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odb/source: make freshen_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 17:18:03 +01:00
committed by Junio C Hamano
parent c8c7337c24
commit 941c1fad13
3 changed files with 36 additions and 10 deletions
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12
odb.c
View File

@@ -959,18 +959,10 @@ int odb_freshen_object(struct object_database *odb,
const struct object_id *oid)
{
struct odb_source *source;
odb_prepare_alternates(odb);
for (source = odb->sources; source; source = source->next) {
struct odb_source_files *files = odb_source_files_downcast(source);
if (packfile_store_freshen_object(files->packed, oid))
for (source = odb->sources; source; source = source->next)
if (odb_source_freshen_object(source, oid))
return 1;
if (odb_source_loose_freshen_object(source, oid))
return 1;
}
return 0;
}

11
odb/source-files.c
View File

@@ -88,6 +88,16 @@ static int odb_source_files_for_each_object(struct odb_source *source,
return 0;
}
static int odb_source_files_freshen_object(struct odb_source *source,
const struct object_id *oid)
{
struct odb_source_files *files = odb_source_files_downcast(source);
if (packfile_store_freshen_object(files->packed, oid) ||
odb_source_loose_freshen_object(source, oid))
return 1;
return 0;
}
struct odb_source_files *odb_source_files_new(struct object_database *odb,
const char *path,
bool local)
@@ -105,6 +115,7 @@ struct odb_source_files *odb_source_files_new(struct object_database *odb,
files->base.read_object_info = odb_source_files_read_object_info;
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;
/*
* Ideally, we would only ever store absolute paths in the source. This

23
odb/source.h
View File

@@ -184,6 +184,18 @@ struct odb_source {
odb_for_each_object_cb cb,
void *cb_data,
unsigned flags);
/*
* This callback is expected to freshen the given object so that its
* last access time is set to the current time. This is used to ensure
* that objects that are recent will not get garbage collected even if
* they were unreachable.
*
* Returns 0 in case the object does not exist, 1 in case the object
* has been freshened.
*/
int (*freshen_object)(struct odb_source *source,
const struct object_id *oid);
};
/*
@@ -292,4 +304,15 @@ static inline int odb_source_for_each_object(struct odb_source *source,
return source->for_each_object(source, request, cb, cb_data, flags);
}
/*
* Freshen an object in the object database by updating its timestamp.
* Returns 1 in case the object has been freshened, 0 in case the object does
* not exist.
*/
static inline int odb_source_freshen_object(struct odb_source *source,
const struct object_id *oid)
{
return source->freshen_object(source, oid);
}
#endif