}
static struct {
- uint32_t action, propLength, textLength, srcRev, srcMode, mark, type;
+ uint32_t action, propLength, textLength, srcRev, type;
uint32_t src[REPO_MAX_PATH_DEPTH], dst[REPO_MAX_PATH_DEPTH];
+ uint32_t text_delta, prop_delta;
} node_ctx;
static struct {
} rev_ctx;
static struct {
- uint32_t uuid, url;
+ uint32_t version, uuid, url;
} dump_ctx;
static struct {
uint32_t svn_log, svn_author, svn_date, svn_executable, svn_special, uuid,
revision_number, node_path, node_kind, node_action,
node_copyfrom_path, node_copyfrom_rev, text_content_length,
- prop_content_length, content_length;
+ prop_content_length, content_length, svn_fs_dump_format_version,
+ /* version 3 format */
+ text_delta, prop_delta;
} keys;
static void reset_node_ctx(char *fname)
node_ctx.textLength = LENGTH_UNKNOWN;
node_ctx.src[0] = ~0;
node_ctx.srcRev = 0;
- node_ctx.srcMode = 0;
pool_tok_seq(REPO_MAX_PATH_DEPTH, node_ctx.dst, "/", fname);
- node_ctx.mark = 0;
+ node_ctx.text_delta = 0;
+ node_ctx.prop_delta = 0;
}
static void reset_rev_ctx(uint32_t revision)
static void reset_dump_ctx(uint32_t url)
{
dump_ctx.url = url;
+ dump_ctx.version = 1;
dump_ctx.uuid = ~0;
}
keys.text_content_length = pool_intern("Text-content-length");
keys.prop_content_length = pool_intern("Prop-content-length");
keys.content_length = pool_intern("Content-length");
+ keys.svn_fs_dump_format_version = pool_intern("SVN-fs-dump-format-version");
+ /* version 3 format (Subversion 1.1.0) */
+ keys.text_delta = pool_intern("Text-delta");
+ keys.prop_delta = pool_intern("Prop-delta");
}
static void read_props(void)
static void handle_node(void)
{
- if (node_ctx.propLength != LENGTH_UNKNOWN && node_ctx.propLength)
- read_props();
+ uint32_t mark = 0;
+ const uint32_t type = node_ctx.type;
+ const int have_props = node_ctx.propLength != LENGTH_UNKNOWN;
- if (node_ctx.srcRev)
- node_ctx.srcMode = repo_copy(node_ctx.srcRev, node_ctx.src, node_ctx.dst);
+ if (node_ctx.text_delta || node_ctx.prop_delta)
+ die("text and property deltas not supported");
- if (node_ctx.textLength != LENGTH_UNKNOWN &&
- node_ctx.type != REPO_MODE_DIR)
- node_ctx.mark = next_blob_mark();
+ if (node_ctx.textLength != LENGTH_UNKNOWN)
+ mark = next_blob_mark();
if (node_ctx.action == NODEACT_DELETE) {
+ if (mark || have_props || node_ctx.srcRev)
+ die("invalid dump: deletion node has "
+ "copyfrom info, text, or properties");
+ return repo_delete(node_ctx.dst);
+ }
+
+ if (node_ctx.action == NODEACT_REPLACE) {
repo_delete(node_ctx.dst);
- } else if (node_ctx.action == NODEACT_CHANGE ||
- node_ctx.action == NODEACT_REPLACE) {
- if (node_ctx.action == NODEACT_REPLACE &&
- node_ctx.type == REPO_MODE_DIR)
- repo_replace(node_ctx.dst, node_ctx.mark);
- else if (node_ctx.propLength != LENGTH_UNKNOWN)
- repo_modify(node_ctx.dst, node_ctx.type, node_ctx.mark);
- else if (node_ctx.textLength != LENGTH_UNKNOWN)
- node_ctx.srcMode = repo_replace(node_ctx.dst, node_ctx.mark);
+ node_ctx.action = NODEACT_ADD;
+ }
+
+ if (node_ctx.srcRev) {
