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authorJunio C Hamano <gitster@pobox.com>2011-03-23 03:51:07 (GMT)
committerJunio C Hamano <gitster@pobox.com>2011-03-23 03:51:07 (GMT)
commit785d6989dac6a61eabdc06c781ee0f47d10f36c0 (patch)
tree1a0f9d8a139d554d78955061dacf0355d224cb80 /vcs-svn
parent1ea9f9d6c28caf886747ca256e9d39d24f03d229 (diff)
parent41b9dd9d4f2f32f8450af59c30f3a7a2fc5a8cc7 (diff)
downloadgit-785d6989dac6a61eabdc06c781ee0f47d10f36c0.zip
git-785d6989dac6a61eabdc06c781ee0f47d10f36c0.tar.gz
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Merge branch 'svn-fe' of git://repo.or.cz/git/jrn
* 'svn-fe' of git://repo.or.cz/git/jrn: vcs-svn: use strchr to find RFC822 delimiter vcs-svn: implement perfect hash for top-level keys vcs-svn: implement perfect hash for node-prop keys vcs-svn: use strbuf for author, UUID, and URL vcs-svn: use strbuf for revision log vcs-svn: improve reporting of input errors vcs-svn: make buffer_copy_bytes return length read vcs-svn: make buffer_skip_bytes return length read vcs-svn: improve support for reading large files vcs-svn: allow input errors to be detected promptly vcs-svn: simplify repo_modify_path and repo_copy vcs-svn: handle_node: use repo_read_path vcs-svn: introduce repo_read_path to check the content at a path
Diffstat (limited to 'vcs-svn')
-rw-r--r--vcs-svn/fast_export.c27
-rw-r--r--vcs-svn/fast_export.h5
-rw-r--r--vcs-svn/line_buffer.c36
-rw-r--r--vcs-svn/line_buffer.h6
-rw-r--r--vcs-svn/line_buffer.txt3
-rw-r--r--vcs-svn/repo_tree.c43
-rw-r--r--vcs-svn/repo_tree.h10
-rw-r--r--vcs-svn/svndump.c307
8 files changed, 265 insertions, 172 deletions
diff --git a/vcs-svn/fast_export.c b/vcs-svn/fast_export.c
index 260cf50..a4d4d99 100644
--- a/vcs-svn/fast_export.c
+++ b/vcs-svn/fast_export.c
@@ -31,24 +31,24 @@ void fast_export_modify(uint32_t depth, uint32_t *path, uint32_t mode,
}
static char gitsvnline[MAX_GITSVN_LINE_LEN];
-void fast_export_commit(uint32_t revision, uint32_t author, char *log,
- uint32_t uuid, uint32_t url,
+void fast_export_commit(uint32_t revision, const char *author, char *log,
+ const char *uuid, const char *url,
unsigned long timestamp)
{
if (!log)
log = "";
- if (~uuid && ~url) {
+ if (*uuid && *url) {
snprintf(gitsvnline, MAX_GITSVN_LINE_LEN,
"\n\ngit-svn-id: %s@%"PRIu32" %s\n",
- pool_fetch(url), revision, pool_fetch(uuid));
+ url, revision, uuid);
} else {
*gitsvnline = '\0';
}
printf("commit refs/heads/master\n");
printf("committer %s <%s@%s> %ld +0000\n",
- ~author ? pool_fetch(author) : "nobody",
- ~author ? pool_fetch(author) : "nobody",
- ~uuid ? pool_fetch(uuid) : "local", timestamp);
+ *author ? author : "nobody",
+ *author ? author : "nobody",
+ *uuid ? uuid : "local", timestamp);
printf("data %"PRIu32"\n%s%s\n",
(uint32_t) (strlen(log) + strlen(gitsvnline)),
log, gitsvnline);
@@ -63,14 +63,23 @@ void fast_export_commit(uint32_t revision, uint32_t author, char *log,
printf("progress Imported commit %"PRIu32".\n\n", revision);
}
