* Do replace refs need to be checked this run? This variable is
* initialized to true unless --no-replace-object is used or
* $GIT_NO_REPLACE_OBJECTS is set, but is set to false by some
- * commands that do not want replace references to be active. As an
- * optimization it is also set to false if replace references have
- * been sought but there were none.
+ * commands that do not want replace references to be active.
*/
-extern int check_replace_refs;
+extern int read_replace_refs;
extern char *git_replace_ref_base;
extern int fsync_object_files;
};
extern enum log_refs_config log_all_ref_updates;
-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,
PUSH_DEFAULT_UNSPECIFIED
};
-extern enum branch_track git_branch_track;
extern enum rebase_setup_type autorebase;
extern enum push_default_type push_default;
static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
{
- return memcmp(sha1, sha2, the_hash_algo->rawsz);
+ /*
+ * Teach the compiler that there are only two possibilities of hash size
+ * here, so that it can optimize for this case as much as possible.
+ */
+ if (the_hash_algo->rawsz == GIT_MAX_RAWSZ)
+ return memcmp(sha1, sha2, GIT_MAX_RAWSZ);
+ return memcmp(sha1, sha2, GIT_SHA1_RAWSZ);
}
static inline int oidcmp(const struct object_id *oid1, const struct object_id *oid2)
return hashcmp(oid1->hash, oid2->hash);
}
+static inline int hasheq(const unsigned char *sha1, const unsigned char *sha2)
+{
+ /*
+ * We write this here instead of deferring to hashcmp so that the
+ * compiler can properly inline it and avoid calling memcmp.
+ */
+ if (the_hash_algo->rawsz == GIT_MAX_RAWSZ)
+ return !memcmp(sha1, sha2, GIT_MAX_RAWSZ);
+ return !memcmp(sha1, sha2, GIT_SHA1_RAWSZ);
+}
+
+static inline int oideq(const struct object_id *oid1, const struct object_id *oid2)
+{
+ return hasheq(oid1->hash, oid2->hash);
+}
+
static inline int is_null_sha1(const unsigned char *sha1)
{
- return !hashcmp(sha1, null_sha1);
+ return hasheq(sha1, null_sha1);
}
static inline int is_null_oid(const struct object_id *oid)
{
- return !hashcmp(oid->hash, null_sha1);
+ return hasheq(oid->hash, null_sha1);
}
static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src)
static inline int is_empty_blob_sha1(const unsigned char *sha1)
{
- return !hashcmp(sha1, the_hash_algo->empty_blob->hash);
+ return hasheq(sha1, the_hash_algo->empty_blob->hash);
}
static inline int is_empty_blob_oid(const struct object_id *oid)
{
- return !oidcmp(oid, the_hash_algo->empty_blob);
+ return oideq(oid, the_hash_algo->empty_blob);
}
static inline int is_empty_tree_sha1(const unsigned char *sha1)
{
- return !hashcmp(sha1, the_hash_algo->empty_tree->hash);
+ return hasheq(sha1, the_hash_algo->empty_tree->hash);
}
static inline int is_empty_tree_oid(const struct object_id *oid)
{
- return !oidcmp(oid, the_hash_algo->empty_tree);
+ return oideq(oid, the_hash_algo->empty_tree);
}
const char *empty_tree_oid_hex(void);
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,
+ * Convert a binary hash to its hex equivalent. The `_r` variant is reentrant,
* and writes the NUL-terminated output to the buffer `out`, which must be at
- * least `GIT_SHA1_HEXSZ + 1` bytes, and returns a pointer to out for
+ * least `GIT_MAX_HEXSZ + 1` bytes, and returns a pointer to out for
* convenience.
