diff --git a/tools/verify-all-heads.sh b/tools/verify-all-heads.sh
new file mode 100755
index 0000000000..20621105fd
--- /dev/null
+++ b/tools/verify-all-heads.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+for b in `hg branches | cut -f 1 -d ' '` ; do
+    hg co $b || break
+    echo Verifying $b
+    $(dirname $0)/bisect-find-bad.sh > /dev/null || break
+    echo $b Verified.
+done