+static void die_short_read(struct line_buffer *input)
+{
+ if (buffer_ferror(input))
+ die_errno("error reading dump file");
+ die("invalid dump: unexpected end of file");
+}
+
void fast_export_blob(uint32_t mode, uint32_t mark, uint32_t len, struct line_buffer *input)
{
if (mode == REPO_MODE_LNK) {
/* svn symlink blobs start with "link " */
- buffer_skip_bytes(input, 5);
len -= 5;
+ if (buffer_skip_bytes(input, 5) != 5)
+ die_short_read(input);
}
printf("blob\nmark :%"PRIu32"\ndata %"PRIu32"\n", mark, len);
- buffer_copy_bytes(input, len);
+ if (buffer_copy_bytes(input, len) != len)
+ die_short_read(input);
fputc('\n', stdout);
}
diff --git a/vcs-svn/fast_export.h b/vcs-svn/fast_export.h
index 054e7d5..05cf97f 100644
--- a/vcs-svn/fast_export.h
+++ b/vcs-svn/fast_export.h
@@ -6,8 +6,9 @@
void fast_export_delete(uint32_t depth, uint32_t *path);
void fast_export_modify(uint32_t depth, uint32_t *path, uint32_t mode,
uint32_t mark);
-void fast_export_commit(uint32_t revision, uint32_t author, char *log,
- uint32_t uuid, uint32_t url, unsigned long timestamp);
+void fast_export_commit(uint32_t revision, const char *author, char *log,
+ const char *uuid, const char *url,
+ unsigned long timestamp);
void fast_export_blob(uint32_t mode, uint32_t mark, uint32_t len,
struct line_buffer *input);
diff --git a/vcs-svn/line_buffer.c b/vcs-svn/line_buffer.c
index aedf105..33e733a 100644
--- a/vcs-svn/line_buffer.c
+++ b/vcs-svn/line_buffer.c
@@ -59,6 +59,11 @@ long buffer_tmpfile_prepare_to_read(struct line_buffer *buf)
return pos;
}
+int buffer_ferror(struct line_buffer *buf)
+{
+ return ferror(buf->infile);
+}
+
int buffer_read_char(struct line_buffer *buf)
{
return fgetc(buf->infile);
@@ -99,31 +104,32 @@ void buffer_read_binary(struct line_buffer *buf,
strbuf_fread(sb, size, buf->infile);
}
-void buffer_copy_bytes(struct line_buffer *buf, uint32_t len)
+off_t buffer_copy_bytes(struct line_buffer *buf, off_t nbytes)
{
char byte_buffer[COPY_BUFFER_LEN];
- uint32_t in;
- while (len > 0 && !feof(buf->infile) && !ferror(buf->infile)) {
- in = len < COPY_BUFFER_LEN ? len : COPY_BUFFER_LEN;
+ off_t done = 0;
+ while (done < nbytes && !feof(buf->infile) && !ferror(buf->infile)) {
+ off_t len = nbytes - done;
+ size_t in = len < COPY_BUFFER_LEN ? len : COPY_BUFFER_LEN;
in = fread(byte_buffer, 1, in, buf->infile);
- len -= in;
+ done += in;
fwrite(byte_buffer, 1, in, stdout);
- if (ferror(stdout)) {
- buffer_skip_bytes(buf, len);
- return;
- }
+ if (ferror(stdout))
+ return done + buffer_skip_bytes(buf, nbytes - done);
}
+ return done;
}
-void buffer_skip_bytes(struct line_buffer *buf, uint32_t len)
+off_t buffer_skip_bytes(struct line_buffer *buf, off_t nbytes)
{
char byte_buffer[COPY_BUFFER_LEN];
- uint32_t in;
- while (len > 0 && !feof(buf->infile) && !ferror(buf->infile)) {
- in = len < COPY_BUFFER_LEN ? len : COPY_BUFFER_LEN;
- in = fread(byte_buffer, 1, in, buf->infile);
- len -= in;
+ off_t done = 0;
