Code

Merge branch 'bg/maint-add-all-doc' into maint-1.6.5
[git.git] / upload-pack.c
index 841ebb534ac3393f5ee80692f1402c82a1b4a5f6..0ea8516ebf6825536cf85032e46755855f53909b 100644 (file)
@@ -29,8 +29,10 @@ static unsigned long oldest_have;
 static int multi_ack, nr_our_refs;
 static int use_thin_pack, use_ofs_delta, use_include_tag;
 static int no_progress, daemon_mode;
+static int shallow_nr;
 static struct object_array have_obj;
 static struct object_array want_obj;
+static struct object_array extra_edge_obj;
 static unsigned int timeout;
 /* 0 for no sideband,
  * otherwise maximum packet size (up to 65520 bytes).
@@ -106,9 +108,7 @@ static int do_rev_list(int fd, void *create_full_pack)
        int i;
        struct rev_info revs;
 
-       pack_pipe = fdopen(fd, "w");
-       if (create_full_pack)
-               use_thin_pack = 0; /* no point doing it */
+       pack_pipe = xfdopen(fd, "w");
        init_revisions(&revs, NULL);
        revs.tag_objects = 1;
        revs.tree_objects = 1;
@@ -136,6 +136,10 @@ static int do_rev_list(int fd, void *create_full_pack)
        if (prepare_revision_walk(&revs))
                die("revision walk setup failed");
        mark_edges_uninteresting(revs.commits, &revs, show_edge);
+       if (use_thin_pack)
+               for (i = 0; i < extra_edge_obj.nr; i++)
+                       fprintf(pack_pipe, "-%s\n", sha1_to_hex(
+                                       extra_edge_obj.objects[i].item->sha1));
        traverse_commit_list(&revs, show_commit, show_object, NULL);
        fflush(pack_pipe);
        fclose(pack_pipe);
@@ -155,13 +159,21 @@ static void create_pack_file(void)
        const char *argv[10];
        int arg = 0;
 
-       rev_list.proc = do_rev_list;
-       /* .data is just a boolean: any non-NULL value will do */
-       rev_list.data = create_full_pack ? &rev_list : NULL;
-       if (start_async(&rev_list))
-               die("git upload-pack: unable to fork git-rev-list");
+       if (shallow_nr) {
+               rev_list.proc = do_rev_list;
+               rev_list.data = 0;
+               if (start_async(&rev_list))
+                       die("git upload-pack: unable to fork git-rev-list");
+               argv[arg++] = "pack-objects";
+       } else {
+               argv[arg++] = "pack-objects";
+               argv[arg++] = "--revs";
+               if (create_full_pack)
+                       argv[arg++] = "--all";
+               else if (use_thin_pack)
+                       argv[arg++] = "--thin";
+       }
 
-       argv[arg++] = "pack-objects";
        argv[arg++] = "--stdout";
        if (!no_progress)
                argv[arg++] = "--progress";
@@ -172,7 +184,7 @@ static void create_pack_file(void)
        argv[arg++] = NULL;
 
        memset(&pack_objects, 0, sizeof(pack_objects));
-       pack_objects.in = rev_list.out; /* start_command closes it */
+       pack_objects.in = shallow_nr ? rev_list.out : -1;
        pack_objects.out = -1;
        pack_objects.err = -1;
        pack_objects.git_cmd = 1;
@@ -181,6 +193,24 @@ static void create_pack_file(void)
        if (start_command(&pack_objects))
                die("git upload-pack: unable to fork git-pack-objects");
 
