static void deepen(int depth, int deepen_relative, struct object_array *shallows) { if (depth == INFINITE_DEPTH && !is_repository_shallow(the_repository)) { int i; for (i = 0; i < shallows->nr; i++) { struct object *object = shallows->objects[i].item; object->flags |= NOT_SHALLOW; } } else if (deepen_relative) { struct object_array reachable_shallows = OBJECT_ARRAY_INIT; struct commit_list *result; get_reachable_list(shallows, &reachable_shallows); result = get_shallow_commits(&reachable_shallows, depth + 1, SHALLOW, NOT_SHALLOW); send_shallow(result); free_commit_list(result); object_array_clear(&reachable_shallows); } else { struct commit_list *result; result = get_shallow_commits(&want_obj, depth, SHALLOW, NOT_SHALLOW); send_shallow(result); free_commit_list(result); } send_unshallow(shallows); }
static void receive_needs(void) { struct object_array shallows = OBJECT_ARRAY_INIT; int depth = 0; int has_non_tip = 0; shallow_nr = 0; for (;;) { struct object *o; const char *features; unsigned char sha1_buf[20]; char *line = packet_read_line(0, NULL); reset_timeout(); if (!line) break; if (starts_with(line, "shallow ")) { unsigned char sha1[20]; struct object *object; if (get_sha1_hex(line + 8, sha1)) die("invalid shallow line: %s", line); object = parse_object(sha1); if (!object) continue; if (object->type != OBJ_COMMIT) die("invalid shallow object %s", sha1_to_hex(sha1)); if (!(object->flags & CLIENT_SHALLOW)) { object->flags |= CLIENT_SHALLOW; add_object_array(object, NULL, &shallows); } continue; } if (starts_with(line, "deepen ")) { char *end; depth = strtol(line + 7, &end, 0); if (end == line + 7 || depth <= 0) die("Invalid deepen: %s", line); continue; } if (!starts_with(line, "want ") || get_sha1_hex(line+5, sha1_buf)) die("git upload-pack: protocol error, " "expected to get sha, not '%s'", line); features = line + 45; if (parse_feature_request(features, "multi_ack_detailed")) multi_ack = 2; else if (parse_feature_request(features, "multi_ack")) multi_ack = 1; if (parse_feature_request(features, "no-done")) no_done = 1; if (parse_feature_request(features, "thin-pack")) use_thin_pack = 1; if (parse_feature_request(features, "ofs-delta")) use_ofs_delta = 1; if (parse_feature_request(features, "side-band-64k")) use_sideband = LARGE_PACKET_MAX; else if (parse_feature_request(features, "side-band")) use_sideband = DEFAULT_PACKET_MAX; if (parse_feature_request(features, "no-progress")) no_progress = 1; if (parse_feature_request(features, "include-tag")) use_include_tag = 1; o = parse_object(sha1_buf); if (!o) die("git upload-pack: not our ref %s", sha1_to_hex(sha1_buf)); if (!(o->flags & WANTED)) { o->flags |= WANTED; if (!is_our_ref(o)) has_non_tip = 1; add_object_array(o, NULL, &want_obj); } } /* * We have sent all our refs already, and the other end * should have chosen out of them. When we are operating * in the stateless RPC mode, however, their choice may * have been based on the set of older refs advertised * by another process that handled the initial request. */ if (has_non_tip) check_non_tip(); if (!use_sideband && daemon_mode) no_progress = 1; if (depth == 0 && shallows.nr == 0) return; if (depth > 0) { struct commit_list *result = NULL, *backup = NULL; int i; if (depth == INFINITE_DEPTH && !is_repository_shallow()) for (i = 0; i < shallows.nr; i++) { struct object *object = shallows.objects[i].item; object->flags |= NOT_SHALLOW; } else backup = result = get_shallow_commits(&want_obj, depth, SHALLOW, NOT_SHALLOW); while (result) { struct object *object = &result->item->object; if (!