summaryrefslogtreecommitdiff
path: root/cache.h
diff options
context:
space:
mode:
Diffstat (limited to 'cache.h')
-rw-r--r--cache.h82
1 files changed, 59 insertions, 23 deletions
diff --git a/cache.h b/cache.h
index ce377e1354..4c0043113c 100644
--- a/cache.h
+++ b/cache.h
@@ -3,7 +3,7 @@
#include "git-compat-util.h"
#include "strbuf.h"
-#include "hash.h"
+#include "hashmap.h"
#include "advice.h"
#include "gettext.h"
#include "convert.h"
@@ -130,12 +130,12 @@ struct stat_data {
};
struct cache_entry {
+ struct hashmap_entry ent;
struct stat_data ce_stat_data;
unsigned int ce_mode;
unsigned int ce_flags;
unsigned int ce_namelen;
unsigned char sha1[20];
- struct cache_entry *next;
char name[FLEX_ARRAY]; /* more */
};
@@ -159,7 +159,6 @@ struct cache_entry {
#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)
@@ -195,17 +194,18 @@ struct pathspec;
* 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_STATE_MASK (CE_HASHED | CE_UNHASHED)
static inline void copy_cache_entry(struct cache_entry *dst,
const struct cache_entry *src)
{
- unsigned int state = dst->ce_flags & CE_STATE_MASK;
+ unsigned int state = dst->ce_flags & CE_HASHED;
/* Don't copy hash chain and name */
- memcpy(dst, src, offsetof(struct cache_entry, next));
+ memcpy(&dst->ce_stat_data, &src->ce_stat_data,
+ offsetof(struct cache_entry, name) -
+ offsetof(struct cache_entry, ce_stat_data));
/* Restore the hash state */
- dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state;
+ dst->ce_flags = (dst->ce_flags & ~CE_HASHED) | state;
}
static inline unsigned create_ce_flags(unsigned stage)
@@ -277,8 +277,8 @@ struct index_state {
struct cache_time timestamp;
unsigned name_hash_initialized : 1,
initialized : 1;
- struct hash_table name_hash;
- struct hash_table dir_hash;
+ struct hashmap name_hash;
+ struct hashmap dir_hash;
};
extern struct index_state the_index;
@@ -316,7 +316,6 @@ extern void free_name_hash(struct index_state *istate);
#define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options))
#define cache_dir_exists(name, namelen) index_dir_exists(&the_index, (name), (namelen))
#define cache_file_exists(name, namelen, igncase) index_file_exists(&the_index, (name), (namelen), (igncase))
-#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)
@@ -354,6 +353,7 @@ static inline enum object_type object_type(unsigned int mode)
#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
#define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
#define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"
+#define GIT_SHALLOW_FILE_ENVIRONMENT "GIT_SHALLOW_FILE"
#define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR"
#define CONFIG_ENVIRONMENT "GIT_CONFIG"
#define CONFIG_DATA_ENVIRONMENT "GIT_CONFIG_PARAMETERS"
@@ -433,6 +433,7 @@ 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);
+extern int daemonize(void);
#define alloc_nr(x) (((x)+16)*3/2)
@@ -466,7 +467,6 @@ extern int unmerged_index(const struct index_state *);
extern int verify_path(const char *path);
extern struct cache_entry *index_dir_exists(struct index_state *istate, const char *name, int namelen);
extern struct cache_entry *index_file_exists(struct index_state *istate, const char *name, int namelen, int igncase);
-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 */
@@ -483,11 +483,11 @@ 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 struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, unsigned int refresh_options);
extern int ce_same_name(const struct cache_entry *a, const struct cache_entry *b);
+extern void set_object_name_for_intent_to_add_entry(struct cache_entry *ce);
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 *);
@@ -497,11 +497,13 @@ extern void *read_blob_data_from_index(struct index_state *, const char *, unsig
#define CE_MATCH_RACY_IS_DIRTY 02
/* do stat comparison even if CE_SKIP_WORKTREE is true */
#define CE_MATCH_IGNORE_SKIP_WORKTREE 04
+/* ignore non-existent files during stat update */
+#define CE_MATCH_IGNORE_MISSING 0x08
+/* enable stat refresh */
+#define CE_MATCH_REFRESH 0x10
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);
-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);
@@ -736,8 +738,29 @@ enum sharedrepo {
};
int git_config_perm(const char *var, const char *value);
int adjust_shared_perm(const char *path);
-int safe_create_leading_directories(char *path);
-int safe_create_leading_directories_const(const char *path);
+
+/*
+ * Create the directory containing the named path, using care to be
+ * somewhat safe against races. Return one of the scld_error values
+ * to indicate success/failure.
+ *
+ * SCLD_VANISHED indicates that one of the ancestor directories of the
+ * path existed at one point during the function call and then
+ * suddenly vanished, probably because another process pruned the
+ * directory while we were working. To be robust against this kind of
+ * race, callers might want to try invoking the function again when it
+ * returns SCLD_VANISHED.
+ */
+enum scld_error {
+ SCLD_OK = 0,
+ SCLD_FAILED = -1,
+ SCLD_PERMS = -2,
+ SCLD_EXISTS = -3,
+ SCLD_VANISHED = -4
+};
+enum scld_error safe_create_leading_directories(char *path);
+enum scld_error 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);
@@ -760,11 +783,11 @@ int daemon_avoid_alias(const char *path);
int offset_1st_component(const char *path);
/* object replacement */
-#define READ_SHA1_FILE_REPLACE 1
+#define LOOKUP_REPLACE_OBJECT 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);
+ return read_sha1_file_extended(sha1, type, size, LOOKUP_REPLACE_OBJECT);
}
extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1);
static inline const unsigned char *lookup_replace_object(const unsigned char *sha1)
@@ -773,6 +796,12 @@ static inline const unsigned char *lookup_replace_object(const unsigned char *sh
return sha1;
return do_lookup_replace_object(sha1);
}
+static inline const unsigned char *lookup_replace_object_extended(const unsigned char *sha1, unsigned flag)
+{
+ if (!(flag & LOOKUP_REPLACE_OBJECT))
+ return sha1;
+ return 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 *);
@@ -780,6 +809,7 @@ extern int hash_sha1_file(const void *buf, unsigned long len, const char *type,
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 int git_open_noatime(const char *name);
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);
@@ -887,9 +917,12 @@ extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
extern int interpret_branch_name(const char *str, int len, 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
+/*
+ * Return true iff abbrev_name is a possible abbreviation for
+ * full_name according to the rules defined by ref_rev_parse_rules in
+ * refs.c.
+ */
+extern int refname_match(const char *abbrev_name, const char *full_name);
extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg);
extern int validate_headref(const char *ref);
@@ -1074,6 +1107,7 @@ struct object_info {
enum object_type *typep;
unsigned long *sizep;
unsigned long *disk_sizep;
+ unsigned char *delta_base_sha1;
/* Response */
enum {
@@ -1098,7 +1132,7 @@ struct object_info {
} packed;
} u;
};
-extern int sha1_object_info_extended(const unsigned char *, struct object_info *);
+extern int sha1_object_info_extended(const unsigned char *, struct object_info *, unsigned flags);
/* Dumb servers support */
extern int update_server_info(int);
@@ -1236,6 +1270,8 @@ __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);
+__attribute__((format (printf, 2, 3)))
+extern void trace_printf_key(const char *key, const char *fmt, ...);
extern void trace_strbuf(const char *key, const struct strbuf *buf);
void packet_trace_identity(const char *prog);
View Lorry Controller Status