config: multiple values in RemoteConfig (URLs and Fetch)

* Change `URL string` to `URL []string` in `RemoteConfig`, since
  git allows multiple URLs per remote. See:
  http://marc.info/?l=git&m=116231242118202&w=2

* Fix marshalling of multiple fetch refspecs.

1 files changed, 7 insertions, 4 deletions

diff --git a/remote.go b/remote.go
index fe44009..eb5a6a2 100644
--- a/remote.go
+++ b/remote.go
@@ -43,8 +43,11 @@ func (r *Remote) Config() *config.RemoteConfig {
 }
 
 func (r *Remote) String() string {
-	fetch := r.c.URL
-	push := r.c.URL
+	var fetch, push string
+	if len(r.c.URLs) > 0 {
+		fetch = r.c.URLs[0]
+		push = r.c.URLs[0]
+	}
 
 	return fmt.Sprintf("%s\t%s (fetch)\n%[1]s\t%[3]s (push)", r.c.Name, fetch, push)
 }
@@ -71,7 +74,7 @@ func (r *Remote) PushContext(ctx context.Context, o *PushOptions) error {
 		return fmt.Errorf("remote names don't match: %s != %s", o.RemoteName, r.c.Name)
 	}
 
-	s, err := newSendPackSession(r.c.URL, o.Auth)
+	s, err := newSendPackSession(r.c.URLs[0], o.Auth)
 	if err != nil {
 		return err
 	}
@@ -211,7 +214,7 @@ func (r *Remote) fetch(ctx context.Context, o *FetchOptions) (storer.ReferenceSt
 		o.RefSpecs = r.c.Fetch
 	}
 
-	s, err := newUploadPackSession(r.c.URL, o.Auth)
+	s, err := newUploadPackSession(r.c.URLs[0], o.Auth)
 	if err != nil {
 		return nil, err
 	}