+ while (done < nbytes && !feof(buf->infile) && !ferror(buf->infile)) {
+ off_t len = nbytes - done;
+ size_t in = len < COPY_BUFFER_LEN ? len : COPY_BUFFER_LEN;
+ done += fread(byte_buffer, 1, in, buf->infile);
}
+ return done;
}
void buffer_reset(struct line_buffer *buf)
diff --git a/vcs-svn/line_buffer.h b/vcs-svn/line_buffer.h
index 96ce966..f5c468a 100644
--- a/vcs-svn/line_buffer.h
+++ b/vcs-svn/line_buffer.h
@@ -21,11 +21,13 @@ int buffer_tmpfile_init(struct line_buffer *buf);
FILE *buffer_tmpfile_rewind(struct line_buffer *buf); /* prepare to write. */
long buffer_tmpfile_prepare_to_read(struct line_buffer *buf);
+int buffer_ferror(struct line_buffer *buf);
char *buffer_read_line(struct line_buffer *buf);
char *buffer_read_string(struct line_buffer *buf, uint32_t len);
int buffer_read_char(struct line_buffer *buf);
void buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, uint32_t len);
-void buffer_copy_bytes(struct line_buffer *buf, uint32_t len);
-void buffer_skip_bytes(struct line_buffer *buf, uint32_t len);
+/* Returns number of bytes read (not necessarily written). */
+off_t buffer_copy_bytes(struct line_buffer *buf, off_t len);
+off_t buffer_skip_bytes(struct line_buffer *buf, off_t len);
#endif
diff --git a/vcs-svn/line_buffer.txt b/vcs-svn/line_buffer.txt
index e89cc41..4ef0755 100644
--- a/vcs-svn/line_buffer.txt
+++ b/vcs-svn/line_buffer.txt
@@ -76,7 +76,8 @@ Functions
`buffer_skip_bytes`::
Discards `len` bytes from the input stream (stopping early
- if necessary because of an error or eof).
+ if necessary because of an error or eof). Return value is
+ the number of bytes successfully read.
`buffer_reset`::
Deallocates non-static buffers.
diff --git a/vcs-svn/repo_tree.c b/vcs-svn/repo_tree.c
index 207ffc3..632dbd8 100644
--- a/vcs-svn/repo_tree.c
+++ b/vcs-svn/repo_tree.c
@@ -87,7 +87,8 @@ static struct repo_dir *repo_clone_dir(struct repo_dir *orig_dir)
return dir_pointer(new_o);
}
-static struct repo_dirent *repo_read_dirent(uint32_t revision, uint32_t *path)
+static struct repo_dirent *repo_read_dirent(uint32_t revision,
+ const uint32_t *path)
{
uint32_t name = 0;
struct repo_dirent *key = dent_pointer(dent_alloc(1));
@@ -105,7 +106,7 @@ static struct repo_dirent *repo_read_dirent(uint32_t revision, uint32_t *path)
return dent;
}
-static void repo_write_dirent(uint32_t *path, uint32_t mode,
+static void repo_write_dirent(const uint32_t *path, uint32_t mode,
uint32_t content_offset, uint32_t del)
{
uint32_t name, revision, dir_o = ~0, parent_dir_o = ~0;
@@ -157,7 +158,24 @@ static void repo_write_dirent(uint32_t *path, uint32_t mode,
dent_remove(&dir_pointer(parent_dir_o)->entries, dent);
}
-uint32_t repo_copy(uint32_t revision, uint32_t *src, uint32_t *dst)
+uint32_t repo_read_path(const uint32_t *path)
+{
+ uint32_t content_offset = 0;
+ struct repo_dirent *dent = repo_read_dirent(active_commit, path);
+ if (dent != NULL)
+ content_offset = dent->content_offset;
+ return content_offset;
+}
+
+uint32_t repo_read_mode(const uint32_t *path)
