test_cmp hello actual.target
'
- test_expect_success 'NUL in property value' '
++test_expect_success PIPE 'NUL in property value' '
+ reinit_git &&
+ echo "commit message" >expect.message &&
+ {
+ properties \
+ unimportant "something with a NUL (Q)" \
+ svn:log "commit message"&&
+ echo PROPS-END
+ } |
+ q_to_nul >props &&
+ {
+ cat <<-\EOF &&
+ SVN-fs-dump-format-version: 3
+
+ Revision-number: 1
+ EOF
+ echo Prop-content-length: $(wc -c <props) &&
+ echo Content-length: $(wc -c <props) &&
+ echo &&
+ cat props
+ } >nulprop.dump &&
- test-svn-fe nulprop.dump >stream &&
- git fast-import <stream &&
++ try_dump nulprop.dump &&
+ git diff-tree --always -s --format=%s HEAD >actual.message &&
+ test_cmp expect.message actual.message
+'
+
- test_expect_success 'NUL in log message, file content, and property name' '
++test_expect_success PIPE 'NUL in log message, file content, and property name' '
+ # Caveat: svnadmin 1.6.16 (r1073529) truncates at \0 in the
+ # svn:specialQnotreally example.
+ reinit_git &&
+ cat >expect <<-\EOF &&
+ OBJID
+ :100644 100644 OBJID OBJID M greeting
+ OBJID
+ :000000 100644 OBJID OBJID A greeting
+ EOF
+ printf "\n%s\n" "something with an ASCII NUL (Q)" >expect.message &&
+ printf "%s\n" "helQo" >expect.hello1 &&
+ printf "%s\n" "link hello" >expect.hello2 &&
+ {
+ properties svn:log "something with an ASCII NUL (Q)" &&
+ echo PROPS-END
+ } |
+ q_to_nul >props &&
+ {
+ q_to_nul <<-\EOF &&
+ SVN-fs-dump-format-version: 3
+
+ Revision-number: 1
+ Prop-content-length: 10
+ Content-length: 10
+
+ PROPS-END
+
+ Node-path: greeting
+ Node-kind: file
+ Node-action: add
+ Prop-content-length: 10
+ Text-content-length: 6
+ Content-length: 16
+
+ PROPS-END
+ helQo
+
+ Revision-number: 2
+ EOF
+ echo Prop-content-length: $(wc -c <props) &&
+ echo Content-length: $(wc -c <props) &&
+ echo &&
+ cat props &&
+ q_to_nul <<-\EOF
+
+ Node-path: greeting
+ Node-kind: file
+ Node-action: change
+ Prop-content-length: 43
+ Text-content-length: 11
+ Content-length: 54
+
+ K 21
+ svn:specialQnotreally
+ V 1
+ *
+ PROPS-END
+ link hello
+ EOF
+ } >8bitclean.dump &&
- test-svn-fe 8bitclean.dump >stream &&
- git fast-import <stream &&
++ try_dump 8bitclean.dump &&
+ {
+ git rev-list HEAD |
+ git diff-tree --root --stdin |
+ sed "s/$_x40/OBJID/g"
+ } >actual &&
+ {
+ git cat-file commit HEAD | nul_to_q &&
+ echo
+ } |
+ sed -ne "/^\$/,\$ p" >actual.message &&
+ git cat-file blob HEAD^:greeting | nul_to_q >actual.hello1 &&
+ git cat-file blob HEAD:greeting | nul_to_q >actual.hello2 &&
+ test_cmp expect actual &&
+ test_cmp expect.message actual.message &&
+ test_cmp expect.hello1 actual.hello1 &&
+ test_cmp expect.hello2 actual.hello2
+'
+
- test_expect_success 'change file mode and reiterate content' '
+ test_expect_success PIPE 'change file mode and reiterate content' '
reinit_git &&
cat >expect <<-\EOF &&
OBJID
}
static char gitsvnline[MAX_GITSVN_LINE_LEN];
- void fast_export_commit(uint32_t revision, const char *author,
-void fast_export_begin_commit(uint32_t revision, uint32_t author, char *log,
- uint32_t uuid, uint32_t url,
++void fast_export_begin_commit(uint32_t revision, const char *author,
+ const struct strbuf *log,
+ const char *uuid, const char *url,
unsigned long timestamp)
{
+ static const struct strbuf empty = STRBUF_INIT;
if (!log)
- log = "";
- if (~uuid && ~url) {
+ log = ∅
+ 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("mark :%"PRIu32"\n", revision);
printf("committer %s <%s@%s> %ld +0000\n",
- ~author ? pool_fetch(author) : "nobody",
- ~author ? pool_fetch(author) : "nobody",
- ~uuid ? pool_fetch(uuid) : "local", timestamp);
- printf("data %"PRIu32"\n%s%s\n",
