mirror of
https://github.com/git/git
synced 2024-08-25 10:45:59 +00:00
![Nick Hengeveld](/assets/img/avatar_default.png)
Added a call to finish_request to clean up resources if the server returned a 404 and there are no alternates left to try. Signed-off-by: Nick Hengeveld <nickh@reactrix.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
1415 lines
34 KiB
C
1415 lines
34 KiB
C
#include "cache.h"
|
|
#include "commit.h"
|
|
#include "pack.h"
|
|
#include "fetch.h"
|
|
|
|
#include <curl/curl.h>
|
|
#include <curl/easy.h>
|
|
|
|
#if LIBCURL_VERSION_NUM >= 0x070908
|
|
#define USE_CURL_MULTI
|
|
#define DEFAULT_MAX_REQUESTS 5
|
|
#endif
|
|
|
|
#if LIBCURL_VERSION_NUM < 0x070704
|
|
#define curl_global_cleanup() do { /* nothing */ } while(0)
|
|
#endif
|
|
#if LIBCURL_VERSION_NUM < 0x070800
|
|
#define curl_global_init(a) do { /* nothing */ } while(0)
|
|
#endif
|
|
|
|
#if LIBCURL_VERSION_NUM < 0x070c04
|
|
#define NO_CURL_EASY_DUPHANDLE
|
|
#endif
|
|
|
|
#define PREV_BUF_SIZE 4096
|
|
#define RANGE_HEADER_SIZE 30
|
|
|
|
static int got_alternates = -1;
|
|
static int active_requests = 0;
|
|
static int data_received;
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
static int max_requests = -1;
|
|
static CURLM *curlm;
|
|
#endif
|
|
#ifndef NO_CURL_EASY_DUPHANDLE
|
|
static CURL *curl_default;
|
|
#endif
|
|
static struct curl_slist *pragma_header;
|
|
static struct curl_slist *no_pragma_header;
|
|
static struct curl_slist *no_range_header;
|
|
static char curl_errorstr[CURL_ERROR_SIZE];
|
|
|
|
struct alt_base
|
|
{
|
|
char *base;
|
|
int got_indices;
|
|
struct packed_git *packs;
|
|
struct alt_base *next;
|
|
};
|
|
|
|
static struct alt_base *alt = NULL;
|
|
|
|
enum transfer_state {
|
|
WAITING,
|
|
ABORTED,
|
|
ACTIVE,
|
|
COMPLETE,
|
|
};
|
|
|
|
struct transfer_request
|
|
{
|
|
unsigned char sha1[20];
|
|
struct alt_base *repo;
|
|
char *url;
|
|
char filename[PATH_MAX];
|
|
char tmpfile[PATH_MAX];
|
|
int local;
|
|
enum transfer_state state;
|
|
CURLcode curl_result;
|
|
char errorstr[CURL_ERROR_SIZE];
|
|
long http_code;
|
|
unsigned char real_sha1[20];
|
|
SHA_CTX c;
|
|
z_stream stream;
|
|
int zret;
|
|
int rename;
|
|
struct active_request_slot *slot;
|
|
struct transfer_request *next;
|
|
};
|
|
|
|
struct active_request_slot
|
|
{
|
|
CURL *curl;
|
|
FILE *local;
|
|
int in_use;
|
|
int done;
|
|
CURLcode curl_result;
|
|
long http_code;
|
|
void *callback_data;
|
|
void (*callback_func)(void *data);
|
|
struct active_request_slot *next;
|
|
};
|
|
|
|
struct alt_request {
|
|
char *base;
|
|
char *url;
|
|
struct buffer *buffer;
|
|
struct active_request_slot *slot;
|
|
int http_specific;
|
|
};
|
|
|
|
static struct transfer_request *request_queue_head = NULL;
|
|
static struct active_request_slot *active_queue_head = NULL;
|
|
|
|
static int curl_ssl_verify = -1;
|
|
static char *ssl_cert = NULL;
|
|
#if LIBCURL_VERSION_NUM >= 0x070902
|
|
static char *ssl_key = NULL;
|
|
#endif
|
|
#if LIBCURL_VERSION_NUM >= 0x070908
|
|
static char *ssl_capath = NULL;
|
|
#endif
|
|
static char *ssl_cainfo = NULL;
|
|
static long curl_low_speed_limit = -1;
|
|
static long curl_low_speed_time = -1;
|
|
|
|
struct buffer
|
|
{
|
|
size_t posn;
|
|
size_t size;
|
|
void *buffer;
|
|
};
|
|
|
|
static int http_options(const char *var, const char *value)
|
|
{
|
|
if (!strcmp("http.sslverify", var)) {
|
|
if (curl_ssl_verify == -1) {
|
|
curl_ssl_verify = git_config_bool(var, value);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp("http.sslcert", var)) {
|
|
if (ssl_cert == NULL) {
|
|
ssl_cert = xmalloc(strlen(value)+1);
|
|
strcpy(ssl_cert, value);
|
|
}
|
|
return 0;
|
|
}
|
|
#if LIBCURL_VERSION_NUM >= 0x070902
|
|
if (!strcmp("http.sslkey", var)) {
|
|
if (ssl_key == NULL) {
|
|
ssl_key = xmalloc(strlen(value)+1);
|
|
strcpy(ssl_key, value);
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
#if LIBCURL_VERSION_NUM >= 0x070908
|
|
if (!strcmp("http.sslcapath", var)) {
|
|
if (ssl_capath == NULL) {
|
|
ssl_capath = xmalloc(strlen(value)+1);
|
|
strcpy(ssl_capath, value);
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
if (!strcmp("http.sslcainfo", var)) {
|
|
if (ssl_cainfo == NULL) {
|
|
ssl_cainfo = xmalloc(strlen(value)+1);
|
|
strcpy(ssl_cainfo, value);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
if (!strcmp("http.maxrequests", var)) {
|
|
if (max_requests == -1)
|
|
max_requests = git_config_int(var, value);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
if (!strcmp("http.lowspeedlimit", var)) {
|
|
if (curl_low_speed_limit == -1)
|
|
curl_low_speed_limit = (long)git_config_int(var, value);
