Create UPM compliant packages in releases (#385)

* Enable UPM packages to be generated in releases

* Travis OSX package should already contain zip package

* Remove draft=true for releases deployment

.gitignore

@@ -150,3 +150,6 @@ _pkginfo.txt
 !*.[Cc]ache/
 
 *.orig
+
+# Current_Package folder
+current-package/

.travis.yml

@@ -5,12 +5,16 @@ install:
 - sudo python2 ./scripts/install-unity.py --package Unity 2017.1.1f1
 before_script:
 - sudo chmod -R a+rwx /Applications/Unity
+- sudo chmod +x ./scripts/export-upm-package.sh
 script:
 - msbuild ./GLTFSerialization/GLTFSerialization.sln /t:GLTFSerialization /p:TargetFramework=net35
+- "./scripts/export-upm-package.sh"
 - "./scripts/export-unity-package.sh"
 deploy:
   provider: releases
-  file: "./current-package/UnityGLTF.unitypackage"
+  file: 
+  - "./current-package/UnityGLTF.unitypackage"
+  - "./current-package/org.khronos.UnityGLTF.zip"
   skip_cleanup: true
   on:
     repo: KhronosGroup/UnityGLTF

scripts/export-upm-package.sh

@@ -0,0 +1,41 @@
+#! /bin/sh
+
+project_path=$(pwd)/UnityGLTF
+log_file=$(pwd)/build/unity-mac.log
+
+cached_folder=$(pwd)
+upm_name=org.khronos.UnityGLTF
+upm_src_folder_path=$(pwd)/UnityGLTF/Assets/UnityGLTF
+upm_manifest_path=$(pwd)/scripts/package.json
+upm_staging_path=$(pwd)/current-package/$upm_name
+upm_zip_export_path=$(pwd)/current-package/$upm_name.zip
+upm_targz_export_path=$(pwd)/current-package/$upm_name.tar.gz
+
+error_code=0
+echo $upm_name
+echo $upm_src_folder_path
+echo $upm_manifest_path
+echo $upm_staging_path
+
+echo "Creating package folder"
+mkdir $upm_staging_path
+echo "Copying package.json"
+cp $upm_manifest_path $upm_staging_path
+
+echo "Copying package contents from $upm_src_folder_path"
+cp -r $upm_src_folder_path $upm_staging_path
+
+echo "Changing to $upm_staging_path folder"
+cd $upm_staging_path
+
+echo "Creating .zip of UPM package"
+sudo zip -r $upm_zip_export_path ./
+
+echo "Creating .tar.gz of UPM package"
+tar -zcvf $upm_targz_export_path ./
+
+echo "Changing back to original folder $cached_folder"
+cd $cached_folder
+
+echo "Finishing with code $error_code"
+exit $error_code

scripts/package.json

@@ -0,0 +1,15 @@
+{
+	"name": "org.khronos.unitygltf",
+	"displayName": "Khronos GLTF Loader",
+	"version": "1.0.0",
+	"unity": "2018.3",
+	"description": "Unity3D library for importing and exporting GLTF 2.0 assets. https://github.com/KhronosGroup/UnityGLTF",
+	"keywords": [
+		"gltf",
+		"khronos",
+		"runtime",
+		"loader"
+	],
+	"author": "Khronos Group",
+	"dependencies": {}
+}