#ifndef CACHE_H

#define CACHE_H

#include "git-compat-util.h"

#include "strbuf.h"

#include "hash.h"

#include "advice.h"

#include "gettext.h"

#include "convert.h"

#include SHA1_HEADER

#ifndef git_SHA_CTX

#define git_SHA_CTX SHA_CTX

#define git_SHA1_Init SHA1_Init

#define git_SHA1_Update SHA1_Update

#define git_SHA1_Final SHA1_Final

#include <zlib.h>

typedef struct git_zstream {

} git_zstream;

void git_inflate_init(git_zstream *);

void git_inflate_init_gzip_only(git_zstream *);

void git_inflate_end(git_zstream *);

int git_inflate(git_zstream *, int flush);

void git_deflate_init(git_zstream *, int level);

void git_deflate_init_gzip(git_zstream *, int level);

void git_deflate_end(git_zstream *);

int git_deflate_abort(git_zstream *);

int git_deflate_end_gently(git_zstream *);

int git_deflate(git_zstream *, int flush);

unsigned long git_deflate_bound(git_zstream *, unsigned long);

#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)

#define DTYPE(de) ((de)->d_type)

#undef DT_UNKNOWN

#undef DT_DIR

#undef DT_REG

#undef DT_LNK

#define DT_UNKNOWN 0

#define DT_DIR 1

#define DT_REG 2

#define DT_LNK 3

#define DTYPE(de) DT_UNKNOWN

#define S_IFINVALID 0030000

#define S_IFGITLINK 0160000

#define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK)

#define DEFAULT_GIT_PORT 9418

#define CACHE_SIGNATURE 0x44495243 /* "DIRC" */

struct cache_header {

};

#define INDEX_FORMAT_LB 2

#define INDEX_FORMAT_UB 4

struct cache_time {

unsigned int sec;

unsigned int nsec;

};

struct cache_entry {

};

#define CE_NAMEMASK (0x0fff)

#define CE_STAGEMASK (0x3000)

#define CE_EXTENDED (0x4000)

#define CE_VALID (0x8000)

#define CE_STAGESHIFT 12

#define CE_UPDATE (1 << 16)

#define CE_REMOVE (1 << 17)

#define CE_UPTODATE (1 << 18)

#define CE_ADDED (1 << 19)

#define CE_HASHED (1 << 20)

#define CE_UNHASHED (1 << 21)

#define CE_WT_REMOVE (1 << 22) /* remove in work directory */

#define CE_CONFLICTED (1 << 23)

#define CE_UNPACKED (1 << 24)

#define CE_NEW_SKIP_WORKTREE (1 << 25)

#define CE_INTENT_TO_ADD (1 << 29)

#define CE_SKIP_WORKTREE (1 << 30)

#define CE_EXTENDED2 (1 << 31)

#define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD | CE_SKIP_WORKTREE)

#if CE_EXTENDED_FLAGS & 0x803FFFFF

#error "CE_EXTENDED_FLAGS out of range"

#define CE_STATE_MASK (CE_HASHED | CE_UNHASHED)

static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry *src)

{

unsigned int state = dst->ce_flags & CE_STATE_MASK;

/* Don't copy hash chain and name */

memcpy(dst, src, offsetof(struct cache_entry, next));

/* Restore the hash state */

dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state;

}

static inline unsigned create_ce_flags(size_t len, unsigned stage)

{

if (len >= CE_NAMEMASK)

len = CE_NAMEMASK;

return (len | (stage << CE_STAGESHIFT));

}

static inline size_t ce_namelen(const struct cache_entry *ce)

{

size_t len = ce->ce_flags & CE_NAMEMASK;

if (len < CE_NAMEMASK)

return len;

return strlen(ce->name + CE_NAMEMASK) + CE_NAMEMASK;

}

#define ce_size(ce) cache_entry_size(ce_namelen(ce))

#define ce_stage(ce) ((CE_STAGEMASK & (ce)->ce_flags) >> CE_STAGESHIFT)

#define ce_uptodate(ce) ((ce)->ce_flags & CE_UPTODATE)

#define ce_skip_worktree(ce) ((ce)->ce_flags & CE_SKIP_WORKTREE)

#define ce_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE)

#define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644)

static inline unsigned int create_ce_mode(unsigned int mode)

