From c6bd4d06aaa25c91d047d862ac830fa1c89aecfc Mon Sep 17 00:00:00 2001
From: Luca Favatella <luca.favatella@erlang-solutions.com>
Date: Fri, 7 Apr 2017 17:11:57 +0100
Subject: [PATCH 1/2] Test rebar3 - in addition to the already tested rebar 2

Also test recent OTP.
---
 .travis.yml | 10 ++++++++++
 ci          | 30 ++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100755 ci

diff --git a/.travis.yml b/.travis.yml
index 955c0d8..c1beab2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,16 @@ notifications:
   webhooks: http://basho-engbot.herokuapp.com/travis?key=92c392ada1e45ef632b5df7cf7104e914a3fa999
   email: eng@basho.com
 otp_release:
+  - 19.2
   - R16B02
   - R15B01
   - R15B
+env:
+  - REBAR_V=2
+  - REBAR_V=3
+before_install:
+  - ./ci before_install "${REBAR_V:?}"
+install:
+  - ./ci install "${REBAR_V:?}"
+script:
+  - ./ci script "${REBAR_V:?}"
diff --git a/ci b/ci
new file mode 100755
index 0000000..4ff3435
--- /dev/null
+++ b/ci
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+set -ev # Ref https://docs.travis-ci.com/user/customizing-the-build/#Implementing-Complex-Build-Steps
+
+case "${1:?}-${2:?}" in
+    before_install-2)
+        rebar version
+        ;;
+    before_install-3)
+        ## Travis CI does not support rebar3 yet. See https://github.com/travis-ci/travis-ci/issues/6506#issuecomment-275189490
+        curl -f -L -o ./rebar3 https://github.com/erlang/rebar3/releases/download/3.3.6/rebar3
+        chmod +x ./rebar3
+        ./rebar3 version
+        ;;
+    install-2)
+        rebar get-deps
+        ;;
+    install-3)
+        ./rebar3 deps
+        ;;
+    script-2)
+        rebar compile
+        rebar eunit
+        ;;
+    script-3)
+        ./rebar3 compile
+        ./rebar3 eunit
+        ./rebar3 dialyzer
+        ;;
+esac

From 0b105b64dea37a794b0bb1ed73205199f5e0858c Mon Sep 17 00:00:00 2001
From: Luca Favatella <luca.favatella@erlang-solutions.com>
Date: Wed, 12 Apr 2017 11:02:11 +0100
Subject: [PATCH 2/2] Show issue with native code compilation in rebar3

See also https://github.com/esl/MongooseIM/blob/2.1.0beta1/rebar.config#L117-L120
---
 ci | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ci b/ci
index 4ff3435..f636e23 100755
--- a/ci
+++ b/ci
@@ -20,10 +20,12 @@ case "${1:?}-${2:?}" in
         ;;
     script-2)
         rebar compile
+        test 1 -le $(find . -name syslog_drv.so | wc -l)
         rebar eunit
         ;;
     script-3)
         ./rebar3 compile
+        test 1 -le $(find . -name syslog_drv.so | wc -l)
         ./rebar3 eunit
         ./rebar3 dialyzer
         ;;