Import macOS dev id certificate in TravisCI.

.travis.macos.import_certificate.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+#Source: https://github.com/rllola/electron-example/blob/master/add-osx-cert.sh
+
+set -e
+
+KEY_CHAIN=build.keychain
+CERTIFICATE_P12=certificate.p12
+
+# Recreate the certificate from the secure environment variable
+echo $MACOS_DEVID_CERTIFICATE | base64 --decode > $CERTIFICATE_P12
+
+#create a keychain
+security create-keychain -p travis $KEY_CHAIN
+
+# Make the keychain the default so identities are found
+security default-keychain -s $KEY_CHAIN
+
+# Unlock the keychain
+security unlock-keychain -p travis $KEY_CHAIN
+
+security import $CERTIFICATE_P12 -k $KEY_CHAIN -P $MACOS_DEVID_CERTIFICATE_PASSWORD -T /usr/bin/codesign;
+
+security set-key-partition-list -S apple-tool:,apple: -s -k travis $KEY_CHAIN
+
+# remove certs
+rm -fr *.p12

.travis.sh

@@ -28,6 +28,7 @@ travis_before_install()
         sudo apt-get update -y
         sudo apt-get install -y clang-format-6.0
     elif [ "$TARGET_OS" = "OSX" ]; then
+        ./.travis.macos.import_certificate.sh
         npm install -g appdmg
         curl -L --show-error --output vulkansdk.tar.gz https://vulkan.lunarg.com/sdk/download/${VULKAN_SDK_VERSION}/mac/vulkansdk-macos-${VULKAN_SDK_VERSION}.tar.gz?Human=true
         tar -zxf vulkansdk.tar.gz