9 #if LIBCURL_VERSION_NUM < 0x070704
10 #define curl_global_cleanup() do { /* nothing */ } while(0)
12 #if LIBCURL_VERSION_NUM < 0x070800
13 #define curl_global_init(a) do { /* nothing */ } while(0)
15 #if LIBCURL_VERSION_NUM < 0x070907
16 #define curl_easy_setopt(a, b, c) do { /* nothing */ } while(0)
24 static z_stream stream;
29 static int curl_ssl_verify;
38 static size_t fwrite_buffer(void *ptr, size_t eltsize, size_t nmemb,
39 struct buffer *buffer) {
40 size_t size = eltsize * nmemb;
41 if (size > buffer->size - buffer->posn)
42 size = buffer->size - buffer->posn;
43 memcpy(buffer->buffer + buffer->posn, ptr, size);
48 static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb,
50 unsigned char expn[4096];
51 size_t size = eltsize * nmemb;
54 ssize_t retval = write(local, ptr + posn, size - posn);
58 } while (posn < size);
60 stream.avail_in = size;
63 stream.next_out = expn;
64 stream.avail_out = sizeof(expn);
65 zret = inflate(&stream, Z_SYNC_FLUSH);
66 SHA1_Update(&c, expn, sizeof(expn) - stream.avail_out);
67 } while (stream.avail_in && zret == Z_OK);
71 int fetch(unsigned char *sha1)
73 char *hex = sha1_to_hex(sha1);
74 char *filename = sha1_file_name(sha1);
75 unsigned char real_sha1[20];
79 local = open(filename, O_WRONLY | O_CREAT | O_EXCL, 0666);
82 return error("Couldn't open %s\n", filename);
84 memset(&stream, 0, sizeof(stream));
90 curl_easy_setopt(curl, CURLOPT_FILE, NULL);
91 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file);
93 url = xmalloc(strlen(base) + 50);
95 posn = url + strlen(base);
96 strcpy(posn, "objects/");
101 strcpy(posn, hex + 2);
103 curl_easy_setopt(curl, CURLOPT_URL, url);
105 if (curl_easy_perform(curl))
106 return error("Couldn't get %s for %s\n", url, hex);
110 SHA1_Final(real_sha1, &c);
111 if (zret != Z_STREAM_END) {
113 return error("File %s (%s) corrupt\n", hex, url);
115 if (memcmp(sha1, real_sha1, 20)) {
117 return error("File %s has bad hash\n", hex);
120 pull_say("got %s\n", hex);
124 int fetch_ref(char *ref, unsigned char *sha1)
128 struct buffer buffer;
134 curl_easy_setopt(curl, CURLOPT_FILE, &buffer);
135 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
137 url = xmalloc(strlen(base) + 6 + strlen(ref));
139 posn = url + strlen(base);
140 strcpy(posn, "refs/");
144 curl_easy_setopt(curl, CURLOPT_URL, url);
146 if (curl_easy_perform(curl))
147 return error("Couldn't get %s for %s\n", url, ref);
150 get_sha1_hex(hex, sha1);
154 int main(int argc, char **argv)
160 while (arg < argc && argv[arg][0] == '-') {
161 if (argv[arg][1] == 't') {
163 } else if (argv[arg][1] == 'c') {
165 } else if (argv[arg][1] == 'a') {
169 } else if (argv[arg][1] == 'v') {
171 } else if (argv[arg][1] == 'w') {
172 write_ref = argv[arg + 1];
177 if (argc < arg + 2) {
178 usage("git-http-pull [-c] [-t] [-a] [-d] [-v] [--recover] [-w ref] commit-id url");
181 commit_id = argv[arg];
184 curl_global_init(CURL_GLOBAL_ALL);
186 curl = curl_easy_init();
188 curl_ssl_verify = gitenv("GIT_SSL_NO_VERIFY") ? 0 : 1;
189 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, curl_ssl_verify);
190 curl_easy_setopt(curl, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
197 curl_global_cleanup();