Add some debug logging

Attempting to fix semantic-release#192

lib/publish.js

@@ -68,22 +68,28 @@ module.exports = async (pluginConfig, context) => {
   }
 
   debug('Create a release for git tag %o with commit %o', gitTag, gitHead);
+
+  const json = {
+    /* eslint-disable camelcase */
+    tag_name: gitTag,
+    description: notes && notes.trim() ? notes : gitTag,
+    assets: {
+      links: assetsList.map(({label, alt, url}) => {
+        return {
+          name: label || alt,
+          url: urlJoin(gitlabUrl, repoId, url),
+        };
+      }),
+    },
+    /* eslint-enable camelcase */
+  };
+
+  logger.log('About to POST the following JSON to /releases:');
+  logger.log(JSON.stringify(json, null, 2));
+
   await got.post(urlJoin(gitlabApiUrl, `/projects/${encodedRepoId}/releases`), {
     ...apiOptions,
-    json: {
-      /* eslint-disable camelcase */
-      tag_name: gitTag,
-      description: notes && notes.trim() ? notes : gitTag,
-      assets: {
-        links: assetsList.map(({label, alt, url}) => {
-          return {
-            name: label || alt,
-            url: urlJoin(gitlabUrl, repoId, url),
-          };
-        }),
-      },
-      /* eslint-enable camelcase */
-    },
+    json,
   });
 
   logger.log('Published GitLab release: %s', gitTag);