add checksumming script for release checks

diff --git a/checksums.sh b/checksums.sh
new file mode 100755 (executable)
index 0000000..ce7a0ac
--- /dev/null
+++ b/checksums.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# Helper Script to check on Archive integrity
+#
+# Once the distribution is complete this is used with the index file
+# to check its integrity and the checksums of all archives.
+
+if test $# -lt 1 ; then
+        echo Usage: $0 archive-xmlfile [GPG-homedir]
+        exit 1
+fi
+
+if test $# -ge 2 ; then
+        gpg --batch --homedir $2 --verify $1.asc $1
+        echo
+fi
+
+grep '<Archive' $1 |cut -d \< -f 2 |cut -d \> -f 1 | while read line ; do
+ for i in $line ; do
+   echo $i|grep -q ^sha256 && SHA=`echo $i|cut -d \" -f 2`
+   echo $i|grep -q ^name && NAME=`echo $i|cut -d \" -f 2`
+ done
+ SHA2=`sha256sum $NAME|cut -d " " -f 1`
+ if test $SHA = $SHA2 ; then
+  echo GOOD $NAME $SHA
+ else
+  echo BAD $NAME
+  echo "  file:" $SHA2
+  echo "   sig:" $SHA
+ fi
+done
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