|
|
return 0;
|
|
}
|
|
if (!strcmp("http.lowspeedtime", var)) {
|
|
if (curl_low_speed_time == -1)
|
|
curl_low_speed_time = (long)git_config_int(var, value);
|
|
return 0;
|
|
}
|
|
|
|
/* Fall back on the default ones */
|
|
return git_default_config(var, value);
|
|
}
|
|
|
|
static size_t fwrite_buffer(void *ptr, size_t eltsize, size_t nmemb,
|
|
struct buffer *buffer)
|
|
{
|
|
size_t size = eltsize * nmemb;
|
|
if (size > buffer->size - buffer->posn)
|
|
size = buffer->size - buffer->posn;
|
|
memcpy(buffer->buffer + buffer->posn, ptr, size);
|
|
buffer->posn += size;
|
|
data_received++;
|
|
return size;
|
|
}
|
|
|
|
static size_t fwrite_buffer_dynamic(const void *ptr, size_t eltsize,
|
|
size_t nmemb, struct buffer *buffer)
|
|
{
|
|
size_t size = eltsize * nmemb;
|
|
if (size > buffer->size - buffer->posn) {
|
|
buffer->size = buffer->size * 3 / 2;
|
|
if (buffer->size < buffer->posn + size)
|
|
buffer->size = buffer->posn + size;
|
|
buffer->buffer = xrealloc(buffer->buffer, buffer->size);
|
|
}
|
|
memcpy(buffer->buffer + buffer->posn, ptr, size);
|
|
buffer->posn += size;
|
|
data_received++;
|
|
return size;
|
|
}
|
|
|
|
static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb,
|
|
void *data)
|
|
{
|
|
unsigned char expn[4096];
|
|
size_t size = eltsize * nmemb;
|
|
int posn = 0;
|
|
struct transfer_request *request = (struct transfer_request *)data;
|
|
do {
|
|
ssize_t retval = write(request->local,
|
|
ptr + posn, size - posn);
|
|
if (retval < 0)
|
|
return posn;
|
|
posn += retval;
|
|
} while (posn < size);
|
|
|
|
request->stream.avail_in = size;
|
|
request->stream.next_in = ptr;
|
|
do {
|
|
request->stream.next_out = expn;
|
|
request->stream.avail_out = sizeof(expn);
|
|
request->zret = inflate(&request->stream, Z_SYNC_FLUSH);
|
|
SHA1_Update(&request->c, expn,
|
|
sizeof(expn) - request->stream.avail_out);
|
|
} while (request->stream.avail_in && request->zret == Z_OK);
|
|
data_received++;
|
|
return size;
|
|
}
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
static void process_curl_messages(void);
|
|
static void process_request_queue(void);
|
|
#endif
|
|
static void fetch_alternates(char *base);
|
|
|
|
static CURL* get_curl_handle(void)
|
|
{
|
|
CURL* result = curl_easy_init();
|
|
|
|
curl_easy_setopt(result, CURLOPT_SSL_VERIFYPEER, curl_ssl_verify);
|
|
#if LIBCURL_VERSION_NUM >= 0x070907
|
|
curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
|
|
#endif
|
|
|
|
if (ssl_cert != NULL)
|
|
curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert);
|
|
#if LIBCURL_VERSION_NUM >= 0x070902
|
|
if (ssl_key != NULL)
|
|
curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key);
|
|
#endif
|
|
#if LIBCURL_VERSION_NUM >= 0x070908
|
|
if (ssl_capath != NULL)
|
|
curl_easy_setopt(result, CURLOPT_CAPATH, ssl_capath);
|
|
#endif
|
|
if (ssl_cainfo != NULL)
|
|
curl_easy_setopt(result, CURLOPT_CAINFO, ssl_cainfo);
|
|
curl_easy_setopt(result, CURLOPT_FAILONERROR, 1);
|
|
|
|
if (curl_low_speed_limit > 0 && curl_low_speed_time > 0) {
|
|
curl_easy_setopt(result, CURLOPT_LOW_SPEED_LIMIT,
|
|
curl_low_speed_limit);
|
|
curl_easy_setopt(result, CURLOPT_LOW_SPEED_TIME,
|
|
curl_low_speed_time);
|
|
}
|
|
|
|
curl_easy_setopt(result, CURLOPT_FOLLOWLOCATION, 1);
|
|
|
|
return result;
|
|
}
|
|
|
|
static struct active_request_slot *get_active_slot(void)
|
|
{
|
|
struct active_request_slot *slot = active_queue_head;
|
|
struct active_request_slot *newslot;
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
int num_transfers;
|
|
|
|
/* Wait for a slot to open up if the queue is full */
|
|
while (active_requests >= max_requests) {
|
|
curl_multi_perform(curlm, &num_transfers);
|
|
if (num_transfers < active_requests) {
|
|
process_curl_messages();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
while (slot != NULL && slot->in_use) {
|
|
slot = slot->next;
|
|
}
|
|
if (slot == NULL) {
|
|
newslot = xmalloc(sizeof(*newslot));
|
|
newslot->curl = NULL;
|
|
newslot->in_use = 0;
|
|
newslot->next = NULL;
|
|
|
|
slot = active_queue_head;
|
|
if (slot == NULL) {
|
|
active_queue_head = newslot;
|
|
} else {
|
|
while (slot->next != NULL) {
|
|
slot = slot->next;
|
|
}
|
|
slot->next = newslot;
|
|
}
|
|
slot = newslot;
|
|
}
|
|
|
|
if (slot->curl == NULL) {
|
|
#ifdef NO_CURL_EASY_DUPHANDLE
|
|
slot->curl = get_curl_handle();
|
|
#else
|
|
slot->curl = curl_easy_duphandle(curl_default);
|
|
#endif
|
|
}
|
|
|
|
active_requests++;
|
|
slot->in_use = 1;
|
|
slot->done = 0;
|
|
slot->local = NULL;
|
|
slot->callback_data = NULL;
|
|
