#ifndef INCLUDE_odb_h__
#define INCLUDE_odb_h__
+#include "common.h"
+
#include "git2/odb.h"
#include "git2/oid.h"
#include "git2/types.h"
+#include "git2/sys/commit_graph.h"
-#include "vector.h"
#include "cache.h"
-#include "posix.h"
+#include "commit_graph.h"
#include "filter.h"
+#include "posix.h"
+#include "vector.h"
#define GIT_OBJECTS_DIR "objects/"
#define GIT_OBJECT_DIR_MODE 0777
#define GIT_OBJECT_FILE_MODE 0444
+#define GIT_ODB_DEFAULT_LOOSE_PRIORITY 1
+#define GIT_ODB_DEFAULT_PACKED_PRIORITY 2
+
+extern bool git_odb__strict_hash_verification;
+
/* DO NOT EXPORT */
typedef struct {
void *data; /**< Raw, decompressed object data. */
size_t len; /**< Total number of bytes in data. */
- git_otype type; /**< Type of this object. */
+ git_object_t type; /**< Type of this object. */
} git_rawobj;
/* EXPORT */
/* EXPORT */
struct git_odb {
git_refcount rc;
+ git_mutex lock; /* protects backends */
git_vector backends;
git_cache own_cache;
+ git_commit_graph *cgraph;
+ unsigned int do_fsync :1;
};
+typedef enum {
+ GIT_ODB_CAP_FROM_OWNER = -1,
+} git_odb_cap_t;
+
+/*
+ * Set the capabilities for the object database.
+ */
+int git_odb__set_caps(git_odb *odb, int caps);
+
+/*
+ * Add the default loose and packed backends for a database.
+ */
+int git_odb__add_default_backends(
+ git_odb *db, const char *objects_dir,
+ bool as_alternates, int alternate_depth);
+
/*
* Hash a git_rawobj internally.
* The `git_rawobj` is supposed to be previously initialized
/*
* Format the object header such as it would appear in the on-disk object
*/
-int git_odb__format_object_header(char *hdr, size_t n, size_t obj_len, git_otype obj_type);
+int git_odb__format_object_header(size_t *out_len, char *hdr, size_t hdr_size, git_object_size_t obj_len, git_object_t obj_type);
+
/*
* Hash an open file descriptor.
* This is a performance call when the contents of a fd need to be hashed,
* The fd is never closed, not even on error. It must be opened and closed
* by the caller
*/
-int git_odb__hashfd(git_oid *out, git_file fd, size_t size, git_otype type);
+int git_odb__hashfd(git_oid *out, git_file fd, size_t size, git_object_t type);
/*
* Hash an open file descriptor applying an array of filters
* Acts just like git_odb__hashfd with the addition of filters...
*/
int git_odb__hashfd_filtered(
- git_oid *out, git_file fd, size_t len, git_otype type, git_filter_list *fl);
+ git_oid *out, git_file fd, size_t len, git_object_t type, git_filter_list *fl);
/*
* Hash a `path`, assuming it could be a POSIX symlink: if the path is a
* symlink, then the raw contents of the symlink will be hashed. Otherwise,
* this will fallback to `git_odb__hashfd`.
*
- * The hash type for this call is always `GIT_OBJ_BLOB` because symlinks may
- * only point to blobs.
+ * The hash type for this call is always `GIT_OBJECT_BLOB` because
+ * symlinks may only point to blobs.
*/
int git_odb__hashlink(git_oid *out, const char *path);
+/**
+ * Generate a GIT_EMISMATCH error for the ODB.
+ */
+int git_odb__error_mismatch(
+ const git_oid *expected, const git_oid *actual);
+
/*
* Generate a GIT_ENOTFOUND error for the ODB.
*/
-int git_odb__error_notfound(const char *message, const git_oid *oid);
+int git_odb__error_notfound(
+ const char *message, const git_oid *oid, size_t oid_len);
/*
* Generate a GIT_EAMBIGUOUS error for the ODB.
* not be read.
*/
int git_odb__read_header_or_object(
- git_odb_object **out, size_t *len_p, git_otype *type_p,
+ git_odb_object **out, size_t *len_p, git_object_t *type_p,
git_odb *db, const git_oid *id);
+/*
+ * Attempt to get the ODB's commit-graph file. This object is still owned by
+ * the ODB. If the repository does not contain a commit-graph, it will return
+ * GIT_ENOTFOUND.
+ */
+int git_odb__get_commit_graph_file(git_commit_graph_file **out, git_odb *odb);
+
+/* freshen an entry in the object database */
+int git_odb__freshen(git_odb *db, const git_oid *id);
+
/* fully free the object; internal method, DO NOT EXPORT */
void git_odb_object__free(void *object);