GIT 1.6.4.3
[gitweb.git] / transport.c
index 56831c57c5cf6500714c46c63581ca98662d58c3..f231b355f24476372c9b89c35a41231a18e45719 100644 (file)
@@ -50,9 +50,7 @@ static int read_loose_refs(struct strbuf *path, int name_offset,
        memset (&list, 0, sizeof(list));
 
        while ((de = readdir(dir))) {
-               if (de->d_name[0] == '.' && (de->d_name[1] == '\0' ||
-                               (de->d_name[1] == '.' &&
-                                de->d_name[2] == '\0')))
+               if (is_dot_or_dotdot(de->d_name))
                        continue;
                ALLOC_GROW(list.entries, list.nr + 1, list.alloc);
                list.entries[list.nr++] = xstrdup(de->d_name);
@@ -140,7 +138,12 @@ static void insert_packed_refs(const char *packed_refs, struct ref **list)
        }
 }
 
-static struct ref *get_refs_via_rsync(struct transport *transport)
+static const char *rsync_url(const char *url)
+{
+       return prefixcmp(url, "rsync://") ? skip_prefix(url, "rsync:") : url;
+}
+
+static struct ref *get_refs_via_rsync(struct transport *transport, int for_push)
 {
        struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
        struct ref dummy, *tail = &dummy;
@@ -148,14 +151,17 @@ static struct ref *get_refs_via_rsync(struct transport *transport)
        const char *args[5];
        int temp_dir_len;
 
+       if (for_push)
+               return NULL;
+
        /* copy the refs to the temporary directory */
 
        strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
        if (!mkdtemp(temp_dir.buf))
-               die ("Could not make temporary directory");
+               die_errno ("Could not make temporary directory");
        temp_dir_len = temp_dir.len;
 
-       strbuf_addstr(&buf, transport->url);
+       strbuf_addstr(&buf, rsync_url(transport->url));
        strbuf_addstr(&buf, "/refs");
 
        memset(&rsync, 0, sizeof(rsync));
@@ -171,7 +177,7 @@ static struct ref *get_refs_via_rsync(struct transport *transport)
                die ("Could not run rsync to get refs");
 
        strbuf_reset(&buf);
-       strbuf_addstr(&buf, transport->url);
+       strbuf_addstr(&buf, rsync_url(transport->url));
        strbuf_addstr(&buf, "/packed-refs");
 
        args[2] = buf.buf;
@@ -208,7 +214,7 @@ static int fetch_objs_via_rsync(struct transport *transport,
        const char *args[8];
        int result;
 
-       strbuf_addstr(&buf, transport->url);
+       strbuf_addstr(&buf, rsync_url(transport->url));
        strbuf_addstr(&buf, "/objects/");
 
        memset(&rsync, 0, sizeof(rsync));
@@ -287,7 +293,7 @@ static int rsync_transport_push(struct transport *transport,
 
        /* first push the objects */
 
-       strbuf_addstr(&buf, transport->url);
+       strbuf_addstr(&buf, rsync_url(transport->url));
        strbuf_addch(&buf, '/');
 
        memset(&rsync, 0, sizeof(rsync));
@@ -308,13 +314,14 @@ static int rsync_transport_push(struct transport *transport,
        args[i++] = NULL;
 
        if (run_command(&rsync))
-               return error("Could not push objects to %s", transport->url);
+               return error("Could not push objects to %s",
+                               rsync_url(transport->url));
 
        /* copy the refs to the temporary directory; they could be packed. */
 
        strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
        if (!mkdtemp(temp_dir.buf))
-               die ("Could not make temporary directory");
+               die_errno ("Could not make temporary directory");
        strbuf_addch(&temp_dir, '/');
 
        if (flags & TRANSPORT_PUSH_ALL) {
@@ -329,10 +336,11 @@ static int rsync_transport_push(struct transport *transport,
        if (!(flags & TRANSPORT_PUSH_FORCE))
                args[i++] = "--ignore-existing";
        args[i++] = temp_dir.buf;
-       args[i++] = transport->url;
+       args[i++] = rsync_url(transport->url);
        args[i++] = NULL;
        if (run_command(&rsync))
-               result = error("Could not push to %s", transport->url);
+               result = error("Could not push to %s",
+                               rsync_url(transport->url));
 
        if (remove_dir_recursively(&temp_dir, 0))
                warning ("Could not remove temporary directory %s.",
@@ -424,16 +432,14 @@ static int curl_transport_push(struct transport *transport, int refspec_nr, cons
        return !!err;
 }
 
