Import tests from apenwarr/redo and redo.sh

[goredo.git] / t / redo-sh.tests / dependency_rebuild_2 / test

diff --git a/t/redo-sh.tests/dependency_rebuild_2/test b/t/redo-sh.tests/dependency_rebuild_2/test
new file mode 100755 (executable)
index 0000000..044104c
--- /dev/null
+++ b/t/redo-sh.tests/dependency_rebuild_2/test
@@ -0,0 +1,20 @@
+#!/bin/sh -eu
+# A target must be rebuilt when a dependency of a dependency changes.
+>all.do printf 'redo-ifchange a\n'
+>a.do printf 'redo-ifchange b\ndate +%s\n'
+>b.do printf 'redo-ifchange c\ndate +%s\n'
+>c printf '1'
+
+redo
+<a read -r timestamp_a1
+<b read -r timestamp_b1
+
+sleep 1
+>c printf '2'
+
+redo
+<a read -r timestamp_a2
+<b read -r timestamp_b2
+
+test ${timestamp_a2} -gt ${timestamp_a1}
+test ${timestamp_b2} -gt ${timestamp_b1}