From 3b654eb5c8996cbe510ff4a4915ba4142aa5785b Mon Sep 17 00:00:00 2001
From: Paul Hebble <pjhebble@gmail.com>
Date: Mon, 21 Jan 2019 21:00:50 -0600
Subject: [PATCH] Get license from GitHub

---
 Netkan/Sources/Github/GithubRepo.cs      | 9 +++++++++
 Netkan/Transformers/GithubTransformer.cs | 5 +++++
 Spec.md                                  | 1 +
 3 files changed, 15 insertions(+)

diff --git a/Netkan/Sources/Github/GithubRepo.cs b/Netkan/Sources/Github/GithubRepo.cs
index 0f13baf20c..967a3f07c4 100644
--- a/Netkan/Sources/Github/GithubRepo.cs
+++ b/Netkan/Sources/Github/GithubRepo.cs
@@ -18,5 +18,14 @@ public sealed class GithubRepo
 
         [JsonProperty("homepage")]
         public string Homepage { get; set; }
+
+        [JsonProperty("license")]
+        public GithubLicense License { get; set; }
+    }
+
+    public class GithubLicense
+    {
+        [JsonProperty("spdx_id")]
+        public string Id;
     }
 }
diff --git a/Netkan/Transformers/GithubTransformer.cs b/Netkan/Transformers/GithubTransformer.cs
index 01ca4f87d2..6741a6a8a4 100644
--- a/Netkan/Transformers/GithubTransformer.cs
+++ b/Netkan/Transformers/GithubTransformer.cs
@@ -66,6 +66,11 @@ public Metadata Transform(Metadata metadata)
                 if (!string.IsNullOrWhiteSpace(ghRepo.Description))
                     json.SafeAdd("abstract", ghRepo.Description);
 
+                // GitHub says NOASSERTION if it can't figure out the repo's license
+                if (!string.IsNullOrWhiteSpace(ghRepo.License?.Id)
+                    && ghRepo.License.Id != "NOASSERTION")
+                    json.SafeAdd("license", ghRepo.License.Id);
+
                 if (!string.IsNullOrWhiteSpace(ghRepo.Homepage))
                     resourcesJson.SafeAdd("homepage", ghRepo.Homepage);
 
diff --git a/Spec.md b/Spec.md
index 011f55797e..b6b6259528 100644
--- a/Spec.md
+++ b/Spec.md
@@ -648,6 +648,7 @@ For example: `#/ckan/github/pjf/DogeCoinFlag`.
 When used, the following fields will be auto-filled if not already present:
 
 - `name`
+- `license`
 - `abstract`
 - `author`
 - `version`