
+                       internal_call=`expr $internal_call + 1`
+                       loadslot clean > /dev/null 2>&1
+                       status=$?
+                       internal_call=`expr $internal_call - 1`
+-                      if [ $status -ne 0 ]; then
++                      if [ "$status" -ne 0 ]; then
+                               Exit $status "$loadslot" "$exit_answer"
+                               return $?       # in case we are internal
+                       fi
+@@ -1291,14 +1291,14 @@
+       eject > /dev/null 2>&1
+       status=$?
+       internal_call=`expr $internal_call - 1`
+-      if [ $status -gt 1 ]; then
++      if [ "$status" -gt 1 ]; then
+               Exit $status "$exit_slot" "$exit_answer"
+               return $?                       # in case we are internal
        fi
  
-       # Unload any previous tape
--      if [ $usedslot -ne "-1" ]; then
-+      if [ "$usedslot" -ne "-1" ]; then
-               echo "         -> unload $usedslot from $tape" >> $DBGFILE
--              if [ $OFFLINE_BEFORE_UNLOAD -gt 0 ]; then
-+              if [ "$OFFLINE_BEFORE_UNLOAD" -gt 0 ]; then
-                       $MT $MTF $tape offline
+       # If we were doing an "advance", we are done.
+-      if [ $whichslot = advance ]; then
+-              if [ $loadslot -ne $cleanslot ]; then
++      if [ "$whichslot" = "advance" ]; then
++              if [ "$loadslot" -ne "$cleanslot" ]; then
+                       rm -f $slotfile
+                       echo $loadslot > $slotfile
                fi
-               result=`$MTX unload $usedslot $drivenum 2>&1`
-@@ -282,7 +282,7 @@
-       echo "         -> status $status, result '$result'" >> $DBGFILE
-       # If there is an error, abort unless the slot is simply empty
+@@ -1312,7 +1312,7 @@
+       status=$?
+       Log `_ '         -> status %s, result "%s"' "$status" "$result"`
+       mtx_status_valid=0
 -      if [ $status -ne 0 ]; then
 +      if [ "$status" -ne 0 ]; then
-               empty=`echo $result | grep "Empty"`
-               if [ -z "$empty" ]; then
-                       echo "$loadslot $result"
-@@ -299,7 +299,7 @@
-                 #### Don't assume the drive is ready until we get an ONLINE
-               #### This is tested by the variable $offlinestatus from the beginning.
--              if [ $offlinestatus -eq 0 ]; then
-+              if [ "$offlinestatus" -eq 0 ]; then
-                       readyError="offline"
-                       while [ -n "$readyError" ]; do
-                                       readyStatus=`$MT $MTF $tape status 2>&1`
-@@ -330,8 +330,8 @@
-       echo "INFO -> current slot $usedslot, last slot $lastslot, can go backwards 1" >> $DBGFILE
-         #### Checks if you have a barcode reader or not.  If so, it passes the 4th item in the echo
-         #### back to amtape signifying it can search based on barcodes.
+               Exit 2 "$loadslot" "$result"
+               return $?                       # in case we are internal
+       fi
+@@ -1322,7 +1322,7 @@
+       # for "long enough" (as determined empirically by the user),
+       # then return success.
+       ###
+-      if [ $loadslot -eq $cleanslot ]; then
++      if [ "$loadslot" -eq "$cleanslot" ]; then
+               Run sleep $cleancycle
+               Exit 0 "$loadslot" "$rawtape"
+               return $?                       # in case we are internal
+@@ -1334,7 +1334,7 @@
+       waittime=0
+       ready=0
+       sleep $initial_poll_delay
+-      while [ $waittime -lt $max_drive_wait ]; do
++      while [ "$waittime" -lt "$max_drive_wait" ]; do
+                 amdevcheck_status $tape
+               if [ $? -eq 0 ]; then
+                       ready=1
+@@ -1343,12 +1343,12 @@
+               sleep $poll_drive_ready
+               waittime=`expr $waittime + $poll_drive_ready`
+       done
+-      if [ $ready -eq 0 ]; then
++      if [ "$ready" -eq 0 ]; then
+               Exit 2 "$loadslot" `_ 'Drive not ready after %s seconds: %s' "$max_drive_wait" "$amdevcheck_message"`
+               return $?                       # in case we are internal
+       fi
+-      if [ $loadslot -ne $cleanslot ]; then
++      if [ "$loadslot" -ne "$cleanslot" ]; then
+               rm -f $slotfile
+               echo $loadslot > $slotfile
+       fi
+@@ -1379,11 +1379,11 @@
+       # can search based on barcodes.
+       ###
+       reader=
 -        if [ $havereader -eq 1 ]; then
--                if [ $usedslot -lt 0 ]; then
 +        if [ "$havereader" -eq 1 ]; then
-+                if [ "$usedslot" -lt 0 ]; then
-                         #### added a variable to the end of the following 2 echos.
