travis, build: cocoapods build fixes and travis caches

build/ci.go

@@ -799,7 +799,7 @@ func doXCodeFramework(cmdline []string) {
 	if *deploy != "" {
 		meta := newPodMetadata(env)
 		build.Render("build/pod.podspec", meta.Name+".podspec", 0755, meta)
-		build.MustRunCommand("pod", *deploy, "push", meta.Name+".podspec")
+		build.MustRunCommand("pod", *deploy, "push", meta.Name+".podspec", "--allow-warnings")
 	}
 }
 

build/pod.podspec

@@ -17,6 +17,6 @@ Pod::Spec.new do |spec|
     curl https://gethstore.blob.core.windows.net/builds/geth-ios-all-{{.Version}}.tar.gz | tar -xvz
     mkdir Frameworks
     mv geth-ios-all-{{.Version}}/Geth.framework Frameworks
-    rm geth-ios-all-{{.Version}}
+    rm -rf geth-ios-all-{{.Version}}
   CMD
 end