{

if (S_ISLNK(mode))

return S_IFLNK;

if (S_ISDIR(mode) || S_ISGITLINK(mode))

return S_IFGITLINK;

return S_IFREG | ce_permissions(mode);

}

static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode)

{

extern int trust_executable_bit, has_symlinks;

if (!has_symlinks && S_ISREG(mode) &&

ce && S_ISLNK(ce->ce_mode))

return ce->ce_mode;

if (!trust_executable_bit && S_ISREG(mode)) {

if (ce && S_ISREG(ce->ce_mode))

return ce->ce_mode;

return create_ce_mode(0666);

}

return create_ce_mode(mode);

}

static inline int ce_to_dtype(const struct cache_entry *ce)

{

unsigned ce_mode = ntohl(ce->ce_mode);

if (S_ISREG(ce_mode))

return DT_REG;

else if (S_ISDIR(ce_mode) || S_ISGITLINK(ce_mode))

return DT_DIR;

else if (S_ISLNK(ce_mode))

return DT_LNK;

else

return DT_UNKNOWN;

}

static inline unsigned int canon_mode(unsigned int mode)

{

if (S_ISREG(mode))

return S_IFREG | ce_permissions(mode);

if (S_ISLNK(mode))

return S_IFLNK;

if (S_ISDIR(mode))

return S_IFDIR;

return S_IFGITLINK;

}

#define cache_entry_size(len) (offsetof(struct cache_entry,name) + (len) + 1)

struct index_state {

};

extern struct index_state the_index;

extern void add_name_hash(struct index_state *istate, struct cache_entry *ce);

static inline void remove_name_hash(struct cache_entry *ce)

{

ce->ce_flags |= CE_UNHASHED;

}

#ifndef NO_THE_INDEX_COMPATIBILITY_MACROS

#define active_cache (the_index.cache)

#define active_nr (the_index.cache_nr)

#define active_alloc (the_index.cache_alloc)

#define active_cache_changed (the_index.cache_changed)

#define active_cache_tree (the_index.cache_tree)

#define read_cache() read_index(&the_index)

#define read_cache_from(path) read_index_from(&the_index, (path))

#define read_cache_preload(pathspec) read_index_preload(&the_index, (pathspec))

#define is_cache_unborn() is_index_unborn(&the_index)

#define read_cache_unmerged() read_index_unmerged(&the_index)

#define write_cache(newfd, cache, entries) write_index(&the_index, (newfd))

#define discard_cache() discard_index(&the_index)

#define unmerged_cache() unmerged_index(&the_index)

#define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen))

#define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option))

#define rename_cache_entry_at(pos, new_name) rename_index_entry_at(&the_index, (pos), (new_name))

#define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos))

#define remove_file_from_cache(path) remove_file_from_index(&the_index, (path))

#define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags))

#define add_file_to_cache(path, flags) add_file_to_index(&the_index, (path), (flags))

#define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL, NULL)

#define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options))

#define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options))

#define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase))

#define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen))

#define resolve_undo_clear() resolve_undo_clear_index(&the_index)

#define unmerge_cache_entry_at(at) unmerge_index_entry_at(&the_index, at)

#define unmerge_cache(pathspec) unmerge_index(&the_index, pathspec)

enum object_type {

};

static inline enum object_type object_type(unsigned int mode)

{

return S_ISDIR(mode) ? OBJ_TREE :

S_ISGITLINK(mode) ? OBJ_COMMIT :

OBJ_BLOB;

}

#define GIT_DIR_ENVIRONMENT "GIT_DIR"

#define GIT_NAMESPACE_ENVIRONMENT "GIT_NAMESPACE"

#define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE"

#define DEFAULT_GIT_DIR_ENVIRONMENT ".git"

#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"

#define INDEX_ENVIRONMENT "GIT_INDEX_FILE"

#define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"

#define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR"

#define CONFIG_ENVIRONMENT "GIT_CONFIG"

#define CONFIG_DATA_ENVIRONMENT "GIT_CONFIG_PARAMETERS"

#define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH"

#define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES"

#define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS"

#define GITATTRIBUTES_FILE ".gitattributes"

#define INFOATTRIBUTES_FILE "info/attributes"

#define ATTRIBUTE_MACRO_PREFIX "[attr]"

#define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF"

#define GIT_NOTES_DEFAULT_REF "refs/notes/commits"