-                       #### This indicates to amtape that it can/cannot read barcodes.
-                         echo "0 $lastslot 1 1"
-@@ -340,7 +340,7 @@
-                 fi
-                 exit 0
-         else
--                if [ $usedslot -lt 0 ]; then
-+                if [ "$usedslot" -lt 0 ]; then
-                         echo "0 $lastslot 1"
-                 else
-                         echo "$usedslot $lastslot 1"
-@@ -360,17 +360,17 @@
-         case $tapelabel in
-         $tapelabel)
-                 echo "LABEL -> Adding Barcode $barcode and amlabel $tapelabel for Slot $usedslot into $labelfile" >> $DBGFILE
--                if [ $labelfilesize -eq 2 ]; then
-+                if [ "$labelfilesize" -eq 2 ]; then
-                         echo "$tapelabel $barcode" > $labelfile
-                         echo "0 $usedslot $tape"
-                 else
-                         included=`grep $tapelabel $labelfile | awk '{print $1}'`
--                        if [ -z $included ]; then
-+                        if [ -z "$included" ]; then
-                                 echo "$tapelabel $barcode" >> $labelfile
-                                 echo "0 $usedslot $tape"
-                         else
-                                 oldbarcode=`grep $tapelabel $labelfile | awk '{print $2}'`
--                                if [ $oldbarcode -eq $barcode ]; then
-+                                if [ "$oldbarcode" -eq "$barcode" ]; then
-                                         echo "      -> Barcode $barcode $oldbarcode already synced for $tapelabel" >> $DBGFILE
-                                         echo "0 $usedslot $tape"
-@@ -403,7 +403,7 @@
-       includedslot=`echo $tmpincludedslot | sed -n "s/\(.*\)Storage Element \([1-9][0-9]*\):\(.*\)/\2/p;s/Data Transfer Element $drivenum:Full (Storage Element \([1-9][0-9]*\) Loaded)\(.*\)/\1/p"`
-         case $tapelabel in
-         $tapelabel)
--                if [ $tapelabel == $includedtag ]; then
-+                if [ "$tapelabel" == "$includedtag" ]; then
-                         shift 
-                         loadslot $includedslot
-                         echo "$tape"
+               reader=1
+         fi
+-      if [ $currentslot -lt $firstslot -o $currentslot -gt $lastslot ]; then
++      if [ "$currentslot" -lt "$firstslot" -o "$currentslot" -gt "$lastslot" ]; then
+               currentslot=$firstslot          # what "current" will get
+       fi
+       numslots=`expr $lastslot - $firstslot + 1`
+@@ -1404,12 +1404,12 @@
+       fi
+         tapelabel=$1
+         get_loaded_info
+-      if [ $loadedslot -lt 0 ]; then
++      if [ "$loadedslot" -lt 0 ]; then
+               Exit 1 `_ '<none>'` `_ 'No tape currently loaded'`
+               return $?                       # in case we are internal
+       fi
+       record_label_in_slot "$tapelabel" "$loadedslot"
+-      if [ $havereader -eq 0 ]; then
++      if [ "$havereader" -eq 0 ]; then
+               Exit 0 "$loadedslot" "$rawtape" # that's all we needed
+               return $?                       # in case we are internal
+       fi
+@@ -1419,7 +1419,7 @@
+       fi
+       Log       `_ 'LABEL    -> Adding label "%s" with barcode "%s" for slot %s into %s' "$tapelabel" "$loadedbarcode" "$loadedslot" "$labelfile"`
+       read_labelfile "$tapelabel" "$loadedbarcode" < $labelfile
+-      if [ $labelfile_entry_found -ne 0 ]; then
++      if [ "$labelfile_entry_found" -ne 0 ]; then
+               lf_val=
+               if [ "$labelfile_barcode" != "$loadedbarcode" ]; then
+                       lf_type=label
+@@ -1465,13 +1465,13 @@
+               return $?                       # in case we are internal
+       fi
+         tapelabel=$1
+-      if [ $havereader -eq 0 ]; then
++      if [ "$havereader" -eq 0 ]; then
+               Exit 2 `_ '<none>'` `_ 'Not configured with barcode reader'`
+               return $?                       # in case we are internal
+       fi
+       Log `_ 'SEARCH   -> Hunting for label "%s"' "$tapelabel"`
+       read_labelfile "$tapelabel" "" < $labelfile
+-      if [ $labelfile_entry_found -eq 0 ]; then
++      if [ "$labelfile_entry_found" -eq 0 ]; then
+               LogAppend `_ '         -> !!! label "%s" not found in %s !!!' "$tapelabel" "$labelfile"`
+               LogAppend `_ '         -> Remove %s and run "%s %s update"' "$labelfile" "$sbindir/amtape" "$config"`
+               Exit 2 \
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