#include "cache.h"
#include "commit.h"
-#include "pack.h"
-#include "fetch.h"
#include "tag.h"
#include "blob.h"
#include "http.h"
+#include "refs.h"
+#include "diff.h"
+#include "revision.h"
+#include "exec_cmd.h"
+#include "remote.h"
+#include "list-objects.h"
+#include "sigchain.h"
#include <expat.h>
static const char http_push_usage[] =
-"git-http-push [--complete] [--force] [--verbose] <url> <ref> [<ref>...]\n";
+"git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n";
#ifndef XML_STATUS_OK
enum XML_Status {
#define XML_STATUS_ERROR 0
#endif
-#define RANGE_HEADER_SIZE 30
+#define PREV_BUF_SIZE 4096
/* DAV methods */
#define DAV_LOCK "LOCK"
#define DAV_PROPFIND "PROPFIND"
#define DAV_PUT "PUT"
#define DAV_UNLOCK "UNLOCK"
+#define DAV_DELETE "DELETE"
/* DAV lock flags */
#define DAV_PROP_LOCKWR (1u << 0)
#define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href"
#define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout"
#define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href"
+#define DAV_PROPFIND_RESP ".multistatus.response"
+#define DAV_PROPFIND_NAME ".multistatus.response.href"
+#define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection"
/* DAV request body templates */
-#define PROPFIND_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:prop xmlns:R=\"%s\">\n<D:supportedlock/>\n</D:prop>\n</D:propfind>"
+#define PROPFIND_SUPPORTEDLOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:prop xmlns:R=\"%s\">\n<D:supportedlock/>\n</D:prop>\n</D:propfind>"
+#define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>"
#define LOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:lockinfo xmlns:D=\"DAV:\">\n<D:lockscope><D:exclusive/></D:lockscope>\n<D:locktype><D:write/></D:locktype>\n<D:owner>\n<D:href>mailto:%s</D:href>\n</D:owner>\n</D:lockinfo>"
#define LOCK_TIME 600
#define LOCK_REFRESH 30
-static int pushing = 0;
-static int aborted = 0;
-static char remote_dir_exists[256];
+/* bits #0-15 in revision.h */
-static struct curl_slist *no_pragma_header;
-static struct curl_slist *default_headers;
+#define LOCAL (1u<<16)
+#define REMOTE (1u<<17)
+#define FETCHING (1u<<18)
+#define PUSHING (1u<<19)
-static int push_verbosely = 0;
-static int push_all = 0;
-static int force_all = 0;
+/* We allow "recursive" symbolic refs. Only within reason, though */
+#define MAXDEPTH 5
+
+static int pushing;
+static int aborted;
+static signed char remote_dir_exists[256];
+
+static int push_verbosely;
+static int push_all = MATCH_REFS_NONE;
+static int force_all;
+static int dry_run;
+static int helper_status;
+
+static struct object_list *objects;
struct repo
{
char *url;
+ char *path;
+ int path_len;
+ int has_info_refs;
+ int can_update_info_refs;
+ int has_info_packs;
struct packed_git *packs;
+ struct remote_lock *locks;
};
-static struct repo *remote = NULL;
+static struct repo *repo;
enum transfer_state {
- NEED_CHECK,
- RUN_HEAD,
+ NEED_FETCH,
+ RUN_FETCH_LOOSE,
+ RUN_FETCH_PACKED,
NEED_PUSH,
RUN_MKCOL,
RUN_PUT,
struct transfer_request
{
- unsigned char sha1[20];
+ struct object *obj;
char *url;
char *dest;
- struct active_lock *lock;
+ struct remote_lock *lock;
struct curl_slist *headers;
struct buffer buffer;
- char filename[PATH_MAX];
- char tmpfile[PATH_MAX];
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;
+ void *userData;
struct active_request_slot *slot;
struct transfer_request *next;
};
-static struct transfer_request *request_queue_head = NULL;
+static struct transfer_request *request_queue_head;
struct xml_ctx
{
void *userData;
};
-struct active_lock
+struct remote_lock
{
char *url;
char *owner;
char *token;
+ char tmpfile_suffix[41];
time_t start_time;
long timeout;
int refreshing;
+ struct remote_lock *next;
+};
+
+/* Flags that control remote_ls processing */
+#define PROCESS_FILES (1u << 0)
+#define PROCESS_DIRS (1u << 1)
+#define RECURSIVE (1u << 2)
+
+/* Flags that remote_ls passes to callback functions */
+#define IS_DIR (1u << 0)
+
+struct remote_ls_ctx
+{
+ char *path;
+ void (*userFunc)(struct remote_ls_ctx *ls);
+ void *userData;
+ int flags;
+ char *dentry_name;
+ int dentry_flags;
+ struct remote_ls_ctx *parent;
};
+/* get_dav_token_headers options */
+enum dav_header_flag {
+ DAV_HEADER_IF = (1u << 0),
+ DAV_HEADER_LOCK = (1u << 1),
+ DAV_HEADER_TIMEOUT = (1u << 2)
+};
+
+static char *xml_entities(char *s)
+{
+ struct strbuf buf = STRBUF_INIT;
+ while (*s) {
+ size_t len = strcspn(s, "\"<>&");
+ strbuf_add(&buf, s, len);
+ s += len;
+ switch (*s) {
+ case '"':
+ strbuf_addstr(&buf, """);
+ break;
+ case '<':
+ strbuf_addstr(&buf, "<");
+ break;
+ case '>':
+ strbuf_addstr(&buf, ">");
+ break;
+ case '&':
+ strbuf_addstr(&buf, "&");
+ break;
+ case 0:
+ return strbuf_detach(&buf, NULL);
+ }
+ s++;
+ }
+ return strbuf_detach(&buf, NULL);
+}
+
+static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options)
+{
+ struct strbuf buf = STRBUF_INIT;
+ struct curl_slist *dav_headers = NULL;
+
+ if (options & DAV_HEADER_IF) {
+ strbuf_addf(&buf, "If: (<%s>)", lock->token);
+ dav_headers = curl_slist_append(dav_headers, buf.buf);
+ strbuf_reset(&buf);
+ }
+ if (options & DAV_HEADER_LOCK) {
+ strbuf_addf(&buf, "Lock-Token: <%s>", lock->token);
+ dav_headers = curl_slist_append(dav_headers, buf.buf);
+ strbuf_reset(&buf);
+ }
+ if (options & DAV_HEADER_TIMEOUT) {
+ strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout);
+ dav_headers = curl_slist_append(dav_headers, buf.buf);
+ strbuf_reset(&buf);
+ }
+ strbuf_release(&buf);
+
+ return dav_headers;
+}
+
static void finish_request(struct transfer_request *request);
+static void release_request(struct transfer_request *request);
static void process_response(void *callback_data)
{
finish_request(request);
}
-static void start_check(struct transfer_request *request)
+#ifdef USE_CURL_MULTI
+
+static void start_fetch_loose(struct transfer_request *request)
{
- char *hex = sha1_to_hex(request->sha1);
struct active_request_slot *slot;
- char *posn;
-
- request->url = xmalloc(strlen(remote->url) + 55);
- strcpy(request->url, remote->url);
- posn = request->url + strlen(remote->url);
- strcpy(posn, "objects/");
- posn += 8;
- memcpy(posn, hex, 2);
- posn += 2;
- *(posn++) = '/';
- strcpy(posn, hex + 2);
+ struct http_object_request *obj_req;
- slot = get_active_slot();
+ obj_req = new_http_object_request(repo->url, request->obj->sha1);
+ if (obj_req == NULL) {
+ request->state = ABORTED;
+ return;
+ }
+
+ slot = obj_req->slot;
slot->callback_func = process_response;
slot->callback_data = request;
- curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr);
- curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
- curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1);
-
- if (start_active_slot(slot)) {
- request->slot = slot;
- request->state = RUN_HEAD;
- } else {
- request->state = ABORTED;
- free(request->url);
- request->url = NULL;
+ request->slot = slot;
+ request->userData = obj_req;
+
+ /* Try to get the request started, abort the request on error */
+ request->state = RUN_FETCH_LOOSE;
+ if (!start_active_slot(slot)) {
+ fprintf(stderr, "Unable to start GET request\n");
+ repo->can_update_info_refs = 0;
+ release_http_object_request(obj_req);
+ release_request(request);
}
}
static void start_mkcol(struct transfer_request *request)
{
- char *hex = sha1_to_hex(request->sha1);
+ char *hex = sha1_to_hex(request->obj->sha1);
struct active_request_slot *slot;
- char *posn;
- request->url = xmalloc(strlen(remote->url) + 13);
- strcpy(request->url, remote->url);
- posn = request->url + strlen(remote->url);
- strcpy(posn, "objects/");
- posn += 8;
- memcpy(posn, hex, 2);
- posn += 2;
- strcpy(posn, "/");
+ request->url = get_remote_object_url(repo->url, hex, 1);
slot = get_active_slot();
slot->callback_func = process_response;
request->url = NULL;
}
}
+#endif
+
+static void start_fetch_packed(struct transfer_request *request)
+{
+ struct packed_git *target;
+
+ struct transfer_request *check_request = request_queue_head;
+ struct http_pack_request *preq;
+
+ target = find_sha1_pack(request->obj->sha1, repo->packs);
+ if (!target) {
+ fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request->obj->sha1));
+ repo->can_update_info_refs = 0;
+ release_request(request);
+ return;
+ }
+
+ fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1));
+ fprintf(stderr, " which contains %s\n", sha1_to_hex(request->obj->sha1));
+
+ preq = new_http_pack_request(target, repo->url);
+ if (preq == NULL) {
+ release_http_pack_request(preq);
+ repo->can_update_info_refs = 0;
+ return;
+ }
+ preq->lst = &repo->packs;
+
+ /* Make sure there isn't another open request for this pack */
+ while (check_request) {
+ if (check_request->state == RUN_FETCH_PACKED &&
+ !strcmp(check_request->url, preq->url)) {
+ release_http_pack_request(preq);
+ release_request(request);
+ return;
+ }
+ check_request = check_request->next;