slot->callback_func = 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);
|
|
|
|
return slot;
|
|
}
|
|
|
|
static int start_active_slot(struct active_request_slot *slot)
|
|
{
|
|
#ifdef USE_CURL_MULTI
|
|
CURLMcode curlm_result = curl_multi_add_handle(curlm, slot->curl);
|
|
|
|
if (curlm_result != CURLM_OK &&
|
|
curlm_result != CURLM_CALL_MULTI_PERFORM) {
|
|
active_requests--;
|
|
slot->in_use = 0;
|
|
return 0;
|
|
}
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
static void run_active_slot(struct active_request_slot *slot)
|
|
{
|
|
#ifdef USE_CURL_MULTI
|
|
int num_transfers;
|
|
long last_pos = 0;
|
|
long current_pos;
|
|
fd_set readfds;
|
|
fd_set writefds;
|
|
fd_set excfds;
|
|
int max_fd;
|
|
struct timeval select_timeout;
|
|
CURLMcode curlm_result;
|
|
|
|
while (!slot->done) {
|
|
data_received = 0;
|
|
do {
|
|
curlm_result = curl_multi_perform(curlm,
|
|
&num_transfers);
|
|
} while (curlm_result == CURLM_CALL_MULTI_PERFORM);
|
|
if (num_transfers < active_requests) {
|
|
process_curl_messages();
|
|
process_request_queue();
|
|
}
|
|
|
|
if (!data_received && slot->local != NULL) {
|
|
current_pos = ftell(slot->local);
|
|
if (current_pos > last_pos)
|
|
data_received++;
|
|
last_pos = current_pos;
|
|
}
|
|
|
|
if (!slot->done && !data_received) {
|
|
max_fd = 0;
|
|
FD_ZERO(&readfds);
|
|
FD_ZERO(&writefds);
|
|
FD_ZERO(&excfds);
|
|
select_timeout.tv_sec = 0;
|
|
select_timeout.tv_usec = 50000;
|
|
select(max_fd, &readfds, &writefds,
|
|
&excfds, &select_timeout);
|
|
}
|
|
}
|
|
#else
|
|
slot->curl_result = curl_easy_perform(slot->curl);
|
|
active_requests--;
|
|
#endif
|
|
}
|
|
|
|
static void start_request(struct transfer_request *request)
|
|
{
|
|
char *hex = sha1_to_hex(request->sha1);
|
|
char prevfile[PATH_MAX];
|
|
char *url;
|
|
char *posn;
|
|
int prevlocal;
|
|
unsigned char prev_buf[PREV_BUF_SIZE];
|
|
ssize_t prev_read = 0;
|
|
long prev_posn = 0;
|
|
char range[RANGE_HEADER_SIZE];
|
|
struct curl_slist *range_header = NULL;
|
|
struct active_request_slot *slot;
|
|
|
|
snprintf(prevfile, sizeof(prevfile), "%s.prev", request->filename);
|
|
unlink(prevfile);
|
|
rename(request->tmpfile, prevfile);
|
|
unlink(request->tmpfile);
|
|
|
|
request->local = open(request->tmpfile,
|
|
O_WRONLY | O_CREAT | O_EXCL, 0666);
|
|
/* This could have failed due to the "lazy directory creation";
|
|
* try to mkdir the last path component.
|
|
*/
|
|
if (request->local < 0 && errno == ENOENT) {
|
|
char *dir = strrchr(request->tmpfile, '/');
|
|
if (dir) {
|
|
*dir = 0;
|
|
mkdir(request->tmpfile, 0777);
|
|
*dir = '/';
|
|
}
|
|
request->local = open(request->tmpfile,
|
|
O_WRONLY | O_CREAT | O_EXCL, 0666);
|
|
}
|
|
|
|
if (request->local < 0) {
|
|
request->state = ABORTED;
|
|
error("Couldn't create temporary file %s for %s: %s\n",
|
|
request->tmpfile, request->filename, strerror(errno));
|
|
return;
|
|
}
|
|
|
|
memset(&request->stream, 0, sizeof(request->stream));
|
|
|
|
inflateInit(&request->stream);
|
|
|
|
SHA1_Init(&request->c);
|
|
|
|
url = xmalloc(strlen(request->repo->base) + 50);
|
|
request->url = xmalloc(strlen(request->repo->base) + 50);
|
|
strcpy(url, request->repo->base);
|
|
posn = url + strlen(request->repo->base);
|
|
strcpy(posn, "objects/");
|
|
posn += 8;
|
|
memcpy(posn, hex, 2);
|
|
posn += 2;
|
|
*(posn++) = '/';
|
|
strcpy(posn, hex + 2);
|
|
strcpy(request->url, url);
|
|
|
|
/* If a previous temp file is present, process what was already
|
|
fetched. */
|
|
prevlocal = open(prevfile, O_RDONLY);
|
|
if (prevlocal != -1) {
|
|
do {
|
|
prev_read = read(prevlocal, prev_buf, PREV_BUF_SIZE);
|
|
if (prev_read>0) {
|
|
if (fwrite_sha1_file(prev_buf,
|
|
1,
|
|
prev_read,
|
|
request) == prev_read) {
|
|
prev_posn += prev_read;
|
|
} else {
|
|
prev_read = -1;
|
|
}
|
|
}
|
|
} while (prev_read > 0);
|
|
close(prevlocal);
|
|
}
|
|
unlink(prevfile);
|
|
|
|
/* Reset inflate/SHA1 if there was an error reading the previous temp
|
|
file; also rewind to the beginning of the local file. */
|
|
if (prev_read == -1) {
|
|
memset(&request->stream, 0, sizeof(request->stream));
|
|
inflateInit(&request->stream);
|
|
SHA1_Init(&request->c);
|
|
if (prev_posn>0) {
|
|
prev_posn = 0;
|
|
lseek(request->local, SEEK_SET, 0);
|
|
ftruncate(request->local, 0);
|
|
}
|
|
}
|
|
|
|
slot = get_active_slot();
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, request);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file);
|
|
curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
|
|
|
|
/* If we have successfully processed data from a previous fetch
|
|
attempt, only fetch the data we don't already have. */
