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

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>
main
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

View File

@ -96,6 +96,9 @@ The form '--filter=blob:limit=<n>[kmg]' omits blobs of size at least n
bytes or units. n may be zero. The suffixes k, m, and g can be used to name
units in KiB, MiB, or GiB. For example, 'blob:limit=1k' is the same as
'blob:limit=1024'.
+
The form '--filter=object:type=(tag|commit|tree|blob)' omits all objects which
are not of the requested type.

--path=<path>::
For use with `--textconv` or `--filters`, to allow specifying an object

View File

@ -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;

View File

@ -1388,7 +1388,7 @@ test_expect_success 'objects filter with unknown option' '
test_cmp expect err
'

for option in object:type=tag sparse:oid=1234 tree:1 sparse:path=x
for option in sparse:oid=1234 tree:1 sparse:path=x
do
test_expect_success "objects filter with unsupported option $option" '
case "$option" in
@ -1447,5 +1447,9 @@ test_objects_filter "blob:limit=1"
test_objects_filter "blob:limit=500"
test_objects_filter "blob:limit=1000"
test_objects_filter "blob:limit=1k"
test_objects_filter "object:type=blob"
test_objects_filter "object:type=commit"
test_objects_filter "object:type=tag"
test_objects_filter "object:type=tree"

test_done