#define GIT_NOTES_DISPLAY_REF_ENVIRONMENT "GIT_NOTES_DISPLAY_REF"

#define GIT_NOTES_REWRITE_REF_ENVIRONMENT "GIT_NOTES_REWRITE_REF"

#define GIT_NOTES_REWRITE_MODE_ENVIRONMENT "GIT_NOTES_REWRITE_MODE"

#define LOCAL_REPO_ENV_SIZE 9

extern const char *const local_repo_env[LOCAL_REPO_ENV_SIZE + 1];

extern int is_bare_repository_cfg;

extern int is_bare_repository(void);

extern int is_inside_git_dir(void);

extern char *git_work_tree_cfg;

extern int is_inside_work_tree(void);

extern int have_git_dir(void);

extern const char *get_git_dir(void);

extern int is_git_directory(const char *path);

extern char *get_object_directory(void);

extern char *get_index_file(void);

extern char *get_graft_file(void);

extern int set_git_dir(const char *path);

extern const char *get_git_namespace(void);

extern const char *strip_namespace(const char *namespaced_ref);

extern const char *get_git_work_tree(void);

extern const char *read_gitfile(const char *path);

extern const char *resolve_gitdir(const char *suspect);

extern void set_git_work_tree(const char *tree);

#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"

extern const char **get_pathspec(const char *prefix, const char **pathspec);

extern void setup_work_tree(void);

extern const char *setup_git_directory_gently(int *);

extern const char *setup_git_directory(void);

extern char *prefix_path(const char *prefix, int len, const char *path);

extern const char *prefix_filename(const char *prefix, int len, const char *path);

extern int check_filename(const char *prefix, const char *name);

extern void verify_filename(const char *prefix,

const char *name,

int diagnose_misspelt_rev);

extern void verify_non_filename(const char *prefix, const char *name);

extern int path_inside_repo(const char *prefix, const char *path);

#define INIT_DB_QUIET 0x0001

extern int set_git_dir_init(const char *git_dir, const char *real_git_dir, int);

extern int init_db(const char *template_dir, unsigned int flags);

#define alloc_nr(x) (((x)+16)*3/2)

#define ALLOC_GROW(x, nr, alloc) \

do { \

if ((nr) > alloc) { \

if (alloc_nr(alloc) < (nr)) \

alloc = (nr); \

else \

alloc = alloc_nr(alloc); \

x = xrealloc((x), alloc * sizeof(*(x))); \

} \

} while (0)

extern int read_index(struct index_state *);

extern int read_index_preload(struct index_state *, const char **pathspec);

extern int read_index_from(struct index_state *, const char *path);

extern int is_index_unborn(struct index_state *);

extern int read_index_unmerged(struct index_state *);

extern int write_index(struct index_state *, int newfd);

extern int discard_index(struct index_state *);

extern int unmerged_index(const struct index_state *);

extern int verify_path(const char *path);

extern struct cache_entry *index_name_exists(struct index_state *istate, const char *name, int namelen, int igncase);

extern int index_name_pos(const struct index_state *, const char *name, int namelen);

#define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */

#define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */

#define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */

#define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */

#define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */

extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option);

extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name);

extern int remove_index_entry_at(struct index_state *, int pos);

extern void remove_marked_cache_entries(struct index_state *istate);

extern int remove_file_from_index(struct index_state *, const char *path);

#define ADD_CACHE_VERBOSE 1

#define ADD_CACHE_PRETEND 2

#define ADD_CACHE_IGNORE_ERRORS 4

#define ADD_CACHE_IGNORE_REMOVAL 8

#define ADD_CACHE_INTENT 16

extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags);

extern int add_file_to_index(struct index_state *, const char *path, int flags);

extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh);

extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);

extern int index_name_is_other(const struct index_state *, const char *, int);

#define CE_MATCH_IGNORE_VALID 01

#define CE_MATCH_RACY_IS_DIRTY 02

#define CE_MATCH_IGNORE_SKIP_WORKTREE 04

extern int ie_match_stat(const struct index_state *, struct cache_entry *, struct stat *, unsigned int);

extern int ie_modified(const struct index_state *, struct cache_entry *, struct stat *, unsigned int);

struct pathspec {

};

extern int init_pathspec(struct pathspec *, const char **);

extern void free_pathspec(struct pathspec *);

extern int ce_path_match(const struct cache_entry *ce, const struct pathspec *pathspec);

