Introduce usagef() that takes a printf-style format

diff --git a/transport.c b/transport.c
index 644a30a0b200b339d291f4cc3d35b2268d12facd..298dc46ec5ede0b972ec9be46556ffbec17df253 100644 (file)
--- a/transport.c
+++ b/transport.c
@@ -812,6 +812,9 @@ struct transport *transport_get(struct remote *remote, const char *url)
 {
        struct transport *ret = xcalloc(1, sizeof(*ret));
 
+       if (!remote)
+               die("No remote provided to transport_get()");
+
        ret->remote = remote;
        ret->url = url;
 
@@ -849,10 +852,10 @@ struct transport *transport_get(struct remote *remote, const char *url)
                data->thin = 1;
                data->conn = NULL;
                data->uploadpack = "git-upload-pack";
-               if (remote && remote->uploadpack)
+               if (remote->uploadpack)
                        data->uploadpack = remote->uploadpack;
                data->receivepack = "git-receive-pack";
-               if (remote && remote->receivepack)
+               if (remote->receivepack)
                        data->receivepack = remote->receivepack;
        }