rebase -i: fix comment typo
[gitweb.git] / remote-curl.c
index 71fbbb694fc78471343f568a5e93b8013a7bb9cb..34a97e7328d440d48badd53bb0d3167a58558ee9 100644 (file)
@@ -20,6 +20,8 @@ static struct strbuf url = STRBUF_INIT;
 struct options {
        int verbosity;
        unsigned long depth;
+       char *deepen_since;
+       struct string_list deepen_not;
        unsigned progress : 1,
                check_self_contained_and_connected : 1,
                cloning : 1,
@@ -28,7 +30,8 @@ struct options {
                dry_run : 1,
                thin : 1,
                /* One of the SEND_PACK_PUSH_CERT_* constants. */
-               push_cert : 2;
+               push_cert : 2,
+               deepen_relative : 1;
 };
 static struct options options;
 static struct string_list cas_options = STRING_LIST_INIT_DUP;
@@ -60,6 +63,23 @@ static int set_option(const char *name, const char *value)
                options.depth = v;
                return 0;
        }
+       else if (!strcmp(name, "deepen-since")) {
+               options.deepen_since = xstrdup(value);
+               return 0;
+       }
+       else if (!strcmp(name, "deepen-not")) {
+               string_list_append(&options.deepen_not, value);
+               return 0;
+       }
+       else if (!strcmp(name, "deepen-relative")) {
+               if (!strcmp(value, "true"))
+                       options.deepen_relative = 1;
+               else if (!strcmp(value, "false"))
+                       options.deepen_relative = 0;
+               else
+                       return -1;
+               return 0;
+       }
        else if (!strcmp(name, "followtags")) {
                if (!strcmp(value, "true"))
                        options.followtags = 1;
@@ -119,6 +139,19 @@ static int set_option(const char *name, const char *value)
                else
                        return -1;
                return 0;
+
+#if LIBCURL_VERSION_NUM >= 0x070a08
+       } else if (!strcmp(name, "family")) {
+               if (!strcmp(value, "ipv4"))
+                       git_curl_ipresolve = CURL_IPRESOLVE_V4;
+               else if (!strcmp(value, "ipv6"))
+                       git_curl_ipresolve = CURL_IPRESOLVE_V6;
+               else if (!strcmp(value, "all"))
+                       git_curl_ipresolve = CURL_IPRESOLVE_WHATEVER;
+               else
+                       return -1;
+               return 0;
+#endif /* LIBCURL_VERSION_NUM >= 0x070a08 */
        } else {
                return 1 /* unsupported */;
        }
@@ -168,11 +201,8 @@ static struct ref *parse_info_refs(struct discovery *heads)
                                    url.buf);
                        data[i] = 0;
                        ref_name = mid + 1;
-                       ref = xmalloc(sizeof(struct ref) +
-                                     strlen(ref_name) + 1);
-                       memset(ref, 0, sizeof(struct ref));
-                       strcpy(ref->name, ref_name);
-                       get_sha1_hex(start, ref->old_sha1);
+                       ref = alloc_ref(ref_name);
+                       get_oid_hex(start, &ref->old_oid);
                        if (!refs)
                                refs = ref;
                        if (last_ref)
@@ -244,7 +274,7 @@ static struct discovery *discover_refs(const char *service, int for_push)
        struct strbuf effective_url = STRBUF_INIT;
        struct discovery *last = last_discovery;
        int http_ret, maybe_smart = 0;
-       struct http_get_options options;
+       struct http_get_options http_options;
 
        if (last && !strcmp(service, last->service))
                return last;
@@ -261,15 +291,16 @@ static struct discovery *discover_refs(const char *service, int for_push)
                strbuf_addf(&refs_url, "service=%s", service);
        }
 
-       memset(&options, 0, sizeof(options));
-       options.content_type = &type;
-       options.charset = &charset;
-       options.effective_url = &effective_url;
-       options.base_url = &url;
-       options.no_cache = 1;
-       options.keep_error = 1;
+       memset(&http_options, 0, sizeof(http_options));
+       http_options.content_type = &type;
+       http_options.charset = &charset;
+       http_options.effective_url = &effective_url;
+       http_options.base_url = &url;
+       http_options.initial_request = 1;
+       http_options.no_cache = 1;
+       http_options.keep_error = 1;
 
