remote: avoid reading $GIT_DIR config in non-repo

diff --git a/remote-curl.c b/remote-curl.c
index 28d9d1063880b9b7e6ec18ea18c18f77fb99ef32..34a97e7328d440d48badd53bb0d3167a58558ee9 100644 (file)
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -404,6 +404,7 @@ struct rpc_state {
        size_t pos;
        int in;
        int out;
+       int any_written;
        struct strbuf result;
        unsigned gzip_request : 1;
        unsigned initial_buffer : 1;
@@ -460,6 +461,8 @@ static size_t rpc_in(char *ptr, size_t eltsize,
 {
        size_t size = eltsize * nmemb;
        struct rpc_state *rpc = buffer_;
+       if (size)
+               rpc->any_written = 1;
        write_or_die(rpc->in, ptr, size);
        return size;
 }
@@ -663,6 +666,8 @@ static int post_rpc(struct rpc_state *rpc)
        curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in);
        curl_easy_setopt(slot->curl, CURLOPT_FILE, rpc);
 
+
+       rpc->any_written = 0;
        err = run_slot(slot, NULL);
        if (err == HTTP_REAUTH && !large_request) {
                credential_fill(&http_auth);
@@ -671,6 +676,9 @@ static int post_rpc(struct rpc_state *rpc)
        if (err != HTTP_OK)
                err = -1;
 
+       if (!rpc->any_written)
+               err = -1;
+
        curl_slist_free_all(headers);
        free(gzip_body);
        return err;