+ }
+
+ preq->slot->callback_func = process_response;
+ preq->slot->callback_data = request;
+ request->slot = preq->slot;
+ request->userData = preq;
+
+ /* Try to get the request started, abort the request on error */
+ request->state = RUN_FETCH_PACKED;
+ if (!start_active_slot(preq->slot)) {
+ fprintf(stderr, "Unable to start GET request\n");
+ release_http_pack_request(preq);
+ repo->can_update_info_refs = 0;
+ release_request(request);
+ }
+}
static void start_put(struct transfer_request *request)
{
- char *hex = sha1_to_hex(request->sha1);
+ char *hex = sha1_to_hex(request->obj->sha1);
struct active_request_slot *slot;
- char *posn;
- char type[20];
+ struct strbuf buf = STRBUF_INIT;
+ enum object_type type;
char hdr[50];
void *unpacked;
unsigned long len;
ssize_t size;
z_stream stream;
- unpacked = read_sha1_file(request->sha1, type, &len);
- hdrlen = sprintf(hdr, "%s %lu", type, len) + 1;
+ unpacked = read_sha1_file(request->obj->sha1, &type, &len);
+ hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
/* Set it up */
memset(&stream, 0, sizeof(stream));
- deflateInit(&stream, Z_BEST_COMPRESSION);
+ deflateInit(&stream, zlib_compression_level);
size = deflateBound(&stream, len + hdrlen);
- request->buffer.buffer = xmalloc(size);
+ strbuf_init(&request->buffer.buf, size);
+ request->buffer.posn = 0;
/* Compress it */
- stream.next_out = request->buffer.buffer;
+ stream.next_out = (unsigned char *)request->buffer.buf.buf;
stream.avail_out = size;
/* First header.. */
deflateEnd(&stream);
free(unpacked);
- request->buffer.size = stream.total_out;
- request->buffer.posn = 0;
+ request->buffer.buf.len = stream.total_out;
- request->url = xmalloc(strlen(remote->url) +
- strlen(request->lock->token) + 51);
- strcpy(request->url, remote->url);
- posn = request->url + strlen(remote->url);
- strcpy(posn, "objects/");
- posn += 8;
- memcpy(posn, hex, 2);
- posn += 2;
- *(posn++) = '/';
- strcpy(posn, hex + 2);
- request->dest = xmalloc(strlen(request->url) + 14);
- sprintf(request->dest, "Destination: %s", request->url);
- posn += 38;
- *(posn++) = '.';
- strcpy(posn, request->lock->token);
+ strbuf_addstr(&buf, "Destination: ");
+ append_remote_object_url(&buf, repo->url, hex, 0);
+ request->dest = strbuf_detach(&buf, NULL);
+
+ append_remote_object_url(&buf, repo->url, hex, 0);
+ strbuf_add(&buf, request->lock->tmpfile_suffix, 41);
+ request->url = strbuf_detach(&buf, NULL);
slot = get_active_slot();
slot->callback_func = process_response;
slot->callback_data = request;
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer);
- curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.size);
+ curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.buf.len);
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
+#ifndef NO_CURL_IOCTL
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &request->buffer);
+#endif
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
+ curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
- curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
if (start_active_slot(slot)) {
}
}
-static int refresh_lock(struct active_lock *lock)
+static int refresh_lock(struct remote_lock *lock)
{
struct active_request_slot *slot;
- char *if_header;
- char timeout_header[25];
- struct curl_slist *dav_headers = NULL;
+ struct slot_results results;
+ struct curl_slist *dav_headers;
int rc = 0;
lock->refreshing = 1;
- if_header = xmalloc(strlen(lock->token) + 25);
- sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token);
- sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout);
- dav_headers = curl_slist_append(dav_headers, if_header);
- dav_headers = curl_slist_append(dav_headers, timeout_header);
+ dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF | DAV_HEADER_TIMEOUT);
slot = get_active_slot();
+ slot->results = &results;
curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
if (start_active_slot(slot)) {
run_active_slot(slot);
- if (slot->curl_result != CURLE_OK) {
- fprintf(stderr, "Got HTTP error %ld\n", slot->http_code);
+ if (results.curl_result != CURLE_OK) {
+ fprintf(stderr, "LOCK HTTP error %ld\n",
+ results.http_code);
} else {
lock->start_time = time(NULL);
rc = 1;
lock->refreshing = 0;
curl_slist_free_all(dav_headers);
- free(if_header);
return rc;
}
-static void finish_request(struct transfer_request *request)
+static void check_locks(void)
{
+ struct remote_lock *lock = repo->locks;
time_t current_time = time(NULL);
int time_remaining;
- request->curl_result = request->slot->curl_result;
+ while (lock) {
+ time_remaining = lock->start_time + lock->timeout -
+ current_time;
+ if (!lock->refreshing && time_remaining < LOCK_REFRESH) {
+ if (!refresh_lock(lock)) {
+ fprintf(stderr,
+ "Unable to refresh lock for %s\n",
+ lock->url);
+ aborted = 1;
+ return;
+ }
+ }
+ lock = lock->next;
+ }
+}
+
+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);
+}
+
+static void finish_request(struct transfer_request *request)
+{
+ struct http_pack_request *preq;
+ struct http_object_request *obj_req;
+
+ request->curl_result = request->slot->curl_result;
request->http_code = request->slot->http_code;
request->slot = NULL;
- /* Refresh the lock if it is close to timing out */
- time_remaining = request->lock->start_time + request->lock->timeout
- - current_time;
- if (time_remaining < LOCK_REFRESH && !request->lock->refreshing) {
- if (!refresh_lock(request->lock)) {
- fprintf(stderr, "Unable to refresh remote lock\n");
- aborted = 1;
- }
- }
+ /* Keep locks active */
+ check_locks();
if (request->headers != NULL)
curl_slist_free_all(request->headers);
if (request->state != RUN_PUT) {
free(request->url);
request->url = NULL;
- }
-
- if (request->state == RUN_HEAD) {
- if (request->http_code == 404) {
- request->state = NEED_PUSH;
- } else if (request->curl_result == CURLE_OK) {
- remote_dir_exists[request->sha1[0]] = 1;
- request->state = COMPLETE;
- } else {
- fprintf(stderr, "HEAD %s failed, aborting (%d/%ld)\n",
- sha1_to_hex(request->sha1),
- request->curl_result, request->http_code);
- request->state = ABORTED;
- aborted = 1;
- }
- } else if (request->state == RUN_MKCOL) {
+ }
+
+ if (request->state == RUN_MKCOL) {
if (request->curl_result == CURLE_OK ||
request->http_code == 405) {
- remote_dir_exists[request->sha1[0]] = 1;
+ remote_dir_exists[request->obj->sha1[0]] = 1;
start_put(request);
} else {
fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n",
- sha1_to_hex(request->sha1),
+ sha1_to_hex(request->obj->sha1),
request->curl_result, request->http_code);
request->state = ABORTED;
aborted = 1;
start_move(request);
} else {
fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n",
- sha1_to_hex(request->sha1),
+ sha1_to_hex(request->obj->sha1),
request->curl_result, request->http_code);
request->state = ABORTED;
aborted = 1;
} else if (request->state == RUN_MOVE) {
if (request->curl_result == CURLE_OK) {
if (push_verbosely)
- fprintf(stderr,
- "sent %s\n",
- sha1_to_hex(request->sha1));
- request->state = COMPLETE;
+ fprintf(stderr, " sent %s\n",
+ sha1_to_hex(request->obj->sha1));
+ request->obj->flags |= REMOTE;
+ release_request(request);
} else {
fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n",
- sha1_to_hex(request->sha1),
+ sha1_to_hex(request->obj->sha1),
request->curl_result, request->http_code);
request->state = ABORTED;
aborted = 1;
}
- }
-}
-
-static void release_request(struct transfer_request *request)
-{
- struct transfer_request *entry = request_queue_head;
+ } else if (request->state == RUN_FETCH_LOOSE) {
+ obj_req = (struct http_object_request *)request->userData;
+
+ if (finish_http_object_request(obj_req) == 0)
+ if (obj_req->rename == 0)
+ request->obj->flags |= (LOCAL | REMOTE);
+
+ /* Try fetching packed if necessary */
+ if (request->obj->flags & LOCAL) {
+ release_http_object_request(obj_req);
+ release_request(request);
+ } else
+ start_fetch_packed(request);
+
+ } else if (request->state == RUN_FETCH_PACKED) {
+ int fail = 1;
+ if (request->curl_result != CURLE_OK) {
+ fprintf(stderr, "Unable to get pack file %s\n%s",
+ request->url, curl_errorstr);
+ } else {
+ preq = (struct http_pack_request *)request->userData;
- 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;
+ if (preq) {
+ if (finish_http_pack_request(preq) == 0)
+ fail = 0;
+ release_http_pack_request(preq);
+ }
+ }
+ if (fail)
+ repo->can_update_info_refs = 0;
+ release_request(request);
}
-
- if (request->url != NULL)
- free(request->url);
- free(request);
}
-void fill_active_slots(void)
+#ifdef USE_CURL_MULTI
+static int is_running_queue;
+static int fill_active_slot(void *unused)
{
- struct transfer_request *request = request_queue_head;
- struct active_request_slot *slot = active_queue_head;
- int num_transfers;
+ struct transfer_request *request;
- if (aborted)
- return;
+ if (aborted || !is_running_queue)
+ return 0;