-       http_ret = http_get_strbuf(refs_url.buf, &buffer, &options);
+       http_ret = http_get_strbuf(refs_url.buf, &buffer, &http_options);
        switch (http_ret) {
        case HTTP_OK:
                break;
@@ -284,6 +315,9 @@ static struct discovery *discover_refs(const char *service, int for_push)
                die("unable to access '%s': %s", url.buf, curl_errorstr);
        }
 
+       if (options.verbosity && !starts_with(refs_url.buf, url.buf))
+               warning(_("redirecting to %s"), url.buf);
+
        last= xcalloc(1, sizeof(*last_discovery));
        last->service = service;
        last->buf_alloc = strbuf_detach(&buffer, &last->len);
@@ -351,7 +385,7 @@ static void output_refs(struct ref *refs)
                if (posn->symref)
                        printf("@%s %s\n", posn->symref, posn->name);
                else
-                       printf("%s %s\n", sha1_to_hex(posn->old_sha1), posn->name);
+                       printf("%s %s\n", oid_to_hex(&posn->old_oid), posn->name);
        }
        printf("\n");
        fflush(stdout);
@@ -370,6 +404,7 @@ struct rpc_state {
        size_t pos;
        int in;
        int out;
+       int any_written;
        struct strbuf result;
        unsigned gzip_request : 1;
        unsigned initial_buffer : 1;
@@ -426,6 +461,8 @@ static size_t rpc_in(char *ptr, size_t eltsize,
 {
        size_t size = eltsize * nmemb;
        struct rpc_state *rpc = buffer_;
+       if (size)
+               rpc->any_written = 1;
        write_or_die(rpc->in, ptr, size);
        return size;
 }
@@ -442,8 +479,20 @@ static int run_slot(struct active_request_slot *slot,
        err = run_one_slot(slot, results);
 
        if (err != HTTP_OK && err != HTTP_REAUTH) {
-               error("RPC failed; result=%d, HTTP code = %ld",
-                     results->curl_result, results->http_code);
+               struct strbuf msg = STRBUF_INIT;
+               if (results->http_code && results->http_code != 200)
+                       strbuf_addf(&msg, "HTTP %ld", results->http_code);
+               if (results->curl_result != CURLE_OK) {
+                       if (msg.len)
+                               strbuf_addch(&msg, ' ');
+                       strbuf_addf(&msg, "curl %d", results->curl_result);
+                       if (curl_errorstr[0]) {
+                               strbuf_addch(&msg, ' ');
+                               strbuf_addstr(&msg, curl_errorstr);
+                       }
+               }
+               error("RPC failed; %s", msg.buf);
+               strbuf_release(&msg);
        }
 
        return err;
@@ -452,7 +501,7 @@ static int run_slot(struct active_request_slot *slot,
 static int probe_rpc(struct rpc_state *rpc, struct slot_results *results)
 {
        struct active_request_slot *slot;
-       struct curl_slist *headers = NULL;
+       struct curl_slist *headers = http_copy_default_headers();
        struct strbuf buf = STRBUF_INIT;
        int err;
 
@@ -481,7 +530,7 @@ static int probe_rpc(struct rpc_state *rpc, struct slot_results *results)
 static int post_rpc(struct rpc_state *rpc)
 {
        struct active_request_slot *slot;
-       struct curl_slist *headers = NULL;
+       struct curl_slist *headers = http_copy_default_headers();
        int use_gzip = rpc->gzip_request;
        char *gzip_body = NULL;
        size_t gzip_size = 0;
@@ -617,6 +666,8 @@ static int post_rpc(struct rpc_state *rpc)
        curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in);
        curl_easy_setopt(slot->curl, CURLOPT_FILE, rpc);
 
+
+       rpc->any_written = 0;
        err = run_slot(slot, NULL);
        if (err == HTTP_REAUTH && !large_request) {
                credential_fill(&http_auth);
@@ -625,6 +676,9 @@ static int post_rpc(struct rpc_state *rpc)
        if (err != HTTP_OK)
                err = -1;
 
+       if (!rpc->any_written)
+               err = -1;
+
        curl_slist_free_all(headers);
        free(gzip_body);
        return err;
@@ -699,13 +753,14 @@ static int rpc_service(struct rpc_state *rpc, struct discovery *heads)
 static int fetch_dumb(int nr_heads, struct ref **to_fetch)
 {
        struct walker *walker;
-       char **targets = xmalloc(nr_heads * sizeof(char*));
+       char **targets;
        int ret, i;
 