|
|
if (prev_posn>0) {
|
|
if (get_verbosely)
|
|
fprintf(stderr,
|
|
"Resuming fetch of object %s at byte %ld\n",
|
|
hex, prev_posn);
|
|
sprintf(range, "Range: bytes=%ld-", prev_posn);
|
|
range_header = curl_slist_append(range_header, range);
|
|
curl_easy_setopt(slot->curl,
|
|
CURLOPT_HTTPHEADER, range_header);
|
|
}
|
|
|
|
/* Try to get the request started, abort the request on error */
|
|
if (!start_active_slot(slot)) {
|
|
request->state = ABORTED;
|
|
close(request->local);
|
|
free(request->url);
|
|
return;
|
|
}
|
|
|
|
request->slot = slot;
|
|
request->state = ACTIVE;
|
|
}
|
|
|
|
static void finish_request(struct transfer_request *request)
|
|
{
|
|
struct stat st;
|
|
|
|
fchmod(request->local, 0444);
|
|
close(request->local);
|
|
|
|
if (request->http_code == 416) {
|
|
fprintf(stderr, "Warning: requested range invalid; we may already have all the data.\n");
|
|
} else if (request->curl_result != CURLE_OK) {
|
|
if (stat(request->tmpfile, &st) == 0)
|
|
if (st.st_size == 0)
|
|
unlink(request->tmpfile);
|
|
return;
|
|
}
|
|
|
|
inflateEnd(&request->stream);
|
|
SHA1_Final(request->real_sha1, &request->c);
|
|
if (request->zret != Z_STREAM_END) {
|
|
unlink(request->tmpfile);
|
|
return;
|
|
}
|
|
if (memcmp(request->sha1, request->real_sha1, 20)) {
|
|
unlink(request->tmpfile);
|
|
return;
|
|
}
|
|
request->rename =
|
|
move_temp_to_file(request->tmpfile, request->filename);
|
|
|
|
if (request->rename == 0)
|
|
pull_say("got %s\n", sha1_to_hex(request->sha1));
|
|
}
|
|
|
|
static void release_request(struct transfer_request *request)
|
|
{
|
|
struct transfer_request *entry = request_queue_head;
|
|
|
|
if (request == request_queue_head) {
|
|
request_queue_head = request->next;
|
|
} else {
|
|
while (entry->next != NULL && entry->next != request)
|
|
entry = entry->next;
|
|
if (entry->next == request)
|
|
entry->next = entry->next->next;
|
|
}
|
|
|
|
free(request->url);
|
|
free(request);
|
|
}
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
static void process_curl_messages(void)
|
|
{
|
|
int num_messages;
|
|
struct active_request_slot *slot;
|
|
struct transfer_request *request = NULL;
|
|
CURLMsg *curl_message = curl_multi_info_read(curlm, &num_messages);
|
|
|
|
while (curl_message != NULL) {
|
|
if (curl_message->msg == CURLMSG_DONE) {
|
|
int curl_result = curl_message->data.result;
|
|
slot = active_queue_head;
|
|
while (slot != NULL &&
|
|
slot->curl != curl_message->easy_handle)
|
|
slot = slot->next;
|
|
if (slot != NULL) {
|
|
curl_multi_remove_handle(curlm, slot->curl);
|
|
active_requests--;
|
|
slot->done = 1;
|
|
slot->in_use = 0;
|
|
slot->curl_result = curl_result;
|
|
curl_easy_getinfo(slot->curl,
|
|
CURLINFO_HTTP_CODE,
|
|
&slot->http_code);
|
|
request = request_queue_head;
|
|
while (request != NULL &&
|
|
request->slot != slot)
|
|
request = request->next;
|
|
} else {
|
|
fprintf(stderr, "Received DONE message for unknown request!\n");
|
|
}
|
|
|
|
/* Process slot callback if appropriate */
|
|
if (slot->callback_func != NULL) {
|
|
slot->callback_func(slot->callback_data);
|
|
}
|
|
|
|
if (request != NULL) {
|
|
request->curl_result = curl_result;
|
|
request->http_code = slot->http_code;
|
|
request->slot = NULL;
|
|
request->state = COMPLETE;
|
|
|
|
/* Use alternates if necessary */
|
|
if (request->http_code == 404) {
|
|
fetch_alternates(alt->base);
|
|
if (request->repo->next != NULL) {
|
|
request->repo =
|
|
request->repo->next;
|
|
start_request(request);
|
|
} else {
|
|
finish_request(request);
|
|
}
|
|
} else {
|
|
finish_request(request);
|
|
}
|
|
}
|
|
} else {
|
|
fprintf(stderr, "Unknown CURL message received: %d\n",
|
|
(int)curl_message->msg);
|
|
}
|
|
curl_message = curl_multi_info_read(curlm, &num_messages);
|
|
}
|
|
}
|
|
|
|
static void process_request_queue(void)
|
|
{
|
|
struct transfer_request *request = request_queue_head;
|
|
struct active_request_slot *slot = active_queue_head;
|
|
int num_transfers;
|
|
|
|
while (active_requests < max_requests && request != NULL) {
|
|
if (request->state == WAITING) {
|
|
if (has_sha1_file(request->sha1))
|
|
release_request(request);
|
|
else
|
|
start_request(request);
|
|
curl_multi_perform(curlm, &num_transfers);
|
|
}
|
|
request = request->next;
|
|
}
|
|
|
|
while (slot != NULL) {
|
|
if (!slot->in_use && slot->curl != NULL) {
|
|
curl_easy_cleanup(slot->curl);
|
|
slot->curl = NULL;
|
|
}
|
|
slot = slot->next;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void prefetch(unsigned char *sha1)
|
|
{
|
|
struct transfer_request *newreq;
|
|
struct transfer_request *tail;
|
|
