103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
#ifndef OBJECT_FILE_H
|
|
#define OBJECT_FILE_H
|
|
|
|
#include "git-zlib.h"
|
|
#include "object.h"
|
|
|
|
struct index_state;
|
|
|
|
/*
|
|
* Set this to 0 to prevent oid_object_info_extended() from fetching missing
|
|
* blobs. This has a difference only if extensions.partialClone is set.
|
|
*
|
|
* Its default value is 1.
|
|
*/
|
|
extern int fetch_if_missing;
|
|
|
|
#define HASH_WRITE_OBJECT 1
|
|
#define HASH_FORMAT_CHECK 2
|
|
#define HASH_RENORMALIZE 4
|
|
#define HASH_SILENT 8
|
|
int index_fd(struct index_state *istate, struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
|
|
int index_path(struct index_state *istate, struct object_id *oid, const char *path, struct stat *st, unsigned flags);
|
|
|
|
int git_open_cloexec(const char *name, int flags);
|
|
#define git_open(name) git_open_cloexec(name, O_RDONLY)
|
|
|
|
/**
|
|
* unpack_loose_header() initializes the data stream needed to unpack
|
|
* a loose object header.
|
|
*
|
|
* Returns:
|
|
*
|
|
* - ULHR_OK on success
|
|
* - ULHR_BAD on error
|
|
* - ULHR_TOO_LONG if the header was too long
|
|
*
|
|
* It will only parse up to MAX_HEADER_LEN bytes unless an optional
|
|
* "hdrbuf" argument is non-NULL. This is intended for use with
|
|
* OBJECT_INFO_ALLOW_UNKNOWN_TYPE to extract the bad type for (error)
|
|
* reporting. The full header will be extracted to "hdrbuf" for use
|
|
* with parse_loose_header(), ULHR_TOO_LONG will still be returned
|
|
* from this function to indicate that the header was too long.
|
|
*/
|
|
enum unpack_loose_header_result {
|
|
ULHR_OK,
|
|
ULHR_BAD,
|
|
ULHR_TOO_LONG,
|
|
};
|
|
enum unpack_loose_header_result unpack_loose_header(git_zstream *stream,
|
|
unsigned char *map,
|
|
unsigned long mapsize,
|
|
void *buffer,
|
|
unsigned long bufsiz,
|
|
struct strbuf *hdrbuf);
|
|
|
|
/**
|
|
* parse_loose_header() parses the starting "<type> <len>\0" of an
|
|
* object. If it doesn't follow that format -1 is returned. To check
|
|
* the validity of the <type> populate the "typep" in the "struct
|
|
* object_info". It will be OBJ_BAD if the object type is unknown. The
|
|
* parsed <len> can be retrieved via "oi->sizep", and from there
|
|
* passed to unpack_loose_rest().
|
|
*/
|
|
struct object_info;
|
|
int parse_loose_header(const char *hdr, struct object_info *oi);
|
|
|
|
/**
|
|
* With in-core object data in "buf", rehash it to make sure the
|
|
* object name actually matches "oid" to detect object corruption.
|
|
*
|
|
* A negative value indicates an error, usually that the OID is not
|
|
* what we expected, but it might also indicate another error.
|
|
*/
|
|
int check_object_signature(struct repository *r, const struct object_id *oid,
|
|
void *map, unsigned long size,
|
|
enum object_type type);
|
|
|
|
/**
|
|
* A streaming version of check_object_signature().
|
|
* Try reading the object named with "oid" using
|
|
* the streaming interface and rehash it to do the same.
|
|
*/
|
|
int stream_object_signature(struct repository *r, const struct object_id *oid);
|
|
|
|
enum finalize_object_file_flags {
|
|
FOF_SKIP_COLLISION_CHECK = 1,
|
|
};
|
|
|
|
int finalize_object_file(const char *tmpfile, const char *filename);
|
|
int finalize_object_file_flags(const char *tmpfile, const char *filename,
|
|
enum finalize_object_file_flags flags);
|
|
|
|
/* Helper to check and "touch" a file */
|
|
int check_and_freshen_file(const char *fn, int freshen);
|
|
|
|
void *read_object_with_reference(struct repository *r,
|
|
const struct object_id *oid,
|
|
enum object_type required_type,
|
|
unsigned long *size,
|
|
struct object_id *oid_ret);
|
|
|
|
#endif /* OBJECT_FILE_H */
|