#include "repo_tree.h"
#include "fast_export.h"
#include "line_buffer.h"
-#include "string_pool.h"
#include "strbuf.h"
+#include "svndump.h"
/*
* Compare start of string to literal of equal length;
#define NODE_CTX 2 /* node metadata */
#define INTERNODE_CTX 3 /* between nodes */
-#define LENGTH_UNKNOWN (~0)
#define DATE_RFC2822_LEN 31
static struct line_buffer input = LINE_BUFFER_INIT;
static struct {
- uint32_t action, propLength, textLength, srcRev, type;
- uint32_t src[REPO_MAX_PATH_DEPTH], dst[REPO_MAX_PATH_DEPTH];
+ uint32_t action, srcRev, type;
+ off_t prop_length, text_length;
+ struct strbuf src, dst;
uint32_t text_delta, prop_delta;
} node_ctx;
{
node_ctx.type = 0;
node_ctx.action = NODEACT_UNKNOWN;
- node_ctx.propLength = LENGTH_UNKNOWN;
- node_ctx.textLength = LENGTH_UNKNOWN;
- node_ctx.src[0] = ~0;
+ node_ctx.prop_length = -1;
+ node_ctx.text_length = -1;
+ strbuf_reset(&node_ctx.src);
node_ctx.srcRev = 0;
- pool_tok_seq(REPO_MAX_PATH_DEPTH, node_ctx.dst, "/", fname);
+ strbuf_reset(&node_ctx.dst);
+ if (fname)
+ strbuf_addstr(&node_ctx.dst, fname);
node_ctx.text_delta = 0;
node_ctx.prop_delta = 0;
}
int ch;
if (!type || t[1] != ' ')
- die("invalid property line: %s\n", t);
+ die("invalid property line: %s", t);
len = atoi(&t[2]);
strbuf_reset(&val);
buffer_read_binary(&input, &val, len);
strbuf_reset(&key);
continue;
default:
- die("invalid property line: %s\n", t);
+ die("invalid property line: %s", t);
}
}
}
static void handle_node(void)
{
const uint32_t type = node_ctx.type;
- const int have_props = node_ctx.propLength != LENGTH_UNKNOWN;
- const int have_text = node_ctx.textLength != LENGTH_UNKNOWN;
+ const int have_props = node_ctx.prop_length != -1;
+ const int have_text = node_ctx.text_length != -1;
/*
* Old text for this node:
* NULL - directory or bug
*/
static const char *const empty_blob = "::empty::";
const char *old_data = NULL;
-
- if (node_ctx.text_delta)
- die("text deltas not supported");
+ uint32_t old_mode = REPO_MODE_BLB;
if (node_ctx.action == NODEACT_DELETE) {
if (have_text || have_props || node_ctx.srcRev)
die("invalid dump: deletion node has "
"copyfrom info, text, or properties");
- repo_delete(node_ctx.dst);
+ repo_delete(node_ctx.dst.buf);
return;
}
if (node_ctx.action == NODEACT_REPLACE) {
- repo_delete(node_ctx.dst);
+ repo_delete(node_ctx.dst.buf);
node_ctx.action = NODEACT_ADD;
}
if (node_ctx.srcRev) {
- repo_copy(node_ctx.srcRev, node_ctx.src, node_ctx.dst);
+ repo_copy(node_ctx.srcRev, node_ctx.src.buf, node_ctx.dst.buf);
if (node_ctx.action == NODEACT_ADD)
node_ctx.action = NODEACT_CHANGE;
}
/*
* Find old content (old_data) and decide on the new mode.
