--- ./rdup-tr.c.orig	2010-04-04 13:23:22.000000000 -0700

+++ ./rdup-tr.c	2010-04-08 20:21:36.000000000 -0700

@@ -100,7 +100,8 @@

 	struct archive_entry *entry;

 	struct stat     *s;

 	struct rdup  *rdup_entry = NULL;

-	GSList *hlinks, *hl      = NULL;

+	GSList *hlinks = NULL;

+	GSList *hl = NULL;

 	GHashTable *trhash;		/* look up for encrypted/decrypted strs */

 	delim   = '\n';

--- ./sh/rdup-simple.in.orig	2010-04-04 13:23:22.000000000 -0700

+++ ./sh/rdup-simple.in	2010-04-08 20:34:49.000000000 -0700

@@ -1,4 +1,4 @@

-#!/bin/bash

+#!/bin/sh

 # updates a hardlinked backup

 # licensed under the GPL version 3

@@ -31,23 +31,24 @@

     TOPDIR="$1"

     if $dry; then exit 1; fi

-    [[ -z $TOPDIR ]] && exit 2

-    [[ -d $TOPDIR/$TODAY ]] && exit 0

+    [ -z "$TOPDIR" ] && exit 2

+    [ -d $TOPDIR/$TODAY ] && exit 0

     if ! mkdir -p $TOPDIR/$TODAY; then

 	exit 2

     fi

-    let i=1

-    while [[ $i -le $LOOKBACK ]]; do

-	    D=$(date $DATESTR --date "$i days ago")

-	    if [[ -d $TOPDIR/$D ]]; then

-		if ! cp -plr $TOPDIR/$D/* $TOPDIR/$TODAY; then

+    i=1

+    while [ $i -le $LOOKBACK ]; do

+	    adjust=$(printf %dd $i)

+	    D=$(date -v-$adjust $DATESTR)

+	    if [ -d $TOPDIR/$D ]; then

+		if ! cp -plR $TOPDIR/$D/* $TOPDIR/$TODAY; then

 		    exit 2

 		fi

 		exit 0

 	    fi

-	    let i=i+1

+	    i=$((i+1))

     done

     exit 1

 }

@@ -86,7 +87,7 @@

 }

 PROGNAME=$0

-NOW=`date +%Y%m/%d`

+NOW=$(date +%Y%m/%d)

 DAYS=8

 OPT_DRY=

 ssh=

@@ -105,7 +106,7 @@

         case $o in

 		a) atime=" -a " ;;

 		E)

-                if [[ -z "$OPTARG" ]]; then

+                if [ -z "$OPTARG" ]; then

                         echo2 "-E needs an argument"

                         exit 1

                 fi

@@ -116,12 +117,12 @@

 		pathtrans="-$o $OPTARG";

 		;;

                 k)

-                if [[ -z "$OPTARG" ]]; then

+                if [ -z "$OPTARG" ]; then

                         echo2 "-k needs an argument"

                         exit 1

                 fi

-                if [[ ! -r "$OPTARG" ]]; then

-                        echo2 "Cannot read keyfile \`$OPTARG': failed"

+                if [ ! -r "$OPTARG" ]; then

+                        echo2 "Cannot read keyfile \'$OPTARG': failed"

                         exit 1

                 fi

                 trans="$trans -Pmcrypt,-q,-f,$OPTARG"

@@ -144,7 +145,7 @@

 			exit 1

 		fi

 		# if there a no key, this will fail

-		if [[ $(gpg --list-keys | wc -l) -eq "0" ]]; then

+		if [ $(gpg --list-keys | wc -l) -eq "0" ]; then

 			echo2 "No gpg keys found"

 			exit 1

 		fi

@@ -163,9 +164,9 @@

 done

 shift $((OPTIND - 1))

