tools/grab_md5: Make arch handling more generic - instead of having to

list all arches, allow a wildcard and then check for lack of
Packages.gz files

debian/changelog

@@ -20,9 +20,13 @@ debian-cd (3.1.6) UNRELEASED; urgency=low
     Closes: #622622
   * update the URL for downloading i386 d-i dailies.
   * update the URL for downloading armel d-i dailies.
-  * tools/grab_md5: Improve Packages and Sources file parsing; cope with
-    differently-formed files that are still valid (don't assume field
-    ordering). Switch from awk to perl makes things much faster too!
+  * tools/grab_md5:
+    + Improve Packages and Sources file parsing;
+    + Cope with differently-formed files that are still valid (don't assume field
+      ordering).
+    + Switch from awk to perl makes things much faster too!
+    + Make arch handling more generic - instead of having to list all
+      arches, allow a wildcard and then check for lack of Packages.gz files
 
   [ Aurelien Jarno ]
   * Add support for hurd-i386. Closes: #619211

tools/grab_md5

@@ -49,10 +49,15 @@ do
                     }
                 }' | sort | uniq >> $OUT
             ;;
-        alpha|amd64|arm|armel|hppa|i386|ia64|m68k|mips|mipsel|powerpc|s390|sparc|kfreebsd-amd64|kfreebsd-i386|hurd-i386)
+        *)
             FILES=`find $LOCATIONS -name Packages.gz | grep binary-$ARCH`
             echo "Using MD5 sums from Packages files:"
             echo $FILES
+            NUM_FILES=`echo $FILES | wc -w`
+            if [ $NUM_FILES -eq 1 ] ; then
+                echo "No files found for arch $ARCH. Abort!"
+                exit 1
+            fi
             zcat -f $FILES | MIRROR=$MIRROR perl -ne '
                 chomp;
                 my $mirror = $ENV{"MIRROR"};
@@ -91,10 +96,6 @@ do
                  fi
             done
             ;;             
-        *)
-            echo "Unknown arch/source $ARCH!"
-            exit 1
-            ;;
     esac
 done