-static struct ref *get_refs_via_curl(struct transport *transport)
+static struct ref *get_refs_via_curl(struct transport *transport, int for_push)
 {
        struct strbuf buffer = STRBUF_INIT;
        char *data, *start, *mid;
        char *ref_name;
        char *refs_url;
        int i = 0;
-
-       struct active_request_slot *slot;
-       struct slot_results results;
+       int http_ret;
 
        struct ref *refs = NULL;
        struct ref *ref = NULL;
@@ -441,6 +447,9 @@ static struct ref *get_refs_via_curl(struct transport *transport)
 
        struct walker *walker;
 
+       if (for_push)
+               return NULL;
+
        if (!transport->data)
                transport->data = get_http_walker(transport->url,
                                                transport->remote);
@@ -450,25 +459,16 @@ static struct ref *get_refs_via_curl(struct transport *transport)
        refs_url = xmalloc(strlen(transport->url) + 11);
        sprintf(refs_url, "%s/info/refs", transport->url);
 
-       slot = get_active_slot();
-       slot->results = &results;
-       curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, refs_url);
-       curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL);
-
-       if (start_active_slot(slot)) {
-               run_active_slot(slot);
-               if (results.curl_result != CURLE_OK) {
-                       strbuf_release(&buffer);
-                       if (missing_target(&results))
-                               die("%s not found: did you run git update-server-info on the server?", refs_url);
-                       else
-                               die("%s download error - %s", refs_url, curl_errorstr);
-               }
-       } else {
-               strbuf_release(&buffer);
-               die("Unable to start HTTP request");
+       http_ret = http_get_strbuf(refs_url, &buffer, HTTP_NO_CACHE);
+       switch (http_ret) {
+       case HTTP_OK:
+               break;
+       case HTTP_MISSING_TARGET:
+               die("%s not found: did you run git update-server-info on the"
+                   " server?", refs_url);
+       default:
+               http_error(refs_url, http_ret);
+               die("HTTP request failed");
        }
 
        data = buffer.buf;
@@ -508,6 +508,8 @@ static struct ref *get_refs_via_curl(struct transport *transport)
                free(ref);
        }
 
+       strbuf_release(&buffer);
+       free(refs_url);
        return refs;
 }
 
@@ -527,12 +529,15 @@ struct bundle_transport_data {
        struct bundle_header header;
 };
 
-static struct ref *get_refs_from_bundle(struct transport *transport)
+static struct ref *get_refs_from_bundle(struct transport *transport, int for_push)
 {
        struct bundle_transport_data *data = transport->data;
        struct ref *result = NULL;
        int i;
 
+       if (for_push)
+               return NULL;
+
        if (data->fd > 0)
                close(data->fd);
        data->fd = read_bundle_header(transport->url, &data->header);
@@ -573,6 +578,7 @@ struct git_transport_data {
        int fd[2];
        const char *uploadpack;
        const char *receivepack;
+       struct extra_have_objects extra_have;
 };
 
 static int set_git_option(struct transport *connection,
@@ -604,20 +610,23 @@ static int set_git_option(struct transport *connection,
        return 1;
 }
 
-static int connect_setup(struct transport *transport)
+static int connect_setup(struct transport *transport, int for_push, int verbose)
 {
        struct git_transport_data *data = transport->data;
-       data->conn = git_connect(data->fd, transport->url, data->uploadpack, 0);
+       data->conn = git_connect(data->fd, transport->url,
+                                for_push ? data->receivepack : data->uploadpack,
+                                verbose ? CONNECT_VERBOSE : 0);
        return 0;
 }
 
-static struct ref *get_refs_via_connect(struct transport *transport)
+static struct ref *get_refs_via_connect(struct transport *transport, int for_push)
 {
        struct git_transport_data *data = transport->data;
        struct ref *refs;
 