- while (active_requests < max_requests && request != NULL) {
- if (!pushing && request->state == NEED_CHECK) {
- start_check(request);
- curl_multi_perform(curlm, &num_transfers);
+ for (request = request_queue_head; request; request = request->next) {
+ if (request->state == NEED_FETCH) {
+ start_fetch_loose(request);
+ return 1;
} else if (pushing && request->state == NEED_PUSH) {
- if (remote_dir_exists[request->sha1[0]])
+ if (remote_dir_exists[request->obj->sha1[0]] == 1) {
start_put(request);
- else
+ } else {
start_mkcol(request);
- curl_multi_perform(curlm, &num_transfers);
+ }
+ return 1;
}
- request = request->next;
}
-
- while (slot != NULL) {
- if (!slot->in_use && slot->curl != NULL) {
- curl_easy_cleanup(slot->curl);
- slot->curl = NULL;
- }
- slot = slot->next;
- }
+ return 0;
}
+#endif
-static void add_request(unsigned char *sha1, struct active_lock *lock)
+static void get_remote_object_list(unsigned char parent);
+
+static void add_fetch_request(struct object *obj)
{
- struct transfer_request *request = request_queue_head;
- struct packed_git *target;
-
- while (request != NULL && memcmp(request->sha1, sha1, 20))
- request = request->next;
- if (request != NULL)
- return;
+ struct transfer_request *request;
+
+ check_locks();
- target = find_sha1_pack(sha1, remote->packs);
- if (target)
+ /*
+ * Don't fetch the object if it's known to exist locally
+ * or is already in the request queue
+ */
+ if (remote_dir_exists[obj->sha1[0]] == -1)
+ get_remote_object_list(obj->sha1[0]);
+ if (obj->flags & (LOCAL | FETCHING))
return;
+ obj->flags |= FETCHING;
request = xmalloc(sizeof(*request));
- memcpy(request->sha1, sha1, 20);
+ request->obj = obj;
request->url = NULL;
- request->lock = lock;
+ request->lock = NULL;
request->headers = NULL;
- request->state = NEED_CHECK;
+ request->state = NEED_FETCH;
request->next = request_queue_head;
request_queue_head = request;
+#ifdef USE_CURL_MULTI
fill_active_slots();
step_active_slots();
+#endif
}
-static int fetch_index(unsigned char *sha1)
+static int add_send_request(struct object *obj, struct remote_lock *lock)
{
- 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;
+ struct transfer_request *request = request_queue_head;
+ struct packed_git *target;
- /* Don't use the index if the pack isn't there */
- url = xmalloc(strlen(remote->url) + 65);
- sprintf(url, "%s/objects/pack/pack-%s.pack", remote->url, hex);
- slot = get_active_slot();
- curl_easy_setopt(slot->curl, CURLOPT_URL, url);
- curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1);
- if (start_active_slot(slot)) {
- run_active_slot(slot);
- if (slot->curl_result != CURLE_OK) {
- free(url);
- return error("Unable to verify pack %s is available",
- hex);
- }
- } else {
- return error("Unable to start request");
- }
+ /* Keep locks active */
+ check_locks();
- if (has_pack_index(sha1))
+ /*
+ * Don't push the object if it's known to exist on the remote
+ * or is already in the request queue
+ */
+ if (remote_dir_exists[obj->sha1[0]] == -1)
+ get_remote_object_list(obj->sha1[0]);
+ if (obj->flags & (REMOTE | PUSHING))
+ return 0;
+ target = find_sha1_pack(obj->sha1, repo->packs);
+ if (target) {
+ obj->flags |= REMOTE;
return 0;
-
- if (push_verbosely)
- fprintf(stderr, "Getting index for pack %s\n", hex);
-
- sprintf(url, "%s/objects/pack/pack-%s.idx", remote->url, 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_NOBODY, 0);
- curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
- 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 (push_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) {
- free(url);
- fclose(indexfile);
- return error("Unable to get pack index %s\n%s", url,
- curl_errorstr);
- }
- } else {
- free(url);
- fclose(indexfile);
- return error("Unable to start request");
}
- free(url);
- fclose(indexfile);
-
- return move_temp_to_file(tmpfile, filename);
-}
-
-static int setup_index(unsigned char *sha1)
-{
- struct packed_git *new_pack;
+ obj->flags |= PUSHING;
+ request = xmalloc(sizeof(*request));
+ request->obj = obj;
+ request->url = NULL;
+ request->lock = lock;
+ request->headers = NULL;
+ request->state = NEED_PUSH;
+ request->next = request_queue_head;
+ request_queue_head = request;
- if (fetch_index(sha1))
- return -1;
+#ifdef USE_CURL_MULTI
+ fill_active_slots();
+ step_active_slots();
+#endif
- new_pack = parse_pack_index(sha1);
- new_pack->next = remote->packs;
- remote->packs = new_pack;
- return 0;
+ return 1;
}
static int fetch_indices(void)
{
- unsigned char sha1[20];
- char *url;
- struct buffer buffer;
- char *data;
- int i = 0;
-
- struct active_request_slot *slot;
-
- data = xmalloc(4096);
- memset(data, 0, 4096);
- buffer.size = 4096;
- buffer.posn = 0;
- buffer.buffer = data;
+ int ret;
if (push_verbosely)
fprintf(stderr, "Getting pack list\n");
-
- url = xmalloc(strlen(remote->url) + 21);
- sprintf(url, "%s/objects/info/packs", remote->url);
-
- 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_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);
- free(url);
- if (slot->http_code == 404)
- return 0;
- else
- return error("%s", curl_errorstr);
- }
- } else {
- free(buffer.buffer);
- free(url);
- return error("Unable to start request");
- }
- free(url);
-
- 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(sha1);
- i += 51;
- break;
- }
- default:
- while (data[i] != '\n')
- i++;
- }
- i++;
- }
-
- free(buffer.buffer);
- return 0;
-}
-static inline int needs_quote(int ch)
-{
- switch (ch) {
- case '/': case '-': case '.':
- case 'A'...'Z': case 'a'...'z': case '0'...'9':
- return 0;
+ switch (http_get_info_packs(repo->url, &repo->packs)) {
+ case HTTP_OK:
+ case HTTP_MISSING_TARGET:
+ ret = 0;
+ break;
default:
- return 1;
+ ret = -1;
}
-}
-static inline int hex(int v)
-{
- if (v < 10) return '0' + v;
- else return 'A' + v - 10;
+ return ret;
}
-static char *quote_ref_url(const char *base, const char *ref)
+static void one_remote_object(const char *hex)
{
- const char *cp;
- char *dp, *qref;
- int len, baselen, ch;
-
- baselen = strlen(base);
- len = baselen + 12; /* "refs/heads/" + 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/heads/", 11);
- for (cp = ref, dp = qref + baselen + 11; (ch = *cp) != 0; cp++) {
- if (needs_quote(ch)) {
- *dp++ = '%';
- *dp++ = hex((ch >> 4) & 0xF);
- *dp++ = hex(ch & 0xF);
- }
- else
- *dp++ = ch;
- }
- *dp = 0;
+ unsigned char sha1[20];
+ struct object *obj;
- return qref;
-}
+ if (get_sha1_hex(hex, sha1) != 0)
+ return;
-int fetch_ref(char *ref, unsigned char *sha1)
-{
- char *url;
- char hex[42];
- struct buffer buffer;
- char *base = remote->url;
- 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");
- }
+ obj = lookup_object(sha1);
+ if (!obj)
+ obj = parse_object(sha1);
+
+ /* Ignore remote objects that don't exist locally */
+ if (!obj)
+ return;
- hex[40] = '\0';
- get_sha1_hex(hex, sha1);
- return 0;
+ obj->flags |= REMOTE;
+ if (!object_list_contains(objects, obj))
+ object_list_insert(obj, &objects);
}
static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed)
static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed)
{
- struct active_lock *lock = (struct active_lock *)ctx->userData;
+ struct remote_lock *lock = (struct remote_lock *)ctx->userData;
+ git_SHA_CTX sha_ctx;
+ unsigned char lock_token_sha1[20];
if (tag_closed && ctx->cdata) {
if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) {
lock->owner = xmalloc(strlen(ctx->cdata) + 1);
strcpy(lock->owner, ctx->cdata);
} else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) {
- if (!strncmp(ctx->cdata, "Second-", 7))
+ if (!prefixcmp(ctx->cdata, "Second-"))
lock->timeout =
strtol(ctx->cdata + 7, NULL, 10);
} else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) {
- if (!strncmp(ctx->cdata, "opaquelocktoken:", 16)) {
- lock->token = xmalloc(strlen(ctx->cdata) - 15);
- strcpy(lock->token, ctx->cdata + 16);
- }
+ lock->token = xmalloc(strlen(ctx->cdata) + 1);
+ strcpy(lock->token, ctx->cdata);
+
+ git_SHA1_Init(&sha_ctx);
+ git_SHA1_Update(&sha_ctx, lock->token, strlen(lock->token));
+ git_SHA1_Final(lock_token_sha1, &sha_ctx);
+
+ lock->tmpfile_suffix[0] = '_';
+ memcpy(lock->tmpfile_suffix + 1, sha1_to_hex(lock_token_sha1), 40);
}
}
}
+static void one_remote_ref(char *refname);
+
static void
xml_start_tag(void *userData, const char *name, const char **atts)
{
struct xml_ctx *ctx = (struct xml_ctx *)userData;
- const char *c = index(name, ':');
+ const char *c = strchr(name, ':');
int new_len;
if (c == NULL)
strcat(ctx->name, ".");
strcat(ctx->name, c);
- if (ctx->cdata) {
- free(ctx->cdata);
- ctx->cdata = NULL;
- }
+ free(ctx->cdata);
+ ctx->cdata = NULL;
ctx->userFunc(ctx, 0);
}
xml_end_tag(void *userData, const char *name)
{
struct xml_ctx *ctx = (struct xml_ctx *)userData;
- const char *c = index(name, ':');
+ const char *c = strchr(name, ':');
char *ep;
ctx->userFunc(ctx, 1);
xml_cdata(void *userData, const XML_Char *s, int len)
