fetch, upload-pack: --deepen=N extends shallow boundary by N commits
[gitweb.git] / remote-curl.c
index cc7a8a66faa96ba9bc8ae82e72d0202c0a802ba1..d56412deb14237fcb4c5dca1f11cda1ae8f4fcdf 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;
@@ -169,7 +189,7 @@ static struct ref *parse_info_refs(struct discovery *heads)
                        data[i] = 0;
                        ref_name = mid + 1;
                        ref = alloc_ref(ref_name);
-                       get_sha1_hex(start, ref->old_sha1);
+                       get_oid_hex(start, &ref->old_oid);
                        if (!refs)
                                refs = ref;
                        if (last_ref)
@@ -348,7 +368,7 @@ 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);
@@ -699,10 +719,10 @@ static int fetch_dumb(int nr_heads, struct ref **to_fetch)
        char **targets = xmalloc(nr_heads * sizeof(char*));
        int ret, i;
 
-       if (options.depth)
-               die("dumb http transport does not support --depth");
+       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;
@@ -725,51 +745,48 @@ 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;
 
@@ -778,7 +795,7 @@ 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;
 }
 
@@ -803,19 +820,19 @@ 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;
@@ -827,7 +844,7 @@ 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;
@@ -940,7 +957,7 @@ 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;
@@ -976,6 +993,7 @@ 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]);
 
@@ -990,7 +1008,7 @@ 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;