+{
+ struct repo_dirent *dent = repo_read_dirent(active_commit, path);
+ if (dent == NULL)
+ die("invalid dump: path to be modified is missing");
+ return dent->mode;
+}
+
+void repo_copy(uint32_t revision, const uint32_t *src, const uint32_t *dst)
{
uint32_t mode = 0, content_offset = 0;
struct repo_dirent *src_dent;
@@ -167,7 +185,6 @@ uint32_t repo_copy(uint32_t revision, uint32_t *src, uint32_t *dst)
content_offset = src_dent->content_offset;
repo_write_dirent(dst, mode, content_offset, 0);
}
- return mode;
}
void repo_add(uint32_t *path, uint32_t mode, uint32_t blob_mark)
@@ -175,20 +192,6 @@ void repo_add(uint32_t *path, uint32_t mode, uint32_t blob_mark)
repo_write_dirent(path, mode, blob_mark, 0);
}
-uint32_t repo_modify_path(uint32_t *path, uint32_t mode, uint32_t blob_mark)
-{
- struct repo_dirent *src_dent;
- src_dent = repo_read_dirent(active_commit, path);
- if (!src_dent)
- return 0;
- if (!blob_mark)
- blob_mark = src_dent->content_offset;
- if (!mode)
- mode = src_dent->mode;
- repo_write_dirent(path, mode, blob_mark, 0);
- return mode;
-}
-
void repo_delete(uint32_t *path)
{
repo_write_dirent(path, 0, 0, 1);
@@ -275,8 +278,8 @@ void repo_diff(uint32_t r1, uint32_t r2)
repo_commit_root_dir(commit_pointer(r2)));
}
-void repo_commit(uint32_t revision, uint32_t author, char *log, uint32_t uuid,
- uint32_t url, unsigned long timestamp)
+void repo_commit(uint32_t revision, const char *author, char *log,
+ const char *uuid, const char *url, unsigned long timestamp)
{
fast_export_commit(revision, author, log, uuid, url, timestamp);
dent_commit();
diff --git a/vcs-svn/repo_tree.h b/vcs-svn/repo_tree.h
index 68baeb5..a1b0e87 100644
--- a/vcs-svn/repo_tree.h
+++ b/vcs-svn/repo_tree.h
@@ -12,12 +12,14 @@
#define REPO_MAX_PATH_DEPTH 1000
uint32_t next_blob_mark(void);
-uint32_t repo_copy(uint32_t revision, uint32_t *src, uint32_t *dst);
+void repo_copy(uint32_t revision, const uint32_t *src, const uint32_t *dst);
void repo_add(uint32_t *path, uint32_t mode, uint32_t blob_mark);
-uint32_t repo_modify_path(uint32_t *path, uint32_t mode, uint32_t blob_mark);
+uint32_t repo_read_path(const uint32_t *path);
+uint32_t repo_read_mode(const uint32_t *path);
void repo_delete(uint32_t *path);
-void repo_commit(uint32_t revision, uint32_t author, char *log, uint32_t uuid,
- uint32_t url, long unsigned timestamp);
+void repo_commit(uint32_t revision, const char *author,
+ char *log, const char *uuid, const char *url,
+ long unsigned timestamp);
void repo_diff(uint32_t r1, uint32_t r2);
void repo_init(void);
void repo_reset(void);
diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c
index ee7c0bb..ea5b128 100644
--- a/vcs-svn/svndump.c
+++ b/vcs-svn/svndump.c
@@ -11,8 +11,14 @@
#include "repo_tree.h"
#include "fast_export.h"
#include "line_buffer.h"
-#include "obj_pool.h"
#include "string_pool.h"
+#include "strbuf.h"
+
+/*
+ * Compare start of string to literal of equal length;
+ * must be guarded by length test.