+ repo_copy(node_ctx.srcRev, node_ctx.src, node_ctx.dst);
+ if (node_ctx.action == NODEACT_ADD)
+ node_ctx.action = NODEACT_CHANGE;
+ }
+
+ if (mark && type == REPO_MODE_DIR)
+ die("invalid dump: directories cannot have text attached");
+
+ if (node_ctx.action == NODEACT_CHANGE) {
+ uint32_t mode = repo_modify_path(node_ctx.dst, 0, mark);
+ if (!mode)
+ die("invalid dump: path to be modified is missing");
+ if (mode == REPO_MODE_DIR && type != REPO_MODE_DIR)
+ die("invalid dump: cannot modify a directory into a file");
+ if (mode != REPO_MODE_DIR && type == REPO_MODE_DIR)
+ die("invalid dump: cannot modify a file into a directory");
+ node_ctx.type = mode;
} else if (node_ctx.action == NODEACT_ADD) {
- if (node_ctx.srcRev && node_ctx.propLength != LENGTH_UNKNOWN)
- repo_modify(node_ctx.dst, node_ctx.type, node_ctx.mark);
- else if (node_ctx.srcRev && node_ctx.textLength != LENGTH_UNKNOWN)
- node_ctx.srcMode = repo_replace(node_ctx.dst, node_ctx.mark);
- else if ((node_ctx.type == REPO_MODE_DIR && !node_ctx.srcRev) ||
- node_ctx.textLength != LENGTH_UNKNOWN)
- repo_add(node_ctx.dst, node_ctx.type, node_ctx.mark);
+ if (!mark && type != REPO_MODE_DIR)
+ die("invalid dump: adds node without text");
+ repo_add(node_ctx.dst, type, mark);
+ } else {
+ die("invalid dump: Node-path block lacks Node-action");
}
- if (node_ctx.propLength == LENGTH_UNKNOWN && node_ctx.srcMode)
- node_ctx.type = node_ctx.srcMode;
+ if (have_props) {
+ const uint32_t old_mode = node_ctx.type;
+ node_ctx.type = type;
+ if (node_ctx.propLength)
+ read_props();
+ if (node_ctx.type != old_mode)
+ repo_modify_path(node_ctx.dst, node_ctx.type, mark);
+ }
- if (node_ctx.mark)
- fast_export_blob(node_ctx.type, node_ctx.mark, node_ctx.textLength);
- else if (node_ctx.textLength != LENGTH_UNKNOWN)
- buffer_skip_bytes(node_ctx.textLength);
+ if (mark)
+ fast_export_blob(node_ctx.type, mark, node_ctx.textLength);
}
static void handle_revision(void)
*val++ = '\0';
key = pool_intern(t);
- if (key == keys.uuid) {
+ if (key == keys.svn_fs_dump_format_version) {
+ dump_ctx.version = atoi(val);
+ if (dump_ctx.version > 3)
+ die("expected svn dump format version <= 3, found %d",
+ dump_ctx.version);
+ } else if (key == keys.uuid) {
dump_ctx.uuid = pool_intern(val);
} else if (key == keys.revision_number) {
if (active_ctx == NODE_CTX)
node_ctx.textLength = atoi(val);
} else if (key == keys.prop_content_length) {
node_ctx.propLength = atoi(val);
+ } else if (key == keys.text_delta) {
+ node_ctx.text_delta = !strcmp(val, "true");
+ } else if (key == keys.prop_delta) {
+ node_ctx.prop_delta = !strcmp(val, "true");
} else if (key == keys.content_length) {
len = atoi(val);
buffer_read_line();
handle_revision();
}
-void svndump_init(const char *filename)
+int svndump_init(const char *filename)
{
- buffer_init(filename);
+ if (buffer_init(filename))
+ return error("cannot open %s: %s", filename, strerror(errno));
repo_init();
reset_dump_ctx(~0);
reset_rev_ctx(0);
reset_node_ctx(NULL);
init_keys();
+ return 0;
}
void svndump_deinit(void)