tree-diff: show_tree() is not needed
[gitweb.git] / remote-curl.c
index ef1684b9df3ee5cff0d63ab5f7ed51e7f351a686..10cb0114eafdfd9760b3fdb3c0217d801195ba13 100644 (file)
@@ -6,9 +6,11 @@
 #include "exec_cmd.h"
 #include "run-command.h"
 #include "pkt-line.h"
+#include "string-list.h"
 #include "sideband.h"
 #include "argv-array.h"
 #include "credential.h"
+#include "sha1-array.h"
 
 static struct remote *remote;
 /* always ends with a trailing slash */
@@ -18,11 +20,15 @@ struct options {
        int verbosity;
        unsigned long depth;
        unsigned progress : 1,
+               check_self_contained_and_connected : 1,
+               cloning : 1,
+               update_shallow : 1,
                followtags : 1,
                dry_run : 1,
                thin : 1;
 };
 static struct options options;
+static struct string_list cas_options = STRING_LIST_INIT_DUP;
 
 static int set_option(const char *name, const char *value)
 {
@@ -69,7 +75,38 @@ static int set_option(const char *name, const char *value)
                        return -1;
                return 0;
        }
-       else {
+       else if (!strcmp(name, "check-connectivity")) {
+               if (!strcmp(value, "true"))
+                       options.check_self_contained_and_connected = 1;
+               else if (!strcmp(value, "false"))
+                       options.check_self_contained_and_connected = 0;
+               else
+                       return -1;
+               return 0;
+       }
+       else if (!strcmp(name, "cas")) {
+               struct strbuf val = STRBUF_INIT;
+               strbuf_addf(&val, "--" CAS_OPT_NAME "=%s", value);
+               string_list_append(&cas_options, val.buf);
+               strbuf_release(&val);
+               return 0;
+       } else if (!strcmp(name, "cloning")) {
+               if (!strcmp(value, "true"))
+                       options.cloning = 1;
+               else if (!strcmp(value, "false"))
+                       options.cloning = 0;
+               else
+                       return -1;
+               return 0;
+       } else if (!strcmp(name, "update-shallow")) {
+               if (!strcmp(value, "true"))
+                       options.update_shallow = 1;
+               else if (!strcmp(value, "false"))
+                       options.update_shallow = 0;
+               else
+                       return -1;
+               return 0;
+       } else {
                return 1 /* unsupported */;
        }
 }
@@ -80,6 +117,7 @@ struct discovery {
        char *buf;
        size_t len;
        struct ref *refs;
+       struct sha1_array shallow;
        unsigned proto_git : 1;
 };
 static struct discovery *last_discovery;
@@ -88,7 +126,7 @@ static struct ref *parse_git_refs(struct discovery *heads, int for_push)
 {
        struct ref *list = NULL;
        get_remote_heads(-1, heads->buf, heads->len, &list,
-                        for_push ? REF_NORMAL : 0, NULL);
+                        for_push ? REF_NORMAL : 0, NULL, &heads->shallow);
        return list;
 }
 
@@ -149,6 +187,7 @@ static void free_discovery(struct discovery *d)
        if (d) {
                if (d == last_discovery)
                        last_discovery = NULL;
+               free(d->shallow.sha1);
                free(d->buf_alloc);
                free_refs(d->refs);
                free(d);
@@ -198,7 +237,7 @@ static struct discovery* discover_refs(const char *service, int for_push)
        free_discovery(last);
 
        strbuf_addf(&refs_url, "%sinfo/refs", url.buf);
-       if ((!prefixcmp(url.buf, "http://") || !prefixcmp(url.buf, "https://")) &&
+       if ((starts_with(url.buf, "http://") || starts_with(url.buf, "https://")) &&
             git_env_bool("GIT_SMART_HTTP", 1)) {
                maybe_smart = 1;
                if (!strchr(url.buf, '?'))
@@ -375,25 +414,29 @@ static size_t rpc_in(char *ptr, size_t eltsize,
        return size;
 }
 
-static int run_slot(struct active_request_slot *slot)
+static int run_slot(struct active_request_slot *slot,
+                   struct slot_results *results)
 {
        int err;
-       struct slot_results results;
+       struct slot_results results_buf;
+
+       if (!results)
+               results = &results_buf;
 
-       slot->results = &results;
+       slot->results = results;
        slot->curl_result = curl_easy_perform(slot->curl);
        finish_active_slot(slot);
 
-       err = handle_curl_result(&results);
+       err = handle_curl_result(results);
        if (err != HTTP_OK && err != HTTP_REAUTH) {
                error("RPC failed; result=%d, HTTP code = %ld",
-                     results.curl_result, results.http_code);
+                     results->curl_result, results->http_code);
        }
 
        return err;
 }
 
-static int probe_rpc(struct rpc_state *rpc)
+static int probe_rpc(struct rpc_state *rpc, struct slot_results *results)
 {
        struct active_request_slot *slot;
        struct curl_slist *headers = NULL;
@@ -415,7 +458,7 @@ static int probe_rpc(struct rpc_state *rpc)
        curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
        curl_easy_setopt(slot->curl, CURLOPT_FILE, &buf);
 
-       err = run_slot(slot);
+       err = run_slot(slot, results);
 
        curl_slist_free_all(headers);
        strbuf_release(&buf);
@@ -430,6 +473,7 @@ static int post_rpc(struct rpc_state *rpc)
        char *gzip_body = NULL;
        size_t gzip_size = 0;
        int err, large_request = 0;
+       int needs_100_continue = 0;
 
