#include "hash.h"
#include SHA1_HEADER
-#include <zlib.h>
+#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
+#endif
+#include <zlib.h>
#if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200
#define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
#endif
+void git_inflate_init(z_streamp strm);
+void git_inflate_end(z_streamp strm);
+int git_inflate(z_streamp strm, int flush);
+
#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)
#define DTYPE(de) ((de)->d_type)
#else
char name[FLEX_ARRAY]; /* more */
};
+/*
+ * This struct is used when CE_EXTENDED bit is 1
+ * The struct must match ondisk_cache_entry exactly from
+ * ctime till flags
+ */
+struct ondisk_cache_entry_extended {
+ struct cache_time ctime;
+ struct cache_time mtime;
+ unsigned int dev;
+ unsigned int ino;
+ unsigned int mode;
+ unsigned int uid;
+ unsigned int gid;
+ unsigned int size;
+ unsigned char sha1[20];
+ unsigned short flags;
+ unsigned short flags2;
+ char name[FLEX_ARRAY]; /* more */
+};
+
struct cache_entry {
- unsigned int ce_ctime;
- unsigned int ce_mtime;
+ struct cache_time ce_ctime;
+ struct cache_time ce_mtime;
unsigned int ce_dev;
unsigned int ce_ino;
unsigned int ce_mode;
#define CE_NAMEMASK (0x0fff)
#define CE_STAGEMASK (0x3000)
+#define CE_EXTENDED (0x4000)
#define CE_VALID (0x8000)
#define CE_STAGESHIFT 12
-/* In-memory only */
+/*
+ * Range 0xFFFF0000 in ce_flags is divided into
+ * two parts: in-memory flags and on-disk ones.
+ * Flags in CE_EXTENDED_FLAGS will get saved on-disk
+ * if you want to save a new flag, add it in
+ * CE_EXTENDED_FLAGS
+ *
+ * In-memory only flags
+ */
#define CE_UPDATE (0x10000)
#define CE_REMOVE (0x20000)
#define CE_UPTODATE (0x40000)
#define CE_HASHED (0x100000)
#define CE_UNHASHED (0x200000)
+/*
+ * Extended on-disk flags
+ */
+#define CE_INTENT_TO_ADD 0x20000000
+/* CE_EXTENDED2 is for future extension */
+#define CE_EXTENDED2 0x80000000
+
+#define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD)
+
+/*
+ * Safeguard to avoid saving wrong flags:
+ * - CE_EXTENDED2 won't get saved until its semantic is known
+ * - Bits in 0x0000FFFF have been saved in ce_flags already
+ * - Bits in 0x003F0000 are currently in-memory flags
+ */
+#if CE_EXTENDED_FLAGS & 0x803FFFFF
+#error "CE_EXTENDED_FLAGS out of range"
+#endif
+
/*
* Copy the sha1 and stat state of a cache entry from one to
* another. But we never change the name, or the hash state!
}
#define ce_size(ce) cache_entry_size(ce_namelen(ce))
-#define ondisk_ce_size(ce) ondisk_cache_entry_size(ce_namelen(ce))
+#define ondisk_ce_size(ce) (((ce)->ce_flags & CE_EXTENDED) ? \
+ ondisk_cache_entry_extended_size(ce_namelen(ce)) : \
+ ondisk_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_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE)
(S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
S_ISLNK(mode) ? S_IFLNK : S_ISDIR(mode) ? S_IFDIR : S_IFGITLINK)
-#define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7)
-#define ondisk_cache_entry_size(len) ((offsetof(struct ondisk_cache_entry,name) + (len) + 8) & ~7)
+#define flexible_size(STRUCT,len) ((offsetof(struct STRUCT,name) + (len) + 8) & ~7)
+#define cache_entry_size(len) flexible_size(cache_entry,len)
+#define ondisk_cache_entry_size(len) flexible_size(ondisk_cache_entry,len)
+#define ondisk_cache_entry_extended_size(len) flexible_size(ondisk_cache_entry_extended,len)
struct index_state {
struct cache_entry **cache;
unsigned int cache_nr, cache_alloc, cache_changed;
struct cache_tree *cache_tree;
- time_t timestamp;
+ struct cache_time timestamp;
void *alloc;
unsigned name_hash_initialized : 1,
initialized : 1;
#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))
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 char *get_object_directory(void);
extern char *get_index_file(void);
/* Initialize and use the cache information */
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(const struct index_state *, int newfd);
+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);
#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 struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really);
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_path_match(const struct cache_entry *ce, const char **pathspec);
extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path);
-extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object);
extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object);
extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
};
#define LOCK_DIE_ON_ERROR 1
#define LOCK_NODEREF 2
+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 size_t delta_base_cache_limit;
extern int auto_crlf;
extern int fsync_object_files;
+extern int core_preload_index;
enum safe_crlf {
SAFE_CRLF_FALSE = 0,
extern enum safe_crlf safe_crlf;
enum branch_track {
+ BRANCH_TRACK_UNSPECIFIED = -1,
BRANCH_TRACK_NEVER = 0,
