dsv/dsv: allow -p and -u to be used together

In this case, first the path and then the URL is printed.
Before, you'd either get and error or one of the options would be ignored.

dsv/dsv

@@ -30,7 +30,7 @@ DSV_DIR=.dsv
 
 usage()
 {
-    echo "usage: $0 [-p|-u] <component>" 2>&1
+    echo "usage: $0 [-p] [-u] <component>" 2>&1
     echo "       $0 help" 2>&1
     echo "       $0 [ls]" 2>&1
     echo "       $0 setup <info-file> ..." 2>&1
@@ -158,17 +158,6 @@ search()
 	if [ -d $DSV_DIR ]; then
     	    name=`echo "$1" | sed 's/%/%25/g;s|/|%2F|g'`
 	    if [ -r "$DSV_DIR/dsv-$name" ]; then
-		if $show_url; then
-		    url=`sed 1d "$DSV_DIR/dsv-$name"`
-		    if [ "$url" ]; then
-			echo "$url"
-			exit
-		    else
-			echo "$DSV_DIR/dsv-$name" \
-			  "does not contain an URL - please regenerate" 1>&2
-			exit 1
-		    fi
-		fi
 		file=`sed 1q "$DSV_DIR/dsv-$name"`
 		if [ ! -r "$DSV_DIR/$file" ]; then
 		    echo "$1 -> $file: does not exist" 2>&1
@@ -176,9 +165,19 @@ search()
 		fi
 		if $path; then
 		    echo "`pwd`/$DSV_DIR/$file"
-		else
+		elif ! $show_url; then
 		    ${DSV_VIEWER:-${DSV_PDFVIEWER:-xdg-open}} "$DSV_DIR/$file"
 		fi
+		if $show_url; then
+		    url=`sed 1d "$DSV_DIR/dsv-$name"`
+		    if [ "$url" ]; then
+			echo "$url"
+		    else
+			echo "$DSV_DIR/dsv-$name" \
+			  "does not contain an URL - please regenerate" 1>&2
+			exit 1
+		    fi
+		fi
 		exit
 	    fi
 	fi
@@ -192,14 +191,17 @@ search()
 
 path=false
 show_url=false
-if [ "$1" = -p ]; then
-    path=true
-    shift
-fi
-if [ "$1" = -u ]; then
-    show_url=true
-    shift
-fi
+
+while true; do
+    case "$1" in
+    -p)	path=true
+	shift;;
+    -u)	show_url=true
+	shift;;
+    -*)	usage;;
+    *)	break;;
+    esac
+done
 
 case "$1" in
     help|-*)	usage;;