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odb/source: make write_object() function pluggable

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Introduce a new callback function in `struct odb_source` to make the
function pluggable.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2026-02-23 17:18:04 +01:00
committed by Junio C Hamano
parent 941c1fad13
commit bf6737bcd5
3 changed files with 50 additions and 2 deletions
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4
odb.c
View File

@@ -1005,8 +1005,8 @@ int odb_write_object_ext(struct object_database *odb,
struct object_id *compat_oid,
unsigned flags)
{
return odb_source_loose_write_object(odb->sources, buf, len, type,
oid, compat_oid, flags);
return odb_source_write_object(odb->sources, buf, len, type,
oid, compat_oid, flags);
}
int odb_write_object_stream(struct object_database *odb,

12
odb/source-files.c
View File

@@ -98,6 +98,17 @@ static int odb_source_files_freshen_object(struct odb_source *source,
return 0;
}
static int odb_source_files_write_object(struct odb_source *source,
const void *buf, unsigned long len,
enum object_type type,
struct object_id *oid,
struct object_id *compat_oid,
unsigned flags)
{
return odb_source_loose_write_object(source, buf, len, type,
oid, compat_oid, flags);
}
struct odb_source_files *odb_source_files_new(struct object_database *odb,
const char *path,
bool local)
@@ -116,6 +127,7 @@ struct odb_source_files *odb_source_files_new(struct object_database *odb,
files->base.read_object_stream = odb_source_files_read_object_stream;
files->base.for_each_object = odb_source_files_for_each_object;
files->base.freshen_object = odb_source_files_freshen_object;
files->base.write_object = odb_source_files_write_object;
/*
* Ideally, we would only ever store absolute paths in the source. This

36
odb/source.h
View File

@@ -1,6 +1,8 @@
#ifndef ODB_SOURCE_H
#define ODB_SOURCE_H
#include "object.h"
enum odb_source_type {
/*
* The "unknown" type, which should never be in use. This is type
@@ -196,6 +198,24 @@ struct odb_source {
*/
int (*freshen_object)(struct odb_source *source,
const struct object_id *oid);
/*
* This callback is expected to persist the given object into the
* object source. In case the object already exists it shall be
* freshened.
*
* The flags field is a combination of `WRITE_OBJECT` flags.
*
* The resulting object ID (and optionally the compatibility object ID)
* shall be written into the out pointers. The callback is expected to
* return 0 on success, a negative error code otherwise.
*/
int (*write_object)(struct odb_source *source,
const void *buf, unsigned long len,
enum object_type type,
struct object_id *oid,
struct object_id *compat_oid,
unsigned flags);
};
/*
@@ -315,4 +335,20 @@ static inline int odb_source_freshen_object(struct odb_source *source,
return source->freshen_object(source, oid);
}
/*
* Write an object into the object database source. Returns 0 on success, a
* negative error code otherwise. Populates the given out pointers for the
* object ID and the compatibility object ID, if non-NULL.
*/
static inline int odb_source_write_object(struct odb_source *source,
const void *buf, unsigned long len,
enum object_type type,
struct object_id *oid,
struct object_id *compat_oid,
unsigned flags)
{
return source->write_object(source, buf, len, type, oid,
compat_oid, flags);
}
#endif