#define HASH_WRITE_OBJECT 1

#define HASH_FORMAT_CHECK 2

extern int index_fd(unsigned char *sha1, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);

extern int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned flags);

extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);

#define REFRESH_REALLY 0x0001 /* ignore_valid */

#define REFRESH_UNMERGED 0x0002 /* allow unmerged */

#define REFRESH_QUIET 0x0004 /* be quiet about it */

#define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */

#define REFRESH_IGNORE_SUBMODULES 0x0010 /* ignore submodules */

#define REFRESH_IN_PORCELAIN 0x0020 /* user friendly output, not "needs update" */

extern int refresh_index(struct index_state *, unsigned int flags, const char **pathspec, char *seen, const char *header_msg);

struct lock_file {

};

#define LOCK_DIE_ON_ERROR 1

#define LOCK_NODEREF 2

extern int unable_to_lock_error(const char *path, int err);

extern NORETURN void unable_to_lock_index_die(const char *path, int err);

extern int hold_lock_file_for_update(struct lock_file *, const char *path, int);

extern int hold_lock_file_for_append(struct lock_file *, const char *path, int);

extern int commit_lock_file(struct lock_file *);

extern void update_index_if_able(struct index_state *, struct lock_file *);

extern int hold_locked_index(struct lock_file *, int);

extern int commit_locked_index(struct lock_file *);

extern void set_alternate_index_output(const char *);

extern int close_lock_file(struct lock_file *);

extern void rollback_lock_file(struct lock_file *);

extern int delete_ref(const char *, const unsigned char *sha1, int delopt);

extern int trust_executable_bit;

extern int trust_ctime;

extern int quote_path_fully;

extern int has_symlinks;

extern int minimum_abbrev, default_abbrev;

extern int ignore_case;

extern int assume_unchanged;

extern int prefer_symlink_refs;

extern int log_all_ref_updates;

extern int warn_ambiguous_refs;

extern int shared_repository;

extern const char *apply_default_whitespace;

extern const char *apply_default_ignorewhitespace;

extern const char *git_attributes_file;

extern int zlib_compression_level;

extern int core_compression_level;

extern int core_compression_seen;

extern size_t packed_git_window_size;

extern size_t packed_git_limit;

extern size_t delta_base_cache_limit;

extern unsigned long big_file_threshold;

extern unsigned long pack_size_limit_cfg;

extern int read_replace_refs;

extern int fsync_object_files;

extern int core_preload_index;

extern int core_apply_sparse_checkout;

extern int precomposed_unicode;

enum branch_track {

};

enum rebase_setup_type {

};

enum push_default_type {

};

extern enum branch_track git_branch_track;

extern enum rebase_setup_type autorebase;

extern enum push_default_type push_default;

enum object_creation_mode {

OBJECT_CREATION_USES_HARDLINKS = 0,

OBJECT_CREATION_USES_RENAMES = 1

};

extern enum object_creation_mode object_creation_mode;

extern char *notes_ref_name;

extern int grafts_replace_parents;

#define GIT_REPO_VERSION 0

extern int repository_format_version;

extern int check_repository_format(void);

#define MTIME_CHANGED 0x0001

#define CTIME_CHANGED 0x0002

#define OWNER_CHANGED 0x0004

#define MODE_CHANGED 0x0008

#define INODE_CHANGED 0x0010

#define DATA_CHANGED 0x0020

#define TYPE_CHANGED 0x0040

extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)

__attribute__((format (printf, 3, 4)));

extern char *git_snpath(char *buf, size_t n, const char *fmt, ...)

__attribute__((format (printf, 3, 4)));

extern char *git_pathdup(const char *fmt, ...)

__attribute__((format (printf, 1, 2)));

extern char *mkpathdup(const char *fmt, ...)

__attribute__((format (printf, 1, 2)));

extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));

extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));

extern char *git_path_submodule(const char *path, const char *fmt, ...)