-       if (options.depth)
-               die("dumb http transport does not support --depth");
+       ALLOC_ARRAY(targets, nr_heads);
+       if (options.depth || options.deepen_since)
+               die("dumb http transport does not support shallow capabilities");
        for (i = 0; i < nr_heads; i++)
-               targets[i] = xstrdup(sha1_to_hex(to_fetch[i]->old_sha1));
+               targets[i] = xstrdup(oid_to_hex(&to_fetch[i]->old_oid));
 
        walker = get_http_walker(url.buf);
        walker->get_all = 1;
@@ -728,51 +783,48 @@ static int fetch_git(struct discovery *heads,
 {
        struct rpc_state rpc;
        struct strbuf preamble = STRBUF_INIT;
-       char *depth_arg = NULL;
-       int argc = 0, i, err;
-       const char *argv[17];
-
-       argv[argc++] = "fetch-pack";
-       argv[argc++] = "--stateless-rpc";
-       argv[argc++] = "--stdin";
-       argv[argc++] = "--lock-pack";
+       int i, err;
+       struct argv_array args = ARGV_ARRAY_INIT;
+
+       argv_array_pushl(&args, "fetch-pack", "--stateless-rpc",
+                        "--stdin", "--lock-pack", NULL);
        if (options.followtags)
-               argv[argc++] = "--include-tag";
+               argv_array_push(&args, "--include-tag");
        if (options.thin)
-               argv[argc++] = "--thin";
-       if (options.verbosity >= 3) {
-               argv[argc++] = "-v";
-               argv[argc++] = "-v";
-       }
+               argv_array_push(&args, "--thin");
+       if (options.verbosity >= 3)
+               argv_array_pushl(&args, "-v", "-v", NULL);
        if (options.check_self_contained_and_connected)
-               argv[argc++] = "--check-self-contained-and-connected";
+               argv_array_push(&args, "--check-self-contained-and-connected");
        if (options.cloning)
-               argv[argc++] = "--cloning";
+               argv_array_push(&args, "--cloning");
        if (options.update_shallow)
-               argv[argc++] = "--update-shallow";
+               argv_array_push(&args, "--update-shallow");
        if (!options.progress)
-               argv[argc++] = "--no-progress";
-       if (options.depth) {
-               struct strbuf buf = STRBUF_INIT;
-               strbuf_addf(&buf, "--depth=%lu", options.depth);
-               depth_arg = strbuf_detach(&buf, NULL);
-               argv[argc++] = depth_arg;
-       }
-       argv[argc++] = url.buf;
-       argv[argc++] = NULL;
+               argv_array_push(&args, "--no-progress");
+       if (options.depth)
+               argv_array_pushf(&args, "--depth=%lu", options.depth);
+       if (options.deepen_since)
+               argv_array_pushf(&args, "--shallow-since=%s", options.deepen_since);
+       for (i = 0; i < options.deepen_not.nr; i++)
+               argv_array_pushf(&args, "--shallow-exclude=%s",
+                                options.deepen_not.items[i].string);
+       if (options.deepen_relative && options.depth)
+               argv_array_push(&args, "--deepen-relative");
+       argv_array_push(&args, url.buf);
 
        for (i = 0; i < nr_heads; i++) {
                struct ref *ref = to_fetch[i];
                if (!*ref->name)
                        die("cannot fetch by sha1 over smart http");
                packet_buf_write(&preamble, "%s %s\n",
-                                sha1_to_hex(ref->old_sha1), ref->name);
+                                oid_to_hex(&ref->old_oid), ref->name);
        }
        packet_buf_flush(&preamble);
 
        memset(&rpc, 0, sizeof(rpc));
        rpc.service_name = "git-upload-pack",
-       rpc.argv = argv;
+       rpc.argv = args.argv;
        rpc.stdin_preamble = &preamble;
        rpc.gzip_request = 1;
 
@@ -781,7 +833,7 @@ static int fetch_git(struct discovery *heads,
                write_or_die(1, rpc.result.buf, rpc.result.len);
        strbuf_release(&rpc.result);
        strbuf_release(&preamble);
-       free(depth_arg);
+       argv_array_clear(&args);
        return err;
 }
 
