cat-file: provide %(deltabase) batch format

[~andy/git] / remote-curl.c

diff --git a/remote-curl.c b/remote-curl.c
index c9b891adbf134193f07681a631ae368671e04aa6..e38c4b026f2ad63181c765cd38ceb72ef30c4ee8 100644 (file)
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -217,7 +217,7 @@ static struct discovery* discover_refs(const char *service, int for_push)
        free_discovery(last);
 
        strbuf_addf(&refs_url, "%sinfo/refs", url.buf);
-       if ((!prefixcmp(url.buf, "http://") || !prefixcmp(url.buf, "https://")) &&
+       if ((starts_with(url.buf, "http://") || starts_with(url.buf, "https://")) &&
             git_env_bool("GIT_SMART_HTTP", 1)) {
                maybe_smart = 1;
                if (!strchr(url.buf, '?'))
@@ -394,25 +394,29 @@ static size_t rpc_in(char *ptr, size_t eltsize,
        return size;
 }
 
-static int run_slot(struct active_request_slot *slot)
+static int run_slot(struct active_request_slot *slot,
+                   struct slot_results *results)
 {
        int err;
-       struct slot_results results;
+       struct slot_results results_buf;
 
-       slot->results = &results;
+       if (!results)
+               results = &results_buf;
+
+       slot->results = results;
        slot->curl_result = curl_easy_perform(slot->curl);
        finish_active_slot(slot);
 
-       err = handle_curl_result(&results);
+       err = handle_curl_result(results);
        if (err != HTTP_OK && err != HTTP_REAUTH) {
                error("RPC failed; result=%d, HTTP code = %ld",
-                     results.curl_result, results.http_code);
+                     results->curl_result, results->http_code);
        }
 
        return err;
 }
 
-static int probe_rpc(struct rpc_state *rpc)
+static int probe_rpc(struct rpc_state *rpc, struct slot_results *results)
 {
        struct active_request_slot *slot;
        struct curl_slist *headers = NULL;
@@ -434,7 +438,7 @@ static int probe_rpc(struct rpc_state *rpc)
        curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
        curl_easy_setopt(slot->curl, CURLOPT_FILE, &buf);
 
-       err = run_slot(slot);
+       err = run_slot(slot, results);
 
        curl_slist_free_all(headers);
        strbuf_release(&buf);
@@ -449,6 +453,7 @@ static int post_rpc(struct rpc_state *rpc)
        char *gzip_body = NULL;
        size_t gzip_size = 0;
        int err, large_request = 0;
+       int needs_100_continue = 0;
 
        /* Try to load the entire request, if we can fit it into the
         * allocated buffer space we can use HTTP/1.0 and avoid the
@@ -472,18 +477,24 @@ static int post_rpc(struct rpc_state *rpc)
        }
 
        if (large_request) {
+               struct slot_results results;
+
                do {
-                       err = probe_rpc(rpc);
+                       err = probe_rpc(rpc, &results);
                        if (err == HTTP_REAUTH)
                                credential_fill(&http_auth);
                } while (err == HTTP_REAUTH);
                if (err != HTTP_OK)
                        return -1;
+
+               if (results.auth_avail & CURLAUTH_GSSNEGOTIATE)
+                       needs_100_continue = 1;
        }
 
        headers = curl_slist_append(headers, rpc->hdr_content_type);
        headers = curl_slist_append(headers, rpc->hdr_accept);
-       headers = curl_slist_append(headers, "Expect:");
+       headers = curl_slist_append(headers, needs_100_continue ?
+               "Expect: 100-continue" : "Expect:");
 
 retry:
        slot = get_active_slot();
@@ -574,7 +585,7 @@ retry:
        curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in);
        curl_easy_setopt(slot->curl, CURLOPT_FILE, rpc);
 
-       err = run_slot(slot);
+       err = run_slot(slot, NULL);
        if (err == HTTP_REAUTH && !large_request) {
                credential_fill(&http_auth);
                goto retry;
@@ -755,7 +766,7 @@ static void parse_fetch(struct strbuf *buf)
        int alloc_heads = 0, nr_heads = 0;
 
        do {
-               if (!prefixcmp(buf->buf, "fetch ")) {
+               if (starts_with(buf->buf, "fetch ")) {
                        char *p = buf->buf + strlen("fetch ");
                        char *name;
                        struct ref *ref;
@@ -878,7 +889,7 @@ static void parse_push(struct strbuf *buf)
        int alloc_spec = 0, nr_spec = 0, i, ret;
 
        do {
-               if (!prefixcmp(buf->buf, "push ")) {
+               if (starts_with(buf->buf, "push ")) {
                        ALLOC_GROW(specs, nr_spec + 1, alloc_spec);
                        specs[nr_spec++] = xstrdup(buf->buf + 5);
                }
@@ -941,19 +952,19 @@ int main(int argc, const char **argv)
                }
                if (buf.len == 0)
                        break;
-               if (!prefixcmp(buf.buf, "fetch ")) {
+               if (starts_with(buf.buf, "fetch ")) {
                        if (nongit)
                                die("Fetch attempted without a local repo");
                        parse_fetch(&buf);
 
-               } else if (!strcmp(buf.buf, "list") || !prefixcmp(buf.buf, "list ")) {
+               } else if (!strcmp(buf.buf, "list") || starts_with(buf.buf, "list ")) {
                        int for_push = !!strstr(buf.buf + 4, "for-push");
                        output_refs(get_refs(for_push));
 
-               } else if (!prefixcmp(buf.buf, "push ")) {
+               } else if (starts_with(buf.buf, "push ")) {
                        parse_push(&buf);
 
-               } else if (!prefixcmp(buf.buf, "option ")) {
+               } else if (starts_with(buf.buf, "option ")) {
                        char *name = buf.buf + strlen("option ");
                        char *value = strchr(name, ' ');
                        int result;