-       connect_setup(transport);
-       get_remote_heads(data->fd[0], &refs, 0, NULL, 0, NULL);
+       connect_setup(transport, for_push, 0);
+       get_remote_heads(data->fd[0], &refs, 0, NULL,
+                        for_push ? REF_NORMAL : 0, &data->extra_have);
 
        return refs;
 }
@@ -649,7 +658,7 @@ static int fetch_refs_via_pack(struct transport *transport,
                origh[i] = heads[i] = xstrdup(to_fetch[i]->name);
 
        if (!data->conn) {
-               connect_setup(transport);
+               connect_setup(transport, 0, 0);
                get_remote_heads(data->fd[0], &refs_tmp, 0, NULL, 0, NULL);
        }
 
@@ -672,20 +681,231 @@ static int fetch_refs_via_pack(struct transport *transport,
        return (refs ? 0 : -1);
 }
 
-static int git_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags)
+static int refs_pushed(struct ref *ref)
+{
+       for (; ref; ref = ref->next) {
+               switch(ref->status) {
+               case REF_STATUS_NONE:
+               case REF_STATUS_UPTODATE:
+                       break;
+               default:
+                       return 1;
+               }
+       }
+       return 0;
+}
+
+static void update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
+{
+       struct refspec rs;
+
+       if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
+               return;
+
+       rs.src = ref->name;
+       rs.dst = NULL;
+
+       if (!remote_find_tracking(remote, &rs)) {
+               if (verbose)
+                       fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
+               if (ref->deletion) {
+                       delete_ref(rs.dst, NULL, 0);
+               } else
+                       update_ref("update by push", rs.dst,
+                                       ref->new_sha1, NULL, 0, 0);
+               free(rs.dst);
+       }
+}
+
+#define SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
+
+static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg, int porcelain)
+{
+       if (porcelain) {
+               if (from)
+                       fprintf(stdout, "%c\t%s:%s\t", flag, from->name, to->name);
+               else
+                       fprintf(stdout, "%c\t:%s\t", flag, to->name);
+               if (msg)
+                       fprintf(stdout, "%s (%s)\n", summary, msg);
+               else
+                       fprintf(stdout, "%s\n", summary);
+       } else {
+               fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary);
+               if (from)
+                       fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
+               else
+                       fputs(prettify_refname(to->name), stderr);
+               if (msg) {
+                       fputs(" (", stderr);
+                       fputs(msg, stderr);
+                       fputc(')', stderr);
+               }
+               fputc('\n', stderr);
+       }
+}
+
+static const char *status_abbrev(unsigned char sha1[20])
+{
+       return find_unique_abbrev(sha1, DEFAULT_ABBREV);
+}
+
+static void print_ok_ref_status(struct ref *ref, int porcelain)
+{
+       if (ref->deletion)
+               print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain);
+       else if (is_null_sha1(ref->old_sha1))
+               print_ref_status('*',
+                       (!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" :
+                       "[new branch]"),
+                       ref, ref->peer_ref, NULL, porcelain);
+       else {
+               char quickref[84];
+               char type;
+               const char *msg;
+
+               strcpy(quickref, status_abbrev(ref->old_sha1));
+               if (ref->nonfastforward) {
+                       strcat(quickref, "...");
+                       type = '+';
+                       msg = "forced update";
+               } else {
+                       strcat(quickref, "..");
+                       type = ' ';
+                       msg = NULL;
+               }
+               strcat(quickref, status_abbrev(ref->new_sha1));
+
+               print_ref_status(type, quickref, ref, ref->peer_ref, msg, porcelain);
+       }
+}
+
+static int print_one_push_status(struct ref *ref, const char *dest, int count, int porcelain)
+{
+       if (!count)
+               fprintf(stderr, "To %s\n", dest);
+
+       switch(ref->status) {
+       case REF_STATUS_NONE:
+               print_ref_status('X', "[no match]", ref, NULL, NULL, porcelain);
+               break;
+       case REF_STATUS_REJECT_NODELETE:
+               print_ref_status('!', "[rejected]", ref, NULL,
+                                                "remote does not support deleting refs", porcelain);
+               break;
+       case REF_STATUS_UPTODATE:
+               print_ref_status('=', "[up to date]", ref,
+                                                ref->peer_ref, NULL, porcelain);
+               break;
+       case REF_STATUS_REJECT_NONFASTFORWARD:
+               print_ref_status('!', "[rejected]", ref, ref->peer_ref,
+                                                "non-fast forward", porcelain);
+               break;
+       case REF_STATUS_REMOTE_REJECT:
+               print_ref_status('!', "[remote rejected]", ref,
+                                                ref->deletion ? NULL : ref->peer_ref,
+                                                ref->remote_status, porcelain);
+               break;
+       case REF_STATUS_EXPECTING_REPORT:
+               print_ref_status('!', "[remote failure]", ref,
+                                                ref->deletion ? NULL : ref->peer_ref,
+                                                "remote failed to report status", porcelain);
+               break;
+       case REF_STATUS_OK:
+               print_ok_ref_status(ref, porcelain);
+               break;
+       }
+
+       return 1;
+}
+
+static void print_push_status(const char *dest, struct ref *refs,
+                             int verbose, int porcelain, int * nonfastforward)
+{
+       struct ref *ref;
+       int n = 0;
+
+       if (verbose) {
+               for (ref = refs; ref; ref = ref->next)
+                       if (ref->status == REF_STATUS_UPTODATE)
+                               n += print_one_push_status(ref, dest, n, porcelain);
+       }
+
+       for (ref = refs; ref; ref = ref->next)
+               if (ref->status == REF_STATUS_OK)
+                       n += print_one_push_status(ref, dest, n, porcelain);
+
+       *nonfastforward = 0;
+       for (ref = refs; ref; ref = ref->next) {
+               if (ref->status != REF_STATUS_NONE &&
+                   ref->status != REF_STATUS_UPTODATE &&
+                   ref->status != REF_STATUS_OK)
+                       n += print_one_push_status(ref, dest, n, porcelain);
+               if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD)
+                       *nonfastforward = 1;
+       }
+}
+
+static void verify_remote_names(int nr_heads, const char **heads)
+{
+       int i;
+
+       for (i = 0; i < nr_heads; i++) {
+               const char *local = heads[i];
+               const char *remote = strrchr(heads[i], ':');
+
+               if (*local == '+')
+                       local++;
+
+               /* A matching refspec is okay.  */
+               if (remote == local && remote[1] == '\0')
+                       continue;
+
+               remote = remote ? (remote + 1) : local;
+               switch (check_ref_format(remote)) {
+               case 0: /* ok */
+               case CHECK_REF_FORMAT_ONELEVEL:
+                       /* ok but a single level -- that is fine for
+                        * a match pattern.
+                        */
+               case CHECK_REF_FORMAT_WILDCARD:
+                       /* ok but ends with a pattern-match character */
+                       continue;
+               }
+               die("remote part of refspec is not a valid name in %s",
+                   heads[i]);
+       }
+}
+
+static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags)
 {
        struct git_transport_data *data = transport->data;
        struct send_pack_args args;
+       int ret;
+
+       if (!data->conn) {
+               struct ref *tmp_refs;
+               connect_setup(transport, 1, 0);
+
+               get_remote_heads(data->fd[0], &tmp_refs, 0, NULL, REF_NORMAL,
+                                NULL);
+       }
 
