From 04f04dc0a0aa8a1c27a0ea6a5290f9d3270eec30 Mon Sep 17 00:00:00 2001
From: Nils Dagsson Moskopp <nils@dieweltistgarnichtso.net>
Date: Fri, 19 Sep 2014 18:23:31 +0200
Subject: + stamp

---
 stamp/a.do   |  4 ++++
 stamp/all.do | 24 ++++++++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 stamp/a.do
 create mode 100644 stamp/all.do

diff --git a/stamp/a.do b/stamp/a.do
new file mode 100644
index 0000000..1939c6b
--- /dev/null
+++ b/stamp/a.do
@@ -0,0 +1,4 @@
+#!/bin/sh
+md5sum b | redo-stamp
+sleep 1
+date +%s
diff --git a/stamp/all.do b/stamp/all.do
new file mode 100644
index 0000000..d091f5e
--- /dev/null
+++ b/stamp/all.do
@@ -0,0 +1,24 @@
+#!/bin/sh
+echo 1 > b
+redo-ifchange a
+read a1 <a
+
+echo 2 > b
+redo-ifchange a
+read a2 <a
+
+echo 1 > b
+redo-ifchange b
+read a3 <a
+
+if [ $a1 -lt $a2 ]; then
+  echo 'PASS: a1 < a2' >&2
+else
+  echo 'FAIL: a1 > a2' >&2
+fi
+
+if [ $a2 -eq $a3 ]; then
+  echo 'PASS: a2 = a3' >&2
+else
+  echo 'FAIL: a2 != a3' >&2
+fi
-- 
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