#include "git-compat-util.h"
#include "strbuf.h"
#include "hashmap.h"
-#include "mru.h"
+#include "list.h"
#include "advice.h"
#include "gettext.h"
#include "convert.h"
#include "hash.h"
#include "path.h"
#include "sha1-array.h"
+#include "repository.h"
#ifndef platform_SHA_CTX
/*
unsigned char hash[GIT_MAX_RAWSZ];
};
+#define the_hash_algo the_repository->hash_algo
+
#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)
#define DTYPE(de) ((de)->d_type)
#else
#define CE_ADDED (1 << 19)
#define CE_HASHED (1 << 20)
+#define CE_FSMONITOR_VALID (1 << 21)
#define CE_WT_REMOVE (1 << 22) /* remove in work directory */
#define CE_CONFLICTED (1 << 23)
#define CACHE_TREE_CHANGED (1 << 5)
#define SPLIT_INDEX_ORDERED (1 << 6)
#define UNTRACKED_CHANGED (1 << 7)
+#define FSMONITOR_CHANGED (1 << 8)
struct split_index;
struct untracked_cache;
struct split_index *split_index;
struct cache_time timestamp;
unsigned name_hash_initialized : 1,
- initialized : 1;
+ initialized : 1,
+ drop_cache_tree : 1;
struct hashmap name_hash;
struct hashmap dir_hash;
unsigned char sha1[20];
struct untracked_cache *untracked;
+ uint64_t fsmonitor_last_update;
+ struct ewah_bitmap *fsmonitor_dirty;
};
extern struct index_state the_index;
#define active_cache_tree (the_index.cache_tree)
#define read_cache() read_index(&the_index)
-#define read_cache_from(path) read_index_from(&the_index, (path))
+#define read_cache_from(path) read_index_from(&the_index, (path), (get_git_dir()))
#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 GIT_QUARANTINE_ENVIRONMENT "GIT_QUARANTINE_PATH"
#define GIT_OPTIONAL_LOCKS_ENVIRONMENT "GIT_OPTIONAL_LOCKS"
+/*
+ * Environment variable used in handshaking the wire protocol.
+ * Contains a colon ':' separated list of keys with optional values
+ * 'key[=value]'. Presence of unknown keys and values must be
+ * ignored.
+ */
+#define GIT_PROTOCOL_ENVIRONMENT "GIT_PROTOCOL"
+/* HTTP header used to handshake the wire protocol */
+#define GIT_PROTOCOL_HEADER "Git-Protocol"
+
/*
* This environment variable is expected to contain a boolean indicating
* whether we should or should not treat:
*/
extern const char * const local_repo_env[];
-extern void setup_git_env(void);
+extern void setup_git_env(const char *git_dir);
/*
* Returns true iff we have a configured git repository (either via
extern int read_index_preload(struct index_state *, const struct pathspec *pathspec);
extern int do_read_index(struct index_state *istate, const char *path,
int must_exist); /* for testting only! */
-extern int read_index_from(struct index_state *, const char *path);
+extern int read_index_from(struct index_state *, const char *path,
+ const char *gitdir);
extern int is_index_unborn(struct index_state *);
extern int read_index_unmerged(struct index_state *);
+
+/* For use with `write_locked_index()`. */
#define COMMIT_LOCK (1 << 0)
-#define CLOSE_LOCK (1 << 1)
+
+/*
+ * Write the index while holding an already-taken lock. Close the lock,
+ * and if `COMMIT_LOCK` is given, commit it.
+ *
+ * Unless a split index is in use, write the index into the lockfile.
+ *
+ * With a split index, write the shared index to a temporary file,
+ * adjust its permissions and rename it into place, then write the
+ * split index to the lockfile. If the temporary file for the shared
+ * index cannot be created, fall back to the behavior described in
+ * the previous paragraph.
+ *
+ * With `COMMIT_LOCK`, the lock is always committed or rolled back.
+ * Without it, the lock is closed, but neither committed nor rolled
+ * back.
