Add support for "import" helper command

diff --git a/http.c b/http.c
index a2720d576d72e456b038444050f5b8de9d25d792..23b2a1932c7daebd585827da7effd1c5bbae5e69 100644 (file)
--- a/http.c
+++ b/http.c
@@ -719,7 +719,9 @@ void append_remote_object_url(struct strbuf *buf, const char *url,
                              const char *hex,
                              int only_two_digit_prefix)
 {
-       strbuf_addf(buf, "%s/objects/%.*s/", url, 2, hex);
+       end_url_with_slash(buf, url);
+
+       strbuf_addf(buf, "objects/%.*s/", 2, hex);
        if (!only_two_digit_prefix)
                strbuf_addf(buf, "%s", hex+2);
 }
@@ -864,20 +866,9 @@ 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;
@@ -1004,7 +995,6 @@ int finish_http_pack_request(struct http_pack_request *preq)
 struct http_pack_request *new_http_pack_request(
        struct packed_git *target, const char *base_url)
 {
-       char *url;
        char *filename;
        long prev_posn = 0;
        char range[RANGE_HEADER_SIZE];
@@ -1018,8 +1008,7 @@ struct http_pack_request *new_http_pack_request(
        end_url_with_slash(&buf, base_url);
        strbuf_addf(&buf, "objects/pack/pack-%s.pack",
                sha1_to_hex(target->sha1));
-       url = strbuf_detach(&buf, NULL);
-       preq->url = xstrdup(url);
+       preq->url = strbuf_detach(&buf, NULL);
 
        filename = sha1_pack_name(target->sha1);
        snprintf(preq->filename, sizeof(preq->filename), "%s", filename);
@@ -1035,7 +1024,7 @@ struct http_pack_request *new_http_pack_request(
        preq->slot->local = preq->packfile;
        curl_easy_setopt(preq->slot->curl, CURLOPT_FILE, preq->packfile);
        curl_easy_setopt(preq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
-       curl_easy_setopt(preq->slot->curl, CURLOPT_URL, url);
+       curl_easy_setopt(preq->slot->curl, CURLOPT_URL, preq->url);
        curl_easy_setopt(preq->slot->curl, CURLOPT_HTTPHEADER,
                no_pragma_header);
 
@@ -1059,6 +1048,8 @@ struct http_pack_request *new_http_pack_request(
 
 abort:
        free(filename);
+       free(preq->url);
+       free(preq);
        return NULL;
 }
 
@@ -1098,7 +1089,6 @@ struct http_object_request *new_http_object_request(const char *base_url,
        char *hex = sha1_to_hex(sha1);
        char *filename;
        char prevfile[PATH_MAX];
-       char *url;
        int prevlocal;
        unsigned char prev_buf[PREV_BUF_SIZE];
        ssize_t prev_read = 0;
@@ -1152,8 +1142,7 @@ struct http_object_request *new_http_object_request(const char *base_url,
 
        git_SHA1_Init(&freq->c);
 
-       url = get_remote_object_url(base_url, hex, 0);
-       freq->url = xstrdup(url);
+       freq->url = get_remote_object_url(base_url, hex, 0);
 
        /*
         * If a previous temp file is present, process what was already
@@ -1189,7 +1178,11 @@ struct http_object_request *new_http_object_request(const char *base_url,
                if (prev_posn>0) {
                        prev_posn = 0;
                        lseek(freq->localfile, 0, SEEK_SET);
-                       ftruncate(freq->localfile, 0);
+                       if (ftruncate(freq->localfile, 0) < 0) {
+                               error("Couldn't truncate temporary file %s for %s: %s",
+                                         freq->tmpfile, freq->filename, strerror(errno));
+                               goto abort;
+                       }
                }
        }
 
@@ -1198,7 +1191,7 @@ struct http_object_request *new_http_object_request(const char *base_url,
        curl_easy_setopt(freq->slot->curl, CURLOPT_FILE, freq);
        curl_easy_setopt(freq->slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file);
        curl_easy_setopt(freq->slot->curl, CURLOPT_ERRORBUFFER, freq->errorstr);
-       curl_easy_setopt(freq->slot->curl, CURLOPT_URL, url);
+       curl_easy_setopt(freq->slot->curl, CURLOPT_URL, freq->url);
        curl_easy_setopt(freq->slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
 
        /*
@@ -1218,9 +1211,9 @@ struct http_object_request *new_http_object_request(const char *base_url,
 
        return freq;
 
-       free(url);
 abort:
        free(filename);
+       free(freq->url);
        free(freq);
        return NULL;
 }
@@ -1285,5 +1278,10 @@ void release_http_object_request(struct http_object_request *freq)
                free(freq->url);
                freq->url = NULL;
        }
-       freq->slot = NULL;
+       if (freq->slot != NULL) {
+               freq->slot->callback_func = NULL;
+               freq->slot->callback_data = NULL;
+               release_active_slot(freq->slot);
+               freq->slot = NULL;
+       }
 }