gateway: add CurrentCommit to /version

License: MIT
Signed-off-by: Lars Gierth <larsg@systemli.org>

core/corehttp/gateway.go

@@ -8,6 +8,7 @@ import (
 
 	core "github.com/ipfs/go-ipfs/core"
 	id "github.com/ipfs/go-ipfs/p2p/protocol/identify"
+	config "github.com/ipfs/go-ipfs/repo/config"
 )
 
 // Gateway should be instantiated using NewGateway
@@ -58,7 +59,8 @@ func GatewayOption(writable bool) ServeOption {
 func VersionOption() ServeOption {
 	return func(n *core.IpfsNode, _ net.Listener, mux *http.ServeMux) (*http.ServeMux, error) {
 		mux.HandleFunc("/version", func(w http.ResponseWriter, r *http.Request) {
-			fmt.Fprintf(w, "Client Version:   %s\n", id.ClientVersion)
+			fmt.Fprintf(w, "Commit: %s\n", config.CurrentCommit)
+			fmt.Fprintf(w, "Client Version: %s\n", id.ClientVersion)
 			fmt.Fprintf(w, "Protocol Version: %s\n", id.IpfsVersion)
 		})
 		return mux, nil

core/corehttp/gateway_test.go

@@ -401,6 +401,8 @@ func TestIPNSHostnameBacklinks(t *testing.T) {
 }
 
 func TestVersion(t *testing.T) {
+	config.CurrentCommit = "theshortcommithash"
+
 	ns := mockNamesys{}
 	ts, _ := newTestServerAndNode(t, ns)
 	t.Logf("test server url: %s", ts.URL)
@@ -421,6 +423,10 @@ func TestVersion(t *testing.T) {
 	}
 	s := string(body)
 
+	if !strings.Contains(s, "Commit: theshortcommithash") {
+		t.Fatalf("response doesn't contain commit:\n%s", s)
+	}
+
 	if !strings.Contains(s, "Client Version: "+id.ClientVersion) {
 		t.Fatalf("response doesn't contain client version:\n%s", s)
 	}