testing/infra/builder: dump defconfig to log

The defconfig is composed on-the-fly by test infra + tests.

Dump it to the logfile before running 'make olddefconfig' so it can
easily analysed when debugging.

Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Cc: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/support/testing/infra/builder.py b/support/testing/infra/builder.py
index a475bb0a3021b1c8d173cc75f9fe2bc0a6eaab67..905b127c91d7145ac2ff543fa7e4314b54211f6e 100644 (file)
--- a/support/testing/infra/builder.py
+++ b/support/testing/infra/builder.py
@@ -17,6 +17,10 @@ class Builder(object):
         config_file = os.path.join(self.builddir, ".config")
         with open(config_file, "w+") as cf:
             cf.write(self.config)
+        # dump the defconfig to the logfile for easy debugging
+        self.logfile.write("> start defconfig\n" + self.config +
+                           "> end defconfig\n")
+        self.logfile.flush()
 
         cmd = ["make",
                "O={}".format(self.builddir),