remote: avoid reading $GIT_DIR config in non-repo

diff --git a/remote-curl.c b/remote-curl.c
index f14c41f4c0d6d6c9bbfd18d6417d16f0e6068c1d..34a97e7328d440d48badd53bb0d3167a58558ee9 100644 (file)
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -274,7 +274,7 @@ static struct discovery *discover_refs(const char *service, int for_push)
        struct strbuf effective_url = STRBUF_INIT;
        struct discovery *last = last_discovery;
        int http_ret, maybe_smart = 0;
-       struct http_get_options options;
+       struct http_get_options http_options;
 
        if (last && !strcmp(service, last->service))
                return last;
@@ -291,15 +291,16 @@ static struct discovery *discover_refs(const char *service, int for_push)
                strbuf_addf(&refs_url, "service=%s", service);
        }
 
-       memset(&options, 0, sizeof(options));
-       options.content_type = &type;
-       options.charset = &charset;
-       options.effective_url = &effective_url;
-       options.base_url = &url;
-       options.no_cache = 1;
-       options.keep_error = 1;
+       memset(&http_options, 0, sizeof(http_options));
+       http_options.content_type = &type;
+       http_options.charset = &charset;
+       http_options.effective_url = &effective_url;
+       http_options.base_url = &url;
+       http_options.initial_request = 1;
+       http_options.no_cache = 1;
+       http_options.keep_error = 1;
 
-       http_ret = http_get_strbuf(refs_url.buf, &buffer, &options);
+       http_ret = http_get_strbuf(refs_url.buf, &buffer, &http_options);
        switch (http_ret) {
        case HTTP_OK:
                break;
@@ -314,6 +315,9 @@ static struct discovery *discover_refs(const char *service, int for_push)
                die("unable to access '%s': %s", url.buf, curl_errorstr);
        }
 
+       if (options.verbosity && !starts_with(refs_url.buf, url.buf))
+               warning(_("redirecting to %s"), url.buf);
+
        last= xcalloc(1, sizeof(*last_discovery));
        last->service = service;
        last->buf_alloc = strbuf_detach(&buffer, &last->len);
@@ -400,6 +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;
@@ -456,6 +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;
 }
@@ -659,6 +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);
@@ -667,6 +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;