+ */
+#define constcmp(s, ref) memcmp(s, ref, sizeof(ref) - 1)
#define NODEACT_REPLACE 4
#define NODEACT_DELETE 3
@@ -27,20 +33,8 @@
#define LENGTH_UNKNOWN (~0)
#define DATE_RFC2822_LEN 31
-/* Create memory pool for log messages */
-obj_pool_gen(log, char, 4096)
-
static struct line_buffer input = LINE_BUFFER_INIT;
-static char *log_copy(uint32_t length, const char *log)
-{
- char *buffer;
- log_free(log_pool.size);
- buffer = log_pointer(log_alloc(length));
- strncpy(buffer, log, length);
- return buffer;
-}
-
static struct {
uint32_t action, propLength, textLength, srcRev, type;
uint32_t src[REPO_MAX_PATH_DEPTH], dst[REPO_MAX_PATH_DEPTH];
@@ -48,24 +42,16 @@ static struct {
} node_ctx;
static struct {
- uint32_t revision, author;
+ uint32_t revision;
unsigned long timestamp;
- char *log;
+ struct strbuf log, author;
} rev_ctx;
static struct {
- uint32_t version, uuid, url;
+ uint32_t version;
+ struct strbuf 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, svn_fs_dump_format_version,
- /* version 3 format */
- text_delta, prop_delta;
-} keys;
-
static void reset_node_ctx(char *fname)
{
node_ctx.type = 0;
@@ -83,56 +69,58 @@ static void reset_rev_ctx(uint32_t revision)
{
rev_ctx.revision = revision;
rev_ctx.timestamp = 0;
- rev_ctx.log = NULL;
- rev_ctx.author = ~0;
+ strbuf_reset(&rev_ctx.log);
+ strbuf_reset(&rev_ctx.author);
}
-static void reset_dump_ctx(uint32_t url)
+static void reset_dump_ctx(const char *url)
{
- dump_ctx.url = url;
+ strbuf_reset(&dump_ctx.url);
+ if (url)
+ strbuf_addstr(&dump_ctx.url, url);
dump_ctx.version = 1;
- dump_ctx.uuid = ~0;
+ strbuf_reset(&dump_ctx.uuid);
}
-static void init_keys(void)
-{
- keys.svn_log = pool_intern("svn:log");
- keys.svn_author = pool_intern("svn:author");
- keys.svn_date = pool_intern("svn:date");
- keys.svn_executable = pool_intern("svn:executable");
- keys.svn_special = pool_intern("svn:special");
- keys.uuid = pool_intern("UUID");
- keys.revision_number = pool_intern("Revision-number");
- keys.node_path = pool_intern("Node-path");
- keys.node_kind = pool_intern("Node-kind");
- keys.node_action = pool_intern("Node-action");
- keys.node_copyfrom_path = pool_intern("Node-copyfrom-path");
- keys.node_copyfrom_rev = pool_intern("Node-copyfrom-rev");
- 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 handle_property(uint32_t key, const char *val, uint32_t len,
+static void handle_property(const struct strbuf *key_buf,
+ const char *val, uint32_t len,
uint32_t *type_set)
{
- if (key == keys.svn_log) {
+ const char *key = key_buf->buf;
+ size_t keylen = key_buf->len;
+
+ switch (keylen + 1) {
+ case sizeof("svn:log"):
+ if (constcmp(key, "svn:log"))
+ break;
if (!val)
die("invalid dump: unsets svn:log");
- /* Value length excludes terminating nul. */
- rev_ctx.log = log_copy(len + 1, val);
- } else if (key == keys.svn_author) {
- rev_ctx.author = pool_intern(val);
- } else if (key == keys.svn_date) {
+ strbuf_reset(&rev_ctx.log);
+ strbuf_add(&rev_ctx.log, val, len);
+ break;
+ case sizeof("svn:author"):
+ if (constcmp(key, "svn:author"))
+ break;
+ strbuf_reset(&rev_ctx.author);
+ if (val)
+ strbuf_add(&rev_ctx.author, val, len);
+ break;
+ case sizeof("svn:date"):
+ if (constcmp(key, "svn:date"))
+ break;
if (!val)
die("invalid dump: unsets svn:date");
if (parse_date_basic(val, &rev_ctx.timestamp, NULL))
warning("invalid timestamp: %s", val);
- } else if (key == keys.svn_executable || key == keys.svn_special) {
+ break;
+ case sizeof("svn:executable"):
+ case sizeof("svn:special"):
+ if (keylen == strlen("svn:executable") &&
+ constcmp(key, "svn:executable"))
+ break;
+ if (keylen == strlen("svn:special") &&
+ constcmp(key, "svn:special"))
+ break;
if (*type_set) {
if (!val)
return;
@@ -143,15 +131,22 @@ static void handle_property(uint32_t key, const char *val, uint32_t len,
return;
}
*type_set = 1;
- node_ctx.type = key == keys.svn_executable ?