-       args.receivepack = data->receivepack;
-       args.send_all = !!(flags & TRANSPORT_PUSH_ALL);
        args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
        args.force_update = !!(flags & TRANSPORT_PUSH_FORCE);
        args.use_thin_pack = data->thin;
        args.verbose = !!(flags & TRANSPORT_PUSH_VERBOSE);
        args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
 
-       return send_pack(&args, transport->url, transport->remote, refspec_nr, refspec);
+       ret = send_pack(&args, data->fd, data->conn, remote_refs,
+                       &data->extra_have);
+
+       close(data->fd[1]);
+       close(data->fd[0]);
+       ret |= finish_connect(data->conn);
+       data->conn = NULL;
+
+       return ret;
 }
 
 static int disconnect_git(struct transport *transport)
@@ -725,7 +945,7 @@ struct transport *transport_get(struct remote *remote, const char *url)
        ret->remote = remote;
        ret->url = url;
 
-       if (!prefixcmp(url, "rsync://")) {
+       if (!prefixcmp(url, "rsync:")) {
                ret->get_refs_list = get_refs_via_rsync;
                ret->fetch = fetch_objs_via_rsync;
                ret->push = rsync_transport_push;
@@ -755,7 +975,7 @@ struct transport *transport_get(struct remote *remote, const char *url)
                ret->set_option = set_git_option;
                ret->get_refs_list = get_refs_via_connect;
                ret->fetch = fetch_refs_via_pack;
-               ret->push = git_transport_push;
+               ret->push_refs = git_transport_push;
                ret->disconnect = disconnect_git;
 
