Improve git-slurp message

dotfiles/gittum/bin/slurp

@@ -9,6 +9,15 @@ test -f .git-slurp-ok || {
     exit 2
 }
 
+mkmsg() {
+    #
+    # Create the slurp message
+    #
+    local host=$(hostname)
+    local date=$(date -Isec)
+    echo "WIP slurp, $date at $host"
+}
+
 git add .
-git commit -m "WIP slurp $(date -Isec)"
+git commit -m "$(mkmsg)"
 git push