{
struct xml_ctx *ctx = (struct xml_ctx *)userData;
- if (ctx->cdata)
- free(ctx->cdata);
- ctx->cdata = xcalloc(len+1, 1);
- strncpy(ctx->cdata, s, len);
+ free(ctx->cdata);
+ ctx->cdata = xmemdupz(s, len);
}
-static struct active_lock *lock_remote(char *file, long timeout)
+static struct remote_lock *lock_remote(const char *path, long timeout)
{
struct active_request_slot *slot;
- struct buffer out_buffer;
- struct buffer in_buffer;
- char *out_data;
- char *in_data;
+ struct slot_results results;
+ struct buffer out_buffer = { STRBUF_INIT, 0 };
+ struct strbuf in_buffer = STRBUF_INIT;
char *url;
char *ep;
char timeout_header[25];
- struct active_lock *new_lock = NULL;
- XML_Parser parser = XML_ParserCreate(NULL);
- enum XML_Status result;
+ struct remote_lock *lock = NULL;
struct curl_slist *dav_headers = NULL;
struct xml_ctx ctx;
+ char *escaped;
- url = xmalloc(strlen(remote->url) + strlen(file) + 1);
- sprintf(url, "%s%s", remote->url, file);
+ url = xmalloc(strlen(repo->url) + strlen(path) + 1);
+ sprintf(url, "%s%s", repo->url, path);
/* Make sure leading directories exist for the remote ref */
- ep = strchr(url + strlen(remote->url) + 11, '/');
+ ep = strchr(url + strlen(repo->url) + 1, '/');
while (ep) {
- *ep = 0;
+ char saved_character = ep[1];
+ ep[1] = '\0';
slot = get_active_slot();
+ slot->results = &results;
curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL);
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
if (start_active_slot(slot)) {
run_active_slot(slot);
- if (slot->curl_result != CURLE_OK &&
- slot->http_code != 405) {
+ if (results.curl_result != CURLE_OK &&
+ results.http_code != 405) {
fprintf(stderr,
"Unable to create branch path %s\n",
url);
return NULL;
}
} else {
- fprintf(stderr, "Unable to start request\n");
+ fprintf(stderr, "Unable to start MKCOL request\n");
free(url);
return NULL;
}
- *ep = '/';
+ ep[1] = saved_character;
ep = strchr(ep + 1, '/');
}
- out_buffer.size = strlen(LOCK_REQUEST) + strlen(git_default_email) - 2;
- out_data = xmalloc(out_buffer.size + 1);
- snprintf(out_data, out_buffer.size + 1, LOCK_REQUEST, git_default_email);
- out_buffer.posn = 0;
- out_buffer.buffer = out_data;
-
- in_buffer.size = 4096;
- in_data = xmalloc(in_buffer.size);
- in_buffer.posn = 0;
- in_buffer.buffer = in_data;
+ escaped = xml_entities(git_default_email);
+ strbuf_addf(&out_buffer.buf, LOCK_REQUEST, escaped);
+ free(escaped);
sprintf(timeout_header, "Timeout: Second-%ld", timeout);
dav_headers = curl_slist_append(dav_headers, timeout_header);
dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
slot = get_active_slot();
+ slot->results = &results;
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
- curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size);
+ curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
+#ifndef NO_CURL_IOCTL
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
+#endif
curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
- new_lock = xcalloc(1, sizeof(*new_lock));
- new_lock->owner = NULL;
- new_lock->token = NULL;
- new_lock->timeout = -1;
- new_lock->refreshing = 0;
+ lock = xcalloc(1, sizeof(*lock));
+ lock->timeout = -1;
if (start_active_slot(slot)) {
run_active_slot(slot);
- if (slot->curl_result == CURLE_OK) {
+ if (results.curl_result == CURLE_OK) {
+ XML_Parser parser = XML_ParserCreate(NULL);
+ enum XML_Status result;
ctx.name = xcalloc(10, 1);
ctx.len = 0;
ctx.cdata = NULL;
ctx.userFunc = handle_new_lock_ctx;
- ctx.userData = new_lock;
+ ctx.userData = lock;
XML_SetUserData(parser, &ctx);
XML_SetElementHandler(parser, xml_start_tag,
xml_end_tag);
XML_SetCharacterDataHandler(parser, xml_cdata);
- result = XML_Parse(parser, in_buffer.buffer,
- in_buffer.posn, 1);
+ result = XML_Parse(parser, in_buffer.buf,
+ in_buffer.len, 1);
free(ctx.name);
if (result != XML_STATUS_OK) {
fprintf(stderr, "XML error: %s\n",
XML_ErrorString(
XML_GetErrorCode(parser)));
- new_lock->timeout = -1;
+ lock->timeout = -1;
}
+ XML_ParserFree(parser);
}
} else {
- fprintf(stderr, "Unable to start request\n");
+ fprintf(stderr, "Unable to start LOCK request\n");
}
curl_slist_free_all(dav_headers);
- free(out_data);
- free(in_data);
-
- if (new_lock->token == NULL || new_lock->timeout <= 0) {
- if (new_lock->token != NULL)
- free(new_lock->token);
- if (new_lock->owner != NULL)
- free(new_lock->owner);
+ strbuf_release(&out_buffer.buf);
+ strbuf_release(&in_buffer);
+
+ if (lock->token == NULL || lock->timeout <= 0) {
+ free(lock->token);
+ free(lock->owner);
free(url);
- free(new_lock);
- new_lock = NULL;
+ free(lock);
+ lock = NULL;
} else {
- new_lock->url = url;
- new_lock->start_time = time(NULL);
+ lock->url = url;
+ lock->start_time = time(NULL);
+ lock->next = repo->locks;
+ repo->locks = lock;
}
- return new_lock;
+ return lock;
}
-static int unlock_remote(struct active_lock *lock)
+static int unlock_remote(struct remote_lock *lock)
{
struct active_request_slot *slot;
- char *lock_token_header;
- struct curl_slist *dav_headers = NULL;
+ struct slot_results results;
+ struct remote_lock *prev = repo->locks;
+ struct curl_slist *dav_headers;
int rc = 0;
- lock_token_header = xmalloc(strlen(lock->token) + 31);
- sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>",
- lock->token);
- dav_headers = curl_slist_append(dav_headers, lock_token_header);
+ dav_headers = get_dav_token_headers(lock, DAV_HEADER_LOCK);
slot = get_active_slot();
+ slot->results = &results;
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK);
if (start_active_slot(slot)) {
run_active_slot(slot);
- if (slot->curl_result == CURLE_OK)
+ if (results.curl_result == CURLE_OK)
rc = 1;
else
- fprintf(stderr, "Got HTTP error %ld\n",
- slot->http_code);
+ fprintf(stderr, "UNLOCK HTTP error %ld\n",
+ results.http_code);
} else {
- fprintf(stderr, "Unable to start request\n");
+ fprintf(stderr, "Unable to start UNLOCK request\n");
}
curl_slist_free_all(dav_headers);
- free(lock_token_header);
- if (lock->owner != NULL)
- free(lock->owner);
- free(lock->url);
-/* Freeing the token causes a segfault...
+ if (repo->locks == lock) {
+ repo->locks = lock->next;
+ } else {
+ while (prev && prev->next != lock)
+ prev = prev->next;
+ if (prev)
+ prev->next = prev->next->next;
+ }
+
+ free(lock->owner);
+ free(lock->url);
free(lock->token);
-*/
free(lock);
return rc;
}
+static void remove_locks(void)
+{
+ struct remote_lock *lock = repo->locks;
+
+ fprintf(stderr, "Removing remote locks...\n");
+ while (lock) {
+ struct remote_lock *next = lock->next;
+ unlock_remote(lock);
+ lock = next;
+ }
+}
+
+static void remove_locks_on_signal(int signo)
+{
+ remove_locks();
+ sigchain_pop(signo);
+ raise(signo);
+}
+
+static void remote_ls(const char *path, int flags,
+ void (*userFunc)(struct remote_ls_ctx *ls),
+ void *userData);
+
+static void process_ls_object(struct remote_ls_ctx *ls)
+{
+ unsigned int *parent = (unsigned int *)ls->userData;
+ char *path = ls->dentry_name;
+ char *obj_hex;
+
+ if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) {
+ remote_dir_exists[*parent] = 1;
+ return;
+ }
+
+ if (strlen(path) != 49)
+ return;
+ path += 8;
+ obj_hex = xmalloc(strlen(path));
+ /* NB: path is not null-terminated, can not use strlcpy here */
+ memcpy(obj_hex, path, 2);
+ strcpy(obj_hex + 2, path + 3);
+ one_remote_object(obj_hex);
+ free(obj_hex);
+}
+
+static void process_ls_ref(struct remote_ls_ctx *ls)
+{
+ if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) {
+ fprintf(stderr, " %s\n", ls->dentry_name);
+ return;
+ }
+
+ if (!(ls->dentry_flags & IS_DIR))
+ one_remote_ref(ls->dentry_name);
+}
+
+static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed)
+{
+ struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData;
+
+ if (tag_closed) {
+ if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) {
+ if (ls->dentry_flags & IS_DIR) {
+ if (ls->flags & PROCESS_DIRS) {
+ ls->userFunc(ls);
+ }
+ if (strcmp(ls->dentry_name, ls->path) &&
+ ls->flags & RECURSIVE) {
+ remote_ls(ls->dentry_name,
+ ls->flags,
+ ls->userFunc,
+ ls->userData);
+ }
+ } else if (ls->flags & PROCESS_FILES) {
+ ls->userFunc(ls);
+ }
+ } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) {
+ char *path = ctx->cdata;
+ if (*ctx->cdata == 'h') {
+ path = strstr(path, "//");
+ if (path) {
+ path = strchr(path+2, '/');
+ }
+ }
+ if (path) {
+ path += repo->path_len;
+ ls->dentry_name = xstrdup(path);
+ }
+ } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) {
+ ls->dentry_flags |= IS_DIR;
+ }
+ } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) {
+ free(ls->dentry_name);
+ ls->dentry_name = NULL;
+ ls->dentry_flags = 0;
+ }
+}
+
+/*
+ * NEEDSWORK: remote_ls() ignores info/refs on the remote side. But it
+ * should _only_ heed the information from that file, instead of trying to
+ * determine the refs from the remote file system (badly: it does not even
+ * know about packed-refs).
