binary release for osx (#2027)

* a dedicated test suit for mac binary release

* Moved `matrix:` at the root

.travis.yml

@@ -3,10 +3,6 @@ language: rust
 git:
   depth: false
 
-os:
-  - linux
-#  - osx
-
 dist: trusty
 sudo: required
 
@@ -37,24 +33,30 @@ addons:
       - gcc
       - binutils-dev
 
-before_install:
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update       ; fi
-
 env:
   global:
     - RUST_BACKTRACE="1"
     - RUST_FLAGS="-C debug-assertions"
+
 matrix:
-  - TEST_SUITE=servers
-  - TEST_SUITE=chain-core
-  - TEST_SUITE=pool-p2p
-  - TEST_SUITE=keychain-wallet
-  - TEST_SUITE=api-util-store
+  include:
+    - os: linux
+      env: TEST_SUITE=servers
+    - os: linux
+      env: TEST_SUITE=chain-core
+    - os: linux
+      env: TEST_SUITE=pool-p2p
+    - os: linux
+      env: TEST_SUITE=keychain-wallet
+    - os: linux
+      env: TEST_SUITE=api-util-store
+    - os: osx
+      env: TEST_SUITE=release
 
 script:
   - IFS='-' read -r -a DIRS <<< "$TEST_SUITE"; DIR=${DIRS[0]};
     echo "start testing on folder $DIR...";
-    if [[ -n "$DIR" ]];  then cd $DIR && cargo test --release && cd - > /dev/null; fi;
+    if [[ -n "$DIR" ]] && [[ "$TRAVIS_OS_NAME" == "linux" ]];  then cd $DIR && cargo test --release && cd - > /dev/null; fi;
   - IFS='-' read -r -a DIRS <<< "$TEST_SUITE"; DIR=${DIRS[1]};
     if [[ -n "$DIR" ]];  then
       echo "start testing on folder $DIR...";
@@ -70,6 +72,10 @@ before_deploy:
   - if [[ "$TEST_SUITE" == "pool-p2p" ]]; then
       cargo clean && cargo build --release && ./.auto-release.sh;
     fi
+  - if [[ "$TEST_SUITE" == "release" ]]  && [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
+      brew update;
+      cargo clean && cargo build --release && ./.auto-release.sh;
+    fi
 
 deploy:
   provider: releases
@@ -81,6 +87,3 @@ deploy:
   on:
     repo: mimblewimble/grin
     tags: true
-    condition: $TEST_SUITE = "pool-p2p"
-
-