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list-objects: support filtering by tag and commit

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Object filters currently only support filtering blobs or trees based on
some criteria. This commit lays the foundation to also allow filtering
of tags and commits.

No change in behaviour is expected from this commit given that there are
no filters yet for those object types.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt 2021-04-12 15:37:35 +02:00 committed by Junio C Hamano
parent 628d81be6c
commit 9a2a4f9544
3 changed files with 62 additions and 3 deletions
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40
list-objects-filter.c
View File

@ -82,6 +82,16 @@ static enum list_objects_filter_result filter_blobs_none(
default:
BUG("unknown filter_situation: %d", filter_situation);
case LOFS_TAG:
assert(obj->type == OBJ_TAG);
/* always include all tag objects */
return LOFR_MARK_SEEN | LOFR_DO_SHOW;
case LOFS_COMMIT:
assert(obj->type == OBJ_COMMIT);
/* always include all commit objects */
return LOFR_MARK_SEEN | LOFR_DO_SHOW;
case LOFS_BEGIN_TREE:
assert(obj->type == OBJ_TREE);
/* always include all tree objects */
@ -173,6 +183,16 @@ static enum list_objects_filter_result filter_trees_depth(
default:
BUG("unknown filter_situation: %d", filter_situation);
case LOFS_TAG:
assert(obj->type == OBJ_TAG);
/* always include all tag objects */
return LOFR_MARK_SEEN | LOFR_DO_SHOW;
case LOFS_COMMIT:
assert(obj->type == OBJ_COMMIT);
/* always include all commit objects */
return LOFR_MARK_SEEN | LOFR_DO_SHOW;
case LOFS_END_TREE:
assert(obj->type == OBJ_TREE);
filter_data->current_depth--;
@ -267,6 +287,16 @@ static enum list_objects_filter_result filter_blobs_limit(
default:
BUG("unknown filter_situation: %d", filter_situation);
case LOFS_TAG:
assert(obj->type == OBJ_TAG);
/* always include all tag objects */
return LOFR_MARK_SEEN | LOFR_DO_SHOW;
case LOFS_COMMIT:
assert(obj->type == OBJ_COMMIT);
/* always include all commit objects */
return LOFR_MARK_SEEN | LOFR_DO_SHOW;
case LOFS_BEGIN_TREE:
assert(obj->type == OBJ_TREE);
/* always include all tree objects */
@ -371,6 +401,16 @@ static enum list_objects_filter_result filter_sparse(
default:
BUG("unknown filter_situation: %d", filter_situation);
case LOFS_TAG:
assert(obj->type == OBJ_TAG);
/* always include all tag objects */
return LOFR_MARK_SEEN | LOFR_DO_SHOW;
case LOFS_COMMIT:
assert(obj->type == OBJ_COMMIT);
/* always include all commit objects */
return LOFR_MARK_SEEN | LOFR_DO_SHOW;
case LOFS_BEGIN_TREE:
assert(obj->type == OBJ_TREE);
dtype = DT_DIR;

2
list-objects-filter.h
View File

@ -55,6 +55,8 @@ enum list_objects_filter_result {
};
enum list_objects_filter_situation {
LOFS_COMMIT,
LOFS_TAG,
LOFS_BEGIN_TREE,
LOFS_END_TREE,
LOFS_BLOB

23
list-objects.c
View File

@ -217,8 +217,15 @@ static void process_tag(struct traversal_context *ctx,
struct tag *tag,
const char *name)
{
tag->object.flags |= SEEN;
ctx->show_object(&tag->object, name, ctx->show_data);
enum list_objects_filter_result r;
r = list_objects_filter__filter_object(ctx->revs->repo, LOFS_TAG,
&tag->object, NULL, NULL,
ctx->filter);
if (r & LOFR_MARK_SEEN)
tag->object.flags |= SEEN;
if (r & LOFR_DO_SHOW)
ctx->show_object(&tag->object, name, ctx->show_data);
}
static void mark_edge_parents_uninteresting(struct commit *commit,
@ -368,6 +375,12 @@ static void do_traverse(struct traversal_context *ctx)
strbuf_init(&csp, PATH_MAX);
while ((commit = get_revision(ctx->revs)) != NULL) {
enum list_objects_filter_result r;
r = list_objects_filter__filter_object(ctx->revs->repo,
LOFS_COMMIT, &commit->object,
NULL, NULL, ctx->filter);
/*
* an uninteresting boundary commit may not have its tree
* parsed yet, but we are not going to show them anyway
@ -382,7 +395,11 @@ static void do_traverse(struct traversal_context *ctx)
die(_("unable to load root tree for commit %s"),
oid_to_hex(&commit->object.oid));
}
ctx->show_commit(commit, ctx->show_data);
if (r & LOFR_MARK_SEEN)
commit->object.flags |= SEEN;
if (r & LOFR_DO_SHOW)
ctx->show_commit(commit, ctx->show_data);
if (ctx->revs->tree_blobs_in_commit_order)
/*