git-mv: succeed even if source is a prefix of destination

diff --git a/http.c b/http.c
index eefb0f03d2f7ac30163e69b842f6943987cf9351..6c1937b676ecd584cededed1c82df30448046ebe 100644 (file)
--- a/http.c
+++ b/http.c
@@ -25,7 +25,6 @@ long curl_low_speed_limit = -1;
 long curl_low_speed_time = -1;
 
 struct curl_slist *pragma_header;
-struct curl_slist *no_range_header;
 
 struct active_request_slot *active_queue_head = NULL;
 
@@ -35,7 +34,7 @@ size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb,
        size_t size = eltsize * nmemb;
        if (size > buffer->size - buffer->posn)
                size = buffer->size - buffer->posn;
-       memcpy(ptr, buffer->buffer + buffer->posn, size);
+       memcpy(ptr, (char *) buffer->buffer + buffer->posn, size);
        buffer->posn += size;
        return size;
 }
@@ -50,7 +49,7 @@ size_t fwrite_buffer(const void *ptr, size_t eltsize,
                        buffer->size = buffer->posn + size;
                buffer->buffer = xrealloc(buffer->buffer, buffer->size);
        }
-       memcpy(buffer->buffer + buffer->posn, ptr, size);
+       memcpy((char *) buffer->buffer + buffer->posn, ptr, size);
        buffer->posn += size;
        data_received++;
        return size;
@@ -192,6 +191,11 @@ static CURL* get_curl_handle(void)
 
        curl_easy_setopt(result, CURLOPT_FOLLOWLOCATION, 1);
 
+       if (getenv("GIT_CURL_VERBOSE"))
+               curl_easy_setopt(result, CURLOPT_VERBOSE, 1);
+
+       curl_easy_setopt(result, CURLOPT_USERAGENT, GIT_USER_AGENT);
+
        return result;
 }
 
@@ -203,7 +207,6 @@ void http_init(void)
        curl_global_init(CURL_GLOBAL_ALL);
 
        pragma_header = curl_slist_append(pragma_header, "Pragma: no-cache");
-       no_range_header = curl_slist_append(no_range_header, "Range:");
 
 #ifdef USE_CURL_MULTI
        {
@@ -283,7 +286,8 @@ void http_cleanup(void)
        curl_multi_cleanup(curlm);
 #endif
        curl_global_cleanup();
-       
+
+       curl_slist_free_all(pragma_header);
 }
 
 struct active_request_slot *get_active_slot(void)
@@ -336,11 +340,17 @@ struct active_request_slot *get_active_slot(void)
        slot->in_use = 1;
        slot->local = NULL;
        slot->results = NULL;
+       slot->finished = NULL;
        slot->callback_data = NULL;
        slot->callback_func = NULL;
+       curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL);
        curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, pragma_header);
-       curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_range_header);
        curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, curl_errorstr);
+       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, NULL);
+       curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, NULL);
+       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, NULL);
+       curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 0);
+       curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
 
        return slot;
 }
@@ -386,8 +396,10 @@ void run_active_slot(struct active_request_slot *slot)
        fd_set excfds;
        int max_fd;
        struct timeval select_timeout;
+       int finished = 0;
 
-       while (slot->in_use) {
+       slot->finished = &finished;
+       while (!finished) {
                data_received = 0;
                step_active_slots();
 
@@ -417,12 +429,35 @@ void run_active_slot(struct active_request_slot *slot)
 #endif
 }
 
-static void finish_active_slot(struct active_request_slot *slot)
+static void closedown_active_slot(struct active_request_slot *slot)
 {
         active_requests--;
         slot->in_use = 0;
+}
+
+void release_active_slot(struct active_request_slot *slot)
+{
+       closedown_active_slot(slot);
+       if (slot->curl) {
+#ifdef USE_CURL_MULTI
+               curl_multi_remove_handle(curlm, slot->curl);
+#endif
+               curl_easy_cleanup(slot->curl);
+               slot->curl = NULL;
+       }
+#ifdef USE_CURL_MULTI
+       fill_active_slots();
+#endif
+}
+
+static void finish_active_slot(struct active_request_slot *slot)
+{
+       closedown_active_slot(slot);
         curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code);
 
+       if (slot->finished != NULL)
+               (*slot->finished) = 1;
+
        /* Store slot results so they can be read after the slot is reused */
        if (slot->results != NULL) {
                slot->results->curl_result = slot->curl_result;