char *filename = sha1_file_name(sha1);
|
|
|
|
newreq = xmalloc(sizeof(*newreq));
|
|
memcpy(newreq->sha1, sha1, 20);
|
|
newreq->repo = alt;
|
|
newreq->url = NULL;
|
|
newreq->local = -1;
|
|
newreq->state = WAITING;
|
|
snprintf(newreq->filename, sizeof(newreq->filename), "%s", filename);
|
|
snprintf(newreq->tmpfile, sizeof(newreq->tmpfile),
|
|
"%s.temp", filename);
|
|
newreq->next = NULL;
|
|
|
|
if (request_queue_head == NULL) {
|
|
request_queue_head = newreq;
|
|
} else {
|
|
tail = request_queue_head;
|
|
while (tail->next != NULL) {
|
|
tail = tail->next;
|
|
}
|
|
tail->next = newreq;
|
|
}
|
|
#ifdef USE_CURL_MULTI
|
|
process_request_queue();
|
|
process_curl_messages();
|
|
#endif
|
|
}
|
|
|
|
static int fetch_index(struct alt_base *repo, unsigned char *sha1)
|
|
{
|
|
char *hex = sha1_to_hex(sha1);
|
|
char *filename;
|
|
char *url;
|
|
char tmpfile[PATH_MAX];
|
|
long prev_posn = 0;
|
|
char range[RANGE_HEADER_SIZE];
|
|
struct curl_slist *range_header = NULL;
|
|
|
|
FILE *indexfile;
|
|
struct active_request_slot *slot;
|
|
|
|
if (has_pack_index(sha1))
|
|
return 0;
|
|
|
|
if (get_verbosely)
|
|
fprintf(stderr, "Getting index for pack %s\n", hex);
|
|
|
|
url = xmalloc(strlen(repo->base) + 64);
|
|
sprintf(url, "%s/objects/pack/pack-%s.idx", repo->base, hex);
|
|
|
|
filename = sha1_pack_index_name(sha1);
|
|
snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename);
|
|
indexfile = fopen(tmpfile, "a");
|
|
if (!indexfile)
|
|
return error("Unable to open local file %s for pack index",
|
|
filename);
|
|
|
|
slot = get_active_slot();
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
|
|
slot->local = indexfile;
|
|
|
|
/* If there is data present from a previous transfer attempt,
|
|
resume where it left off */
|
|
prev_posn = ftell(indexfile);
|
|
if (prev_posn>0) {
|
|
if (get_verbosely)
|
|
fprintf(stderr,
|
|
"Resuming fetch of index for pack %s at byte %ld\n",
|
|
hex, prev_posn);
|
|
sprintf(range, "Range: bytes=%ld-", prev_posn);
|
|
range_header = curl_slist_append(range_header, range);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header);
|
|
}
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (slot->curl_result != CURLE_OK) {
|
|
fclose(indexfile);
|
|
return error("Unable to get pack index %s\n%s", url,
|
|
curl_errorstr);
|
|
}
|
|
} else {
|
|
return error("Unable to start request");
|
|
}
|
|
|
|
fclose(indexfile);
|
|
|
|
return move_temp_to_file(tmpfile, filename);
|
|
}
|
|
|
|
static int setup_index(struct alt_base *repo, unsigned char *sha1)
|
|
{
|
|
struct packed_git *new_pack;
|
|
if (has_pack_file(sha1))
|
|
return 0; // don't list this as something we can get
|
|
|
|
if (fetch_index(repo, sha1))
|
|
return -1;
|
|
|
|
new_pack = parse_pack_index(sha1);
|
|
new_pack->next = repo->packs;
|
|
repo->packs = new_pack;
|
|
return 0;
|
|
}
|
|
|
|
static void process_alternates(void *callback_data)
|
|
{
|
|
struct alt_request *alt_req = (struct alt_request *)callback_data;
|
|
struct active_request_slot *slot = alt_req->slot;
|
|
struct alt_base *tail = alt;
|
|
char *base = alt_req->base;
|
|
static const char null_byte = '\0';
|
|
char *data;
|
|
int i = 0;
|
|
|
|
if (alt_req->http_specific) {
|
|
if (slot->curl_result != CURLE_OK ||
|
|
!alt_req->buffer->posn) {
|
|
|
|
/* Try reusing the slot to get non-http alternates */
|
|
alt_req->http_specific = 0;
|
|
sprintf(alt_req->url, "%s/objects/info/alternates",
|
|
base);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL,
|
|
alt_req->url);
|
|
active_requests++;
|
|
slot->in_use = 1;
|
|
slot->done = 0;
|
|
if (start_active_slot(slot)) {
|
|
return;
|
|
} else {
|
|
got_alternates = -1;
|
|
slot->done = 1;
|
|
return;
|
|
}
|
|
}
|
|
} else if (slot->curl_result != CURLE_OK) {
|
|
if (slot->http_code != 404) {
|
|
got_alternates = -1;
|
|
return;
|
|
}
|
|
}
|
|
|
|
fwrite_buffer_dynamic(&null_byte, 1, 1, alt_req->buffer);
|
|
alt_req->buffer->posn--;
|
|
data = alt_req->buffer->buffer;
|
|
|
|
while (i < alt_req->buffer->posn) {
|
|
int posn = i;
|
|
while (posn < alt_req->buffer->posn && data[posn] != '\n')
|
|
posn++;
|
|
if (data[posn] == '\n') {
|
|
int okay = 0;
|
|
int serverlen = 0;
|
|
struct alt_base *newalt;
|
|
char *target = NULL;
|
|
if (data[i] == '/') {
|
|
serverlen = strchr(base + 8, '/') - base;
|
|
okay = 1;
|
|
} else if (!memcmp(data + i, "../", 3)) {
|
|
i += 3;
|
|
serverlen = strlen(base);
|
|
while (i + 2 < posn &&
|
|
!memcmp(data + i, "../", 3)) {
|
|
do {
|
|
serverlen--;
|
|
} while (serverlen &&
|
|
base[serverlen - 1] != '/');
|
|
i += 3;
|
|
}
|
|
// If the server got removed, give up.