+ */
extern int write_locked_index(struct index_state *, struct lock_file *lock, unsigned flags);
+
extern int discard_index(struct index_state *);
extern void move_index_extensions(struct index_state *dst, struct index_state *src);
extern int unmerged_index(const struct index_state *);
+
+/**
+ * Returns 1 if the index differs from HEAD, 0 otherwise. When on an unborn
+ * branch, returns 1 if there are entries in the index, 0 otherwise. If an
+ * strbuf is provided, the space-separated list of files that differ will be
+ * appended to it.
+ */
+extern int index_has_changes(struct strbuf *sb);
+
extern int verify_path(const char *path);
extern int strcmp_offset(const char *s1, const char *s2, size_t *first_change);
extern int index_dir_exists(struct index_state *istate, const char *name, int namelen);
#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);
+/* don't refresh_fsmonitor state or do stat comparison even if CE_FSMONITOR_VALID is true */
+#define CE_MATCH_IGNORE_FSMONITOR 0X20
+extern int ie_match_stat(struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
+extern int ie_modified(struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
#define HASH_WRITE_OBJECT 1
#define HASH_FORMAT_CHECK 2
+#define HASH_RENORMALIZE 4
extern int index_fd(struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
extern int index_path(struct object_id *oid, const char *path, struct stat *st, unsigned flags);
extern int refresh_index(struct index_state *, unsigned int flags, const struct pathspec *pathspec, char *seen, const char *header_msg);
extern struct cache_entry *refresh_cache_entry(struct cache_entry *, unsigned int);
+/*
+ * Opportunistically update the index but do not complain if we can't.
+ * The lockfile is always committed or rolled back.
+ */
extern void update_index_if_able(struct index_state *, struct lock_file *);
extern int hold_locked_index(struct lock_file *, int);
extern void set_alternate_index_output(const char *);
extern int verify_index_checksum;
+extern int verify_ce_order;
/* Environment bits from configuration mechanism */
extern int trust_executable_bit;
extern int precomposed_unicode;
extern int protect_hfs;
extern int protect_ntfs;
+extern const char *core_fsmonitor;
/*
* Include broken refs in all ref iterations, which will
#define GIT_REPO_VERSION 0
#define GIT_REPO_VERSION_READ 1
extern int repository_format_precious_objects;
+extern char *repository_format_partial_clone;
+extern const char *core_partial_clone_filter_default;
struct repository_format {
int version;
int precious_objects;
+ char *partial_clone; /* value of extensions.partialclone */
int is_bare;
+ int hash_algo;
char *work_tree;
struct string_list unknown_extensions;
};
static inline int is_empty_blob_sha1(const unsigned char *sha1)
{
- return !hashcmp(sha1, EMPTY_BLOB_SHA1_BIN);
+ return !hashcmp(sha1, the_hash_algo->empty_blob->hash);
}
static inline int is_empty_blob_oid(const struct object_id *oid)
{
- return !hashcmp(oid->hash, EMPTY_BLOB_SHA1_BIN);
+ return !oidcmp(oid, the_hash_algo->empty_blob);
}
static inline int is_empty_tree_sha1(const unsigned char *sha1)
{
- return !hashcmp(sha1, EMPTY_TREE_SHA1_BIN);
+ return !hashcmp(sha1, the_hash_algo->empty_tree->hash);
}
static inline int is_empty_tree_oid(const struct object_id *oid)
{
- return !hashcmp(oid->hash, EMPTY_TREE_SHA1_BIN);
+ return !oidcmp(oid, the_hash_algo->empty_tree);
}
/* set default permissions by passing mode arguments to open(2) */
extern int get_sha1_hex(const char *hex, unsigned char *sha1);
extern int get_oid_hex(const char *hex, struct object_id *sha1);
+/*
+ * Read `len` pairs of hexadecimal digits from `hex` and write the
+ * values to `binary` as `len` bytes. Return 0 on success, or -1 if
+ * the input does not consist of hex digits).