+ */
+static void remote_ls(const char *path, int flags,
+ void (*userFunc)(struct remote_ls_ctx *ls),
+ void *userData)
+{
+ char *url = xmalloc(strlen(repo->url) + strlen(path) + 1);
+ struct active_request_slot *slot;
+ struct slot_results results;
+ struct strbuf in_buffer = STRBUF_INIT;
+ struct buffer out_buffer = { STRBUF_INIT, 0 };
+ struct curl_slist *dav_headers = NULL;
+ struct xml_ctx ctx;
+ struct remote_ls_ctx ls;
+
+ ls.flags = flags;
+ ls.path = xstrdup(path);
+ ls.dentry_name = NULL;
+ ls.dentry_flags = 0;
+ ls.userData = userData;
+ ls.userFunc = userFunc;
+
+ sprintf(url, "%s%s", repo->url, path);
+
+ strbuf_addf(&out_buffer.buf, PROPFIND_ALL_REQUEST);
+
+ dav_headers = curl_slist_append(dav_headers, "Depth: 1");
+ dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
+
+ slot = get_active_slot();
+ slot->results = &results;
+ curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
+ curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
+#ifndef NO_CURL_IOCTL
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
+#endif
+ curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_URL, url);
+ curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
+ curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
+ curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
+
+ if (start_active_slot(slot)) {
+ run_active_slot(slot);
+ if (results.curl_result == CURLE_OK) {
+ XML_Parser parser = XML_ParserCreate(NULL);
+ enum XML_Status result;
+ ctx.name = xcalloc(10, 1);
+ ctx.len = 0;
+ ctx.cdata = NULL;
+ ctx.userFunc = handle_remote_ls_ctx;
+ ctx.userData = &ls;
+ XML_SetUserData(parser, &ctx);
+ XML_SetElementHandler(parser, xml_start_tag,
+ xml_end_tag);
+ XML_SetCharacterDataHandler(parser, xml_cdata);
+ result = XML_Parse(parser, in_buffer.buf,
+ in_buffer.len, 1);
+ free(ctx.name);
+
+ if (result != XML_STATUS_OK) {
+ fprintf(stderr, "XML error: %s\n",
+ XML_ErrorString(
+ XML_GetErrorCode(parser)));
+ }
+ XML_ParserFree(parser);
+ }
+ } else {
+ fprintf(stderr, "Unable to start PROPFIND request\n");
+ }
+
+ free(ls.path);
+ free(url);
+ strbuf_release(&out_buffer.buf);
+ strbuf_release(&in_buffer);
+ curl_slist_free_all(dav_headers);
+}
+
+static void get_remote_object_list(unsigned char parent)
+{
+ char path[] = "objects/XX/";
+ static const char hex[] = "0123456789abcdef";
+ unsigned int val = parent;
+
+ path[8] = hex[val >> 4];
+ path[9] = hex[val & 0xf];
+ remote_dir_exists[val] = 0;
+ remote_ls(path, (PROCESS_FILES | PROCESS_DIRS),
+ process_ls_object, &val);
+}
+
static int locking_available(void)
{
struct active_request_slot *slot;
- struct buffer in_buffer;
- struct buffer out_buffer;
- char *in_data;
- char *out_data;
- XML_Parser parser = XML_ParserCreate(NULL);
- enum XML_Status result;
+ struct slot_results results;
+ struct strbuf in_buffer = STRBUF_INIT;
+ struct buffer out_buffer = { STRBUF_INIT, 0 };
struct curl_slist *dav_headers = NULL;
struct xml_ctx ctx;
int lock_flags = 0;
+ char *escaped;
- out_buffer.size = strlen(PROPFIND_REQUEST) + strlen(remote->url) - 2;
- out_data = xmalloc(out_buffer.size + 1);
- snprintf(out_data, out_buffer.size + 1, PROPFIND_REQUEST, remote->url);
- out_buffer.posn = 0;
- out_buffer.buffer = out_data;
-
- in_buffer.size = 4096;
- in_data = xmalloc(in_buffer.size);
- in_buffer.posn = 0;
- in_buffer.buffer = in_data;
+ escaped = xml_entities(repo->url);
+ strbuf_addf(&out_buffer.buf, PROPFIND_SUPPORTEDLOCK_REQUEST, escaped);
+ free(escaped);
dav_headers = curl_slist_append(dav_headers, "Depth: 0");
dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
-
+
slot = get_active_slot();
+ slot->results = &results;
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
- curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size);
+ curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
+#ifndef NO_CURL_IOCTL
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
+#endif
curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
- curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url);
+ curl_easy_setopt(slot->curl, CURLOPT_URL, repo->url);
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
if (start_active_slot(slot)) {
run_active_slot(slot);
- if (slot->curl_result == CURLE_OK) {
+ if (results.curl_result == CURLE_OK) {
+ XML_Parser parser = XML_ParserCreate(NULL);
+ enum XML_Status result;
ctx.name = xcalloc(10, 1);
ctx.len = 0;
ctx.cdata = NULL;
XML_SetUserData(parser, &ctx);
XML_SetElementHandler(parser, xml_start_tag,
xml_end_tag);
- result = XML_Parse(parser, in_buffer.buffer,
- in_buffer.posn, 1);
+ result = XML_Parse(parser, in_buffer.buf,
+ in_buffer.len, 1);
free(ctx.name);
if (result != XML_STATUS_OK) {
XML_GetErrorCode(parser)));
lock_flags = 0;
}
+ XML_ParserFree(parser);
+ if (!lock_flags)
+ error("no DAV locking support on %s",
+ repo->url);
+
+ } else {
+ error("Cannot access URL %s, return code %d",
+ repo->url, results.curl_result);
+ lock_flags = 0;
}
} else {
- fprintf(stderr, "Unable to start request\n");
+ error("Unable to start PROPFIND request on %s", repo->url);
}
- free(out_data);
- free(in_buffer.buffer);
+ strbuf_release(&out_buffer.buf);
+ strbuf_release(&in_buffer);
curl_slist_free_all(dav_headers);
return lock_flags;
}
-static int is_ancestor(unsigned char *sha1, struct commit *commit)
+static struct object_list **add_one_object(struct object *obj, struct object_list **p)
{
- struct commit_list *parents;
+ struct object_list *entry = xmalloc(sizeof(struct object_list));
+ entry->item = obj;
+ entry->next = *p;
+ *p = entry;
+ return &entry->next;
+}
- if (parse_commit(commit))
- return 0;
- parents = commit->parents;
- for (; parents; parents = parents->next) {
- if (!memcmp(sha1, parents->item->object.sha1, 20)) {
- return 1;
- } else if (parents->item->object.type == commit_type) {
- if (is_ancestor(
- sha1,
- (struct commit *)&parents->item->object
- ))
- return 1;
+static struct object_list **process_blob(struct blob *blob,
+ struct object_list **p,
+ struct name_path *path,
+ const char *name)
+{
+ struct object *obj = &blob->object;
+
+ obj->flags |= LOCAL;
+
+ if (obj->flags & (UNINTERESTING | SEEN))
+ return p;
+
+ obj->flags |= SEEN;
+ return add_one_object(obj, p);
+}
+
+static struct object_list **process_tree(struct tree *tree,
+ struct object_list **p,
+ struct name_path *path,
+ const char *name)
+{
+ struct object *obj = &tree->object;
+ struct tree_desc desc;
+ struct name_entry entry;
+ struct name_path me;
+
+ obj->flags |= LOCAL;
+
+ if (obj->flags & (UNINTERESTING | SEEN))
+ return p;
+ if (parse_tree(tree) < 0)
+ die("bad tree object %s", sha1_to_hex(obj->sha1));
+
+ obj->flags |= SEEN;
+ name = xstrdup(name);
+ p = add_one_object(obj, p);
+ me.up = path;
+ me.elem = name;
+ me.elem_len = strlen(name);
+
+ init_tree_desc(&desc, tree->buffer, tree->size);
+
+ while (tree_entry(&desc, &entry))
+ switch (object_type(entry.mode)) {
+ case OBJ_TREE:
+ p = process_tree(lookup_tree(entry.sha1), p, &me, name);
+ break;
+ case OBJ_BLOB:
+ p = process_blob(lookup_blob(entry.sha1), p, &me, name);
+ break;
+ default:
+ /* Subproject commit - not in this repository */
+ break;
}
- }
- return 0;
+
+ free(tree->buffer);
+ tree->buffer = NULL;
+ return p;
}
-static void get_delta(unsigned char *sha1, struct object *obj,
- struct active_lock *lock)
+static int get_delta(struct rev_info *revs, struct remote_lock *lock)
{
+ int i;
struct commit *commit;
- struct commit_list *parents;
- struct tree *tree;
- struct tree_entry_list *entry;
+ struct object_list **p = &objects;
