drop support for Go 1.7

.travis.yml

@@ -7,7 +7,6 @@ addons:
 language: go
 
 go:
-  - 1.7.x
   - 1.8.x
   - 1.9beta2
 

Changelog.md

@@ -12,4 +12,5 @@
 - Changed the log level environment variable to only accept strings ("DEBUG", "INFO", "ERROR"), see [the wiki](https://github.com/lucas-clemente/quic-go/wiki/Logging) for more details.
 - Rename the `h2quic.QuicRoundTripper` to `h2quic.RoundTripper`
 - Changed `h2quic.Server.Serve()` to accept a `net.PacketConn`
+- Drop support for Go 1.7.
 - Various bugfixes

README.md

@@ -16,7 +16,7 @@ As Google's QUIC versions are expected to converge towards the [IETF QUIC draft]
 
 ## Guides
 
-We currently support Go 1.7+.
+We currently support Go 1.8+.
 
 Installing and updating dependencies:
 

crypto/cert_chain.go

@@ -102,3 +102,12 @@ func (cc *certChain) getCertForSNI(sni string) (*tls.Certificate, error) {
 	// If nothing matches, return the first certificate.
 	return &c.Certificates[0], nil
 }
+
+func maybeGetConfigForClient(c *tls.Config, sni string) (*tls.Config, error) {
+	if c.GetConfigForClient == nil {
+		return c, nil
+	}
+	return c.GetConfigForClient(&tls.ClientHelloInfo{
+		ServerName: sni,
+	})
+}

crypto/config_for_client_1.8.go

@@ -1,14 +0,0 @@
-// +build go1.8
-
-package crypto
-
-import "crypto/tls"
-
-func maybeGetConfigForClient(c *tls.Config, sni string) (*tls.Config, error) {
-	if c.GetConfigForClient == nil {
-		return c, nil
-	}
-	return c.GetConfigForClient(&tls.ClientHelloInfo{
-		ServerName: sni,
-	})
-}

crypto/config_for_client_pre1.8.go

@@ -1,9 +0,0 @@
-// +build !go1.8
-
-package crypto
-
-import "crypto/tls"
-
-func maybeGetConfigForClient(c *tls.Config, sni string) (*tls.Config, error) {
-	return c, nil
-}