mirrors/git
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'jt/unify-object-info'

Browse Source 
Code clean-ups.

* jt/unify-object-info:
  sha1_file: refactor has_sha1_file_with_flags
  sha1_file: do not access pack if unneeded
  sha1_file: teach sha1_object_info_extended more flags
  sha1_file: refactor read_object
  sha1_file: move delta base cache code up
  sha1_file: rename LOOKUP_REPLACE_OBJECT
  sha1_file: rename LOOKUP_UNKNOWN_OBJECT
  sha1_file: teach packed_object_info about typename
This commit is contained in:
Junio C Hamano
2017-07-05 13:32:57 -07:00
parent 8e90578ffb e83e71c5e1
commit 00b7cf2379
5 changed files with 223 additions and 216 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
cache.h
View File

@ -1160,13 +1160,12 @@ extern char *xdg_config_home(const char *filename);
*/
extern char *xdg_cache_home(const char *filename);
/* object replacement */
#define LOOKUP_REPLACE_OBJECT 1
#define LOOKUP_UNKNOWN_OBJECT 2
extern void *read_sha1_file_extended(const unsigned char *sha1, enum object_type *type, unsigned long *size, unsigned flag);
extern void *read_sha1_file_extended(const unsigned char *sha1,
enum object_type *type,
unsigned long *size, int lookup_replace);
static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
{
return read_sha1_file_extended(sha1, type, size, LOOKUP_REPLACE_OBJECT);
return read_sha1_file_extended(sha1, type, size, 1);
}
/*
@ -1188,13 +1187,6 @@ static inline const unsigned char *lookup_replace_object(const unsigned char *sh
return do_lookup_replace_object(sha1);
}
static inline const unsigned char *lookup_replace_object_extended(const unsigned char *sha1, unsigned flag)
{
if (!(flag & LOOKUP_REPLACE_OBJECT))
return sha1;
return lookup_replace_object(sha1);
}
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
extern int sha1_object_info(const unsigned char *, unsigned long *);
extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
@ -1231,15 +1223,10 @@ int read_loose_object(const char *path,
void **contents);
/*
* Return true iff we have an object named sha1, whether local or in
* an alternate object database, and whether packed or loose. This
* function does not respect replace references.
*
* If the QUICK flag is set, do not re-check the pack directory
* when we cannot find the object (this means we may give a false
* negative answer if another process is simultaneously repacking).
* Convenience for sha1_object_info_extended() with a NULL struct
* object_info. OBJECT_INFO_SKIP_CACHED is automatically set; pass
* nonzero flags to also set other flags.
*/
#define HAS_SHA1_QUICK 0x1
extern int has_sha1_file_with_flags(const unsigned char *sha1, int flags);
static inline int has_sha1_file(const unsigned char *sha1)
{
@ -1806,6 +1793,7 @@ struct object_info {
off_t *disk_sizep;
unsigned char *delta_base_sha1;
struct strbuf *typename;
void **contentp;
/* Response */
enum {
@ -1837,6 +1825,14 @@ struct object_info {
*/
#define OBJECT_INFO_INIT {NULL}
/* Invoke lookup_replace_object() on the given hash */
#define OBJECT_INFO_LOOKUP_REPLACE 1
/* Allow reading from a loose object file of unknown/bogus type */
#define OBJECT_INFO_ALLOW_UNKNOWN_TYPE 2
/* Do not check cached storage */
#define OBJECT_INFO_SKIP_CACHED 4
/* Do not retry packed storage after checking packed and loose storage */
#define OBJECT_INFO_QUICK 8
extern int sha1_object_info_extended(const unsigned char *, struct object_info *, unsigned flags);
extern int packed_object_info(struct packed_git *pack, off_t offset, struct object_info *);