diff options
Diffstat (limited to 'cache.h')
| -rw-r--r-- | cache.h | 402 |
1 files changed, 267 insertions, 135 deletions
@@ -34,6 +34,7 @@ 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_init_raw(git_zstream *, int level); void git_deflate_end(git_zstream *); int git_deflate_abort(git_zstream *); int git_deflate_end_gently(git_zstream *); @@ -105,6 +106,9 @@ struct cache_header { unsigned int hdr_entries; }; +#define INDEX_FORMAT_LB 2 +#define INDEX_FORMAT_UB 4 + /* * The "cache_time" is just the low 32 bits of the * time. It doesn't matter if it overflows - we only @@ -115,65 +119,26 @@ struct cache_time { unsigned int nsec; }; -/* - * dev/ino/uid/gid/size are also just tracked to the low 32 bits - * Again - this is just a (very strong in practice) heuristic that - * the inode hasn't changed. - * - * We save the fields in big-endian order to allow using the - * index file over NFS transparently. - */ -struct ondisk_cache_entry { - 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; - 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 stat_data { + struct cache_time sd_ctime; + struct cache_time sd_mtime; + unsigned int sd_dev; + unsigned int sd_ino; + unsigned int sd_uid; + unsigned int sd_gid; + unsigned int sd_size; }; struct cache_entry { - struct cache_time ce_ctime; - struct cache_time ce_mtime; - unsigned int ce_dev; - unsigned int ce_ino; + struct stat_data ce_stat_data; unsigned int ce_mode; - unsigned int ce_uid; - unsigned int ce_gid; - unsigned int ce_size; unsigned int ce_flags; + unsigned int ce_namelen; unsigned char sha1[20]; struct cache_entry *next; - struct cache_entry *dir_next; char name[FLEX_ARRAY]; /* more */ }; -#define CE_NAMEMASK (0x0fff) #define CE_STAGEMASK (0x3000) #define CE_EXTENDED (0x4000) #define CE_VALID (0x8000) @@ -201,6 +166,9 @@ struct cache_entry { #define CE_UNPACKED (1 << 24) #define CE_NEW_SKIP_WORKTREE (1 << 25) +/* used to temporarily mark paths matched by pathspecs */ +#define CE_MATCHED (1 << 26) + /* * Extended on-disk flags */ @@ -226,7 +194,8 @@ struct cache_entry { * another. But we never change the name, or the hash state! */ #define CE_STATE_MASK (CE_HASHED | CE_UNHASHED) -static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry *src) +static inline void copy_cache_entry(struct cache_entry *dst, + const struct cache_entry *src) { unsigned int state = dst->ce_flags & CE_STATE_MASK; @@ -237,25 +206,13 @@ static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry 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) +static inline unsigned create_ce_flags(unsigned stage) { - size_t len = ce->ce_flags & CE_NAMEMASK; - if (len < CE_NAMEMASK) - return len; - return strlen(ce->name + CE_NAMEMASK) + CE_NAMEMASK; + return (stage << CE_STAGESHIFT); } +#define ce_namelen(ce) ((ce)->ce_namelen) #define ce_size(ce) 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) @@ -270,7 +227,8 @@ static inline unsigned int create_ce_mode(unsigned int 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) +static inline unsigned int ce_mode_from_stat(const struct cache_entry *ce, + unsigned int mode) { extern int trust_executable_bit, has_symlinks; if (!has_symlinks && S_ISREG(mode) && @@ -306,13 +264,11 @@ static inline unsigned int canon_mode(unsigned int mode) return S_IFGITLINK; } -#define flexible_size(STRUCT,len) ((offsetof(struct STRUCT,name) + (len) + 8) & ~7) #define cache_entry_size(len) (offsetof(struct cache_entry,name) + (len) + 1) -#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 version; unsigned int cache_nr, cache_alloc, cache_changed; struct string_list *resolve_undo; struct cache_tree *cache_tree; @@ -320,25 +276,15 @@ struct index_state { unsigned name_hash_initialized : 1, initialized : 1; struct hash_table name_hash; + struct hash_table dir_hash; }; extern struct index_state the_index; /* Name hashing */ extern void add_name_hash(struct index_state *istate, struct cache_entry *ce); -/* - * We don't actually *remove* it, we can just mark it invalid so that - * we won't find it in lookups. - * - * Not only would we have to search the lists (simple enough), but - * we'd also have to rehash other hash buckets in case this makes the - * hash bucket empty (common). So it's much better to just mark - * it. - */ -static inline void remove_name_hash(struct cache_entry *ce) -{ - ce->ce_flags |= CE_UNHASHED; -} +extern void remove_name_hash(struct index_state *istate, struct cache_entry *ce); +extern void free_name_hash(struct index_state *istate); #ifndef NO_THE_INDEX_COMPATIBILITY_MACROS @@ -371,6 +317,7 @@ static inline void remove_name_hash(struct cache_entry *ce) #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) +#define read_blob_data_from_cache(path, sz) read_blob_data_from_index(&the_index, (path), (sz)) #endif enum object_type { @@ -394,9 +341,11 @@ static inline enum object_type object_type(unsigned