+ node_ctx.type = keylen == strlen("svn:executable") ?
REPO_MODE_EXE :
REPO_MODE_LNK;
}
}
+static void die_short_read(void)
+{
+ if (buffer_ferror(&input))
+ die_errno("error reading dump file");
+ die("invalid dump: unexpected end of file");
+}
+
static void read_props(void)
{
- uint32_t key = ~0;
+ static struct strbuf key = STRBUF_INIT;
const char *t;
/*
* NEEDSWORK: to support simple mode changes like
@@ -170,25 +165,37 @@ static void read_props(void)
uint32_t len;
const char *val;
const char type = t[0];
+ int ch;
if (!type || t[1] != ' ')
die("invalid property line: %s\n", t);
len = atoi(&t[2]);
val = buffer_read_string(&input, len);
- buffer_skip_bytes(&input, 1); /* Discard trailing newline. */
+ if (!val || strlen(val) != len)
+ die_short_read();
+
+ /* Discard trailing newline. */
+ ch = buffer_read_char(&input);
+ if (ch == EOF)
+ die_short_read();
+ if (ch != '\n')
+ die("invalid dump: expected newline after %s", val);
switch (type) {
case 'K':
- key = pool_intern(val);
- continue;
case 'D':
- key = pool_intern(val);
+ strbuf_reset(&key);
+ if (val)
+ strbuf_add(&key, val, len);
+ if (type == 'K')
+ continue;
+ assert(type == 'D');
val = NULL;
len = 0;
/* fall through */
case 'V':
- handle_property(key, val, len, &type_set);
- key = ~0;
+ handle_property(&key, val, len, &type_set);
+ strbuf_reset(&key);
continue;
default:
die("invalid property line: %s\n", t);
@@ -201,13 +208,14 @@ static void handle_node(void)
uint32_t mark = 0;
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;
if (node_ctx.text_delta)
die("text deltas not supported");
- if (node_ctx.textLength != LENGTH_UNKNOWN)
+ if (have_text)
mark = next_blob_mark();
if (node_ctx.action == NODEACT_DELETE) {
- if (mark || have_props || node_ctx.srcRev)
+ if (have_text || have_props || node_ctx.srcRev)
die("invalid dump: deletion node has "
"copyfrom info, text, or properties");
return repo_delete(node_ctx.dst);
@@ -221,37 +229,47 @@ static void handle_node(void)
if (node_ctx.action == NODEACT_ADD)
node_ctx.action = NODEACT_CHANGE;
}
- if (mark && type == REPO_MODE_DIR)
+ if (have_text && type == REPO_MODE_DIR)
die("invalid dump: directories cannot have text attached");
+
+ /*
+ * Decide on the new content (mark) and mode (node_ctx.type).
+ */
if (node_ctx.action == NODEACT_CHANGE && !~*node_ctx.dst) {
if (type != REPO_MODE_DIR)
die("invalid dump: root of tree is not a regular file");
} else 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");
+ uint32_t mode;
+ if (!have_text)
+ mark = repo_read_path(node_ctx.dst);
+ mode = repo_read_mode(node_ctx.dst);
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 (!mark && type != REPO_MODE_DIR)
+ if (!have_text && 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");
}
+
+ /*
+ * Adjust mode to reflect properties.
