--- getdelta.sh
+++ getdelta.sh
@@ -25,6 +25,9 @@
 VERSION="0.7"
 
 # Changelog
+# version 0.7.9   2008/10/08
+#		- add second parameter for destination name (EAPI=2)
+#		- quote more carefully
 # version 0.7.8   2007/07/13
 #		- added option -O to call of emerge when finding mirrors
 #		- replaced some calls of coreutils with bash-internals
@@ -326,13 +329,13 @@
 
 remove() {
 	output "${GREEN}You have chosen to remove ${CYAN}$1\n"
-	pushd ${DISTDIR} >/dev/null 2>&1
+	pushd -- "${DISTDIR}" >/dev/null 2>&1
 	removeme=true
 	for n in $(grep -v "^#" ${DO_NOT_REMOVE})
 	do
        		grep -q $n <<< "$1"  && removeme=false && output "${CYAN}${1}${RED} is not deleted, since it matches ${n} in ${DO_NOT_REMOVE}"
 	done
-	$removeme && rm -f $1
+	$removeme && rm -f -- "$1"
 	popd >/dev/null 2>&1
 }
 
@@ -349,7 +352,7 @@
 			-e "s/src4/srcDDD/g" \
 			-e "s/src5/srcEEE/g" \
 			-e "s/src6/srcFFF/g" \
-			-e "s/src7/srcGGG/g" <<< $MASK_FILENAME)
+			-e "s/src7/srcGGG/g" <<< "$MASK_FILENAME")
 	fi
 	
 	# ignore PR for src-files of firefox
@@ -375,7 +378,7 @@
 		   -e "s/rc//g" \
 		   -e "s/[\._-]//g" \
 		   -e "s/\+//g" \
-		   -e "s/ //g" <<< $MASK_FILENAME)
+		   -e "s/ //g" <<< "$MASK_FILENAME")
 }
 
 # create or update a config-file
@@ -384,6 +387,7 @@
 add_to_configfile LOCAL_MIRROR "" "set this to one or more (space separated) URI ending with '/' if you want to check one or more local mirror(s) first\n# most people just leave it empty."
 add_to_configfile DELTUP_SERVER "http://linux01.gwdg.de/~nlissne/deltup.php" "deltup-server to use"
 add_to_configfile FETCH "/usr/bin/wget -t 1 --passive-ftp" "command to use for downloading"
+add_to_configfile FETCHNAME "$FETCH -O" "command to use for downloading; first parameter is the filename, second the url"
 add_to_configfile QUEUERETRY 15 "number of seconds to wait before a queued request is retried"
 add_to_configfile MAXIMUM_ACCEPTABLE_QUEUEPOS "15" "the maximum queuepos you would accept (if higher download full archive instead)"
 add_to_configfile QUEUETIMEOUT 900 "when a dtu-request is queued - how long should we wait max. before downloading the original archive instead (in seconds)"
@@ -424,14 +428,14 @@
 add_to_donotremove "^rp-pppoe"
 
 
-if [ -z $1 ]
+if [ -z "$1" ]
 then
 	COLOR=true
 	echo -e "${YELLOW}getdelta.sh version ${VERSION}"
 	echo "This script has to be called like this:"
 	echo -e "${CYAN}$0 <URI>"
 	echo -e "\n${YELLOW}To use it, you should just put the following line into your /etc/make.conf"
-	echo -e "${GREEN}FETCHCOMMAND=\"$0 \\\${URI}\""
+	echo -e "${GREEN}FETCHCOMMAND=\"$0 \\\"\\\${URI}\\\" \\\"\\\${FILE}\\\"\""
 	echo -e "\n${YELLOW}There is a config-file ${CYAN}${GETDELTA_CONFIGFILE}${YELLOW} with some variables to control the behaviour of this script."
 	echo -e "Edit it to your needs.${NORMAL}"
 	exit 1
@@ -464,9 +468,10 @@
 	output "use getdelta.sh for your FETCHCOMMAND, only." &&
 	sleep 5 && exit 1
 
-pushd $DISTDIR >/dev/null 2>/dev/null
+pushd -- "$DISTDIR" >/dev/null 2>/dev/null
 ORIG_URI=$1
-NEW_FILE=$(basename $ORIG_URI)
+NEW_FILE=$2
+[ -z "${NEW_FILE}" ] && NEW_FILE=${ORIG_URI##*/}
 
 # repoman downloads metadata.dtd with FETCHCOMMAND
 # this should not be done with getdelta - so just fetch the file and exit
@@ -475,7 +480,7 @@
 # dtu files.
 if [ "${NEW_FILE}" = "metadata.dtd" ] || [ "$GETDELTA" = "0" ]
 then
-	$FETCH $@
+	$FETCHNAME "$NEW_FILE" "$ORIG_URI"
 	exit $?
 fi
 
@@ -516,7 +521,7 @@
 #
 output "${GREEN}Searching for a previously downloaded file in ${YELLOW}${DISTDIR}\n"
 
-first_chars=$(sed 's/[[:digit:]][[:print:]]*$//' <<< $NEW_FILE)
+first_chars=$(sed 's/[[:digit:]][[:print:]]*$//' <<< "$NEW_FILE")
 length_first_chars=${#first_chars}
 [ $length_first_chars -lt 3 ] && first_chars="${NEW_FILE:0:2}"
 
@@ -527,7 +532,7 @@
 let len1=${#mask}
 filelist=""
 