- (uint32_t) (strlen(log) + strlen(gitsvnline)),
- log, gitsvnline);
+ *author ? author : "nobody",
+ *author ? author : "nobody",
+ *uuid ? uuid : "local", timestamp);
+ printf("data %"PRIuMAX"\n",
+ (uintmax_t) (log->len + strlen(gitsvnline)));
+ fwrite(log->buf, log->len, 1, stdout);
+ printf("%s\n", gitsvnline);
if (!first_commit_done) {
if (revision > 1)
- printf("from refs/heads/master^0\n");
+ printf("from :%"PRIu32"\n", revision - 1);
first_commit_done = 1;
}
- repo_diff(revision - 1, revision);
- fputc('\n', stdout);
+ }
+ void fast_export_end_commit(uint32_t revision)
+ {
printf("progress Imported commit %"PRIu32".\n\n", revision);
}
- void fast_export_blob(uint32_t mode, uint32_t mark, uint32_t len, struct line_buffer *input)
+ static void ls_from_rev(uint32_t rev, uint32_t depth, const uint32_t *path)
+ {
+ /* ls :5 path/to/old/file */
+ printf("ls :%"PRIu32" \"", rev);
+ pool_print_seq_q(depth, path, '/', stdout);
+ printf("\"\n");
+ fflush(stdout);
+ }
+
+ static void ls_from_active_commit(uint32_t depth, const uint32_t *path)
+ {
+ /* ls "path/to/file" */
+ printf("ls \"");
+ pool_print_seq_q(depth, path, '/', stdout);
+ printf("\"\n");
+ fflush(stdout);
+ }
+
+ static const char *get_response_line(void)
+ {
+ const char *line = buffer_read_line(&report_buffer);
+ if (line)
+ return line;
+ if (buffer_ferror(&report_buffer))
+ die_errno("error reading from fast-import");
+ die("unexpected end of fast-import feedback");
+ }
+
+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_data(uint32_t mode, 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);
+ printf("data %"PRIu32"\n", len);
- buffer_copy_bytes(input, len);
+ if (buffer_copy_bytes(input, len) != len)
+ die_short_read(input);
fputc('\n', stdout);
}
+
+ static int parse_ls_response(const char *response, uint32_t *mode,
+ struct strbuf *dataref)
+ {
+ const char *tab;
+ const char *response_end;
+
+ assert(response);
+ response_end = response + strlen(response);
+
+ if (*response == 'm') { /* Missing. */
+ errno = ENOENT;
+ return -1;
+ }
+
+ /* Mode. */
+ if (response_end - response < strlen("100644") ||
+ response[strlen("100644")] != ' ')
+ die("invalid ls response: missing mode: %s", response);
+ *mode = 0;
+ for (; *response != ' '; response++) {
+ char ch = *response;
+ if (ch < '0' || ch > '7')
+ die("invalid ls response: mode is not octal: %s", response);
+ *mode *= 8;
+ *mode += ch - '0';
+ }
+
+ /* ' blob ' or ' tree ' */
+ if (response_end - response < strlen(" blob ") ||
+ (response[1] != 'b' && response[1] != 't'))
+ die("unexpected ls response: not a tree or blob: %s", response);
+ response += strlen(" blob ");
+
+ /* Dataref. */
+ tab = memchr(response, '\t', response_end - response);
+ if (!tab)
+ die("invalid ls response: missing tab: %s", response);
+ strbuf_add(dataref, response, tab - response);
+ return 0;
+ }
+
+ int fast_export_ls_rev(uint32_t rev, uint32_t depth, const uint32_t *path,
+ uint32_t *mode, struct strbuf *dataref)
+ {
+ ls_from_rev(rev, depth, path);
+ return parse_ls_response(get_response_line(), mode, dataref);
+ }
+
+ int fast_export_ls(uint32_t depth, const uint32_t *path,
+ uint32_t *mode, struct strbuf *dataref)
+ {
+ ls_from_active_commit(depth, path);
+ return parse_ls_response(get_response_line(), mode, dataref);
+ }
#ifndef FAST_EXPORT_H_
#define FAST_EXPORT_H_
- #include "line_buffer.h"
struct strbuf;
+ struct line_buffer;
- 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, const char *author,
+ void fast_export_init(int fd);
+ void fast_export_deinit(void);
+ void fast_export_reset(void);
+
+ void fast_export_delete(uint32_t depth, const uint32_t *path);
