git-svn: allow subset of branches/tags to be specified in glob spec

diff --git a/http.c b/http.c
index 5926c5b3f7bbc781d77e2348db2990bcb51460e6..deab59551dad9a0d2c2e86d75071fa561e4cbf1a 100644 (file)
--- a/http.c
+++ b/http.c
@@ -1,10 +1,18 @@
 #include "http.h"
 #include "pack.h"
+#include "sideband.h"
 
 int data_received;
 int active_requests;
 int http_is_verbose;
+size_t http_post_buffer = 16 * LARGE_PACKET_MAX;
 
+#if LIBCURL_VERSION_NUM >= 0x070a06
+#define LIBCURL_CAN_HANDLE_AUTH_ANY
+#endif
+
+static int min_curl_sessions = 1;
+static int curl_session_count;
 #ifdef USE_CURL_MULTI
 static int max_requests = -1;
 static CURLM *curlm;
@@ -97,8 +105,6 @@ size_t fwrite_null(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf)
        return eltsize * nmemb;
 }
 
-static void finish_active_slot(struct active_request_slot *slot);
-
 #ifdef USE_CURL_MULTI
 static void process_curl_messages(void)
 {
@@ -152,6 +158,14 @@ static int http_options(const char *var, const char *value, void *cb)
                        ssl_cert_password_required = 1;
                return 0;
        }
+       if (!strcmp("http.minsessions", var)) {
+               min_curl_sessions = git_config_int(var, value);
+#ifndef USE_CURL_MULTI
+               if (min_curl_sessions > 1)
+                       min_curl_sessions = 1;
+#endif
+               return 0;
+       }
 #ifdef USE_CURL_MULTI
        if (!strcmp("http.maxrequests", var)) {
                max_requests = git_config_int(var, value);
@@ -174,6 +188,13 @@ static int http_options(const char *var, const char *value, void *cb)
        if (!strcmp("http.proxy", var))
                return git_config_string(&curl_http_proxy, var, value);
 
+       if (!strcmp("http.postbuffer", var)) {
+               http_post_buffer = git_config_int(var, value);
+               if (http_post_buffer < LARGE_PACKET_MAX)
+                       http_post_buffer = LARGE_PACKET_MAX;
+               return 0;
+       }
+
        /* Fall back on the default ones */
        return git_default_config(var, value, cb);
 }
@@ -223,6 +244,9 @@ static CURL *get_curl_handle(void)
 #if LIBCURL_VERSION_NUM >= 0x070907
        curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
 #endif
+#ifdef LIBCURL_CAN_HANDLE_AUTH_ANY
+       curl_easy_setopt(result, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
+#endif
 
        init_curl_http_auth(result);
 
@@ -365,6 +389,7 @@ void http_init(struct remote *remote)
        if (curl_ssl_verify == -1)
                curl_ssl_verify = 1;
 
+       curl_session_count = 0;
 #ifdef USE_CURL_MULTI
        if (max_requests < 1)
                max_requests = DEFAULT_MAX_REQUESTS;
@@ -473,6 +498,7 @@ struct active_request_slot *get_active_slot(void)
 #else
                slot->curl = curl_easy_duphandle(curl_default);
 #endif
+               curl_session_count++;
        }
 
        active_requests++;
@@ -551,9 +577,11 @@ void fill_active_slots(void)
        }
 
        while (slot != NULL) {
-               if (!slot->in_use && slot->curl != NULL) {
+               if (!slot->in_use && slot->curl != NULL
+                       && curl_session_count > min_curl_sessions) {
                        curl_easy_cleanup(slot->curl);
                        slot->curl = NULL;
+                       curl_session_count--;
                }
                slot = slot->next;
        }
@@ -623,22 +651,23 @@ static void closedown_active_slot(struct active_request_slot *slot)
        slot->in_use = 0;
 }
 
-void release_active_slot(struct active_request_slot *slot)
+static void release_active_slot(struct active_request_slot *slot)
 {
        closedown_active_slot(slot);
-       if (slot->curl) {
+       if (slot->curl && curl_session_count > min_curl_sessions) {
 #ifdef USE_CURL_MULTI
                curl_multi_remove_handle(curlm, slot->curl);
 #endif
                curl_easy_cleanup(slot->curl);
                slot->curl = NULL;
+               curl_session_count--;
        }
 #ifdef USE_CURL_MULTI
        fill_active_slots();
 #endif
 }
 
-static void finish_active_slot(struct active_request_slot *slot)
+void finish_active_slot(struct active_request_slot *slot)
 {
        closedown_active_slot(slot);
        curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code);
@@ -805,7 +834,13 @@ int http_get_strbuf(const char *url, struct strbuf *result, int options)
        return http_request(url, result, HTTP_REQUEST_STRBUF, options);
 }
 
-int http_get_file(const char *url, const char *filename, int options)
+/*
+ * Downloads an url and stores the result in the given file.
+ *
+ * If a previous interrupted download is detected (i.e. a previous temporary
+ * file is still around) the download is resumed.
+ */
+static int http_get_file(const char *url, const char *filename, int options)
 {
        int ret;
        struct strbuf tmpfile = STRBUF_INIT;
@@ -866,20 +901,9 @@ static int fetch_pack_index(unsigned char *sha1, const char *base_url)
        int ret = 0;
        char *hex = xstrdup(sha1_to_hex(sha1));
        char *filename;
-       char *url;
+       char *url = NULL;
        struct strbuf buf = STRBUF_INIT;
 
-       /* Don't use the index if the pack isn't there */
-       end_url_with_slash(&buf, base_url);
-       strbuf_addf(&buf, "objects/pack/pack-%s.pack", hex);
-       url = strbuf_detach(&buf, 0);
-
-       if (http_get_strbuf(url, NULL, 0)) {
-               ret = error("Unable to verify pack %s is available",
-                           hex);
-               goto cleanup;
-       }
-
        if (has_pack_index(sha1)) {
                ret = 0;
                goto cleanup;
@@ -1248,7 +1272,7 @@ int finish_http_object_request(struct http_object_request *freq)
        process_http_object_request(freq);
 
        if (freq->http_code == 416) {
-               fprintf(stderr, "Warning: requested range invalid; we may already have all the data.\n");
+               warning("requested range invalid; we may already have all the data.");
        } else if (freq->curl_result != CURLE_OK) {
                if (stat(freq->tmpfile, &st) == 0)
                        if (st.st_size == 0)