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builtin/cat-file: support "object:type=" objects filter

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Implement support for the "object:type=" filter in git-cat-file(1),
which causes us to omit all objects that don't match the provided object
type.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2025-04-02 13:13:41 +02:00
committed by Junio C Hamano
parent dbe1b32d59
commit 8fa9fe171a
3 changed files with 19 additions and 2 deletions
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12
builtin/cat-file.c
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@@ -484,7 +484,8 @@ static void batch_object_write(const char *obj_name,
if (use_mailmap ||
opt->objects_filter.choice == LOFC_BLOB_NONE ||
opt->objects_filter.choice == LOFC_BLOB_LIMIT)
opt->objects_filter.choice == LOFC_BLOB_LIMIT ||
opt->objects_filter.choice == LOFC_OBJECT_TYPE)
data->info.typep = &data->type;
if (opt->objects_filter.choice == LOFC_BLOB_LIMIT)
data->info.sizep = &data->size;
@@ -521,6 +522,14 @@ static void batch_object_write(const char *obj_name,
return;
}
break;
case LOFC_OBJECT_TYPE:
if (data->type != opt->objects_filter.object_type) {
if (!opt->all_objects)
report_object_status(opt, obj_name,
&data->oid, "excluded");
return;
}
break;
default:
BUG("unsupported objects filter");
}
@@ -1062,6 +1071,7 @@ int cmd_cat_file(int argc,
break;
case LOFC_BLOB_NONE:
case LOFC_BLOB_LIMIT:
case LOFC_OBJECT_TYPE:
if (!batch.enabled)
usage(_("objects filter only supported in batch mode"));
break;