sde-download: cleaned and removed bashisms

bin/sde-download

@@ -3,7 +3,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: bin/sde-download
-# Copyright (C) 2006 - 2008 The OpenSDE Project
+# Copyright (C) 2006 - 2009 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2003 Clifford Wolf
 #
@@ -229,6 +229,19 @@ detect_mirror() {
 	fi
 }
 
+download_file_desc() {
+	sed -n -e 's|^\[D\][ \t]\+||p' "package/$1/$2/$2.desc" |
+		download_file_pipe "$1" "$2"
+}
+
+download_file_pipe() {
+	local filename=
+	while read cksum file url; do
+		filename=$(source_file cksum $file "$url")
+		download_file "$filename" "$url" "$cksum" "$@"
+	done
+}
+
 # download_file local-filename download-location cksum repo pkg
 #
 # This function decides if download directly or from a mirror,
@@ -677,10 +690,7 @@ required() {
 
     while read on a b repo pkg c ; do
 	if [ "$on" = "X" ] ; then
-	    grep -H '^\[D\] ' package/$repo/$pkg/$pkg.desc > tmp/down.$$.lst
-	    while read tag cksum file url ; do
-		download_file "`source_file cksum $file "$url"`" "$url" "$cksum" "$repo" "$pkg"
-	    done < tmp/down.$$.lst ; rm -f tmp/down.$$.lst
+	    download_file_desc "$repo" "$pkg"
 	fi
     done < config/$config/packages
 
@@ -693,11 +703,9 @@ required() {
     done
 
     for target in $targetchain; do
-    if [ -f target/$target/download.txt ] ; then
-	while read cksum file url ; do
-	    download_file "`source_file cksum $file "$url"`" "$url" "$cksum" "$target"
-	done < target/$target/download.txt
-    fi
+        if [ -f target/$target/download.txt ] ; then
+            download_file_pipe "$target" < target/$target/download.txt
+        fi
     done
 }
 
@@ -708,18 +716,14 @@ all() {
 	for each in package/$repo/*/*.desc; do
 		pkg="`echo $each | cut -f3 -d/`"
 
-		while read tag cksum file url ; do
-		    download_file "`source_file cksum $file "$url"`" "$url" "$cksum" "$repo" "$pkg"
-		done < <(grep -H '^\[D\] ' package/$repo/$pkg/$pkg.desc)
+		download_file_desc "$repo" "$pkg"
 	done
     done
 
     for each in $( ls -1 target/*/download.txt 2> /dev/null ); do
 	target="`echo $each | cut -f2 -d/`"
 
-	while read cksum file url ; do
-	    download_file "`source_file cksum $file "$url"`" "$url" "$cksum" "$target"
-	done < <(cat $each)
+	download_file_pipe "$target" < "$each"
     done
 }
 
@@ -734,9 +738,7 @@ package() {
 	pkg="`echo $descfile | cut -f3 -d/`"
 	repo="`echo $descfile | cut -f2 -d/`"
 
-	while read tag cksum file url ; do
-		download_file "`source_file cksum $file "$url"`" "$url" "$cksum" "$repo" "$pkg"
-	done < <(grep -H '^\[D\] ' package/$repo/$pkg/$pkg.desc)
+	download_file_desc "$repo" "$pkg"
 }
 
 packages() {
@@ -751,9 +753,7 @@ packages() {
 
 			target="`echo $arg | cut -f2 -d/`"
 
-			while read cksum file url ; do
-			    download_file "`source_file cksum $file "$url"`" "$url" "$cksum" "$target"
-			done < <(cat $arg)
+			download_file_pipe "$target" < "$arg"
 			;;
 		*)
 			if [ "${arg%.desc}" != "$arg" ]; then