+ */
+extern int hex_to_bytes(unsigned char *binary, const char *hex, size_t len);
+
/*
* Convert a binary sha1 to its hex equivalent. The `_r` variant is reentrant,
* and writes the NUL-terminated output to the buffer `out`, which must be at
extern const char *ident_default_email(void);
extern const char *git_editor(void);
extern const char *git_pager(int stdout_is_tty);
+extern int is_terminal_dumb(void);
extern int git_ident_config(const char *, const char *, void *);
extern void reset_ident_date(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;
-
- /* see alt_scratch_buf() */
- struct strbuf scratch;
- size_t base_len;
-
- /*
- * Used to store the results of readdir(3) calls when searching
- * for unique abbreviated hashes. This cache is never
- * invalidated, thus it's racy and not necessarily accurate.
- * That's fine for its purpose; don't use it for tasks requiring
- * greater accuracy!
- */
- char loose_objects_subdir_seen[256];
- struct oid_array loose_objects_cache;
-
- char path[FLEX_ARRAY];
-} *alt_odb_list;
-extern void prepare_alt_odb(void);
-extern char *compute_alternate_path(const char *path, struct strbuf *err);
-typedef int alt_odb_fn(struct alternate_object_database *, void *);
-extern int foreach_alt_odb(alt_odb_fn, void*);
-
-/*
- * Allocate a "struct alternate_object_database" but do _not_ actually
- * add it to the list of alternates.
- */
-struct alternate_object_database *alloc_alt_odb(const char *dir);
-
-/*
- * Add the directory to the on-disk alternates file; the new entry will also
- * take effect in the current process.
- */
-extern void add_to_alternates_file(const char *dir);
-
-/*
- * Add the directory to the in-memory list of alternates (along with any
- * recursive alternates it points to), but do not modify the on-disk alternates
- * file.
- */
-extern void add_to_alternates_memory(const char *dir);
-
-/*
- * Returns a scratch strbuf pre-filled with the alternate object directory,
- * including a trailing slash, which can be used to access paths in the
- * alternate. Always use this over direct access to alt->scratch, as it
- * cleans up any previous use of the scratch buffer.
- */
-extern struct strbuf *alt_scratch_buf(struct alternate_object_database *alt);
-
struct pack_window {
struct pack_window *next;
unsigned char *base;
unsigned int inuse_cnt;
};
-extern struct packed_git {
- struct packed_git *next;
- struct pack_window *windows;
- off_t pack_size;
- const void *index_data;
- size_t index_size;
- uint32_t num_objects;
- uint32_t num_bad_objects;
- unsigned char *bad_object_sha1;
- int index_version;
- time_t mtime;
- int pack_fd;
- unsigned pack_local:1,
- pack_keep:1,
- freshened:1,
- do_not_close:1;
- unsigned char sha1[20];
- struct revindex_entry *revindex;
- /* something like ".git/objects/pack/xxxxx.pack" */
- char pack_name[FLEX_ARRAY]; /* more */
-} *packed_git;
-
-/*
- * A most-recently-used ordered version of the packed_git list, which can
- * be iterated instead of packed_git (and marked via mru_mark).
- */
-extern struct mru packed_git_mru;
-
struct pack_entry {
off_t offset;
unsigned char sha1[20];
#define OBJECT_INFO_QUICK 8
extern int sha1_object_info_extended(const unsigned char *, struct object_info *, unsigned flags);
+/*
+ * Set this to 0 to prevent sha1_object_info_extended() from fetching missing
+ * blobs. This has a difference only if extensions.partialClone is set.
+ *
+ * Its default value is 1.
+ */
+extern int fetch_if_missing;
+
/* Dumb servers support */
extern int update_server_info(int);
*/
void safe_create_dir(const char *dir, int share);
+/*
+ * Should we print an ellipsis after an abbreviated SHA-1 value
+ * when doing diff-raw output or indicating a detached HEAD?
+ */
+extern int print_sha1_ellipsis(void);
+
#endif /* CACHE_H */