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vcs-svn: eliminate repo_tree structure

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Rely on fast-import for information about previous revs.

This requires always setting up backward flow of information, even for
v2 dumps.  On the plus side, it simplifies the code by quite a bit and
opens the door to further simplifications.

[db: adjusted to support final version of the cat-blob patch]
[jn: avoiding hard-coding git's name for the empty tree for
 portability to other backends]

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: David Barr <david.barr@cordelta.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
This commit is contained in:
Jonathan Nieder
2010-12-10 04:00:55 -06:00
parent 7e11902c99
commit 723b7a2789
7 changed files with 184 additions and 340 deletions
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22
vcs-svn/fast_export.h
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@ -1,19 +1,25 @@
#ifndef FAST_EXPORT_H_
#define FAST_EXPORT_H_
#include "line_buffer.h"
struct strbuf;
struct line_buffer;
void fast_export_init(int fd);
void fast_export_deinit(void);
void fast_export_reset(void);
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_begin_commit(uint32_t revision);
void fast_export_commit(uint32_t revision, uint32_t author, char *log,
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_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