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-rw-r--r--odb/source.h30
1 files changed, 27 insertions, 3 deletions
diff --git a/odb/source.h b/odb/source.h
index 96c906e7a1..a9d7d0b96f 100644
--- a/odb/source.h
+++ b/odb/source.h
@@ -140,7 +140,7 @@ struct odb_source {
const struct object_info *request,
odb_for_each_object_cb cb,
void *cb_data,
- unsigned flags);
+ const struct odb_for_each_object_options *opts);
/*
* This callback is expected to count objects in the given object
@@ -158,6 +158,18 @@ struct odb_source {
unsigned long *out);
/*
+ * This callback is expected to find the minimum required length to
+ * make the given object ID unique.
+ *
+ * The callback is expected to return a negative error code in case it
+ * failed, 0 otherwise.
+ */
+ int (*find_abbrev_len)(struct odb_source *source,
+ const struct object_id *oid,
+ unsigned min_length,
+ unsigned *out);
+
+ /*
* 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
@@ -343,9 +355,9 @@ static inline int odb_source_for_each_object(struct odb_source *source,
const struct object_info *request,
odb_for_each_object_cb cb,
void *cb_data,
- unsigned flags)
+ const struct odb_for_each_object_options *opts)
{
- return source->for_each_object(source, request, cb, cb_data, flags);
+ return source->for_each_object(source, request, cb, cb_data, opts);
}
/*
@@ -361,6 +373,18 @@ static inline int odb_source_count_objects(struct odb_source *source,
}
/*
+ * Determine the minimum required length to make the given object ID unique in
+ * the given source. Returns 0 on success, a negative error code otherwise.
+ */
+static inline int odb_source_find_abbrev_len(struct odb_source *source,
+ const struct object_id *oid,
+ unsigned min_len,
+ unsigned *out)
+{
+ return source->find_abbrev_len(source, oid, min_len, out);
+}
+
+/*
* 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.