travis: move checks into script

This makes error handling easier and more robust:
https://docs.travis-ci.com/user/job-lifecycle#complex-build-commands

.travis.yml

@@ -216,69 +216,7 @@ matrix:
           packages:
             - *packages-without-nssnspr
 
-script:
-  - |
-    sh ./autogen.sh
-
-    if [[ "${NO_UNITTESTS}" != "yes" ]]; then
-        ARGS="${ARGS} --enable-unittests"
-    fi
-
-    if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
-        export CFLAGS="${CFLAGS} ${EXTRA_CFLAGS}"
-        if ! ./configure --enable-nfqueue --enable-hiredis ${ARGS}; then
-            if [[ "${CONFIGURE_SHOULD_FAIL}" = "yes" ]]; then
-                EXIT_CODE=0
-            else
-                EXIT_CODE=1
-            fi
-        fi
-    elif [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
-        export CFLAGS="${CFLAGS} ${EXTRA_CFLAGS}"
-        ./configure --enable-hiredis --enable-ipfw \
-            --enable-lua --with-libpcre-includes=/usr/local/include \
-            --with-libpcre-includes=/usr/local/include \
-            --with-libpcre-libraries=/usr/local/lib \
-            --with-libnss-includes=/usr/local/opt/nss/include/nss \
-            --with-libnss-libraries=/usr/local/opt/nss/lib \
-            --with-libnspr-includes=/usr/local/opt/nspr/include/nspr \
-            --with-libnspr-libraries=/usr/local/opt/nspr/lib ${ARGS}
-    fi
-
-    if [[ "${EXIT_CODE}" ]]; then
-        exit "${EXIT_CODE}"
-    fi
-
-    # Linux container builds have 2 cores, make use of them.
-    if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
-        j="-j 2"
-    fi
-    make ${j}
-
-    # Like "make check", but fail on first error. We redirect the output
-    # so Travis doesn't fail the build with a too much output error.
-    if [[ "${NO_UNITTESTS}" != "yes" ]]; then
-        mkdir -p ./qa/log
-        ./src/suricata -u -l ./qa/log --fatal-unittests > unittests.log 2>&1
-        if [[ $? -ne 0 ]]; then
-            echo "Unit tests failed, last 500 lines of output are:"
-            tail -n 500 unittests.log
-            exit 1
-        fi
-    fi
-
-    (cd qa/coccinelle && make check)
-
-    if [[ "$DO_DISTCHECK" == "yes" ]]; then
-        make distcheck DISTCHECK_CONFIGURE_FLAGS="${ARGS}"
-    fi
-
-    if [[ "$DO_CHECK_SETUP_SCRIPTS" == "yes" ]]; then
-        (cd scripts && ./check-setup.sh)
-    fi
-
-    git clone https://github.com/OISF/suricata-verify.git verify
-    python ./verify/run.py
+script: ./qa/travis.sh
 
 before_install:
   - export PATH=$HOME/.cargo/bin:$PATH

qa/travis.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+set -ev
+
+./autogen.sh
+
+if [[ "${NO_UNITTESTS}" != "yes" ]]; then
+    ARGS="${ARGS} --enable-unittests"
+fi
+
+if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+    export CFLAGS="${CFLAGS} ${EXTRA_CFLAGS}"
+    if ! ./configure --enable-nfqueue --enable-hiredis ${ARGS}; then
+        if [[ "${CONFIGURE_SHOULD_FAIL}" = "yes" ]]; then
+           EXIT_CODE=0
+        else
+           EXIT_CODE=1
+        fi
+    fi
+elif [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
+    export CFLAGS="${CFLAGS} ${EXTRA_CFLAGS}"
+    ./configure --enable-hiredis --enable-ipfw \
+        --enable-lua --with-libpcre-includes=/usr/local/include \
+        --with-libpcre-includes=/usr/local/include \
+        --with-libpcre-libraries=/usr/local/lib \
+        --with-libnss-includes=/usr/local/opt/nss/include/nss \
+        --with-libnss-libraries=/usr/local/opt/nss/lib \
+        --with-libnspr-includes=/usr/local/opt/nspr/include/nspr \
+        --with-libnspr-libraries=/usr/local/opt/nspr/lib ${ARGS}
+fi
+
+if [[ "${EXIT_CODE}" ]]; then
+   exit "${EXIT_CODE}"
+fi
+
+# Linux container builds have 2 cores, make use of them.
+if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+    j="-j 2"
+fi
+make ${j}
+
+# Like "make check", but fail on first error. We redirect the output
+# so Travis doesn't fail the build with a too much output error.
+if [[ "${NO_UNITTESTS}" != "yes" ]]; then
+    set +e # disable
+    mkdir -p ./qa/log
+    ./src/suricata -u -l ./qa/log --fatal-unittests > unittests.log 2>&1
+    if [[ $? -ne 0 ]]; then
+        echo "Unit tests failed, last 500 lines of output are:"
+        tail -n 500 unittests.log
+        exit 1
+    fi
+    set -e
+fi
+
+(cd qa/coccinelle && make check)
+
+if [[ "$DO_DISTCHECK" == "yes" ]]; then
+    make distcheck DISTCHECK_CONFIGURE_FLAGS="${ARGS}"
+fi
+
+if [[ "$DO_CHECK_SETUP_SCRIPTS" == "yes" ]]; then
+    (cd scripts && ./check-setup.sh)
+fi
+
+git clone https://github.com/OISF/suricata-verify.git verify
+python ./verify/run.py