new file mode 100644
--- /dev/null
+++ b/tools/converttags.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+# This shell script exists to convert hgsubversion tags to real hg tags.
+# This will go away once hgsubversion's tags handling uses .hgtags directly.
+hg tags | sed -E 's/([a-zA-Z0-9./_-]*) [^:]*:([a-f0-9]*)/\2 \1/' | grep -v ' tip$' > .hgtags
+cat .hgtags | sed "$(
+for x in `cat .hgtags| cut -f 1 -d ' '` ;do
+    echo -n "s/$x/" ; hg log --template '{node}' -r $x ; echo -n '/g; '
+done)" > .hgtags.new
+mv .hgtags.new .hgtags