+ int count = 0;
+
+ while ((commit = get_revision(revs)) != NULL) {
+ p = process_tree(commit->tree, p, NULL, "");
+ commit->object.flags |= LOCAL;
+ if (!(commit->object.flags & UNINTERESTING))
+ count += add_send_request(&commit->object, lock);
+ }
- if (sha1 && !memcmp(sha1, obj->sha1, 20))
- return;
+ for (i = 0; i < revs->pending.nr; i++) {
+ struct object_array_entry *entry = revs->pending.objects + i;
+ struct object *obj = entry->item;
+ const char *name = entry->name;
- if (aborted)
- return;
-
- if (obj->type == commit_type) {
- if (push_verbosely)
- fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1));
- add_request(obj->sha1, lock);
- commit = (struct commit *)obj;
- if (parse_commit(commit)) {
- fprintf(stderr, "Error parsing commit %s\n",
- sha1_to_hex(obj->sha1));
- aborted = 1;
- return;
+ if (obj->flags & (UNINTERESTING | SEEN))
+ continue;
+ if (obj->type == OBJ_TAG) {
+ obj->flags |= SEEN;
+ p = add_one_object(obj, p);
+ continue;
}
- parents = commit->parents;
- for (; parents; parents = parents->next)
- if (sha1 == NULL ||
- memcmp(sha1, parents->item->object.sha1, 20))
- get_delta(sha1, &parents->item->object,
- lock);
- get_delta(sha1, &commit->tree->object, lock);
- } else if (obj->type == tree_type) {
- if (push_verbosely)
- fprintf(stderr, "walk %s\n", sha1_to_hex(obj->sha1));
- add_request(obj->sha1, lock);
- tree = (struct tree *)obj;
- if (parse_tree(tree)) {
- fprintf(stderr, "Error parsing tree %s\n",
- sha1_to_hex(obj->sha1));
- aborted = 1;
- return;
+ if (obj->type == OBJ_TREE) {
+ p = process_tree((struct tree *)obj, p, NULL, name);
+ continue;
}
- entry = tree->entries;
- tree->entries = NULL;
- while (entry) {
- struct tree_entry_list *next = entry->next;
- get_delta(sha1, entry->item.any, lock);
- free(entry->name);
- free(entry);
- entry = next;
+ if (obj->type == OBJ_BLOB) {
+ p = process_blob((struct blob *)obj, p, NULL, name);
+ continue;
}
- } else if (obj->type == blob_type || obj->type == tag_type) {
- add_request(obj->sha1, lock);
+ die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
+ }
+
+ while (objects) {
+ if (!(objects->item->flags & UNINTERESTING))
+ count += add_send_request(objects->item, lock);
+ objects = objects->next;
}
+
+ return count;
}
-static int update_remote(unsigned char *sha1, struct active_lock *lock)
+static int update_remote(unsigned char *sha1, struct remote_lock *lock)
{
struct active_request_slot *slot;
- char *out_data;
- char *if_header;
- struct buffer out_buffer;
- struct curl_slist *dav_headers = NULL;
- int i;
+ struct slot_results results;
+ struct buffer out_buffer = { STRBUF_INIT, 0 };
+ struct curl_slist *dav_headers;
- if_header = xmalloc(strlen(lock->token) + 25);
- sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token);
- dav_headers = curl_slist_append(dav_headers, if_header);
+ dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF);
- out_buffer.size = 41;
- out_data = xmalloc(out_buffer.size + 1);
- i = snprintf(out_data, out_buffer.size + 1, "%s\n", sha1_to_hex(sha1));
- if (i != out_buffer.size) {
- fprintf(stderr, "Unable to initialize PUT request body\n");
- return 0;
- }
- out_buffer.posn = 0;
- out_buffer.buffer = out_data;
+ strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1));
slot = get_active_slot();
+ slot->results = &results;
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
- curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size);
+ curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
+#ifndef NO_CURL_IOCTL
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
+#endif
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
if (start_active_slot(slot)) {
run_active_slot(slot);
- free(out_data);
- free(if_header);
- if (slot->curl_result != CURLE_OK) {
+ strbuf_release(&out_buffer.buf);
+ if (results.curl_result != CURLE_OK) {
fprintf(stderr,
"PUT error: curl result=%d, HTTP code=%ld\n",
- slot->curl_result, slot->http_code);
+ results.curl_result, results.http_code);
/* We should attempt recovery? */
return 0;
}
} else {
- free(out_data);
- free(if_header);
+ strbuf_release(&out_buffer.buf);
fprintf(stderr, "Unable to start PUT request\n");
return 0;
}
return 1;
}
+static struct ref *remote_refs;
+
+static void one_remote_ref(char *refname)
+{
+ struct ref *ref;
+ struct object *obj;
+
+ ref = alloc_ref(refname);
+
+ if (http_fetch_ref(repo->url, ref) != 0) {
+ fprintf(stderr,
+ "Unable to fetch ref %s from %s\n",
+ refname, repo->url);
+ free(ref);
+ return;
+ }
+
+ /*
+ * Fetch a copy of the object if it doesn't exist locally - it
+ * may be required for updating server info later.
+ */
+ if (repo->can_update_info_refs && !has_sha1_file(ref->old_sha1)) {
+ obj = lookup_unknown_object(ref->old_sha1);
+ if (obj) {
+ fprintf(stderr, " fetch %s for %s\n",
+ sha1_to_hex(ref->old_sha1), refname);
+ add_fetch_request(obj);
+ }
+ }
+
+ ref->next = remote_refs;
+ remote_refs = ref;
+}
+
+static void get_dav_remote_heads(void)
+{
+ remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL);
+}
+
+static void add_remote_info_ref(struct remote_ls_ctx *ls)
+{
+ struct strbuf *buf = (struct strbuf *)ls->userData;
+ struct object *o;
+ int len;
+ char *ref_info;
+ struct ref *ref;
+
+ ref = alloc_ref(ls->dentry_name);
+
+ if (http_fetch_ref(repo->url, ref) != 0) {
+ fprintf(stderr,
+ "Unable to fetch ref %s from %s\n",
+ ls->dentry_name, repo->url);
+ aborted = 1;
+ free(ref);
+ return;
+ }
+
+ o = parse_object(ref->old_sha1);
+ if (!o) {
+ fprintf(stderr,
+ "Unable to parse object %s for remote ref %s\n",
+ sha1_to_hex(ref->old_sha1), ls->dentry_name);
+ aborted = 1;
+ free(ref);
+ return;
+ }
+
+ len = strlen(ls->dentry_name) + 42;
+ ref_info = xcalloc(len + 1, 1);
+ sprintf(ref_info, "%s %s\n",
+ sha1_to_hex(ref->old_sha1), ls->dentry_name);
+ fwrite_buffer(ref_info, 1, len, buf);
+ free(ref_info);
+
+ if (o->type == OBJ_TAG) {
+ o = deref_tag(o, ls->dentry_name, 0);
+ if (o) {
+ len = strlen(ls->dentry_name) + 45;
+ ref_info = xcalloc(len + 1, 1);
+ sprintf(ref_info, "%s %s^{}\n",
+ sha1_to_hex(o->sha1), ls->dentry_name);
+ fwrite_buffer(ref_info, 1, len, buf);
+ free(ref_info);
+ }
+ }
+ free(ref);
+}
+
+static void update_remote_info_refs(struct remote_lock *lock)
+{
+ struct buffer buffer = { STRBUF_INIT, 0 };
+ struct active_request_slot *slot;
+ struct slot_results results;
+ struct curl_slist *dav_headers;
+
+ remote_ls("refs/", (PROCESS_FILES | RECURSIVE),
+ add_remote_info_ref, &buffer.buf);
+ if (!aborted) {
+ dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF);
+
+ slot = get_active_slot();
+ slot->results = &results;
+ curl_easy_setopt(slot->curl, CURLOPT_INFILE, &buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, buffer.buf.len);
+ curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
+#ifndef NO_CURL_IOCTL
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &buffer);
+#endif
+ curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
+ curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
+ curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
+ curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
+ curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
+ curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
+
+ if (start_active_slot(slot)) {
+ run_active_slot(slot);
+ if (results.curl_result != CURLE_OK) {
+ fprintf(stderr,
+ "PUT error: curl result=%d, HTTP code=%ld\n",
+ results.curl_result, results.http_code);
+ }
+ }
+ }
+ strbuf_release(&buffer.buf);
+}
+
+static int remote_exists(const char *path)