|
|
okay = strchr(base, ':') - base + 3 <
|
|
serverlen;
|
|
} else if (alt_req->http_specific) {
|
|
char *colon = strchr(data + i, ':');
|
|
char *slash = strchr(data + i, '/');
|
|
if (colon && slash && colon < data + posn &&
|
|
slash < data + posn && colon < slash) {
|
|
okay = 1;
|
|
}
|
|
}
|
|
// skip 'objects' at end
|
|
if (okay) {
|
|
target = xmalloc(serverlen + posn - i - 6);
|
|
strncpy(target, base, serverlen);
|
|
strncpy(target + serverlen, data + i,
|
|
posn - i - 7);
|
|
target[serverlen + posn - i - 7] = '\0';
|
|
if (get_verbosely)
|
|
fprintf(stderr,
|
|
"Also look at %s\n", target);
|
|
newalt = xmalloc(sizeof(*newalt));
|
|
newalt->next = NULL;
|
|
newalt->base = target;
|
|
newalt->got_indices = 0;
|
|
newalt->packs = NULL;
|
|
while (tail->next != NULL)
|
|
tail = tail->next;
|
|
tail->next = newalt;
|
|
}
|
|
}
|
|
i = posn + 1;
|
|
}
|
|
|
|
got_alternates = 1;
|
|
}
|
|
|
|
static void fetch_alternates(char *base)
|
|
{
|
|
struct buffer buffer;
|
|
char *url;
|
|
char *data;
|
|
struct active_request_slot *slot;
|
|
static struct alt_request alt_req;
|
|
int num_transfers;
|
|
|
|
/* If another request has already started fetching alternates,
|
|
wait for them to arrive and return to processing this request's
|
|
curl message */
|
|
while (got_alternates == 0) {
|
|
curl_multi_perform(curlm, &num_transfers);
|
|
process_curl_messages();
|
|
process_request_queue();
|
|
}
|
|
|
|
/* Nothing to do if they've already been fetched */
|
|
if (got_alternates == 1)
|
|
return;
|
|
|
|
/* Start the fetch */
|
|
got_alternates = 0;
|
|
|
|
data = xmalloc(4096);
|
|
buffer.size = 4096;
|
|
buffer.posn = 0;
|
|
buffer.buffer = data;
|
|
|
|
if (get_verbosely)
|
|
fprintf(stderr, "Getting alternates list for %s\n", base);
|
|
|
|
url = xmalloc(strlen(base) + 31);
|
|
sprintf(url, "%s/objects/info/http-alternates", base);
|
|
|
|
/* Use a callback to process the result, since another request
|
|
may fail and need to have alternates loaded before continuing */
|
|
slot = get_active_slot();
|
|
slot->callback_func = process_alternates;
|
|
slot->callback_data = &alt_req;
|
|
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION,
|
|
fwrite_buffer_dynamic);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
|
|
alt_req.base = base;
|
|
alt_req.url = url;
|
|
alt_req.buffer = &buffer;
|
|
alt_req.http_specific = 1;
|
|
alt_req.slot = slot;
|
|
|
|
if (start_active_slot(slot))
|
|
run_active_slot(slot);
|
|
else
|
|
got_alternates = -1;
|
|
|
|
free(data);
|
|
free(url);
|
|
}
|
|
|
|
static int fetch_indices(struct alt_base *repo)
|
|
{
|
|
unsigned char sha1[20];
|
|
char *url;
|
|
struct buffer buffer;
|
|
char *data;
|
|
int i = 0;
|
|
|
|
struct active_request_slot *slot;
|
|
|
|
if (repo->got_indices)
|
|
return 0;
|
|
|
|
data = xmalloc(4096);
|
|
buffer.size = 4096;
|
|
buffer.posn = 0;
|
|
buffer.buffer = data;
|
|
|
|
if (get_verbosely)
|
|
fprintf(stderr, "Getting pack list for %s\n", repo->base);
|
|
|
|
url = xmalloc(strlen(repo->base) + 21);
|
|
sprintf(url, "%s/objects/info/packs", repo->base);
|
|
|
|
slot = get_active_slot();
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION,
|
|
fwrite_buffer_dynamic);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL);
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (slot->curl_result != CURLE_OK) {
|
|
free(buffer.buffer);
|
|
return error("%s", curl_errorstr);
|
|
}
|
|
} else {
|
|
free(buffer.buffer);
|
|
return error("Unable to start request");
|
|
}
|
|
|
|
data = buffer.buffer;
|
|
while (i < buffer.posn) {
|
|
switch (data[i]) {
|
|
case 'P':
|
|
i++;
|
|
if (i + 52 < buffer.posn &&
|
|
!strncmp(data + i, " pack-", 6) &&
|
|
!strncmp(data + i + 46, ".pack\n", 6)) {
|
|
get_sha1_hex(data + i + 6, sha1);
|
|
setup_index(repo, sha1);
|
|
i += 51;
|
|
break;
|
|
}
|
|
default:
|
|
while (data[i] != '\n')
|
|
i++;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
free(buffer.buffer);
|
|
repo->got_indices = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int fetch_pack(struct alt_base *repo, unsigned char *sha1)
|
|
{
|
|
char *url;
|
|
struct packed_git *target;
|
|
struct packed_git **lst;
|
|
FILE *packfile;
|
|
char *filename;
|
|
char tmpfile[PATH_MAX];
|
|
int ret;
|
|
long prev_posn = 0;
|
|
char range[RANGE_HEADER_SIZE];
|
|
struct curl_slist *range_header = NULL;
|
|
|
|
struct active_request_slot *slot;
|
|
|
|
if (fetch_indices(repo))
|
|
return -1;
|
|
target = find_sha1_pack(sha1, repo->packs);
|
|
if (!target)
|
|
return -1;
|
|
|
|
if (get_verbosely) {
|
|
fprintf(stderr, "Getting pack %s\n",
|
|
sha1_to_hex(target->sha1));
|
|
fprintf(stderr, " which contains %s\n",
|
|
