diff options
Diffstat (limited to 'cache.h')
| -rw-r--r-- | cache.h | 527 |
1 files changed, 446 insertions, 81 deletions
@@ -4,14 +4,40 @@ #include "git-compat-util.h" #include "strbuf.h" #include "hash.h" +#include "advice.h" +#include "gettext.h" #include SHA1_HEADER -#include <zlib.h> - -#if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200 -#define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) +#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> +typedef struct git_zstream { + z_stream z; + unsigned long avail_in; + unsigned long avail_out; + unsigned long total_in; + unsigned long total_out; + unsigned char *next_in; + unsigned char *next_out; +} 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_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) #else @@ -109,9 +135,29 @@ struct ondisk_cache_entry { 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; @@ -126,17 +172,51 @@ struct cache_entry { #define CE_NAMEMASK (0x0fff) #define CE_STAGEMASK (0x3000) +#define CE_EXTENDED (0x4000) #define CE_VALID (0x8000) #define CE_STAGESHIFT 12 -/* In-memory only */ -#define CE_UPDATE (0x10000) -#define CE_REMOVE (0x20000) -#define CE_UPTODATE (0x40000) -#define CE_ADDED (0x80000) +/* + * 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 (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) + +/* + * Extended on-disk flags + */ +#define CE_INTENT_TO_ADD (1 << 29) +#define CE_SKIP_WORKTREE (1 << 30) +/* CE_EXTENDED2 is for future extension */ +#define CE_EXTENDED2 (1 << 31) -#define CE_HASHED (0x100000) -#define CE_UNHASHED (0x200000) +#define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD | CE_SKIP_WORKTREE) + +/* + * 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 @@ -170,9 +250,12 @@ static inline size_t ce_namelen(const struct cache_entry *ce) } #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_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) @@ -209,20 +292,31 @@ static inline int ce_to_dtype(const struct cache_entry *ce) else return DT_UNKNOWN; } -#define canon_mode(mode) \ - (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \ - S_ISLNK(mode) ? S_IFLNK : S_ISDIR(mode) ? S_IFDIR : S_IFGITLINK) +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) + 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 string_list *resolve_undo; struct cache_tree *cache_tree; - time_t timestamp; + struct cache_time timestamp; void *alloc; - unsigned name_hash_initialized : 1; + unsigned name_hash_initialized : 1, + initialized : 1; struct hash_table name_hash; }; @@ -254,20 +348,27 @@ static inline void remove_name_hash(struct cache_entry *ce) #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) +#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) #endif enum object_type { @@ -281,7 +382,7 @@ enum object_type { OBJ_OFS_DELTA = 6, OBJ_REF_DELTA = 7, OBJ_ANY, - OBJ_MAX, + OBJ_MAX }; static inline enum object_type object_type(unsigned int mode) @@ -299,17 +400,34 @@ static inline enum object_type object_type(unsigned int mode) #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" + +/* + * Repository-local GIT_* environment variables + * The array is NULL-terminated to simplify its usage in contexts such + * environment creation or simple walk of the list. + * The number of non-NULL entries is available as a macro. + */ +#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 char *get_object_directory(void); extern char *get_index_file(void); @@ -325,13 +443,15 @@ 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 const char *prefix_path(const char *prefix, int len, const char *path); +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); extern void verify_non_filename(const char *prefix, const char *name); #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) @@ -341,7 +461,7 @@ extern int init_db(const char *template_dir, unsigned int flags); * at least 'nr' entries; the number of entries currently allocated * is 'alloc', using the standard growing factor alloc_nr() macro. * - * DO NOT USE any expression with side-effect for 'x' or 'alloc'. + * DO NOT USE any expression with side-effect for 'x', 'nr', or 'alloc'. */ #define ALLOC_GROW(x, nr, alloc) \ do { \ @@ -352,13 +472,15 @@ extern int init_db(const char *template_dir, unsigned int flags); alloc = alloc_nr(alloc); \ x = xrealloc((x), alloc * sizeof(*(x))); \ } \ - } while(0) + } while (0) /* 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); @@ -368,29 +490,53 @@ extern int index_name_pos(const struct index_state *, const char *name, int name #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_same_name(struct cache_entry *a, struct cache_entry *b); +extern int index_name_is_other(const struct index_state *, const char *, int); /* do stat comparison even if CE_VALID is true */ #define CE_MATCH_IGNORE_VALID 01 /* do not check the contents but report dirty on racily-clean entries */ -#define CE_MATCH_RACY_IS_DIRTY 02 +#define CE_MATCH_RACY_IS_DIRTY 