avoid recheck of env to set dev mode

appview/state/repo.go

···
 		return
 	}
 
-	ksClient, err := NewSignedClient(f.Knot, secret)
+	ksClient, err := NewSignedClient(f.Knot, secret, s.config.Dev)
 	if err != nil {
 		log.Println("failed to create client to ", f.Knot)
 		return

appview/state/signer.go

···
 	"fmt"
 	"net/http"
 	"net/url"
-	"os"
 	"time"
 )
 
···
 	client *http.Client
 }
 
-func NewSignedClient(domain, secret string) (*SignedClient, error) {
+func NewSignedClient(domain, secret string, dev bool) (*SignedClient, error) {
 	client := &http.Client{
 		Timeout: 5 * time.Second,
 		Transport: SignerTransport{
···
 	}
 
 	uri := "https"
-	if os.Getenv("TANGLED_DEV") == "true" {
+	if dev {
 		uri = "http"
 	}
 	url, err := url.Parse(fmt.Sprintf("%s://%s", uri, domain))

appview/state/state.go

···
 		return
 	}
 
-	client, err := NewSignedClient(domain, secret)
+	client, err := NewSignedClient(domain, secret, s.config.Dev)
 	if err != nil {
 		log.Println("failed to create client to ", domain)
 	}
···
 		return
 	}
 
-	ksClient, err := NewSignedClient(domain, secret)
+	ksClient, err := NewSignedClient(domain, secret, s.config.Dev)
 	if err != nil {
 		log.Println("failed to create client to ", domain)
 		return
···
 			return
 		}
 
-		client, err := NewSignedClient(domain, secret)
+		client, err := NewSignedClient(domain, secret, s.config.Dev)
 		if err != nil {
 			s.pages.Notice(w, "repo", "Failed to connect to knot server.")
 			return