+{
+ char *url = xmalloc(strlen(repo->url) + strlen(path) + 1);
+ int ret;
+
+ sprintf(url, "%s%s", repo->url, path);
+
+ switch (http_get_strbuf(url, NULL, 0)) {
+ case HTTP_OK:
+ ret = 1;
+ break;
+ case HTTP_MISSING_TARGET:
+ ret = 0;
+ break;
+ case HTTP_ERROR:
+ http_error(url, HTTP_ERROR);
+ default:
+ ret = -1;
+ }
+ free(url);
+ return ret;
+}
+
+static void fetch_symref(const char *path, char **symref, unsigned char *sha1)
+{
+ char *url;
+ struct strbuf buffer = STRBUF_INIT;
+
+ url = xmalloc(strlen(repo->url) + strlen(path) + 1);
+ sprintf(url, "%s%s", repo->url, path);
+
+ if (http_get_strbuf(url, &buffer, 0) != HTTP_OK)
+ die("Couldn't get %s for remote symref\n%s", url,
+ curl_errorstr);
+ free(url);
+
+ free(*symref);
+ *symref = NULL;
+ hashclr(sha1);
+
+ if (buffer.len == 0)
+ return;
+
+ /* If it's a symref, set the refname; otherwise try for a sha1 */
+ if (!prefixcmp((char *)buffer.buf, "ref: ")) {
+ *symref = xmemdupz((char *)buffer.buf + 5, buffer.len - 6);
+ } else {
+ get_sha1_hex(buffer.buf, sha1);
+ }
+
+ strbuf_release(&buffer);
+}
+
+static int verify_merge_base(unsigned char *head_sha1, unsigned char *branch_sha1)
+{
+ struct commit *head = lookup_commit(head_sha1);
+ struct commit *branch = lookup_commit(branch_sha1);
+ struct commit_list *merge_bases = get_merge_bases(head, branch, 1);
+
+ return (merge_bases && !merge_bases->next && merge_bases->item == branch);
+}
+
+static int delete_remote_branch(char *pattern, int force)
+{
+ struct ref *refs = remote_refs;
+ struct ref *remote_ref = NULL;
+ unsigned char head_sha1[20];
+ char *symref = NULL;
+ int match;
+ int patlen = strlen(pattern);
+ int i;
+ struct active_request_slot *slot;
+ struct slot_results results;
+ char *url;
+
+ /* Find the remote branch(es) matching the specified branch name */
+ for (match = 0; refs; refs = refs->next) {
+ char *name = refs->name;
+ int namelen = strlen(name);
+ if (namelen < patlen ||
+ memcmp(name + namelen - patlen, pattern, patlen))
+ continue;
+ if (namelen != patlen && name[namelen - patlen - 1] != '/')
+ continue;
+ match++;
+ remote_ref = refs;
+ }
+ if (match == 0)
+ return error("No remote branch matches %s", pattern);
+ if (match != 1)
+ return error("More than one remote branch matches %s",
+ pattern);
+
+ /*
+ * Remote HEAD must be a symref (not exactly foolproof; a remote
+ * symlink to a symref will look like a symref)
+ */
+ fetch_symref("HEAD", &symref, head_sha1);
+ if (!symref)
+ return error("Remote HEAD is not a symref");
+
+ /* Remote branch must not be the remote HEAD */
+ for (i=0; symref && i<MAXDEPTH; i++) {
+ if (!strcmp(remote_ref->name, symref))
+ return error("Remote branch %s is the current HEAD",
+ remote_ref->name);
+ fetch_symref(symref, &symref, head_sha1);
+ }
+
+ /* Run extra sanity checks if delete is not forced */
+ if (!force) {
+ /* Remote HEAD must resolve to a known object */
+ if (symref)
+ return error("Remote HEAD symrefs too deep");
+ if (is_null_sha1(head_sha1))
+ return error("Unable to resolve remote HEAD");
+ if (!has_sha1_file(head_sha1))
+ return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1));
+
+ /* Remote branch must resolve to a known object */
+ if (is_null_sha1(remote_ref->old_sha1))
+ return error("Unable to resolve remote branch %s",
+ remote_ref->name);
+ if (!has_sha1_file(remote_ref->old_sha1))
+ return error("Remote branch %s resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", remote_ref->name, sha1_to_hex(remote_ref->old_sha1));
+
+ /* Remote branch must be an ancestor of remote HEAD */
+ if (!verify_merge_base(head_sha1, remote_ref->old_sha1)) {
+ return error("The branch '%s' is not an ancestor "
+ "of your current HEAD.\n"
+ "If you are sure you want to delete it,"
+ " run:\n\t'git http-push -D %s %s'",
+ remote_ref->name, repo->url, pattern);
+ }
+ }
+
+ /* Send delete request */
+ fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name);
+ if (dry_run)
+ return 0;
+ url = xmalloc(strlen(repo->url) + strlen(remote_ref->name) + 1);
+ sprintf(url, "%s%s", repo->url, remote_ref->name);
+ slot = get_active_slot();
+ slot->results = &results;
+ curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
+ curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
+ curl_easy_setopt(slot->curl, CURLOPT_URL, url);
+ curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_DELETE);
+ if (start_active_slot(slot)) {
+ run_active_slot(slot);
+ free(url);
+ if (results.curl_result != CURLE_OK)
+ return error("DELETE request failed (%d/%ld)\n",
+ results.curl_result, results.http_code);
+ } else {
+ free(url);
+ return error("Unable to start DELETE request");
+ }
+
+ return 0;
+}
+
+static void run_request_queue(void)
+{
+#ifdef USE_CURL_MULTI
+ is_running_queue = 1;
+ fill_active_slots();
+ add_fill_function(NULL, fill_active_slot);
+#endif
+ do {
+ finish_all_active_slots();
+#ifdef USE_CURL_MULTI
+ fill_active_slots();
+#endif
+ } while (request_queue_head && !aborted);
+
+#ifdef USE_CURL_MULTI
+ is_running_queue = 0;
+#endif
+}
+
int main(int argc, char **argv)
{
struct transfer_request *request;
struct transfer_request *next_request;
int nr_refspec = 0;
char **refspec = NULL;
- int do_remote_update;
- int new_branch;
- int force_this;
- char *local_ref;
- unsigned char local_sha1[20];
- struct object *local_object = NULL;
- char *remote_ref = NULL;
- unsigned char remote_sha1[20];
- struct active_lock *remote_lock;
- char *remote_path = NULL;
+ struct remote_lock *ref_lock = NULL;
+ struct remote_lock *info_ref_lock = NULL;
+ struct rev_info revs;
+ int delete_branch = 0;
+ int force_delete = 0;
+ int objects_to_send;
int rc = 0;
int i;
+ int new_refs;
+ struct ref *ref, *local_refs;
+ struct remote *remote;
+ char *rewritten_url = NULL;
- setup_git_directory();
- setup_ident();
+ git_extract_argv0_path(argv[0]);
- remote = xmalloc(sizeof(*remote));
- remote->url = NULL;
- remote->packs = NULL;
+ repo = xcalloc(sizeof(*repo), 1);
argv++;
for (i = 1; i < argc; i++, argv++) {
char *arg = *argv;
if (*arg == '-') {
- if (!strcmp(arg, "--complete")) {
- push_all = 1;
+ if (!strcmp(arg, "--all")) {
+ push_all = MATCH_REFS_ALL;
continue;
}
if (!strcmp(arg, "--force")) {
force_all = 1;
continue;
}
+ if (!strcmp(arg, "--dry-run")) {
+ dry_run = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--helper-status")) {
+ helper_status = 1;
+ continue;
+ }
if (!strcmp(arg, "--verbose")) {
push_verbosely = 1;
+ http_is_verbose = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-d")) {
+ delete_branch = 1;
continue;
}
- usage(http_push_usage);
+ if (!strcmp(arg, "-D")) {
+ delete_branch = 1;
+ force_delete = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-h"))
+ usage(http_push_usage);
}
- if (!remote->url) {
- remote->url = arg;
+ if (!repo->url) {
+ char *path = strstr(arg, "//");
+ repo->url = arg;
+ repo->path_len = strlen(arg);
+ if (path) {
+ repo->path = strchr(path+2, '/');
+ if (repo->path)
+ repo->path_len = strlen(repo->path);
+ }
continue;
}
refspec = argv;
break;
}
- memset(remote_dir_exists, 0, 256);
+#ifndef USE_CURL_MULTI
+ die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI");
+#endif
+
+ if (!repo->url)
+ usage(http_push_usage);
+
+ if (delete_branch && nr_refspec != 1)
+ die("You must specify only one branch name when deleting a remote branch");
- http_init();
+ setup_git_directory();
+
+ memset(remote_dir_exists, -1, 256);
+
+ /*
+ * Create a minimum remote by hand to give to http_init(),
+ * primarily to allow it to look at the URL.
