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-rw-r--r--dependency-loop/all.do6
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diff --git a/dependency-loop/all.do b/dependency-loop/all.do
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+++ b/dependency-loop/all.do
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+#!/bin/sh
+if timeout 1 redo-ifchange a; then
+ echo 'PASS: limited recursion' >&2
+else
+ echo 'FAIL: unlimited recursion' >&2
+fi