sha1_to_hex(sha1));
|
|
}
|
|
|
|
url = xmalloc(strlen(repo->base) + 65);
|
|
sprintf(url, "%s/objects/pack/pack-%s.pack",
|
|
repo->base, sha1_to_hex(target->sha1));
|
|
|
|
filename = sha1_pack_name(target->sha1);
|
|
snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename);
|
|
packfile = fopen(tmpfile, "a");
|
|
if (!packfile)
|
|
return error("Unable to open local file %s for pack",
|
|
filename);
|
|
|
|
slot = get_active_slot();
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
|
|
slot->local = packfile;
|
|
|
|
/* If there is data present from a previous transfer attempt,
|
|
resume where it left off */
|
|
prev_posn = ftell(packfile);
|
|
if (prev_posn>0) {
|
|
if (get_verbosely)
|
|
fprintf(stderr,
|
|
"Resuming fetch of pack %s at byte %ld\n",
|
|
sha1_to_hex(target->sha1), prev_posn);
|
|
sprintf(range, "Range: bytes=%ld-", prev_posn);
|
|
range_header = curl_slist_append(range_header, range);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header);
|
|
}
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (slot->curl_result != CURLE_OK) {
|
|
fclose(packfile);
|
|
return error("Unable to get pack file %s\n%s", url,
|
|
curl_errorstr);
|
|
}
|
|
} else {
|
|
return error("Unable to start request");
|
|
}
|
|
|
|
fclose(packfile);
|
|
|
|
ret = move_temp_to_file(tmpfile, filename);
|
|
if (ret)
|
|
return ret;
|
|
|
|
lst = &repo->packs;
|
|
while (*lst != target)
|
|
lst = &((*lst)->next);
|
|
*lst = (*lst)->next;
|
|
|
|
if (verify_pack(target, 0))
|
|
return -1;
|
|
install_packed_git(target);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int fetch_object(struct alt_base *repo, unsigned char *sha1)
|
|
{
|
|
char *hex = sha1_to_hex(sha1);
|
|
int ret;
|
|
struct transfer_request *request = request_queue_head;
|
|
|
|
while (request != NULL && memcmp(request->sha1, sha1, 20))
|
|
request = request->next;
|
|
if (request == NULL)
|
|
return error("Couldn't find request for %s in the queue", hex);
|
|
|
|
if (has_sha1_file(request->sha1)) {
|
|
release_request(request);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
while (request->state == WAITING) {
|
|
int num_transfers;
|
|
curl_multi_perform(curlm, &num_transfers);
|
|
if (num_transfers < active_requests) {
|
|
process_curl_messages();
|
|
process_request_queue();
|
|
}
|
|
}
|
|
#else
|
|
start_request(request);
|
|
#endif
|
|
|
|
while (request->state == ACTIVE) {
|
|
run_active_slot(request->slot);
|
|
#ifndef USE_CURL_MULTI
|
|
request->curl_result = request->slot->curl_result;
|
|
request->http_code = request->slot->http_code;
|
|
request->slot = NULL;
|
|
|
|
/* Use alternates if necessary */
|
|
if (request->http_code == 404) {
|
|
fetch_alternates(alt->base);
|
|
if (request->repo->next != NULL) {
|
|
request->repo = request->repo->next;
|
|
start_request(request);
|
|
}
|
|
} else {
|
|
finish_request(request);
|
|
request->state = COMPLETE;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (request->state == ABORTED) {
|
|
release_request(request);
|
|
return error("Request for %s aborted", hex);
|
|
}
|
|
|
|
if (request->curl_result != CURLE_OK && request->http_code != 416) {
|
|
if (request->http_code == 404)
|
|
ret = -1; /* Be silent, it is probably in a pack. */
|
|
else
|
|
ret = error("%s (curl_result = %d, http_code = %ld, sha1 = %s)",
|
|
request->errorstr, request->curl_result,
|
|
request->http_code, hex);
|
|
release_request(request);
|
|
return ret;
|
|
}
|
|
|
|
if (request->zret != Z_STREAM_END) {
|
|
ret = error("File %s (%s) corrupt\n", hex, request->url);
|
|
release_request(request);
|
|
return ret;
|
|
}
|
|
|
|
if (memcmp(request->sha1, request->real_sha1, 20)) {
|
|
release_request(request);
|
|
return error("File %s has bad hash\n", hex);
|
|
}
|
|
|
|
if (request->rename < 0) {
|
|
ret = error("unable to write sha1 filename %s: %s",
|
|
request->filename,
|
|
strerror(request->rename));
|
|
release_request(request);
|
|
return ret;
|
|
}
|
|
|
|
release_request(request);
|
|
return 0;
|
|
}
|
|
|
|
int fetch(unsigned char *sha1)
|
|
{
|
|
struct alt_base *altbase = alt;
|
|
|
|
if (!fetch_object(altbase, sha1))
|
|
return 0;
|
|
while (altbase) {
|
|
if (!fetch_pack(altbase, sha1))
|
|
return 0;
|
|
fetch_alternates(alt->base);
|
|
altbase = altbase->next;
|
|
}
|
|
return error("Unable to find %s under %s\n", sha1_to_hex(sha1),
|
|
alt->base);
|
|
}
|
|
|
|
static inline int needs_quote(int ch)
|
|
{
|
|
switch (ch) {
|
|
case '/': case '-': case '.':
|
|
case 'A'...'Z': case 'a'...'z': case '0'...'9':
|
|
return 0;
|
|
default:
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static inline int hex(int v)
|
|
{
|
|
if (v < 10) return '0' + v;
|
|
