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Merge branch 'jc/streaming' into next

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* jc/streaming:
  sha1_file: use the correct type (ssize_t, not size_t) for read-style function
  streaming: read loose objects incrementally
  sha1_file.c: expose helpers to read loose objects
  streaming: read non-delta incrementally from a pack
  streaming_write_entry(): support files with holes
  convert: CRLF_INPUT is a no-op in the output codepath
  streaming_write_entry(): use streaming API in write_entry()
  streaming: a new API to read from the object store
  write_entry(): separate two helper functions out
  unpack_object_header(): make it public
  sha1_object_info_extended(): hint about objects in delta-base cache
  sha1_object_info_extended(): expose a bit more info
  packed_object_info_detail(): do not return a string
This commit is contained in:
Junio C Hamano
2011-06-29 17:09:27 -07:00
parent 61f44720a9 23c7df6bdd
commit 55ac692661
8 changed files with 593 additions and 41 deletions
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36
cache.h
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@ -780,6 +780,9 @@ extern int hash_sha1_file(const void *buf, unsigned long len, const char *type,
extern int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
extern int force_object_loose(const unsigned char *sha1, time_t mtime);
extern void *map_sha1_file(const unsigned char *sha1, unsigned long *size);
extern int unpack_sha1_header(z_stream *stream, unsigned char *map, unsigned long mapsize, void *buffer, unsigned long bufsiz);
extern int parse_sha1_header(const char *hdr, unsigned long *sizep);
/* global flag to enable extra checks when accessing packed objects */
extern int do_check_packed_object_crc;
@ -1021,7 +1024,37 @@ extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *);
extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *);
extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t);
extern const char *packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *);
extern int packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *);
extern int unpack_object_header(struct packed_git *, struct pack_window **, off_t *, unsigned long *);
struct object_info {
/* Request */
unsigned long *sizep;
/* Response */
enum {
OI_CACHED,
OI_LOOSE,
OI_PACKED,
OI_DBCACHED
} whence;
union {
/*
* struct {
* ... Nothing to expose in this case
* } cached;
* struct {
* ... Nothing to expose in this case
* } loose;
*/
struct {
struct packed_git *pack;
off_t offset;
unsigned int is_delta;
} packed;
} u;
};
extern int sha1_object_info_extended(const unsigned char *, struct object_info *);
/* Dumb servers support */
extern int update_server_info(int);
@ -1135,6 +1168,7 @@ extern int convert_to_git(const char *path, const char *src, size_t len,
struct strbuf *dst, enum safe_crlf checksafe);
extern int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst);
extern int renormalize_buffer(const char *path, const char *src, size_t len, struct strbuf *dst);
extern int can_bypass_conversion(const char *path);
/* add */
/*