__attribute__((format (printf, 2, 3)));

extern char *sha1_file_name(const unsigned char *sha1);

extern char *sha1_pack_name(const unsigned char *sha1);

extern char *sha1_pack_index_name(const unsigned char *sha1);

extern const char *find_unique_abbrev(const unsigned char *sha1, int);

extern const unsigned char null_sha1[20];

static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)

{

int i;

for (i = 0; i < 20; i++, sha1++, sha2++) {

if (*sha1 != *sha2)

return *sha1 - *sha2;

}

return 0;

}

static inline int is_null_sha1(const unsigned char *sha1)

{

return !hashcmp(sha1, null_sha1);

}

static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src)

{

memcpy(sha_dst, sha_src, 20);

}

static inline void hashclr(unsigned char *hash)

{

memset(hash, 0, 20);

}

#define EMPTY_TREE_SHA1_HEX \

"4b825dc642cb6eb9a060e54bf8d69288fbee4904"

#define EMPTY_TREE_SHA1_BIN_LITERAL \

"\x4b\x82\x5d\xc6\x42\xcb\x6e\xb9\xa0\x60" \

"\xe5\x4b\xf8\xd6\x92\x88\xfb\xee\x49\x04"

#define EMPTY_TREE_SHA1_BIN \

((const unsigned char *) EMPTY_TREE_SHA1_BIN_LITERAL)

#define EMPTY_BLOB_SHA1_HEX \

"e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"

#define EMPTY_BLOB_SHA1_BIN_LITERAL \

"\xe6\x9d\xe2\x9b\xb2\xd1\xd6\x43\x4b\x8b" \

"\x29\xae\x77\x5a\xd8\xc2\xe4\x8c\x53\x91"

#define EMPTY_BLOB_SHA1_BIN \

((const unsigned char *) EMPTY_BLOB_SHA1_BIN_LITERAL)

static inline int is_empty_blob_sha1(const unsigned char *sha1)

{

return !hashcmp(sha1, EMPTY_BLOB_SHA1_BIN);

}

int git_mkstemp(char *path, size_t n, const char *template);

int git_mkstemps(char *path, size_t n, const char *template, int suffix_len);

int git_mkstemps_mode(char *pattern, int suffix_len, int mode);

int git_mkstemp_mode(char *pattern, int mode);

enum sharedrepo {

};

int git_config_perm(const char *var, const char *value);

int set_shared_perm(const char *path, int mode);

#define adjust_shared_perm(path) set_shared_perm((path), 0)

int safe_create_leading_directories(char *path);

int safe_create_leading_directories_const(const char *path);

int mkdir_in_gitdir(const char *path);

extern void home_config_paths(char **global, char **xdg, char *file);

extern char *expand_user_path(const char *path);

const char *enter_repo(const char *path, int strict);

static inline int is_absolute_path(const char *path)

{

return is_dir_sep(path[0]) || has_dos_drive_prefix(path);

}

int is_directory(const char *);

const char *real_path(const char *path);

const char *absolute_path(const char *path);

const char *relative_path(const char *abs, const char *base);

int normalize_path_copy(char *dst, const char *src);

int longest_ancestor_length(const char *path, const char *prefix_list);

char *strip_path_suffix(const char *path, const char *suffix);

int daemon_avoid_alias(const char *path);

int offset_1st_component(const char *path);

#define READ_SHA1_FILE_REPLACE 1

extern void *read_sha1_file_extended(const unsigned char *sha1, enum object_type *type, unsigned long *size, unsigned flag);

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, READ_SHA1_FILE_REPLACE);

}

extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1);

static inline const unsigned char *lookup_replace_object(const unsigned char *sha1)

{

if (!read_replace_refs)

return sha1;

return do_lookup_replace_object(sha1);

}

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);

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(git_zstream *stream, unsigned char *map, unsigned long mapsize, void *buffer, unsigned long bufsiz);

extern int parse_sha1_header(const char *hdr, unsigned long *sizep);

extern int do_check_packed_object_crc;

extern const char *log_pack_access;

extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);

extern int move_temp_to_file(const char *tmpfile, const char *filename);

extern int has_sha1_pack(const unsigned char *sha1);

extern int has_sha1_file(const unsigned char *sha1);

extern int has_loose_object_nonlocal(const unsigned char *sha1);

extern int has_pack_index(const unsigned char *sha1);

extern void assert_sha1_type(const unsigned char *sha1, enum object_type expect);

extern const signed char hexval_table[256];

static inline unsigned int hexval(unsigned char c)

{

return hexval_table[c];

}

#define MINIMUM_ABBREV minimum_abbrev

#define DEFAULT_ABBREV default_abbrev

struct object_context {

};