else return 'A' + v - 10;
|
|
}
|
|
|
|
static char *quote_ref_url(const char *base, const char *ref)
|
|
{
|
|
const char *cp;
|
|
char *dp, *qref;
|
|
int len, baselen, ch;
|
|
|
|
baselen = strlen(base);
|
|
len = baselen + 6; /* "refs/" + NUL */
|
|
for (cp = ref; (ch = *cp) != 0; cp++, len++)
|
|
if (needs_quote(ch))
|
|
len += 2; /* extra two hex plus replacement % */
|
|
qref = xmalloc(len);
|
|
memcpy(qref, base, baselen);
|
|
memcpy(qref + baselen, "refs/", 5);
|
|
for (cp = ref, dp = qref + baselen + 5; (ch = *cp) != 0; cp++) {
|
|
if (needs_quote(ch)) {
|
|
*dp++ = '%';
|
|
*dp++ = hex((ch >> 4) & 0xF);
|
|
*dp++ = hex(ch & 0xF);
|
|
}
|
|
else
|
|
*dp++ = ch;
|
|
}
|
|
*dp = 0;
|
|
|
|
return qref;
|
|
}
|
|
|
|
int fetch_ref(char *ref, unsigned char *sha1)
|
|
{
|
|
char *url;
|
|
char hex[42];
|
|
struct buffer buffer;
|
|
char *base = alt->base;
|
|
struct active_request_slot *slot;
|
|
buffer.size = 41;
|
|
buffer.posn = 0;
|
|
buffer.buffer = hex;
|
|
hex[41] = '\0';
|
|
|
|
url = quote_ref_url(base, ref);
|
|
slot = get_active_slot();
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (slot->curl_result != CURLE_OK)
|
|
return error("Couldn't get %s for %s\n%s",
|
|
url, ref, curl_errorstr);
|
|
} else {
|
|
return error("Unable to start request");
|
|
}
|
|
|
|
hex[40] = '\0';
|
|
get_sha1_hex(hex, sha1);
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *commit_id;
|
|
char *url;
|
|
int arg = 1;
|
|
struct active_request_slot *slot;
|
|
char *low_speed_limit;
|
|
char *low_speed_time;
|
|
char *wait_url;
|
|
int rc = 0;
|
|
|
|
while (arg < argc && argv[arg][0] == '-') {
|
|
if (argv[arg][1] == 't') {
|
|
get_tree = 1;
|
|
} else if (argv[arg][1] == 'c') {
|
|
get_history = 1;
|
|
} else if (argv[arg][1] == 'a') {
|
|
get_all = 1;
|
|
get_tree = 1;
|
|
get_history = 1;
|
|
} else if (argv[arg][1] == 'v') {
|
|
get_verbosely = 1;
|
|
} else if (argv[arg][1] == 'w') {
|
|
write_ref = argv[arg + 1];
|
|
arg++;
|
|
} else if (!strcmp(argv[arg], "--recover")) {
|
|
get_recover = 1;
|
|
}
|
|
arg++;
|
|
}
|
|
if (argc < arg + 2) {
|
|
usage("git-http-fetch [-c] [-t] [-a] [-d] [-v] [--recover] [-w ref] commit-id url");
|
|
return 1;
|
|
}
|
|
commit_id = argv[arg];
|
|
url = argv[arg + 1];
|
|
|
|
curl_global_init(CURL_GLOBAL_ALL);
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
{
|
|
char *http_max_requests = getenv("GIT_HTTP_MAX_REQUESTS");
|
|
if (http_max_requests != NULL)
|
|
max_requests = atoi(http_max_requests);
|
|
}
|
|
|
|
curlm = curl_multi_init();
|
|
if (curlm == NULL) {
|
|
fprintf(stderr, "Error creating curl multi handle.\n");
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
if (getenv("GIT_SSL_NO_VERIFY"))
|
|
curl_ssl_verify = 0;
|
|
|
|
ssl_cert = getenv("GIT_SSL_CERT");
|
|
#if LIBCURL_VERSION_NUM >= 0x070902
|
|
ssl_key = getenv("GIT_SSL_KEY");
|
|
#endif
|
|
#if LIBCURL_VERSION_NUM >= 0x070908
|
|
ssl_capath = getenv("GIT_SSL_CAPATH");
|
|
#endif
|
|
ssl_cainfo = getenv("GIT_SSL_CAINFO");
|
|
|
|
low_speed_limit = getenv("GIT_HTTP_LOW_SPEED_LIMIT");
|
|
if (low_speed_limit != NULL)
|
|
curl_low_speed_limit = strtol(low_speed_limit, NULL, 10);
|
|
low_speed_time = getenv("GIT_HTTP_LOW_SPEED_TIME");
|
|
if (low_speed_time != NULL)
|
|
curl_low_speed_time = strtol(low_speed_time, NULL, 10);
|
|
|
|
git_config(http_options);
|
|
|
|
if (curl_ssl_verify == -1)
|
|
curl_ssl_verify = 1;
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
if (max_requests < 1)
|
|
max_requests = DEFAULT_MAX_REQUESTS;
|
|
#endif
|
|
|
|
pragma_header = curl_slist_append(pragma_header, "Pragma: no-cache");
|
|
no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:");
|
|
no_range_header = curl_slist_append(no_range_header, "Range:");
|
|
|
|
#ifndef NO_CURL_EASY_DUPHANDLE
|
|
curl_default = get_curl_handle();
|
|
#endif
|
|
|
|
alt = xmalloc(sizeof(*alt));
|
|
alt->base = url;
|
|
alt->got_indices = 0;
|
|
alt->packs = NULL;
|
|
alt->next = NULL;
|
|
|
|
if (pull(commit_id))
|
|
rc = 1;
|
|
|
|
curl_slist_free_all(pragma_header);
|
|
curl_slist_free_all(no_pragma_header);
|
|
curl_slist_free_all(no_range_header);
|
|
#ifndef NO_CURL_EASY_DUPHANDLE
|
|
curl_easy_cleanup(curl_default);
|
|
#endif
|
|
slot = active_queue_head;
|
|
while (slot != NULL) {
|
|
if (slot->in_use) {
|
|
if (get_verbosely) {
|
|
curl_easy_getinfo(slot->curl,
|
|
CURLINFO_EFFECTIVE_URL,
|
|
&wait_url);
|
|
fprintf(stderr, "Waiting for %s\n", wait_url);
|
|
}
|
|
run_active_slot(slot);
|
|
}
|
|
if (slot->curl != NULL)
|
|
curl_easy_cleanup(slot->curl);
|
|
slot = slot->next;
|
|
}
|
|
#ifdef USE_CURL_MULTI
|
|
curl_multi_cleanup(curlm);
|
|
#endif
|
|
curl_global_cleanup();
|
|
return rc;
|
|
}
|