odb/source-inmemory: implement `find_abbrev_len()` callback
Implement the `find_abbrev_len()` callback function for the in-memory source. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Patrick Steinhardt committed
Apr 10, 2026 at 14:12 UTC
3bd2856d3448943c4037d454f3e9cc0135330e73
1 file changed
+39
odb/source-inmemory.c
+39
@@ -169,6 +169,44 @@ static int odb_source_inmemory_for_each_object(struct odb_source *source,
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odb_source_inmemory_for_each_object_cb, &payload);
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}
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+struct find_abbrev_len_data {
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+ const struct object_id *oid;
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+ unsigned len;
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+};
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+
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+static int find_abbrev_len_cb(const struct object_id *oid,
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+ struct object_info *oi UNUSED,
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+ void *cb_data)
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+{
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+ struct find_abbrev_len_data *data = cb_data;
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+ unsigned len = oid_common_prefix_hexlen(oid, data->oid);
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+ if (len != hash_algos[oid->algo].hexsz && len >= data->len)
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+ data->len = len + 1;
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+ return 0;
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+}
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+
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+static int odb_source_inmemory_find_abbrev_len(struct odb_source *source,
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+ const struct object_id *oid,
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+ unsigned min_len,
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+ unsigned *out)
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+{
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+ struct odb_for_each_object_options opts = {
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+ .prefix = oid,
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+ .prefix_hex_len = min_len,
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+ };
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+ struct find_abbrev_len_data data = {
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+ .oid = oid,
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+ .len = min_len,
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+ };
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+ int ret;
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+
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+ ret = odb_source_inmemory_for_each_object(source, NULL, find_abbrev_len_cb,
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+ &data, &opts);
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+ *out = data.len;
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+
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+ return ret;
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+}
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+
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static int odb_source_inmemory_write_object(struct odb_source *source,
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const void *buf, unsigned long len,
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enum object_type type,
@@ -275,6 +313,7 @@ struct odb_source_inmemory *odb_source_inmemory_new(struct object_database *odb)
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source->base.read_object_info = odb_source_inmemory_read_object_info;
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source->base.read_object_stream = odb_source_inmemory_read_object_stream;
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source->base.for_each_object = odb_source_inmemory_for_each_object;
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+ source->base.find_abbrev_len = odb_source_inmemory_find_abbrev_len;
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source->base.write_object = odb_source_inmemory_write_object;
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source->base.write_object_stream = odb_source_inmemory_write_object_stream;
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