#define GET_SHA1_QUIETLY 01

#define GET_SHA1_COMMIT 02

#define GET_SHA1_COMMITTISH 04

#define GET_SHA1_TREE 010

#define GET_SHA1_TREEISH 020

#define GET_SHA1_BLOB 040

#define GET_SHA1_ONLY_TO_DIE 04000

extern int get_sha1(const char *str, unsigned char *sha1);

extern int get_sha1_commit(const char *str, unsigned char *sha1);

extern int get_sha1_committish(const char *str, unsigned char *sha1);

extern int get_sha1_tree(const char *str, unsigned char *sha1);

extern int get_sha1_treeish(const char *str, unsigned char *sha1);

extern int get_sha1_blob(const char *str, unsigned char *sha1);

extern void maybe_die_on_misspelt_object_name(const char *name, const char *prefix);

extern int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *orc);

typedef int each_abbrev_fn(const unsigned char *sha1, void *);

extern int for_each_abbrev(const char *prefix, each_abbrev_fn, void *);

extern int get_sha1_hex(const char *hex, unsigned char *sha1);

extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */

extern int read_ref_full(const char *refname, unsigned char *sha1,

int reading, int *flags);

extern int read_ref(const char *refname, unsigned char *sha1);

extern const char *resolve_ref_unsafe(const char *ref, unsigned char *sha1, int reading, int *flag);

extern char *resolve_refdup(const char *ref, unsigned char *sha1, int reading, int *flag);

extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);

extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);

extern int interpret_branch_name(const char *str, struct strbuf *);

extern int get_sha1_mb(const char *str, unsigned char *sha1);

extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules);

extern const char *ref_rev_parse_rules[];

#define ref_fetch_rules ref_rev_parse_rules

extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg);

extern int validate_headref(const char *ref);

extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2);

extern int df_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2);

extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2);

extern void *read_object_with_reference(const unsigned char *sha1,

const char *required_type,

unsigned long *size,

unsigned char *sha1_ret);

extern struct object *peel_to_type(const char *name, int namelen,

struct object *o, enum object_type);

enum date_mode {

};

const char *show_date(unsigned long time, int timezone, enum date_mode mode);

void show_date_relative(unsigned long time, int tz, const struct timeval *now,

struct strbuf *timebuf);

int parse_date(const char *date, char *buf, int bufsize);

int parse_date_basic(const char *date, unsigned long *timestamp, int *offset);

void datestamp(char *buf, int bufsize);

#define approxidate(s) approxidate_careful((s), NULL)

unsigned long approxidate_careful(const char *, int *);

unsigned long approxidate_relative(const char *date, const struct timeval *now);

enum date_mode parse_date_format(const char *format);

#define IDENT_STRICT 1

#define IDENT_NO_DATE 2

#define IDENT_NO_NAME 4

extern const char *git_author_info(int);

extern const char *git_committer_info(int);

extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int);

extern const char *fmt_name(const char *name, const char *email);

extern const char *ident_default_name(void);

extern const char *ident_default_email(void);

extern const char *ident_default_date(void);

extern const char *git_editor(void);

extern const char *git_pager(int stdout_is_tty);

extern int git_ident_config(const char *, const char *, void *);

struct ident_split {

};

extern int split_ident_line(struct ident_split *, const char *, int);

struct checkout {

};

extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath);

struct cache_def {

};

extern int has_symlink_leading_path(const char *name, int len);

extern int threaded_has_symlink_leading_path(struct cache_def *, const char *, int);

extern int check_leading_path(const char *name, int len);

extern int threaded_check_leading_path(struct cache_def *cache, const char *name, int len);

extern int has_dirs_only_path(const char *name, int len, int prefix_len);

extern int threaded_has_dirs_only_path(struct cache_def *cache, const char *name, int len, int prefix_len);

extern void schedule_dir_for_removal(const char *name, int len);

extern void remove_scheduled_dirs(void);

extern struct alternate_object_database {

} *alt_odb_list;

extern void prepare_alt_odb(void);

extern void read_info_alternates(const char * relative_base, int depth);

extern void add_to_alternates_file(const char *reference);

typedef int alt_odb_fn(struct alternate_object_database *, void *);

extern void foreach_alt_odb(alt_odb_fn, void*);

struct pack_window {

};

extern struct packed_git {