                data->thin = 1;
@@ -780,17 +1000,53 @@ int transport_set_option(struct transport *transport,
 }
 
 int transport_push(struct transport *transport,
-                  int refspec_nr, const char **refspec, int flags)
+                  int refspec_nr, const char **refspec, int flags,
+                  int * nonfastforward)
 {
-       if (!transport->push)
-               return 1;
-       return transport->push(transport, refspec_nr, refspec, flags);
+       verify_remote_names(refspec_nr, refspec);
+
+       if (transport->push)
+               return transport->push(transport, refspec_nr, refspec, flags);
+       if (transport->push_refs) {
+               struct ref *remote_refs =
+                       transport->get_refs_list(transport, 1);
+               struct ref *local_refs = get_local_heads();
+               int match_flags = MATCH_REFS_NONE;
+               int verbose = flags & TRANSPORT_PUSH_VERBOSE;
+               int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
+               int ret;
+
+               if (flags & TRANSPORT_PUSH_ALL)
+                       match_flags |= MATCH_REFS_ALL;
+               if (flags & TRANSPORT_PUSH_MIRROR)
+                       match_flags |= MATCH_REFS_MIRROR;
+
+               if (match_refs(local_refs, &remote_refs,
+                              refspec_nr, refspec, match_flags)) {
+                       return -1;
+               }
+
+               ret = transport->push_refs(transport, remote_refs, flags);
+
+               print_push_status(transport->url, remote_refs, verbose | porcelain, porcelain, nonfastforward);
+
+               if (!(flags & TRANSPORT_PUSH_DRY_RUN)) {
+                       struct ref *ref;
+                       for (ref = remote_refs; ref; ref = ref->next)
+                               update_tracking_ref(transport->remote, ref, verbose);
+               }
+
+               if (!ret && !refs_pushed(remote_refs))
+                       fprintf(stderr, "Everything up-to-date\n");
+               return ret;
+       }
+       return 1;
 }
 
 const struct ref *transport_get_remote_refs(struct transport *transport)
 {
        if (!transport->remote_refs)
-               transport->remote_refs = transport->get_refs_list(transport);
+               transport->remote_refs = transport->get_refs_list(transport, 0);
        return transport->remote_refs;
 }
 
@@ -817,7 +1073,7 @@ int transport_fetch_refs(struct transport *transport, const struct ref *refs)
 void transport_unlock_pack(struct transport *transport)
 {
        if (transport->pack_lockfile) {
-               unlink(transport->pack_lockfile);
+               unlink_or_warn(transport->pack_lockfile);
                free(transport->pack_lockfile);
                transport->pack_lockfile = NULL;
        }
@@ -831,3 +1087,51 @@ int transport_disconnect(struct transport *transport)
        free(transport);
        return ret;
 }
+
+/*
+ * Strip username (and password) from an url and return
+ * it in a newly allocated string.
+ */
+char *transport_anonymize_url(const char *url)
+{
+       char *anon_url, *scheme_prefix, *anon_part;
+       size_t anon_len, prefix_len = 0;
+
+       anon_part = strchr(url, '@');
+       if (is_local(url) || !anon_part)
+               goto literal_copy;
+
+       anon_len = strlen(++anon_part);
+       scheme_prefix = strstr(url, "://");
+       if (!scheme_prefix) {
+               if (!strchr(anon_part, ':'))
+                       /* cannot be "me@there:/path/name" */
+                       goto literal_copy;
+       } else {
+               const char *cp;
+               /* make sure scheme is reasonable */
+               for (cp = url; cp < scheme_prefix; cp++) {
+                       switch (*cp) {
+                               /* RFC 1738 2.1 */
+                       case '+': case '.': case '-':
+                               break; /* ok */
+                       default:
+                               if (isalnum(*cp))
+                                       break;
+                               /* it isn't */
+                               goto literal_copy;
+                       }
+               }
+               /* @ past the first slash does not count */
+               cp = strchr(scheme_prefix + 3, '/');
+               if (cp && cp < anon_part)
+                       goto literal_copy;
+               prefix_len = scheme_prefix - url + 3;
+       }
+       anon_url = xcalloc(1, 1 + prefix_len + anon_len);
+       memcpy(anon_url, url, prefix_len);
+       memcpy(anon_url + prefix_len, anon_part, anon_len);
+       return anon_url;
+literal_copy:
+       return xstrdup(url);
+}