02 +/* do stat comparison even if CE_SKIP_WORKTREE is true */ +#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); -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); +struct pathspec { + const char **raw; /* get_pathspec() result, not freed by free_pathspec() */ + int nr; + unsigned int has_wildcard:1; + unsigned int recursive:1; + int max_depth; + struct pathspec_item { + const char *match; + int len; + unsigned int use_wildcard:1; + } *items; +}; + +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 */ @@ -398,8 +544,8 @@ extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); #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_SAY_CHANGED 0x0020 /* say "changed" not "needs update" */ -extern int refresh_index(struct index_state *, unsigned int flags, const char **pathspec, char *seen); +#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 { struct lock_file *next; @@ -408,21 +554,28 @@ struct lock_file { char on_list; char filename[PATH_MAX]; }; +#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); +extern int delete_ref(const char *, const unsigned char *sha1, int delopt); /* Environment bits from configuration mechanism */ 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; @@ -430,39 +583,85 @@ 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 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 int auto_crlf; +extern unsigned long big_file_threshold; +extern int read_replace_refs; extern int fsync_object_files; +extern int core_preload_index; +extern int core_apply_sparse_checkout; enum safe_crlf { SAFE_CRLF_FALSE = 0, SAFE_CRLF_FAIL = 1, - SAFE_CRLF_WARN = 2, + SAFE_CRLF_WARN = 2 }; extern enum safe_crlf safe_crlf; +enum auto_crlf { + AUTO_CRLF_FALSE = 0, + AUTO_CRLF_TRUE = 1, + AUTO_CRLF_INPUT = -1 +}; + +extern enum auto_crlf auto_crlf; + +enum eol { + EOL_UNSET, + EOL_CRLF, + EOL_LF, +#ifdef NATIVE_CRLF + EOL_NATIVE = EOL_CRLF +#else + EOL_NATIVE = EOL_LF +#endif +}; + +extern enum eol core_eol; + enum branch_track { + BRANCH_TRACK_UNSPECIFIED = -1, BRANCH_TRACK_NEVER = 0, BRANCH_TRACK_REMOTE, BRANCH_TRACK_ALWAYS, BRANCH_TRACK_EXPLICIT, + BRANCH_TRACK_OVERRIDE }; enum rebase_setup_type { AUTOREBASE_NEVER = 0, AUTOREBASE_LOCAL, AUTOREBASE_REMOTE, - AUTOREBASE_ALWAYS, + AUTOREBASE_ALWAYS +}; + +enum push_default_type { + PUSH_DEFAULT_NOTHING = 0, + PUSH_DEFAULT_MATCHING, + PUSH_DEFAULT_UPSTREAM, + PUSH_DEFAULT_CURRENT }; 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; @@ -476,22 +675,42 @@ extern int check_repository_format(void); #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))); + /* Return a statically allocated filename matching the sha1 signature */ 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 is_null_sha1(const unsigned char *sha1) + +static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) { - return !memcmp(sha1, null_sha1, 20); + int i; + + for (i = 0; i < 20; i++, sha1++, sha2++) { + if (*sha1 != *sha2) + return *sha1 - *sha2; + } + + return 0; } -static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) + +static inline int is_null_sha1(const unsigned char *sha1) { - return memcmp(sha1, sha2, 20); + return !hashcmp(sha1, null_sha1); } + static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) { memcpy(sha_dst, sha_src, 20); @@ -501,8 +720,22 @@ 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) + 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); + +/* set default permissions by passing mode arguments to open(2) */ +int git_mkstemps_mode(char *pattern, int suffix_len, int mode); +int git_mkstemp_mode(char *pattern, int mode); + /* * NOTE NOTE NOTE!! * @@ -516,44 +749,67 @@ enum sharedrepo { OLD_PERM_GROUP = 1, OLD_PERM_EVERYBODY = 2, PERM_GROUP = 0660, - PERM_EVERYBODY = 0664, + PERM_EVERYBODY = 0664 }; int git_config_perm(const char *var, const char *value); -int adjust_shared_perm(const char *path); +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 char *expand_user_path(const char *path); char *enter_repo(char *path, int strict); static inline int is_absolute_path(const char *path) { return path[0] == '/' || has_dos_drive_prefix(path); } -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 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); + +/* object replacement */ +#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); +} /* 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 void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size); extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1); -extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_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); -/* 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, const char **ignore); +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_file(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) { @@ -561,17 +817,34 @@ static inline unsigned int hexval(unsigned char c) } /* Convert to/from hex/sha1 representation */ -#define