+ */
if (have_props) {
- const uint32_t old_mode = node_ctx.type;
if (!node_ctx.prop_delta)
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 (mark)
+
+ /*
+ * Save the result.
+ */
+ repo_add(node_ctx.dst, node_ctx.type, mark);
+ if (have_text)
fast_export_blob(node_ctx.type, mark,
node_ctx.textLength, &input);
}
@@ -259,8 +277,9 @@ static void handle_node(void)
static void handle_revision(void)
{
if (rev_ctx.revision)
- repo_commit(rev_ctx.revision, rev_ctx.author, rev_ctx.log,
- dump_ctx.uuid, dump_ctx.url, rev_ctx.timestamp);
+ repo_commit(rev_ctx.revision, rev_ctx.author.buf,
+ rev_ctx.log.buf, dump_ctx.uuid.buf, dump_ctx.url.buf,
+ rev_ctx.timestamp);
}
void svndump_read(const char *url)
@@ -269,44 +288,65 @@ void svndump_read(const char *url)
char *t;
uint32_t active_ctx = DUMP_CTX;
uint32_t len;
- uint32_t key;
- reset_dump_ctx(pool_intern(url));
+ reset_dump_ctx(url);
while ((t = buffer_read_line(&input))) {
- val = strstr(t, ": ");
+ val = strchr(t, ':');
if (!val)
continue;
- *val++ = '\0';
- *val++ = '\0';
- key = pool_intern(t);
+ val++;
+ if (*val != ' ')
+ continue;
+ val++;
- if (key == keys.svn_fs_dump_format_version) {
+ /* strlen(key) + 1 */
+ switch (val - t - 1) {
+ case sizeof("SVN-fs-dump-format-version"):
+ if (constcmp(t, "SVN-fs-dump-format-version"))
+ continue;
dump_ctx.version = atoi(val);
if (dump_ctx.version > 3)
die("expected svn dump format version <= 3, found %"PRIu32,
dump_ctx.version);
- } else if (key == keys.uuid) {
- dump_ctx.uuid = pool_intern(val);
- } else if (key == keys.revision_number) {
+ break;
+ case sizeof("UUID"):
+ if (constcmp(t, "UUID"))
+ continue;
+ strbuf_reset(&dump_ctx.uuid);
+ strbuf_addstr(&dump_ctx.uuid, val);
+ break;
+ case sizeof("Revision-number"):
+ if (constcmp(t, "Revision-number"))
+ continue;
if (active_ctx == NODE_CTX)
handle_node();
if (active_ctx != DUMP_CTX)
handle_revision();
active_ctx = REV_CTX;
reset_rev_ctx(atoi(val));
- } else if (key == keys.node_path) {
- if (active_ctx == NODE_CTX)
- handle_node();
- active_ctx = NODE_CTX;
- reset_node_ctx(val);
- } else if (key == keys.node_kind) {
+ break;
+ case sizeof("Node-path"):
+ if (prefixcmp(t, "Node-"))
+ continue;
+ if (!constcmp(t + strlen("Node-"), "path")) {
+ if (active_ctx == NODE_CTX)
+ handle_node();
+ active_ctx = NODE_CTX;
+ reset_node_ctx(val);
+ break;
+ }
+ if (constcmp(t + strlen("Node-"), "kind"))
+ continue;
if (!strcmp(val, "dir"))
node_ctx.type = REPO_MODE_DIR;
else if (!strcmp(val, "file"))
node_ctx.type = REPO_MODE_BLB;
else
fprintf(stderr, "Unknown node-kind: %s\n", val);
- } else if (key == keys.node_action) {
+ break;
+ case sizeof("Node-action"):
+ if (constcmp(t, "Node-action"))
+ continue;
if (!strcmp(val, "delete")) {
node_ctx.action = NODEACT_DELETE;
} else if (!strcmp(val, "add")) {
@@ -319,21 +359,44 @@ void svndump_read(const char *url)
fprintf(stderr, "Unknown node-action: %s\n", val);
