From feed07e16ff73c5f0b25f2ceb4c08177b5c0e3af Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 9 Jul 2020 14:39:33 +0200
Subject: Make sure update-for-{test,install} works for files out of any
 project

---
 libbuild2/test/init.cxx | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'libbuild2/test')

diff --git a/libbuild2/test/init.cxx b/libbuild2/test/init.cxx
index 7a07e76..02d0a42 100644
--- a/libbuild2/test/init.cxx
+++ b/libbuild2/test/init.cxx
@@ -208,8 +208,18 @@ namespace build2
       {
         default_rule& dr (m);
 
-        rs.insert_rule<target> (perform_test_id, "test", dr);
-        rs.insert_rule<alias>  (perform_test_id, "test", dr);
+        // Note: register for mtime_target to take priority over the fallback
+        // rule below.
+        //
+        rs.insert_rule<target>       (perform_test_id, "test", dr);
+        rs.insert_rule<mtime_target> (perform_test_id, "test", dr);
+        rs.insert_rule<alias>        (perform_test_id, "test", dr);
+
+        // Register the fallback file rule for the update-for-test operation,
+        // similar to update.
+        //
+        rs.global_scope ().insert_rule<mtime_target> (
+          perform_test_id, "file", file_rule::instance);
       }
 
       return true;
-- 
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