MINIMUM_ABBREV 4 -#define DEFAULT_ABBREV 7 +#define MINIMUM_ABBREV minimum_abbrev +#define DEFAULT_ABBREV default_abbrev + +struct object_context { + unsigned char tree[20]; + char path[PATH_MAX]; + unsigned mode; +}; extern int get_sha1(const char *str, unsigned char *sha1); -extern int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode); +extern int get_sha1_with_mode_1(const char *str, unsigned char *sha1, unsigned *mode, int only_to_die, const char *prefix); +static inline int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode) +{ + return get_sha1_with_mode_1(str, sha1, mode, 0, NULL); +} +extern int get_sha1_with_context_1(const char *name, unsigned char *sha1, struct object_context *orc, int only_to_die, const char *prefix); +static inline int get_sha1_with_context(const char *str, unsigned char *sha1, struct object_context *orc) +{ + return get_sha1_with_context_1(str, sha1, orc, 0, NULL); +} 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(const char *filename, 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_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[]; @@ -598,13 +871,21 @@ enum date_mode { 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); +const char *show_date_relative(unsigned long time, int tz, + const struct timeval *now, + char *timebuf, + size_t timebuf_size); 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); -unsigned long approxidate(const char *); +#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_WARN_ON_NO_NAME 1 @@ -614,6 +895,8 @@ 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 *git_editor(void); +extern const char *git_pager(int stdout_is_tty); struct checkout { const char *base_dir; @@ -625,7 +908,21 @@ struct checkout { }; 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); + +struct cache_def { + char path[PATH_MAX + 1]; + int len; + int flags; + int track_flags; + int prefix_len_stat_func; +}; + +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 has_dirs_only_path(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 { struct alternate_object_database *next; @@ -634,6 +931,8 @@ extern struct alternate_object_database { } *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; @@ -656,7 +955,9 @@ extern struct packed_git { int index_version; time_t mtime; int pack_fd; - int pack_local; + unsigned pack_local:1, + pack_keep:1, + do_not_close:1; unsigned char sha1[20]; /* something like ".git/objects/pack/xxxxx.pack" */ char pack_name[FLEX_ARRAY]; /* more */ @@ -684,7 +985,7 @@ struct ref { REF_STATUS_REJECT_NODELETE, REF_STATUS_UPTODATE, REF_STATUS_REMOTE_REJECT, - REF_STATUS_EXPECTING_REPORT, + REF_STATUS_EXPECTING_REPORT } status; char *remote_status; struct ref *peer_ref; /* when renaming */ @@ -695,17 +996,22 @@ struct ref { #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 char *git_getpass(const char *prompt); 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 git_connection_is_socket(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 struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path); extern void prepare_packed_git(void); extern void reprepare_packed_git(void); @@ -716,62 +1022,93 @@ extern struct packed_git *find_sha1_pack(const unsigned char *sha1, extern void pack_report(void); extern int open_pack_index(struct packed_git *); -extern unsigned char* use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *); +extern void close_pack_index(struct packed_git *); +extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned long *); 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 matches_pack_name(struct packed_git *p, const char *name); /* Dumb servers support */ extern int update_server_info(int); +/* git_config_parse_key() returns these negated: */ +#define CONFIG_INVALID_KEY 1 +#define CONFIG_NO_SECTION_OR_NAME 2 +/* git_config_set(), git_config_set_multivar() return the above or these: */ +#define CONFIG_NO_LOCK -1 +#define CONFIG_INVALID_FILE 3 +#define CONFIG_NO_WRITE 4 +#define CONFIG_NOTHING_SET 5 +#define CONFIG_INVALID_PATTERN 6 + typedef int (*config_fn_t)(const char *, const char *, void *); extern int git_default_config(const char *, const char *, void *); extern int git_config_from_file(config_fn_t fn, const char *, void *); +extern void git_config_push_parameter(const char *text); +extern int git_config_from_parameters(config_fn_t fn, void *data); extern int git_config(config_fn_t fn, void *); -extern int git_parse_long(const char *, long *); +extern int git_config_early(config_fn_t fn, void *, const char *repo_config); 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 int git_config_bool_or_int(const char *, const char *, int *); extern int git_config_bool(const char *, const char *); +extern int git_config_maybe_bool(const char *, const char *); extern int git_config_string(const char **, const char *, const char *); +extern int git_config_pathname(const char **, const char *, const char *); extern int