node_ctx.action = NODEACT_UNKNOWN;
}
- } else if (key == keys.node_copyfrom_path) {
+ break;
+ case sizeof("Node-copyfrom-path"):
+ if (constcmp(t, "Node-copyfrom-path"))
+ continue;
pool_tok_seq(REPO_MAX_PATH_DEPTH, node_ctx.src, "/", val);
- } else if (key == keys.node_copyfrom_rev) {
+ break;
+ case sizeof("Node-copyfrom-rev"):
+ if (constcmp(t, "Node-copyfrom-rev"))
+ continue;
node_ctx.srcRev = atoi(val);
- } else if (key == keys.text_content_length) {
- node_ctx.textLength = atoi(val);
- } else if (key == keys.prop_content_length) {
+ break;
+ case sizeof("Text-content-length"):
+ if (!constcmp(t, "Text-content-length")) {
+ node_ctx.textLength = atoi(val);
+ break;
+ }
+ if (constcmp(t, "Prop-content-length"))
+ continue;
node_ctx.propLength = atoi(val);
- } else if (key == keys.text_delta) {
- node_ctx.text_delta = !strcmp(val, "true");
- } else if (key == keys.prop_delta) {
+ break;
+ case sizeof("Text-delta"):
+ if (!constcmp(t, "Text-delta")) {
+ node_ctx.text_delta = !strcmp(val, "true");
+ break;
+ }
+ if (constcmp(t, "Prop-delta"))
+ continue;
node_ctx.prop_delta = !strcmp(val, "true");
- } else if (key == keys.content_length) {
+ break;
+ case sizeof("Content-length"):
+ if (constcmp(t, "Content-length"))
+ continue;
len = atoi(val);
- buffer_read_line(&input);
+ t = buffer_read_line(&input);
+ if (!t)
+ die_short_read();
+ if (*t)
+ die("invalid dump: expected blank line after content length header");
if (active_ctx == REV_CTX) {
read_props();
} else if (active_ctx == NODE_CTX) {
@@ -341,10 +404,13 @@ void svndump_read(const char *url)
active_ctx = REV_CTX;
} else {
fprintf(stderr, "Unexpected content length header: %"PRIu32"\n", len);
- buffer_skip_bytes(&input, len);
+ if (buffer_skip_bytes(&input, len) != len)
+ die_short_read();
}
}
}
+ if (buffer_ferror(&input))
+ die_short_read();
if (active_ctx == NODE_CTX)
handle_node();
if (active_ctx != DUMP_CTX)
@@ -356,20 +422,23 @@ int svndump_init(const char *filename)
if (buffer_init(&input, filename))
return error("cannot open %s: %s", filename, strerror(errno));
repo_init();
- reset_dump_ctx(~0);
+ strbuf_init(&dump_ctx.uuid, 4096);
+ strbuf_init(&dump_ctx.url, 4096);
+ strbuf_init(&rev_ctx.log, 4096);
+ strbuf_init(&rev_ctx.author, 4096);
+ reset_dump_ctx(NULL);
reset_rev_ctx(0);
reset_node_ctx(NULL);
- init_keys();
return 0;
}
void svndump_deinit(void)
{
- log_reset();
repo_reset();
- reset_dump_ctx(~0);
+ reset_dump_ctx(NULL);
reset_rev_ctx(0);
reset_node_ctx(NULL);
+ strbuf_release(&rev_ctx.log);
if (buffer_deinit(&input))
fprintf(stderr, "Input error\n");
if (ferror(stdout))
@@ -378,10 +447,10 @@ void svndump_deinit(void)
void svndump_reset(void)
{
- log_reset();
buffer_reset(&input);
repo_reset();
- reset_dump_ctx(~0);
- reset_rev_ctx(0);
- reset_node_ctx(NULL);
+ strbuf_release(&dump_ctx.uuid);
+ strbuf_release(&dump_ctx.url);
+ strbuf_release(&rev_ctx.log);
+ strbuf_release(&rev_ctx.author);
}