Report error if missing configurations.

refs skygragon#13

Signed-off-by: Eric Wang <skygragon@gmail.com>

Author: skygragon

plugins/cpp.lint.js

@@ -17,6 +17,10 @@ var DEFAULT_FLAGS = [
 ];
 
 plugin.testProblem = function(problem, cb) {
+  // TODO: unify error handling
+  if (!plugin.config.bin)
+    return log.error('cpplint.py not configured correctly! (plugins:cpp.lint:bin)');
+
   var flags = DEFAULT_FLAGS.concat(plugin.config.flags || []);
 
   var cmd = [

plugins/github.js

@@ -17,6 +17,12 @@ var plugin = new Plugin(100, 'github', '2018.03.24',
 var ctx = {};
 
 plugin.submitProblem = function(problem, cb) {
+  // TODO: unify error handling
+  if (!plugin.config.repo)
+    return log.error('GitHub repo not configured correctly! (plugins:github:repo)');
+  if (!plugin.config.token)
+    return log.error('GitHub token not configured correctly! (plugins:github:token)');
+
   var parts = url.parse(plugin.config.repo).pathname.split('/');
   var filename = path.basename(problem.file);
   parts.push(filename);