-for name in $( ls ${first_chars}* 2>/dev/null )
+for name in $( ls -- "${first_chars}"* 2>/dev/null )
 do
 	mask2=$(mask_name "${name}")
 	# add any file, that results in the same mask or differ not more than two letters
@@ -582,7 +587,7 @@
 
 	# find matching part of filename - first: frontmatch
 	x=0;
-	a=($NEW_FILE $filelist)
+	a=("$NEW_FILE" $filelist)
 	match=""
 	while [ -z "$match" ]
 	do
@@ -657,7 +662,7 @@
 	FILE_IS_CORRUPT=false
 	if $CHECK_OLD_FILE 
 	then
-		file_digest=$(grep -h ${best_candidate} ${FILESDIR}/digest-* | sed -n 1p)
+		file_digest=$(grep -h ${best_candidate} "${FILESDIR}"/digest-* | sed -n 1p)
 		if [ "$file_digest" ]
 		then
 			file_md5=$(cut -d ' ' -f2 <<< "$file_digest") 
@@ -669,7 +674,7 @@
 				FILE_IS_CORRUPT=true
 			fi
 		else
-			if [ $(rev <<< ${best_candidate} | cut -d. -f2 | rev) = "tar" ]
+			if [ $(rev <<< "${best_candidate}" | cut -d. -f2 | rev) = "tar" ]
 			then
 				output "${YELLOW}Could not find a digest-file for ${CYAN}${best_candidate}${YELLOW}. Testing file integrity with tar.\n"
 				if ! tar -tf ${best_candidate} >/dev/null
@@ -698,10 +703,10 @@
 
 		# Remember where we are, and go to a new dir there we can work
 		tmp_dwn_dest="${DISTDIR}/.getdelta-`date +%N`-tmp"
-		mkdir ${tmp_dwn_dest}
+		mkdir -- "${tmp_dwn_dest}"
 		# If user abort Ctrl+C (signal 2), remove tmp-dir; enabable trap again and send it again to stop wget
-		trap "rm -r ${tmp_dwn_dest}; trap 2; kill -2 $$" 2
-		pushd ${tmp_dwn_dest} >/dev/null 2>&1
+		trap 'rm -r -- "${tmp_dwn_dest}"; trap 2; kill -2 '$$ 2
+		pushd -- "${tmp_dwn_dest}" >/dev/null 2>&1
 
 		# thanks to MATSUI Fe2+ Tetsushi for idea and patch
 		FILESIZE=$(stat -c %s "${DISTDIR}/${best_candidate}")
@@ -761,20 +766,20 @@
 				done
 			fi
 			
-			if [ -f ${best_candidate}-${NEW_FILE}.failed ]
+			if [ -f "${best_candidate}-${NEW_FILE}.failed" ]
 			then
 				output "\n${RED}The server could not build the dtu-file for ${NEW_FILE}\n" 
 				output "${YELLOW}reason:\n${RED}$(cat ${best_candidate}-${NEW_FILE}.failed)\n" 
-				rm -rf ${best_candidate}-${NEW_FILE}.failed
+				rm -rf -- "${best_candidate}-${NEW_FILE}.failed"
 			fi
 
-			if [ -f ${best_candidate}-${NEW_FILE}.dtu ]
+			if [ -f "${best_candidate}-${NEW_FILE}.dtu" ]
 			then
 				output "${GREEN}Successfully fetched the dtu-file - let's build ${NEW_FILE}...\n" 
-				downloadsize=$(stat -c %s  ${best_candidate}-${NEW_FILE}.dtu)
-				if deltup -p -v -D ${DISTDIR} ${best_candidate}-${NEW_FILE}.dtu 
+				downloadsize=$(stat -c %s "${best_candidate}-${NEW_FILE}.dtu")
+				if deltup -p -v -D "${DISTDIR}" "${best_candidate}-${NEW_FILE}.dtu"
 				then 
-					newsize=$(stat -c %s ${NEW_FILE})
+					newsize=$(stat -c %s "${NEW_FILE}")
 					let savedsize=${newsize}-${downloadsize}
 					let percent=${savedsize}*100/${newsize}
 					unit="bytes"
@@ -791,8 +796,8 @@
 					esac
 					output "${YELLOW}This dtu-file saved ${UCOLOR}${savedsize} ${unit} (${percent}%)${YELLOW} download size.\n"
 				fi
-				mv -f ${NEW_FILE} ${DISTDIR} &&
-				${REMOVE_OLD}  && remove "${best_candidate}"
+				mv -f -- "${NEW_FILE}" "${DISTDIR}" &&
+				${REMOVE_OLD}  && remove ${best_candidate}
 			fi
 
 		fi # if $FETCH "${DELTUP_SERVER}${query}"
@@ -812,7 +817,7 @@
 			read
 		fi
 		popd >/dev/null 2>&1
-		rm -rf ${tmp_dwn_dest}
+		rm -rf -- "${tmp_dwn_dest}"
 		#stop respond to trap2
 		trap 2
 	fi # if ! FILE_IS_CORRUPT
@@ -824,10 +829,10 @@
 	
 # Ok, once we are here, we should have got the delta (and used it)
 # or we still have to download the full file
-if ! [ -f ${DISTDIR}/${NEW_FILE} ] 
+if ! [ -f "${DISTDIR}/${NEW_FILE}" ] 
 then
 	output "${RED}The dtu could not be fetched,${YELLOW} downloading full file from original URL\n"
-	$FETCH $ORIG_URI
+	$FETCHNAME "$NEW_FILE" "$ORIG_URI"
 # remember we had a fallback to use correct exitcode for portage
 	FALLBACK=$?
 fi