-if [[ ${1:0:1} == "+" ]]; then

-        DAYS=${1:1}

-        if [[ $DAYS -lt 1 || $DAYS -gt 99 ]]; then

+if [ "${1%${1#?}}" = "+" ]; then

+        DAYS=${1#?}

+        if [ $DAYS -lt 1 ] || [ $DAYS -gt 99 ]; then

                 echo2 "+N needs to be a number [1..99]"

                 exit 1

         fi

@@ -174,7 +175,7 @@

         DAYS=8

 fi

-[[ $# -lt 2 ]] && usage && exit

+[ $# -lt 2 ] && usage && exit

 if $mcrypt; then

     if ! which mcrypt 2>/dev/null 1>&2; then

@@ -184,10 +185,10 @@

 fi

 i=1; last=$#; DIRS=

-while [[ $i -lt $last ]]; do

+while [ $i -lt $last ]; do

 	DIRS="$DIRS $1"

 	shift

-	((i=$i+1))

+	i=$((i+1))

 done

 # rdup [options] source destination

 #dest="ssh://elektron.atoom.net/directory"

@@ -197,50 +198,50 @@

 #dest="ssh://miekg@elektron.atoom.net/directory"

 dest=$1

-if [[ ${dest:0:6} == "ssh://" ]]; then

-	rest=${dest/ssh:\/\//}

+if [ "${dest%${dest#??????}}" = "ssh://" ]; then

+	rest=${dest#ssh://}

 	u=${rest%%@*}

-	if [[ "$u" == "$rest" ]]; then

+	if [ "$u" = "$rest" ]; then

             # no @ used, nullify $u

             u=

         fi

-	rest=${rest/$u@/}

-	h=`echo $rest | cut -s -f1 -d/`

-	BACKUPDIR=${rest/$h/}

+	rest=${rest#$u@}

+	h=$(echo $rest | cut -s -f1 -d/)

+	BACKUPDIR=${rest#$h}

-	if [[ -z $u ]]; then

+	if [ -z "$u" ]; then

 		ssh=" ssh -c blowfish -x $h"

 	else

 		ssh=" ssh -c blowfish -x $u@$h"

 	fi

 fi

-if [[ ${dest:0:7} == "file://" ]]; then

-	rest=${dest/file:\/\//}

+if [ "${dest%${dest#???????}}" = "file://" ]; then

+	rest=${dest#file://}

 	BACKUPDIR=$rest

 fi

-[[ ${dest:0:1} == "/" ]] && BACKUPDIR=$dest

+[ "${dest%${dest#?}}" = "/" ] && BACKUPDIR=$dest

 # no hits above, assume relative filename

-[[ -z $BACKUPDIR ]] && BACKUPDIR=$PWD/$dest

+[ -z "$BACKUPDIR" ] && BACKUPDIR=$PWD/$dest

 $link && copy_and_link $DAYS $BACKUPDIR

 # change all / to _ to make a valid filename

-STAMP=$etc/timestamp.${HOSTNAME}.${dest//\//_}

-LIST=$etc/list.${HOSTNAME}.${dest//\//_}

+STAMP=$etc/timestamp.${HOSTNAME}.$(echo $dest | tr / _)

+LIST=$etc/list.${HOSTNAME}.$(echo $dest | tr / _)

-[[ ! -d $etc ]] && mkdir $etc

+[ ! -d $etc ] && mkdir $etc

 # remote or not

-if [[ -z $ssh ]]; then

+if [ -z "$ssh" ]; then

         pipe="rdup-up$OPT $OPT_DRY $STRIP -t $BACKUPDIR/$NOW"

 else

         pipe="$ssh rdup-up$OPT $OPT_DRY $STRIP -t $BACKUPDIR/$NOW"

 fi

 # path encryption

-if [[ -n $pathtrans ]]; then

+if [ -n "$pathtrans" ]; then

 	pipe="rdup-tr $pathtrans | $pipe"

 fi

@@ -248,7 +249,7 @@

 if ! $force; then

 	# path is set at the top

-        if [[ -z $ssh ]]; then

+        if [ -z "$ssh" ]; then

 		$PROGNAME $OPT_DRY -L +$DAYS /dev/null $BACKUPDIR

 #		rdup-ln -l $DAYS $BACKUPDIR

                 purpose=$?