1#ifndef PACKFILE_H 2#define PACKFILE_H 3 4/* 5 * Generate the filename to be used for a pack file with checksum "sha1" and 6 * extension "ext". The result is written into the strbuf "buf", overwriting 7 * any existing contents. A pointer to buf->buf is returned as a convenience. 8 * 9 * Example: odb_pack_name(out, sha1, "idx") => ".git/objects/pack/pack-1234..idx" 10 */ 11externchar*odb_pack_name(struct strbuf *buf,const unsigned char*sha1,const char*ext); 12 13/* 14 * Return the name of the (local) packfile with the specified sha1 in 15 * its name. The return value is a pointer to memory that is 16 * overwritten each time this function is called. 17 */ 18externchar*sha1_pack_name(const unsigned char*sha1); 19 20/* 21 * Return the name of the (local) pack index file with the specified 22 * sha1 in its name. The return value is a pointer to memory that is 23 * overwritten each time this function is called. 24 */ 25externchar*sha1_pack_index_name(const unsigned char*sha1); 26 27externstruct packed_git *parse_pack_index(unsigned char*sha1,const char*idx_path); 28 29/* A hook to report invalid files in pack directory */ 30#define PACKDIR_FILE_PACK 1 31#define PACKDIR_FILE_IDX 2 32#define PACKDIR_FILE_GARBAGE 4 33externvoid(*report_garbage)(unsigned seen_bits,const char*path); 34 35externvoidprepare_packed_git(void); 36externvoidreprepare_packed_git(void); 37externvoidinstall_packed_git(struct packed_git *pack); 38 39/* 40 * Give a rough count of objects in the repository. This sacrifices accuracy 41 * for speed. 42 */ 43unsigned longapproximate_object_count(void); 44 45externvoidpack_report(void); 46 47/* 48 * mmap the index file for the specified packfile (if it is not 49 * already mmapped). Return 0 on success. 50 */ 51externintopen_pack_index(struct packed_git *); 52 53/* 54 * munmap the index file for the specified packfile (if it is 55 * currently mmapped). 56 */ 57externvoidclose_pack_index(struct packed_git *); 58 59externunsigned char*use_pack(struct packed_git *,struct pack_window **, off_t,unsigned long*); 60externvoidclose_pack_windows(struct packed_git *); 61externvoidclose_all_packs(void); 62externvoidunuse_pack(struct pack_window **); 63externstruct packed_git *add_packed_git(const char*path,size_t path_len,int local); 64 65externunsigned longunpack_object_header_buffer(const unsigned char*buf,unsigned long len,enum object_type *type,unsigned long*sizep); 66 67externvoidrelease_pack_memory(size_t); 68 69externintopen_packed_git(struct packed_git *p); 70 71#endif