travis: move build script to a separate script and improve debugging for failed tests

.travis.yml

@@ -7,4 +7,4 @@ before_install:
   - sudo apt-add-repository 'deb http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse'
   - sudo apt-get update
   - sudo apt-get install libnl-3-dev libndp-dev automake
-script: "sh autogen.sh --with-systemd-logind=no --enable-more-warnings=no && make -j6 && make -k check"
+script: "./contrib/travis/travis-run.sh"

contrib/travis/travis-run.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+set -ev
+
+print_test_logs() {
+    echo ">>>> PRINT TEST LOGS $1 (start)"
+    find -regex '.*/tests/[^/]+.log$' -exec sh -c 'echo ">>>>> LOGFILE $1"; cat "$1"' '--' '{}' ';'
+    echo ">>>> PRINT TEST LOGS $1 (done)"
+}
+
+sh ./autogen.sh \
+    --with-systemd-logind=no \
+    --enable-more-warnings=no
+
+make -j6
+
+if ! make check -k ; then
+
+    print_test_logs "first-test"
+
+    echo ">>>> RUN SECOND TEST (start)"
+    NMTST_DEBUG=TRACE,no-expect-messages make check -k || :
+    echo ">>>> RUN SECOND TEST (done)"
+
+    print_test_logs "second-test"
+
+    exit 57
+fi
+