Install coreutils on osx to produce SHA256

Ref #819

Author: autozimu

ci/before_deploy.sh

@@ -1,4 +1,8 @@
-set -ex
+#!/bin/bash
+
+set -o nounset
+set -o errexit
+set -o xtrace
 
 package() {
     BIN_NAME_TAG=$CRATE_NAME-$TRAVIS_TAG-$TARGET
@@ -16,7 +20,7 @@ release_tag() {
     git config --global user.email "[email protected]"
     git config --global user.name "Travis CI"
 
-    git add --force bin/$BIN_NAME
+    git add --force bin/$BIN_NAME{,.sha256}
     SHA=$(git rev-parse --short HEAD)
     git commit --message "Add binary. $SHA. $TRAVIS_TAG-$TARGET."
     tagname="binary-$TRAVIS_TAG-$TARGET"
@@ -26,6 +30,11 @@ release_tag() {
     git reset --hard HEAD^
 }
 
+if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
+    brew update && brew install coreutils && \
+        export PATH="/usr/local/opt/coreutils/libexec/gnubin:$PATH"
+fi
+
 TARGETS=(${TARGETS//:/ })
 for TARGET in "${TARGETS[@]}"; do
     BIN_NAME=$CRATE_NAME

ci/script.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 
 set -o nounset
 set -o errexit

tests/test.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 
 set -o xtrace
 

tests/wrapper-server.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 # Tee server stdio into log file.
 
 if test -z "$TMP"; then