(object->flags & (CLIENT_SHALLOW|NOT_SHALLOW))) { packet_write(1, "shallow %s", sha1_to_hex(object->sha1)); register_shallow(object->sha1); shallow_nr++; } result = result->next; } free_commit_list(backup); for (i = 0; i < shallows.nr; i++) { struct object *object = shallows.objects[i].item; if (object->flags & NOT_SHALLOW) { struct commit_list *parents; packet_write(1, "unshallow %s", sha1_to_hex(object->sha1)); object->flags &= ~CLIENT_SHALLOW; /* make sure the real parents are parsed */ unregister_shallow(object->sha1); object->parsed = 0; parse_commit_or_die((struct commit *)object); parents = ((struct commit *)object)->parents; while (parents) { add_object_array(&parents->item->object, 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); } packet_flush(1); } else if (shallows.nr > 0) { int i; for (i = 0; i < shallows.nr; i++) register_shallow(shallows.objects[i].item->sha1); } shallow_nr += shallows.nr; free(shallows.objects); }
static void receive_needs(void) { struct object_array shallows = {0, 0, NULL}; static char line[1000]; int len, depth = 0; if (debug_fd) write_in_full(debug_fd, "#S\n", 3); for (;;) { struct object *o; unsigned char sha1_buf[20]; len = packet_read_line(0, line, sizeof(line)); reset_timeout(); if (!len) break; if (debug_fd) write_in_full(debug_fd, line, len); 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); if (!object) die("did not find object for %s", line); object->flags |= CLIENT_SHALLOW; add_object_array(object, NULL, &shallows); continue; } 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); continue; } if (prefixcmp(line, "want ") || get_sha1_hex(line+5, sha1_buf)) die("git upload-pack: protocol error, " "expected to get sha, not '%s'", line); if (strstr(line+45, "multi_ack")) multi_ack = 1; if (strstr(line+45, "thin-pack")) use_thin_pack = 1; if (strstr(line+45, "ofs-delta")) use_ofs_delta = 1; if (strstr(line+45, "side-band-64k")) use_sideband = LARGE_PACKET_MAX; else if (strstr(line+45, "side-band")) use_sideband = DEFAULT_PACKET_MAX; if (strstr(line+45, "no-progress")) no_progress = 1; if (strstr(line+45, "include-tag")) use_include_tag = 1; /* We have sent all our refs already, and the other end * should have chosen out of them; otherwise they are * asking for nonsense. * * Hmph. We may later want to allow "want" line that * asks for something like "master~10" (symbolic)... * would it make sense? I don't know. */ o = lookup_object(sha1_buf); if (!o || !(o->flags & OUR_REF)) die("git upload-pack: not our ref %s", line+5); if (!(o->flags & WANTED)) { o->flags |= WANTED; add_object_array(o, NULL, &want_obj); } } if (debug_fd) write_in_full(debug_fd, "#E\n", 3); if (!use_sideband && daemon_mode) no_progress = 1; if (depth == 0 && shallows.nr == 0) return; if (depth > 0) { struct commit_list *result, *backup; int i; backup = result = get_shallow_commits(&want_obj, depth, SHALLOW, NOT_SHALLOW); while (result) { struct object *object = &result->item->object; if (!(object->flags & (CLIENT_SHALLOW|NOT_SHALLOW))) { packet_write(1, "shallow %s", sha1_to_hex(object->sha1)); register_shallow(object->sha1); } result = result->next; } free_commit_list(backup); for (i = 0; i < shallows.nr; i++) { struct object *object = shallows.objects[i].item; if (object->flags & NOT_SHALLOW) { struct commit_list *parents; packet_write(1, "unshallow %s", sha1_to_hex(object->sha1)); object->flags &= ~CLIENT_SHALLOW; /* make sure the real parents are parsed */ unregister_shallow(object->sha1); object->parsed = 0; if (parse_commit((struct commit *)object)) die("invalid commit"); parents = ((struct commit *)object)->parents; while (parents) { add_object_array(&parents->item->object, NULL, &want_obj); parents = parents->next; } } /* make sure commit traversal conforms to client */ register_shallow(object->sha1); } packet_flush(1); } else if (shallows.nr > 0) { int i; for (i = 0; i < shallows.nr; i++) register_shallow(shallows.objects[i].item->sha1); } free(shallows.objects); }