BRANCH_TRACK_REMOTE,
BRANCH_TRACK_ALWAYS,
{
memset(hash, 0, 20);
}
+extern int is_empty_blob_sha1(const unsigned char *sha1);
+
+#define EMPTY_TREE_SHA1_HEX \
+ "4b825dc642cb6eb9a060e54bf8d69288fbee4904"
+#define EMPTY_TREE_SHA1_BIN \
+ "\x4b\x82\x5d\xc6\x42\xcb\x6e\xb9\xa0\x60" \
+ "\xe5\x4b\xf8\xd6\x92\x88\xfb\xee\x49\x04"
int git_mkstemp(char *path, size_t n, const char *template);
{
return path[0] == '/' || has_dos_drive_prefix(path);
}
+int is_directory(const char *);
const char *make_absolute_path(const char *path);
const char *make_nonrelative_path(const char *path);
const char *make_relative_path(const char *abs, const char *base);
-int normalize_absolute_path(char *buf, const char *path);
+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);
/* 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 pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
extern int force_object_loose(const unsigned char *sha1, time_t mtime);
-/* just like read_sha1_file(), but non fatal in presence of bad objects */
-extern void *read_object(const unsigned char *sha1, enum object_type *type, unsigned long *size);
+/* global flag to enable extra checks when accessing packed objects */
+extern int do_check_packed_object_crc;
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_kept_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 const char *resolve_ref(const char *path, unsigned char *sha1, int, int *);
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_nth_last_branch(const char *str, struct strbuf *);
extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules);
extern const char *ref_rev_parse_rules[];
DATE_SHORT,
DATE_LOCAL,
DATE_ISO8601,
- DATE_RFC2822
+ DATE_RFC2822,
+ DATE_RAW
};
const char *show_date(unsigned long time, int timezone, enum date_mode mode);
};
extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath);
-extern int has_symlink_leading_path(int len, const char *name);
+extern int has_symlink_leading_path(const char *name, int len);
+extern int has_symlink_or_noent_leading_path(const char *name, int len);
+extern int has_dirs_only_path(const char *name, int len, int prefix_len);
+extern void invalidate_lstat_cache(const char *name, int len);
+extern void clear_lstat_cache(void);
+extern void schedule_dir_for_removal(const char *name, int len);
+extern void remove_scheduled_dirs(void);
extern struct alternate_object_database {
struct alternate_object_database *next;
} *alt_odb_list;
extern void prepare_alt_odb(void);
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 {
struct pack_window *next;
#define REF_HEADS (1u << 1)
#define REF_TAGS (1u << 2)
-extern struct ref *find_ref_by_name(struct ref *list, const char *name);
+extern struct ref *find_ref_by_name(const struct ref *list, const char *name);
#define CONNECT_VERBOSE (1u << 0)
extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags);
extern int finish_connect(struct child_process *conn);
extern int path_match(const char *path, int nr, char **match);
extern int get_ack(int fd, unsigned char *result_sha1);
-extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags);
+struct extra_have_objects {
+ int nr, alloc;
+ unsigned char (*array)[20];
+};
+extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags, struct extra_have_objects *);
extern int server_supports(const char *feature);
extern struct packed_git *parse_pack_index(unsigned char *sha1);
extern void close_pack_windows(struct packed_git *);
extern void unuse_pack(struct pack_window **);
extern void free_pack_by_name(const char *);
+extern void clear_delta_base_cache(void);
extern struct packed_git *add_packed_git(const char *, int, int);
extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t);
extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t);
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_gently(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
+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 git_default_config(const char *, const char *, void *);
extern int git_config_from_file(config_fn_t fn, const char *, void *);
extern int git_config(config_fn_t fn, void *);
-extern int git_parse_long(const char *, long *);
extern int git_parse_ulong(const char *, unsigned long *);
extern int git_config_int(const char *, const char *);
extern unsigned long git_config_ulong(const char *, const char *);
extern const char *git_commit_encoding;
extern const char *git_log_output_encoding;
+extern const char *git_mailmap_file;
/* IO helper functions */
extern void maybe_flush_or_die(FILE *, const char *);
extern int ws_blank_line(const char *line, int len, unsigned ws_rule);
/* ls-files */
-int pathspec_match(const char **spec, char *matched, const char *filename, int skiplen);
int report_path_error(const char *ps_matched, const char **pathspec, int prefix_offset);
void overlay_tree_on_cache(const char *tree_name, const char *prefix);