fix: warn on unknown server

See toolshed/abra#581

pkg/app/app.go

@@ -426,7 +426,9 @@ func GetAppStatuses(apps []App, MachineReadable bool) (map[string]map[string]str
 	for server := range servers {
 		cl, err := client.New(server)
 		if err != nil {
-			return statuses, err
+			log.Warn(err)
+			ch <- stack.StackStatus{}
+			continue
 		}
 
 		go func(s string) {

tests/integration/app_list.bats

@@ -11,6 +11,12 @@ teardown_file(){
   _undeploy_app
   _rm_app
   _rm_server
+
+  if [[ -d "$ABRA_DIR/servers/foo" ]]; then
+    run rm -rf "$ABRA_DIR/servers/foo"
+    assert_success
+    assert_not_exists "$ABRA_DIR/servers/foo"
+  fi
 }
 
 setup(){
@@ -21,6 +27,12 @@ setup(){
 teardown(){
   _reset_recipe
   _undeploy_app
+
+  if [[ -d "$ABRA_DIR/servers/foo" ]]; then
+    run rm -rf "$ABRA_DIR/servers/foo"
+    assert_success
+    assert_not_exists "$ABRA_DIR/servers/foo"
+  fi
 }
 
 @test "list without status" {
@@ -137,3 +149,20 @@ teardown(){
   assert_success
   assert_not_exists "$ABRA_DIR/servers/foo.com"
 }
+
+@test "list with status skips unknown servers" {
+  if [[ ! -d "$ABRA_DIR/servers/foo" ]]; then
+    run mkdir -p "$ABRA_DIR/servers/foo"
+    assert_success
+    assert_exists "$ABRA_DIR/servers/foo"
+
+    run cp "$ABRA_DIR/servers/$TEST_SERVER/$TEST_APP_DOMAIN.env" \
+           "$ABRA_DIR/servers/foo/$TEST_APP_DOMAIN.env"
+    assert_success
+    assert_exists "$ABRA_DIR/servers/foo/$TEST_APP_DOMAIN.env"
+  fi
+
+  run $ABRA app ls --status
+  assert_success
+  assert_output --partial "unknown server"
+}