*
* The non-`_r` variant returns a static buffer, but uses a ring of 4
*
* printf("%s -> %s", sha1_to_hex(one), sha1_to_hex(two));
*/
-extern char *sha1_to_hex_r(char *out, const unsigned char *sha1);
-extern char *oid_to_hex_r(char *out, const struct object_id *oid);
-extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
-extern char *oid_to_hex(const struct object_id *oid); /* same static buffer as sha1_to_hex */
+char *hash_to_hex_algop_r(char *buffer, const unsigned char *hash, const struct git_hash_algo *);
+char *sha1_to_hex_r(char *out, const unsigned char *sha1);
+char *oid_to_hex_r(char *out, const struct object_id *oid);
+char *hash_to_hex_algop(const unsigned char *hash, const struct git_hash_algo *); /* static buffer result! */
+char *sha1_to_hex(const unsigned char *sha1); /* same static buffer */
+char *hash_to_hex(const unsigned char *hash); /* same static buffer */
+char *oid_to_hex(const struct object_id *oid); /* same static buffer */
/*
* Parse a 40-character hexadecimal object ID starting from hex, updating the
extern struct object *peel_to_type(const char *name, int namelen,
struct object *o, enum object_type);
+enum date_mode_type {
+ DATE_NORMAL = 0,
+ DATE_RELATIVE,
+ DATE_SHORT,
+ DATE_ISO8601,
+ DATE_ISO8601_STRICT,
+ DATE_RFC2822,
+ DATE_STRFTIME,
+ DATE_RAW,
+ DATE_UNIX
+};
+
struct date_mode {
- enum date_mode_type {
- DATE_NORMAL = 0,
- DATE_RELATIVE,
- DATE_SHORT,
- DATE_ISO8601,
- DATE_ISO8601_STRICT,
- DATE_RFC2822,
- DATE_STRFTIME,
- DATE_RAW,
- DATE_UNIX
- } type;
+ enum date_mode_type type;
const char *strftime_fmt;
int local;
};
unsigned force:1,
quiet:1,
not_new:1,
+ clone:1,
refresh_cache:1;
};
#define CHECKOUT_INIT { NULL, "" }
*/
extern int odb_pack_keep(const char *name);
-/*
- * Iterate over the files in the loose-object parts of the object
- * directory "path", triggering the following callbacks:
- *
- * - loose_object is called for each loose object we find.
- *
- * - loose_cruft is called for any files that do not appear to be
- * loose objects. Note that we only look in the loose object
- * directories "objects/[0-9a-f]{2}/", so we will not report
- * "objects/foobar" as cruft.
- *
- * - loose_subdir is called for each top-level hashed subdirectory
- * of the object directory (e.g., "$OBJDIR/f0"). It is called
- * after the objects in the directory are processed.
- *
- * Any callback that is NULL will be ignored. Callbacks returning non-zero
- * will end the iteration.
- *
- * In the "buf" variant, "path" is a strbuf which will also be used as a
- * scratch buffer, but restored to its original contents before
- * the function returns.
- */
-typedef int each_loose_object_fn(const struct object_id *oid,
- const char *path,
- void *data);
-typedef int each_loose_cruft_fn(const char *basename,
- const char *path,
- void *data);
-typedef int each_loose_subdir_fn(unsigned int nr,
- const char *path,
- void *data);
-int for_each_file_in_obj_subdir(unsigned int subdir_nr,
- struct strbuf *path,
- each_loose_object_fn obj_cb,
- each_loose_cruft_fn cruft_cb,
- each_loose_subdir_fn subdir_cb,
- void *data);
-int for_each_loose_file_in_objdir(const char *path,
- each_loose_object_fn obj_cb,
- each_loose_cruft_fn cruft_cb,
- each_loose_subdir_fn subdir_cb,
- void *data);
-int for_each_loose_file_in_objdir_buf(struct strbuf *path,
- each_loose_object_fn obj_cb,
- each_loose_cruft_fn cruft_cb,
- each_loose_subdir_fn subdir_cb,
- void *data);
-
-/*
- * Iterate over loose objects in both the local
- * repository and any alternates repositories (unless the
- * LOCAL_ONLY flag is set).
- */
-#define FOR_EACH_OBJECT_LOCAL_ONLY 0x1
-extern int for_each_loose_object(each_loose_object_fn, void *, 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.