@@ -806,19 +858,19 @@ static void parse_fetch(struct strbuf *buf)
                if (skip_prefix(buf->buf, "fetch ", &p)) {
                        const char *name;
                        struct ref *ref;
-                       unsigned char old_sha1[20];
+                       struct object_id old_oid;
 
-                       if (strlen(p) < 40 || get_sha1_hex(p, old_sha1))
+                       if (get_oid_hex(p, &old_oid))
                                die("protocol error: expected sha/ref, got %s'", p);
-                       if (p[40] == ' ')
-                               name = p + 41;
-                       else if (!p[40])
+                       if (p[GIT_SHA1_HEXSZ] == ' ')
+                               name = p + GIT_SHA1_HEXSZ + 1;
+                       else if (!p[GIT_SHA1_HEXSZ])
                                name = "";
                        else
                                die("protocol error: expected sha/ref, got %s'", p);
 
                        ref = alloc_ref(name);
-                       hashcpy(ref->old_sha1, old_sha1);
+                       oidcpy(&ref->old_oid, &old_oid);
 
                        *list = ref;
                        list = &ref->next;
@@ -830,7 +882,7 @@ static void parse_fetch(struct strbuf *buf)
                        die("http transport does not support %s", buf->buf);
 
                strbuf_reset(buf);
-               if (strbuf_getline(buf, stdin, '\n') == EOF)
+               if (strbuf_getline_lf(buf, stdin) == EOF)
                        return;
                if (!*buf->buf)
                        break;
@@ -848,23 +900,22 @@ static void parse_fetch(struct strbuf *buf)
 
 static int push_dav(int nr_spec, char **specs)
 {
-       const char **argv = xmalloc((10 + nr_spec) * sizeof(char*));
-       int argc = 0, i;
+       struct child_process child = CHILD_PROCESS_INIT;
+       size_t i;
 
-       argv[argc++] = "http-push";
-       argv[argc++] = "--helper-status";
+       child.git_cmd = 1;
+       argv_array_push(&child.args, "http-push");
+       argv_array_push(&child.args, "--helper-status");
        if (options.dry_run)
-               argv[argc++] = "--dry-run";
+               argv_array_push(&child.args, "--dry-run");
        if (options.verbosity > 1)
-               argv[argc++] = "--verbose";
-       argv[argc++] = url.buf;
+               argv_array_push(&child.args, "--verbose");
+       argv_array_push(&child.args, url.buf);
        for (i = 0; i < nr_spec; i++)
-               argv[argc++] = specs[i];
-       argv[argc++] = NULL;
+               argv_array_push(&child.args, specs[i]);
 
-       if (run_command_v_opt(argv, RUN_GIT_CMD))
-               die("git-%s failed", argv[0]);
-       free(argv);
+       if (run_command(&child))
+               die("git-http-push failed");
        return 0;
 }
 
@@ -943,7 +994,7 @@ static void parse_push(struct strbuf *buf)
                        die("http transport does not support %s", buf->buf);
 
                strbuf_reset(buf);
-               if (strbuf_getline(buf, stdin, '\n') == EOF)
+               if (strbuf_getline_lf(buf, stdin) == EOF)
                        goto free_specs;
                if (!*buf->buf)
                        break;
@@ -962,14 +1013,11 @@ static void parse_push(struct strbuf *buf)
        free(specs);
 }
 
-int main(int argc, const char **argv)
+int cmd_main(int argc, const char **argv)
 {
        struct strbuf buf = STRBUF_INIT;
        int nongit;
 
-       git_setup_gettext();
-
-       git_extract_argv0_path(argv[0]);
        setup_git_directory_gently(&nongit);
        if (argc < 2) {
                error("remote-curl: usage: git remote-curl <remote> [<url>]");
@@ -979,6 +1027,7 @@ int main(int argc, const char **argv)
        options.verbosity = 1;
        options.progress = !!isatty(2);
        options.thin = 1;
+       string_list_init(&options.deepen_not, 1);
 
        remote = remote_get(argv[1]);
 
@@ -993,7 +1042,7 @@ int main(int argc, const char **argv)
        do {
                const char *arg;
 
-               if (strbuf_getline(&buf, stdin, '\n') == EOF) {
+               if (strbuf_getline_lf(&buf, stdin) == EOF) {
                        if (ferror(stdin))
                                error("remote-curl: error reading command stream from git");
                        return 1;