git_config_set(const char *, const char *); +extern int git_config_parse_key(const char *, char **, int *); extern int git_config_set_multivar(const char *, const char *, const char *, int); extern int git_config_rename_section(const char *, const char *); extern const char *git_etc_gitconfig(void); extern int check_repository_format_version(const char *var, const char *value, void *cb); +extern int git_env_bool(const char *, int); extern int git_config_system(void); -extern int git_config_global(void); extern int config_error_nonbool(const char *); +extern const char *get_log_output_encoding(void); +extern const char *get_commit_output_encoding(void); + extern const char *config_exclusive_filename; #define MAX_GITNAME (1000) extern char git_default_email[MAX_GITNAME]; extern char git_default_name[MAX_GITNAME]; +#define IDENT_NAME_GIVEN 01 +#define IDENT_MAIL_GIVEN 02 +#define IDENT_ALL_GIVEN (IDENT_NAME_GIVEN|IDENT_MAIL_GIVEN) extern int user_ident_explicitly_given; +extern int user_ident_sufficiently_given(void); 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 copy_fd(int ifd, int ofd); extern int copy_file(const char *dst, const char *src, int mode); -extern ssize_t read_in_full(int fd, void *buf, size_t count); -extern ssize_t write_in_full(int fd, const void *buf, size_t count); +extern int copy_file_with_time(const char *dst, const char *src, int mode); extern void write_or_die(int fd, const void *buf, size_t count); extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg); extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg); extern void fsync_or_die(int fd, const char *); +extern ssize_t read_in_full(int fd, void *buf, size_t count); +extern ssize_t write_in_full(int fd, const void *buf, size_t count); +static inline ssize_t write_str_in_full(int fd, const char *str) +{ + return write_in_full(fd, str, strlen(str)); +} + /* pager.c */ extern void setup_pager(void); extern const char *pager_program; @@ -779,6 +1116,7 @@ extern int pager_in_use(void); extern int pager_use_color; extern const char *editor_program; +extern const char *askpass_program; extern const char *excludes_file; /* base85 */ @@ -794,14 +1132,23 @@ extern void *alloc_object_node(void); extern void alloc_report(void); /* trace.c */ +__attribute__((format (printf, 1, 2))) extern void trace_printf(const char *format, ...); +extern void trace_vprintf(const char *key, const char *format, va_list ap); +__attribute__((format (printf, 2, 3))) extern void trace_argv_printf(const char **argv, const char *format, ...); +extern void trace_repo_setup(const char *prefix); +extern int trace_want(const char *key); +extern void trace_strbuf(const char *key, const struct strbuf *buf); + +void packet_trace_identity(const char *prog); /* convert.c */ /* returns 1 if *dst was used */ 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); /* add */ /* @@ -815,31 +1162,49 @@ extern int diff_auto_refresh_index; /* match-trees.c */ void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int); +void shift_tree_by(const unsigned char *, const unsigned char *, unsigned char *, const char *); /* * whitespace rules. * used by both diff and apply + * last two digits are tab width */ -#define WS_TRAILING_SPACE 01 -#define WS_SPACE_BEFORE_TAB 02 -#define WS_INDENT_WITH_NON_TAB 04 -#define WS_CR_AT_EOL 010 -#define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB) +#define WS_BLANK_AT_EOL 0100 +#define WS_SPACE_BEFORE_TAB 0200 +#define WS_INDENT_WITH_NON_TAB 0400 +#define WS_CR_AT_EOL 01000 +#define WS_BLANK_AT_EOF 02000 +#define WS_TAB_IN_INDENT 04000 +#define WS_TRAILING_SPACE (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF) +#define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB|8) +#define WS_TAB_WIDTH_MASK 077 extern unsigned whitespace_rule_cfg; extern unsigned whitespace_rule(const char *); extern unsigned parse_whitespace_rule(const char *); extern unsigned ws_check(const char *line, int len, unsigned ws_rule); extern void ws_check_emit(const char *line, int len, unsigned ws_rule, FILE *stream, const char *set, const char *reset, const char *ws); extern char *whitespace_error_string(unsigned ws); -extern int ws_fix_copy(char *, const char *, int, unsigned, int *); +extern void ws_fix_copy(struct strbuf *, const char *, int, unsigned, int *); extern int ws_blank_line(const char *line, int len, unsigned ws_rule); +#define ws_tab_width(rule) ((rule) & WS_TAB_WIDTH_MASK) /* 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); char *alias_lookup(const char *alias); int split_cmdline(char *cmdline, const char ***argv); +/* Takes a negative value returned by split_cmdline */ +const char *split_cmdline_strerror(int cmdline_errno); + +/* git.c */ +struct startup_info { + int have_repository; + const char *prefix; +}; +extern struct startup_info *startup_info; + +/* builtin/merge.c */ +int checkout_fast_forward(const unsigned char *from, const unsigned char *to); #endif /* CACHE_H */ |