+       /* pass on revisions we (don't) want */
+       if (!shallow_nr) {
+               FILE *pipe_fd = xfdopen(pack_objects.in, "w");
+               if (!create_full_pack) {
+                       int i;
+                       for (i = 0; i < want_obj.nr; i++)
+                               fprintf(pipe_fd, "%s\n", sha1_to_hex(want_obj.objects[i].item->sha1));
+                       fprintf(pipe_fd, "--not\n");
+                       for (i = 0; i < have_obj.nr; i++)
+                               fprintf(pipe_fd, "%s\n", sha1_to_hex(have_obj.objects[i].item->sha1));
+               }
+
+               fprintf(pipe_fd, "\n");
+               fflush(pipe_fd);
+               fclose(pipe_fd);
+       }
+
+
        /* We read from pack_objects.err to capture stderr output for
         * progress bar, and pack_objects.out to capture the pack data.
         */
@@ -218,6 +248,23 @@ static void create_pack_file(void)
                        }
                        continue;
                }
+               if (0 <= pe && (pfd[pe].revents & (POLLIN|POLLHUP))) {
+                       /* Status ready; we ship that in the side-band
+                        * or dump to the standard error.
+                        */
+                       sz = xread(pack_objects.err, progress,
+                                 sizeof(progress));
+                       if (0 < sz)
+                               send_client_data(2, progress, sz);
+                       else if (sz == 0) {
+                               close(pack_objects.err);
+                               pack_objects.err = -1;
+                       }
+                       else
+                               goto fail;
+                       /* give priority to status messages */
+                       continue;
+               }
                if (0 <= pu && (pfd[pu].revents & (POLLIN|POLLHUP))) {
                        /* Data ready; we keep the last byte to ourselves
                         * in case we detect broken rev-list, so that we
@@ -237,7 +284,7 @@ static void create_pack_file(void)
                        sz = xread(pack_objects.out, cp,
                                  sizeof(data) - outsz);
                        if (0 < sz)
-                                       ;
+                               ;
                        else if (sz == 0) {
                                close(pack_objects.out);
                                pack_objects.out = -1;
@@ -255,28 +302,13 @@ static void create_pack_file(void)
                        if (sz < 0)
                                goto fail;
                }
-               if (0 <= pe && (pfd[pe].revents & (POLLIN|POLLHUP))) {
-                       /* Status ready; we ship that in the side-band
-                        * or dump to the standard error.
-                        */
-                       sz = xread(pack_objects.err, progress,
-                                 sizeof(progress));
-                       if (0 < sz)
-                               send_client_data(2, progress, sz);
-                       else if (sz == 0) {
-                               close(pack_objects.err);
-                               pack_objects.err = -1;
-                       }
-                       else
-                               goto fail;
-               }
        }
 
        if (finish_command(&pack_objects)) {
                error("git upload-pack: git-pack-objects died with error.");
                goto fail;
        }
-       if (finish_async(&rev_list))
+       if (shallow_nr && finish_async(&rev_list))
                goto fail;      /* error was already reported */
 
        /* flush the data */
@@ -402,7 +434,7 @@ static int get_common_commits(void)
 
        save_commit_buffer = 0;
 
-       for(;;) {
+       for (;;) {
                int len = packet_read_line(0, line, sizeof(line));
                reset_timeout();
 
@@ -451,8 +483,9 @@ static void receive_needs(void)
        static char line[1000];
        int len, depth = 0;
 
+       shallow_nr = 0;
        if (debug_fd)
-               write_in_full(debug_fd, "#S\n", 3);
+               write_str_in_full(debug_fd, "#S\n");
        for (;;) {
                struct object *o;
                unsigned char sha1_buf[20];
@@ -466,7 +499,6 @@ static void receive_needs(void)
                if (!prefixcmp(line, "shallow ")) {
                        unsigned char sha1[20];
                        struct object *object;
-                       use_thin_pack = 0;
                        if (get_sha1(line + 8, sha1))
                                die("invalid shallow line: %s", line);
                        object = parse_object(sha1);
@@ -478,7 +510,6 @@ static void receive_needs(void)
                }
                if (!prefixcmp(line, "deepen ")) {
                        char *end;
-                       use_thin_pack = 0;
                        depth = strtol(line + 7, &end, 0);
                        if (end == line + 7 || depth <= 0)
                                die("Invalid deepen: %s", line);
@@ -520,7 +551,7 @@ static void receive_needs(void)
                }
        }
        if (debug_fd)
-               write_in_full(debug_fd, "#E\n", 3);
+               write_str_in_full(debug_fd, "#E\n");
 
        if (!use_sideband && daemon_mode)
                no_progress = 1;
@@ -538,6 +569,7 @@ static void receive_needs(void)
                                packet_write(1, "shallow %s",
                                                sha1_to_hex(object->sha1));
                                register_shallow(object->sha1);
+                               shallow_nr++;
                        }
                        result = result->next;
                }
@@ -560,6 +592,7 @@ static void receive_needs(void)
                                                        NULL, &want_obj);
                                        parents = parents->next;
                                }
+                               add_object_array(object, NULL, &extra_edge_obj);
                        }
                        /* make sure commit traversal conforms to client */
                        register_shallow(object->sha1);
@@ -571,6 +604,8 @@ static void receive_needs(void)
                        for (i = 0; i < shallows.nr; i++)
                                register_shallow(shallows.objects[i].item->sha1);
                }
+
+       shallow_nr += shallows.nr;
        free(shallows.objects);
 }
 
@@ -622,6 +657,7 @@ int main(int argc, char **argv)
        int strict = 0;
 
        git_extract_argv0_path(argv[0]);
+       read_replace_refs = 0;
 
        for (i = 1; i < argc; i++) {
                char *arg = argv[i];