fix issue with incorrect build status environment variable

.drone.yml

@@ -25,7 +25,7 @@ pipeline:
 
   docker:
     repo: drone/drone
-    tag: [ "0.5.0" ]
+    tag: [ "0.5.0", "0.5" ]
     storage_driver: overlay
     when:
       branch: master

.drone.yml.sig

@@ -1 +1 @@
-eyJhbGciOiJIUzI1NiJ9.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.-HZaIV9mjrgKD51nGKhTocW-LRQBopuALMZQ3cPRB1s
+eyJhbGciOiJIUzI1NiJ9.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.DRNDrxjB7K3Jj5YRf46kj7RyVJUjUdY3p23DZ6E9aZ8

agent/agent.go

@@ -203,7 +203,7 @@ func (a *Agent) exec(spec *yaml.Config, payload *queue.Work, cancel <-chan bool)
 			}
 			// updates the build status passed into each container. I realize this is
 			// a bit out of place and will work to resolve.
-			pipeline.Head().Environment["DRONE_STATUS"] = status
+			pipeline.Head().Environment["DRONE_BUILD_STATUS"] = status
 
 			if !pipeline.Head().Constraints.Match(
 				a.Platform,

drone/agent/agent.go

@@ -169,6 +169,7 @@ func start(c *cli.Context) {
 				drone:  client,
 				docker: docker,
 				config: config{
+					platform:   c.String("docker-os") + "/" + c.String("docker-arch"),
 					timeout:    c.Duration("timeout"),
 					namespace:  c.String("namespace"),
 					privileged: c.StringSlice("privileged"),

drone/agent/exec.go

@@ -51,7 +51,7 @@ func (r *pipeline) run() error {
 		Logger:    agent.NewClientLogger(r.drone, w.Job.ID, rc, wc, r.config.logs),
 		Engine:    engine,
 		Timeout:   r.config.timeout,
-		Platform:  "linux/amd64",
+		Platform:  r.config.platform,
 		Namespace: r.config.namespace,
 		Escalate:  r.config.privileged,
 		Pull:      r.config.pull,