        /* Try to load the entire request, if we can fit it into the
         * allocated buffer space we can use HTTP/1.0 and avoid the
@@ -453,18 +497,24 @@ static int post_rpc(struct rpc_state *rpc)
        }
 
        if (large_request) {
+               struct slot_results results;
+
                do {
-                       err = probe_rpc(rpc);
+                       err = probe_rpc(rpc, &results);
                        if (err == HTTP_REAUTH)
                                credential_fill(&http_auth);
                } while (err == HTTP_REAUTH);
                if (err != HTTP_OK)
                        return -1;
+
+               if (results.auth_avail & CURLAUTH_GSSNEGOTIATE)
+                       needs_100_continue = 1;
        }
 
        headers = curl_slist_append(headers, rpc->hdr_content_type);
        headers = curl_slist_append(headers, rpc->hdr_accept);
-       headers = curl_slist_append(headers, "Expect:");
+       headers = curl_slist_append(headers, needs_100_continue ?
+               "Expect: 100-continue" : "Expect:");
 
 retry:
        slot = get_active_slot();
@@ -555,7 +605,7 @@ 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);
 
-       err = run_slot(slot);
+       err = run_slot(slot, NULL);
        if (err == HTTP_REAUTH && !large_request) {
                credential_fill(&http_auth);
                goto retry;
@@ -669,7 +719,7 @@ static int fetch_git(struct discovery *heads,
        struct strbuf preamble = STRBUF_INIT;
        char *depth_arg = NULL;
        int argc = 0, i, err;
-       const char *argv[15];
+       const char *argv[17];
 
        argv[argc++] = "fetch-pack";
        argv[argc++] = "--stateless-rpc";
@@ -683,6 +733,12 @@ static int fetch_git(struct discovery *heads,
                argv[argc++] = "-v";
                argv[argc++] = "-v";
        }
+       if (options.check_self_contained_and_connected)
+               argv[argc++] = "--check-self-contained-and-connected";
+       if (options.cloning)
+               argv[argc++] = "--cloning";
+       if (options.update_shallow)
+               argv[argc++] = "--update-shallow";
        if (!options.progress)
                argv[argc++] = "--no-progress";
        if (options.depth) {
@@ -698,7 +754,8 @@ static int fetch_git(struct discovery *heads,
                struct ref *ref = to_fetch[i];
                if (!ref->name || !*ref->name)
                        die("cannot fetch by sha1 over smart http");
-               packet_buf_write(&preamble, "%s\n", ref->name);
+               packet_buf_write(&preamble, "%s %s\n",
+                                sha1_to_hex(ref->old_sha1), ref->name);
        }
        packet_buf_flush(&preamble);
 
@@ -734,7 +791,7 @@ static void parse_fetch(struct strbuf *buf)
        int alloc_heads = 0, nr_heads = 0;
 
        do {
-               if (!prefixcmp(buf->buf, "fetch ")) {
+               if (starts_with(buf->buf, "fetch ")) {
                        char *p = buf->buf + strlen("fetch ");
                        char *name;
                        struct ref *ref;
@@ -805,6 +862,7 @@ static int push_git(struct discovery *heads, int nr_spec, char **specs)
        struct rpc_state rpc;
        int i, err;
        struct argv_array args;
+       struct string_list_item *cas_option;
 
        argv_array_init(&args);
        argv_array_pushl(&args, "send-pack", "--stateless-rpc", "--helper-status",
@@ -819,6 +877,8 @@ static int push_git(struct discovery *heads, int nr_spec, char **specs)
        else if (options.verbosity > 1)
                argv_array_push(&args, "--verbose");
        argv_array_push(&args, options.progress ? "--progress" : "--no-progress");
+       for_each_string_list_item(cas_option, &cas_options)
+               argv_array_push(&args, cas_option->string);
        argv_array_push(&args, url.buf);
        for (i = 0; i < nr_spec; i++)
                argv_array_push(&args, specs[i]);
@@ -854,7 +914,7 @@ static void parse_push(struct strbuf *buf)
        int alloc_spec = 0, nr_spec = 0, i, ret;
 
        do {
-               if (!prefixcmp(buf->buf, "push ")) {
+               if (starts_with(buf->buf, "push ")) {
                        ALLOC_GROW(specs, nr_spec + 1, alloc_spec);
                        specs[nr_spec++] = xstrdup(buf->buf + 5);
                }
@@ -917,19 +977,19 @@ int main(int argc, const char **argv)
                }
                if (buf.len == 0)
                        break;
-               if (!prefixcmp(buf.buf, "fetch ")) {
+               if (starts_with(buf.buf, "fetch ")) {
                        if (nongit)
                                die("Fetch attempted without a local repo");
                        parse_fetch(&buf);
 
-               } else if (!strcmp(buf.buf, "list") || !prefixcmp(buf.buf, "list ")) {
+               } else if (!strcmp(buf.buf, "list") || starts_with(buf.buf, "list ")) {
                        int for_push = !!strstr(buf.buf + 4, "for-push");
                        output_refs(get_refs(for_push));
 
-               } else if (!prefixcmp(buf.buf, "push ")) {
+               } else if (starts_with(buf.buf, "push ")) {
                        parse_push(&buf);
 
-               } else if (!prefixcmp(buf.buf, "option ")) {
+               } else if (starts_with(buf.buf, "option ")) {
                        char *name = buf.buf + strlen("option ");
                        char *value = strchr(name, ' ');
                        int result;
@@ -952,6 +1012,7 @@ int main(int argc, const char **argv)
                        printf("fetch\n");
                        printf("option\n");
                        printf("push\n");
+                       printf("check-connectivity\n");
                        printf("\n");
                        fflush(stdout);
                } else {