+ void fast_export_modify(uint32_t depth, const uint32_t *path,
+ uint32_t mode, const char *dataref);
-void fast_export_begin_commit(uint32_t revision, uint32_t author, char *log,
- uint32_t uuid, uint32_t url, unsigned long timestamp);
++void fast_export_begin_commit(uint32_t revision, const char *author,
+ const struct strbuf *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);
+ void fast_export_end_commit(uint32_t revision);
+ void fast_export_data(uint32_t mode, uint32_t len, struct line_buffer *input);
+
+ /* If there is no such file at that rev, returns -1, errno == ENOENT. */
+ int fast_export_ls_rev(uint32_t rev, uint32_t depth, const uint32_t *path,
+ uint32_t *mode_out, struct strbuf *dataref_out);
+ int fast_export_ls(uint32_t depth, const uint32_t *path,
+ uint32_t *mode_out, struct strbuf *dataref_out);
#endif
uint32_t next_blob_mark(void);
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_read_path(const uint32_t *path);
- uint32_t repo_read_mode(const uint32_t *path);
+ const char *repo_read_path(const uint32_t *path, uint32_t *mode_out);
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,
+ const struct strbuf *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);
#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 REPORT_FILENO 3
+
#define NODEACT_REPLACE 4
#define NODEACT_DELETE 3
#define NODEACT_ADD 2
/*
* 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);
+ if (type == REPO_MODE_DIR) /* directories are not tracked. */
+ return;
+ assert(old_data);
+ if (old_data == empty_blob)
+ /* 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);
+ 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);
+ }
+
+ static void begin_revision(void)
+ {
+ if (!rev_ctx.revision) /* revision 0 gets no git commit. */
+ return;
- fast_export_begin_commit(rev_ctx.revision, rev_ctx.author, rev_ctx.log,
- dump_ctx.uuid, dump_ctx.url, rev_ctx.timestamp);
++ fast_export_begin_commit(rev_ctx.revision, rev_ctx.author.buf,
++ &rev_ctx.log, dump_ctx.uuid.buf, dump_ctx.url.buf,
++ rev_ctx.timestamp);
}
- static void handle_revision(void)
+ static void end_revision(void)
{
if (rev_ctx.revision)
- repo_commit(rev_ctx.revision, rev_ctx.author.buf,
- &rev_ctx.log, dump_ctx.uuid.buf, dump_ctx.url.buf,
- rev_ctx.timestamp);
+ fast_export_end_commit(rev_ctx.revision);
}
void svndump_read(const char *url)
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 == REV_CTX)
+ begin_revision();
if (active_ctx != DUMP_CTX)
- handle_revision();
+ end_revision();
active_ctx = REV_CTX;
reset_rev_ctx(atoi(val));
- } else if (key == keys.node_path) {
- if (active_ctx == NODE_CTX)
- handle_node();
- if (active_ctx == REV_CTX)
- begin_revision();
- 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();
++ if (active_ctx == REV_CTX)
++ begin_revision();
+ 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"))
read_props();
} else if (active_ctx == NODE_CTX) {
handle_node();
- active_ctx = REV_CTX;
+ active_ctx = INTERNODE_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 == REV_CTX)
+ begin_revision();
if (active_ctx != DUMP_CTX)
- handle_revision();
+ end_revision();
}
int svndump_init(const char *filename)
{
if (buffer_init(&input, filename))
return error("cannot open %s: %s", filename, strerror(errno));
- repo_init();
+ fast_export_init(REPORT_FILENO);
- 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)
{
- repo_reset();
- log_reset();
+ fast_export_deinit();
- 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))
void svndump_reset(void)
{
- log_reset();
+ fast_export_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);
}
projects / git.git / commitdiff