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odb: introduce odb_write_object()

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We do not have a backend-agnostic way to write objects into an object
database. While there is `write_object_file()`, this function is rather
specific to the loose object format.

Introduce `odb_write_object()` to plug this gap. For now, this function
is a simple wrapper around `write_object_file()` and doesn't even use
the passed-in object database yet. This will change in subsequent
commits, where `write_object_file()` is converted so that it works on
top of an `odb_source`. `odb_write_object()` will then become
responsible for deciding which source an object shall be written to.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2025-07-17 06:56:35 +02:00
committed by Junio C Hamano
parent 0f9b189357
commit ab1c6e1d12
21 changed files with 106 additions and 67 deletions
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26
object-file.h
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@@ -157,29 +157,9 @@ enum unpack_loose_header_result unpack_loose_header(git_zstream *stream,
struct object_info;
int parse_loose_header(const char *hdr, struct object_info *oi);
enum {
/*
* By default, `write_object_file()` does not actually write
* anything into the object store, but only computes the object ID.
* This flag changes that so that the object will be written as a loose
* object and persisted.
*/
WRITE_OBJECT_FILE_PERSIST = (1 << 0),
/*
* Do not print an error in case something gose wrong.
*/
WRITE_OBJECT_FILE_SILENT = (1 << 1),
};
int write_object_file_flags(const void *buf, unsigned long len,
enum object_type type, struct object_id *oid,
struct object_id *compat_oid_in, unsigned flags);
static inline int write_object_file(const void *buf, unsigned long len,
enum object_type type, struct object_id *oid)
{
return write_object_file_flags(buf, len, type, oid, NULL, 0);
}
int write_object_file(const void *buf, unsigned long len,
enum object_type type, struct object_id *oid,
struct object_id *compat_oid_in, unsigned flags);
struct input_stream {
const void *(*read)(struct input_stream *, unsigned long *len);