+ */
+ remote = xcalloc(sizeof(*remote), 1);
+ ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc);
+ remote->url[remote->url_nr++] = repo->url;
+ http_init(remote);
+
+ if (repo->url && repo->url[strlen(repo->url)-1] != '/') {
+ rewritten_url = xmalloc(strlen(repo->url)+2);
+ strcpy(rewritten_url, repo->url);
+ strcat(rewritten_url, "/");
+ repo->path = rewritten_url + (repo->path - repo->url);
+ repo->path_len++;
+ repo->url = rewritten_url;
+ }
- no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:");
- default_headers = curl_slist_append(default_headers, "Range:");
- default_headers = curl_slist_append(default_headers, "Destination:");
- default_headers = curl_slist_append(default_headers, "If:");
- default_headers = curl_slist_append(default_headers,
- "Pragma: no-cache");
+#ifdef USE_CURL_MULTI
+ is_running_queue = 0;
+#endif
/* Verify DAV compliance/lock support */
if (!locking_available()) {
- fprintf(stderr, "Error: no DAV locking support on remote repo %s\n", remote->url);
rc = 1;
goto cleanup;
}
- /* Process each refspec */
- for (i = 0; i < nr_refspec; i++) {
- char *ep;
- force_this = 0;
- do_remote_update = 0;
- new_branch = 0;
- local_ref = refspec[i];
- if (*local_ref == '+') {
- force_this = 1;
- local_ref++;
+ sigchain_push_common(remove_locks_on_signal);
+
+ /* Check whether the remote has server info files */
+ repo->can_update_info_refs = 0;
+ repo->has_info_refs = remote_exists("info/refs");
+ repo->has_info_packs = remote_exists("objects/info/packs");
+ if (repo->has_info_refs) {
+ info_ref_lock = lock_remote("info/refs", LOCK_TIME);
+ if (info_ref_lock)
+ repo->can_update_info_refs = 1;
+ else {
+ error("cannot lock existing info/refs");
+ rc = 1;
+ goto cleanup;
}
- ep = strchr(local_ref, ':');
- if (ep) {
- remote_ref = ep + 1;
- *ep = 0;
+ }
+ if (repo->has_info_packs)
+ fetch_indices();
+
+ /* Get a list of all local and remote heads to validate refspecs */
+ local_refs = get_local_heads();
+ fprintf(stderr, "Fetching remote heads...\n");
+ get_dav_remote_heads();
+ run_request_queue();
+
+ /* Remove a remote branch if -d or -D was specified */
+ if (delete_branch) {
+ if (delete_remote_branch(refspec[0], force_delete) == -1) {
+ fprintf(stderr, "Unable to delete remote branch %s\n",
+ refspec[0]);
+ if (helper_status)
+ printf("error %s cannot remove\n", refspec[0]);
+ }
+ goto cleanup;
+ }
+
+ /* match them up */
+ if (match_refs(local_refs, &remote_refs,
+ nr_refspec, (const char **) refspec, push_all)) {
+ rc = -1;
+ goto cleanup;
+ }
+ if (!remote_refs) {
+ fprintf(stderr, "No refs in common and none specified; doing nothing.\n");
+ if (helper_status)
+ printf("error null no match\n");
+ rc = 0;
+ goto cleanup;
+ }
+
+ new_refs = 0;
+ for (ref = remote_refs; ref; ref = ref->next) {
+ char old_hex[60], *new_hex;
+ const char *commit_argv[5];
+ int commit_argc;
+ char *new_sha1_hex, *old_sha1_hex;
+
+ if (!ref->peer_ref)
+ continue;
+
+ if (is_null_sha1(ref->peer_ref->new_sha1)) {
+ if (delete_remote_branch(ref->name, 1) == -1) {
+ error("Could not remove %s", ref->name);
+ if (helper_status)
+ printf("error %s cannot remove\n", ref->name);
+ rc = -4;
+ }
+ else if (helper_status)
+ printf("ok %s\n", ref->name);
+ new_refs++;
+ continue;
+ }
+
+ if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) {
+ if (push_verbosely || 1)
+ fprintf(stderr, "'%s': up-to-date\n", ref->name);
+ if (helper_status)
+ printf("ok %s up to date\n", ref->name);
+ continue;
+ }
+
+ if (!force_all &&
+ !is_null_sha1(ref->old_sha1) &&
+ !ref->force) {
+ if (!has_sha1_file(ref->old_sha1) ||
+ !ref_newer(ref->peer_ref->new_sha1,
+ ref->old_sha1)) {
+ /*
+ * We do not have the remote ref, or
+ * we know that the remote ref is not
+ * an ancestor of what we are trying to
+ * push. Either way this can be losing
+ * commits at the remote end and likely
+ * we were not up to date to begin with.
+ */
+ error("remote '%s' is not an ancestor of\n"
+ "local '%s'.\n"
+ "Maybe you are not up-to-date and "
+ "need to pull first?",
+ ref->name,
+ ref->peer_ref->name);
+ if (helper_status)
+ printf("error %s non-fast forward\n", ref->name);
+ rc = -2;
+ continue;
+ }
+ }
+ hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+ new_refs++;
+ strcpy(old_hex, sha1_to_hex(ref->old_sha1));
+ new_hex = sha1_to_hex(ref->new_sha1);
+
+ fprintf(stderr, "updating '%s'", ref->name);
+ if (strcmp(ref->name, ref->peer_ref->name))
+ fprintf(stderr, " using '%s'", ref->peer_ref->name);
+ fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex);
+ if (dry_run) {
+ if (helper_status)
+ printf("ok %s\n", ref->name);
+ continue;
}
- else
- remote_ref = local_ref;
/* Lock remote branch ref */
- if (remote_path)
- free(remote_path);
- remote_path = xmalloc(strlen(remote_ref) + 12);
- sprintf(remote_path, "refs/heads/%s", remote_ref);
- remote_lock = lock_remote(remote_path, LOCK_TIME);
- if (remote_lock == NULL) {
+ ref_lock = lock_remote(ref->name, LOCK_TIME);
+ if (ref_lock == NULL) {
fprintf(stderr, "Unable to lock remote branch %s\n",
- remote_ref);
+ ref->name);
+ if (helper_status)
+ printf("error %s lock error\n", ref->name);
rc = 1;
continue;
}
- /* Resolve local and remote refs */
- if (fetch_ref(remote_ref, remote_sha1) != 0) {
- fprintf(stderr,
- "Remote branch %s does not exist on %s\n",
- remote_ref, remote->url);
- new_branch = 1;
+ /* Set up revision info for this refspec */
+ commit_argc = 3;
+ new_sha1_hex = xstrdup(sha1_to_hex(ref->new_sha1));
+ old_sha1_hex = NULL;
+ commit_argv[1] = "--objects";
+ commit_argv[2] = new_sha1_hex;
+ if (!push_all && !is_null_sha1(ref->old_sha1)) {
+ old_sha1_hex = xmalloc(42);
+ sprintf(old_sha1_hex, "^%s",
+ sha1_to_hex(ref->old_sha1));
+ commit_argv[3] = old_sha1_hex;
+ commit_argc++;
}
- if (get_sha1(local_ref, local_sha1) != 0) {
- fprintf(stderr, "Error resolving local branch %s\n",
- local_ref);
- rc = 1;
- goto unlock;
- }
-
- /* Find relationship between local and remote */
- local_object = parse_object(local_sha1);
- if (!local_object) {
- fprintf(stderr, "Unable to parse local object %s\n",
- sha1_to_hex(local_sha1));
- rc = 1;
- goto unlock;
- } else if (new_branch) {
- do_remote_update = 1;
- } else {
- if (!memcmp(local_sha1, remote_sha1, 20)) {
- fprintf(stderr,
- "* %s: same as branch '%s' of %s\n",
- local_ref, remote_ref, remote->url);
- } else if (is_ancestor(remote_sha1,
- (struct commit *)local_object)) {
- fprintf(stderr,
- "Remote %s will fast-forward to local %s\n",
- remote_ref, local_ref);
- do_remote_update = 1;
- } else if (force_all || force_this) {
- fprintf(stderr,
- "* %s on %s does not fast forward to local branch '%s', overwriting\n",
- remote_ref, remote->url, local_ref);
- do_remote_update = 1;
- } else {
- fprintf(stderr,
- "* %s on %s does not fast forward to local branch '%s'\n",
- remote_ref, remote->url, local_ref);
- rc = 1;
- goto unlock;
- }
+ commit_argv[commit_argc] = NULL;
+ init_revisions(&revs, setup_git_directory());
+ setup_revisions(commit_argc, commit_argv, &revs, NULL);
+ revs.edge_hint = 0; /* just in case */
+ free(new_sha1_hex);
+ if (old_sha1_hex) {
+ free(old_sha1_hex);
+ commit_argv[1] = NULL;
}
- /* Generate and check list of required objects */
+ /* Generate a list of objects that need to be pushed */
pushing = 0;
- if (do_remote_update || push_all)
- fetch_indices();
- get_delta(push_all ? NULL : remote_sha1,
- local_object, remote_lock);
+ if (prepare_revision_walk(&revs))
+ die("revision walk setup failed");
+ mark_edges_uninteresting(revs.commits, &revs, NULL);
+ objects_to_send = get_delta(&revs, ref_lock);
finish_all_active_slots();
/* Push missing objects to remote, this would be a
convenient time to pack them first if appropriate. */
pushing = 1;
- fill_active_slots();
- finish_all_active_slots();
+ if (objects_to_send)
+ fprintf(stderr, " sending %d objects\n",
+ objects_to_send);
+
+ run_request_queue();
/* Update the remote branch if all went well */
- if (do_remote_update) {
- if (!aborted && update_remote(local_sha1,
- remote_lock)) {
- fprintf(stderr, "%s remote branch %s\n",
- new_branch ? "Created" : "Updated",
- remote_ref);
- } else {
- fprintf(stderr,
- "Unable to %s remote branch %s\n",
- new_branch ? "create" : "update",
- remote_ref);
- rc = 1;
- goto unlock;
- }
- }
+ if (aborted || !update_remote(ref->new_sha1, ref_lock))
+ rc = 1;
- unlock:
- unlock_remote(remote_lock);
- free(remote_path);
+ if (!rc)
+ fprintf(stderr, " done\n");
+ if (helper_status)
+ printf("%s %s\n", !rc ? "ok" : "error", ref->name);
+ unlock_remote(ref_lock);
+ check_locks();
}
- cleanup:
- free(remote);
+ /* Update remote server info if appropriate */
+ if (repo->has_info_refs && new_refs) {
+ if (info_ref_lock && repo->can_update_info_refs) {
+ fprintf(stderr, "Updating remote server info\n");
+ if (!dry_run)
+ update_remote_info_refs(info_ref_lock);
+ } else {
+ fprintf(stderr, "Unable to update server info\n");
+ }
+ }
- curl_slist_free_all(no_pragma_header);
- curl_slist_free_all(default_headers);
+ cleanup:
+ free(rewritten_url);
+ if (info_ref_lock)
+ unlock_remote(info_ref_lock);
+ free(repo);
http_cleanup();