*/
- if (node_ctx.action == NODEACT_CHANGE && !~*node_ctx.dst) {
+ if (node_ctx.action == NODEACT_CHANGE && !*node_ctx.dst.buf) {
if (type != REPO_MODE_DIR)
die("invalid dump: root of tree is not a regular file");
old_data = NULL;
} else if (node_ctx.action == NODEACT_CHANGE) {
uint32_t mode;
- old_data = repo_read_path(node_ctx.dst, &mode);
+ old_data = repo_read_path(node_ctx.dst.buf, &mode);
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;
+ old_mode = mode;
} else if (node_ctx.action == NODEACT_ADD) {
if (type == REPO_MODE_DIR)
old_data = NULL;
if (have_props) {
if (!node_ctx.prop_delta)
node_ctx.type = type;
- if (node_ctx.propLength)
+ if (node_ctx.prop_length)
read_props();
}
/* For the fast_export_* functions, NULL means empty. */
old_data = NULL;
if (!have_text) {
- fast_export_modify(REPO_MAX_PATH_DEPTH, node_ctx.dst,
- node_ctx.type, old_data);
+ fast_export_modify(node_ctx.dst.buf, node_ctx.type, old_data);
+ return;
+ }
+ if (!node_ctx.text_delta) {
+ fast_export_modify(node_ctx.dst.buf, node_ctx.type, "inline");
+ fast_export_data(node_ctx.type, node_ctx.text_length, &input);
return;
}
- fast_export_modify(REPO_MAX_PATH_DEPTH, node_ctx.dst,
- node_ctx.type, "inline");
- fast_export_data(node_ctx.type, node_ctx.textLength, &input);
+ fast_export_modify(node_ctx.dst.buf, node_ctx.type, "inline");
+ fast_export_blob_delta(node_ctx.type, old_mode, old_data,
+ node_ctx.text_length, &input);
}
static void begin_revision(void)
reset_rev_ctx(atoi(val));
break;
case sizeof("Node-path"):
- if (prefixcmp(t, "Node-"))
+ if (constcmp(t, "Node-"))
continue;
if (!constcmp(t + strlen("Node-"), "path")) {
if (active_ctx == NODE_CTX)
case sizeof("Node-copyfrom-path"):
if (constcmp(t, "Node-copyfrom-path"))
continue;
- pool_tok_seq(REPO_MAX_PATH_DEPTH, node_ctx.src, "/", val);
+ strbuf_reset(&node_ctx.src);
+ strbuf_addstr(&node_ctx.src, val);
break;
case sizeof("Node-copyfrom-rev"):
if (constcmp(t, "Node-copyfrom-rev"))
node_ctx.srcRev = atoi(val);
break;
case sizeof("Text-content-length"):
- if (!constcmp(t, "Text-content-length")) {
- node_ctx.textLength = atoi(val);
+ if (constcmp(t, "Text") && constcmp(t, "Prop"))
+ continue;
+ if (constcmp(t + 4, "-content-length"))
+ continue;
+ {
+ char *end;
+ uintmax_t len;
+
+ len = strtoumax(val, &end, 10);
+ if (!isdigit(*val) || *end)
+ die("invalid dump: non-numeric length %s", val);
+ if (len > maximum_signed_value_of_type(off_t))
+ die("unrepresentable length in dump: %s", val);
+
+ if (*t == 'T')
+ node_ctx.text_length = (off_t) len;
+ else
+ node_ctx.prop_length = (off_t) len;
break;
}
- if (constcmp(t, "Prop-content-length"))
- continue;
- node_ctx.propLength = atoi(val);
- break;
case sizeof("Text-delta"):
if (!constcmp(t, "Text-delta")) {
node_ctx.text_delta = !strcmp(val, "true");
strbuf_init(&dump_ctx.url, 4096);
strbuf_init(&rev_ctx.log, 4096);
strbuf_init(&rev_ctx.author, 4096);
+ strbuf_init(&node_ctx.src, 4096);
+ strbuf_init(&node_ctx.dst, 4096);
reset_dump_ctx(NULL);
reset_rev_ctx(0);
reset_node_ctx(NULL);
reset_rev_ctx(0);
reset_node_ctx(NULL);
strbuf_release(&rev_ctx.log);
+ strbuf_release(&node_ctx.src);
+ strbuf_release(&node_ctx.dst);
if (buffer_deinit(&input))
fprintf(stderr, "Input error\n");
if (ferror(stdout))
void svndump_reset(void)
{
- fast_export_reset();
- buffer_reset(&input);
strbuf_release(&dump_ctx.uuid);
strbuf_release(&dump_ctx.url);
strbuf_release(&rev_ctx.log);