int mode) OBJ_BLOB; } +/* Double-check local_repo_env below if you add to this list. */ #define GIT_DIR_ENVIRONMENT "GIT_DIR" #define GIT_NAMESPACE_ENVIRONMENT "GIT_NAMESPACE" #define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE" +#define GIT_PREFIX_ENVIRONMENT "GIT_PREFIX" #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" @@ -415,15 +364,27 @@ static inline enum object_type object_type(unsigned int mode) #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 GIT_LITERAL_PATHSPECS_ENVIRONMENT "GIT_LITERAL_PATHSPECS" + +/* + * This environment variable is expected to contain a boolean indicating + * whether we should or should not treat: + * + * GIT_DIR=foo.git git ... + * + * as if GIT_WORK_TREE=. was given. It's not expected that users will make use + * of this, but we use it internally to communicate to sub-processes that we + * are in a bare repo. If not set, defaults to true. + */ +#define GIT_IMPLICIT_WORK_TREE_ENVIRONMENT "GIT_IMPLICIT_WORK_TREE" /* - * 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. + * Repository-local GIT_* environment variables; these will be cleared + * when git spawns a sub-process that runs inside another repository. + * The array is NULL-terminated, which makes it easy to pass in the "env" + * parameter of a run-command invocation, or to do a simple walk. */ -#define LOCAL_REPO_ENV_SIZE 9 -extern const char *const local_repo_env[LOCAL_REPO_ENV_SIZE + 1]; +extern const char * const local_repo_env[]; extern int is_bare_repository_cfg; extern int is_bare_repository(void); @@ -432,6 +393,7 @@ 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); @@ -452,14 +414,19 @@ 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); +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); +extern void sanitize_stdfds(void); + #define alloc_nr(x) (((x)+16)*3/2) /* @@ -507,11 +474,13 @@ extern int remove_file_from_index(struct index_state *, const char *path); #define ADD_CACHE_IGNORE_ERRORS 4 #define ADD_CACHE_IGNORE_REMOVAL 8 #define ADD_CACHE_INTENT 16 +#define ADD_CACHE_IMPLICIT_DOT 32 /* internal to "git add -u/-A" */ 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 ce_same_name(const struct cache_entry *a, const struct cache_entry *b); extern int index_name_is_other(const struct index_state *, const char *, int); +extern void *read_blob_data_from_index(struct index_state *, const char *, unsigned long *); /* do stat comparison even if CE_VALID is true */ #define CE_MATCH_IGNORE_VALID 01 @@ -519,8 +488,10 @@ extern int index_name_is_other(const struct index_state *, const char *, int); #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 ie_match_stat(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int); +extern int ie_modified(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int); + +#define PATHSPEC_ONESTAR 1 /* the pathspec pattern satisfies GFNM_ONESTAR */ struct pathspec { const char **raw; /* get_pathspec() result, not freed by free_pathspec() */ @@ -531,7 +502,8 @@ struct pathspec { struct pathspec_item { const char *match; int len; - unsigned int use_wildcard:1; + int nowildcard_len; + int flags; } *items; }; @@ -539,10 +511,27 @@ 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); +extern int limit_pathspec_to_literal(void); + #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); + +/* + * Record to sd the data from st that we use to check whether a file + * might have changed. + */ +extern void fill_stat_data(struct stat_data *sd, struct stat *st); + +/* + * Return 0 if st is consistent with a file not having been changed + * since sd was filled. If there are differences, return a + * combination of MTIME_CHANGED, CTIME_CHANGED, OWNER_CHANGED, + * INODE_CHANGED, and DATA_CHANGED. + */ +extern int match_stat_data(const struct stat_data *sd, struct stat *st); + extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); #define REFRESH_REALLY 0x0001 /* ignore_valid */ @@ -579,6 +568,7 @@ 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 check_stat; extern int quote_path_fully; extern int has_symlinks; extern int minimum_abbrev, default_abbrev; @@ -587,6 +577,7 @@ extern int assume_unchanged; extern int prefer_symlink_refs; extern int log_all_ref_updates; extern int warn_ambiguous_refs; +extern int warn_on_object_refname_ambiguity; extern int shared_repository; extern const char *apply_default_whitespace; extern const char *apply_default_ignorewhitespace; @@ -603,6 +594,13 @@ 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; + +/* + * The character that begins a commented line in user-editable file + * that is subject to stripspace. + */ +extern char comment_line_char; enum branch_track { BRANCH_TRACK_UNSPECIFIED = -1, @@ -623,8 +621,10 @@ enum rebase_setup_type { enum push_default_type { PUSH_DEFAULT_NOTHING = 0, PUSH_DEFAULT_MATCHING, + PUSH_DEFAULT_SIMPLE, PUSH_DEFAULT_UPSTREAM, - PUSH_DEFAULT_CURRENT + PUSH_DEFAULT_CURRENT, + PUSH_DEFAULT_UNSPECIFIED }; extern enum branch_track git_branch_track; @@ -660,6 +660,8 @@ 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))); /* Return a statically allocated filename matching the sha1 signature */ extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); @@ -707,6 +709,19 @@ static inline void hashclr(unsigned char *hash) #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); @@ -731,11 +746,11 @@ enum sharedrepo { PERM_EVERYBODY = 0664 }; 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 adjust_shared_perm(const char *path); 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) @@ -744,10 +759,11 @@ static inline int is_absolute_path(const char *path) } int is_directory(const char *); const char *real_path(const char *path); +const char *real_path_if_valid(const char *path); const char *absolute_path(const char *path); -const char *relative_path(const char *abs, const char *base); +const char *relative_path(const char *in, const char *prefix, struct strbuf *sb); int normalize_path_copy(char *dst, const char *src); -int longest_ancestor_length(const char *path, const char *prefix_list); +int longest_ancestor_length(const char *path, struct string_list *prefixes); char *strip_path_suffix(const char *path, const char *suffix); int daemon_avoid_alias(const char *path); int offset_1st_component(const char *path); @@ -780,9 +796,6 @@ extern int parse_sha1_header(const char *hdr, unsigned long *sizep); /* global flag to enable extra checks when accessing packed objects */ extern int do_check_packed_object_crc; -/* for development: log offset of pack access */ -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); @@ -811,17 +824,25 @@ struct object_context { unsigned mode; }; +#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_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_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 *); /* * Try to read a SHA1 in hexadecimal format from the 40 characters @@ -885,6 +906,7 @@ 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 int cache_name_stage_compare(const char *name1, int len1, int stage1, const char *name2, int len2, int stage2); extern void *read_object_with_reference(const unsigned char *sha1, const char *required_type, @@ -905,27 +927,44 @@ enum date_mode { }; 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); +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); +int parse_expiry_date(const char *date, unsigned long *timestamp); 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_WARN_ON_NO_NAME 1 -#define IDENT_ERROR_ON_NO_NAME 2 -#define IDENT_NO_DATE 4 +#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_email(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 { + const char *name_begin; + const char *name_end; + const char *mail_begin; + const char *mail_end; + const char *date_begin; + const char *date_end; + const char *tz_begin; + const char *tz_end; +}; +/* + * Signals an success with 0, but time part of the result may be NULL + * if the input lacks timestamp and zone + */ +extern int split_ident_line(struct ident_split *, const char *, int); struct checkout { const char *base_dir; @@ -959,6 +998,7 @@ extern struct alternate_object_database { char base[FLEX_ARRAY]; /* more */ } *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*); @@ -1003,15 +1043,32 @@ struct ref { unsigned char old_sha1[20]; unsigned char new_sha1[20]; char *symref; - unsigned int force:1, - merge:1, - nonfastforward:1, - deletion:1; + unsigned int + force:1, + forced_update:1, + deletion:1, + matched:1; + + /* + * Order is important here, as we write to FETCH_HEAD + * in numeric order. And the default NOT_FOR_MERGE + * should be 0, so that xcalloc'd structures get it + * by default. + */ + enum { + FETCH_HEAD_MERGE = -1, + FETCH_HEAD_NOT_FOR_MERGE = 0, + FETCH_HEAD_IGNORE = 1 + } fetch_head_status; + enum { REF_STATUS_NONE = 0, REF_STATUS_OK, REF_STATUS_REJECT_NONFASTFORWARD, + REF_STATUS_REJECT_ALREADY_EXISTS, REF_STATUS_REJECT_NODELETE, + REF_STATUS_REJECT_FETCH_FIRST, + REF_STATUS_REJECT_NEEDS_FORCE, REF_STATUS_UPTODATE, REF_STATUS_REMOTE_REJECT, REF_STATUS_EXPECTING_REPORT @@ -1035,11 +1092,19 @@ struct extra_have_objects { int nr, alloc; unsigned char (*array)[20]; }; -extern struct ref **get_remote_heads(int in, struct ref **list, unsigned int flags, struct extra_have_objects *); +extern struct ref **get_remote_heads(int in, char *src_buf, size_t src_len, + struct ref **list, unsigned int flags, + struct extra_have_objects *); extern int server_supports(const char *feature); +extern int parse_feature_request(const char *features, const char *feature); +extern const char *server_feature_value(const char *feature, int *len_ret); +extern const char *parse_feature_value(const char *feature_list, const char *feature, int *len_ret); extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path); +/* A hook for count-objects to report invalid files in pack directory */ +extern void (*report_garbage)(const char *desc, const char *path); + extern void prepare_packed_git(void); extern void reprepare_packed_git(void); extern void install_packed_git(struct packed_git *pack); @@ -1067,7 +1132,9 @@ extern int unpack_object_header(struct packed_git *, struct pack_window **, off_ struct object_info { /* Request */ + enum object_type *typep; unsigned long *sizep; + unsigned long *disk_sizep; /* Response */ enum { @@ -1106,13 +1173,20 @@ extern int update_server_info(int); #define CONFIG_NO_WRITE 4 #define CONFIG_NOTHING_SET 5 #define CONFIG_INVALID_PATTERN 6 +#define CONFIG_GENERIC_ERROR 7 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 int git_config_from_buf(config_fn_t fn, const char *name, + const char *buf, size_t len, void *data); 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_config_with_options(config_fn_t fn, void *, + const char *filename, + const char *blob_ref, + int respect_includes); 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 *); @@ -1128,30 +1202,50 @@ 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_set_multivar_in_file(const char *, const char *, const char *, const char *, int); extern int git_config_rename_section(const char *, const char *); +extern int git_config_rename_section_in_file(const char *, 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 config_error_nonbool(const char *); +#if defined(__GNUC__) && ! defined(__clang__) +#define config_error_nonbool(s) (config_error_nonbool(s), -1) +#endif extern const char *get_log_output_encoding(void); extern const char *get_commit_output_encoding(void); extern int git_config_parse_parameter(const char *, config_fn_t fn, void *data); -extern const char *config_exclusive_filename; +struct config_include_data { + int depth; + config_fn_t fn; + void *data; +}; +#define CONFIG_INCLUDE_INIT { 0 } +extern int git_config_include(const char *name, const char *value, void *data); + +/* + * Match and parse a config key of the form: + * + * section.(subsection.)?key + * + * (i.e., what gets handed to a config_fn_t). The caller provides the section; + * we return -1 if it does not match, 0 otherwise. The subsection and key + * out-parameters are filled by the function (and subsection is NULL if it is + * missing). + */ +extern int parse_config_key(const char *var, + const char *section, + const char **subsection, int *subsection_len, + const char **key); -#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 int committer_ident_sufficiently_given(void); +extern int author_ident_sufficiently_given(void); extern const char *git_commit_encoding; extern const char *git_log_output_encoding; extern const char *git_mailmap_file; +extern const char *git_mailmap_blob; /* IO helper functions */ extern void maybe_flush_or_die(FILE *, const char *); @@ -1175,6 +1269,9 @@ extern void setup_pager(void); extern const char *pager_program; extern int pager_in_use(void); extern int pager_use_color; +extern int term_columns(void); +extern int decimal_width(int); +extern int check_pager_config(const char *cmd); extern const char *editor_program; extern const char *askpass_program; @@ -1195,7 +1292,6 @@ 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); @@ -1258,7 +1354,43 @@ struct startup_info { }; extern struct startup_info *startup_info; -/* builtin/merge.c */ -int checkout_fast_forward(const unsigned char *from, const unsigned char *to); +/* merge.c */ +struct commit_list; +int try_merge_command(const char *strategy, size_t xopts_nr, + const char **xopts, struct commit_list *common, + const char *head_arg, struct commit_list *remotes); +int checkout_fast_forward(const unsigned char *from, + const unsigned char *to, + int overwrite_ignore); + + +int sane_execvp(const char *file, char *const argv[]); + +/* + * A struct to encapsulate the concept of whether a file has changed + * since we last checked it. This uses criteria similar to those used + * for the index. + */ +struct stat_validity { + struct stat_data *sd; +}; + +void stat_validity_clear(struct stat_validity *sv); + +/* + * Returns 1 if the path is a regular file (or a symlink to a regular + * file) and matches the saved stat_validity, 0 otherwise. A missing + * or inaccessible file is considered a match if the struct was just + * initialized, or if the previous update found an inaccessible file. + */ +int stat_validity_check(struct stat_validity *sv, const char *path); + +/* + * Update the stat_validity from a file opened at descriptor fd. If + * the file is missing, inaccessible, or not a regular file, then + * future calls to stat_validity_check will match iff one of those + * conditions continues to be true. + */ +void stat_validity_update(struct stat_validity *sv, int fd); #endif /* CACHE_H */ |