From 9b67eb6fbeb9666640f34cccf401cfea22f7bd22 Mon Sep 17 00:00:00 2001 From: Patrick Steinhardt Date: Thu, 17 Nov 2022 06:46:43 +0100 Subject: refs: get rid of global list of hidden refs We're about to add a new argument to git-rev-list(1) that allows it to add all references that are visible when taking `transfer.hideRefs` et al into account. This will require us to potentially parse multiple sets of hidden refs, which is not easily possible right now as there is only a single, global instance of the list of parsed hidden refs. Refactor `parse_hide_refs_config()` and `ref_is_hidden()` so that both take the list of hidden references as input and adjust callers to keep a local list, instead. This allows us to easily use multiple hidden-ref lists. Furthermore, it allows us to properly free this list before we exit. Signed-off-by: Patrick Steinhardt Signed-off-by: Taylor Blau --- upload-pack.c | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) (limited to 'upload-pack.c') diff --git a/upload-pack.c b/upload-pack.c index 0b8311bd68..551f22ffa5 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -62,6 +62,7 @@ struct upload_pack_data { struct object_array have_obj; struct oid_array haves; /* v2 only */ struct string_list wanted_refs; /* v2 only */ + struct string_list hidden_refs; struct object_array shallows; struct string_list deepen_not; @@ -118,6 +119,7 @@ static void upload_pack_data_init(struct upload_pack_data *data) { struct string_list symref = STRING_LIST_INIT_DUP; struct string_list wanted_refs = STRING_LIST_INIT_DUP; + struct string_list hidden_refs = STRING_LIST_INIT_DUP; struct object_array want_obj = OBJECT_ARRAY_INIT; struct object_array have_obj = OBJECT_ARRAY_INIT; struct oid_array haves = OID_ARRAY_INIT; @@ -130,6 +132,7 @@ static void upload_pack_data_init(struct upload_pack_data *data) memset(data, 0, sizeof(*data)); data->symref = symref; data->wanted_refs = wanted_refs; + data->hidden_refs = hidden_refs; data->want_obj = want_obj; data->have_obj = have_obj; data->haves = haves; @@ -151,6 +154,7 @@ static void upload_pack_data_clear(struct upload_pack_data *data) { string_list_clear(&data->symref, 1); string_list_clear(&data->wanted_refs, 1); + string_list_clear(&data->hidden_refs, 0); object_array_clear(&data->want_obj); object_array_clear(&data->have_obj); oid_array_clear(&data->haves); @@ -842,8 +846,8 @@ static void deepen(struct upload_pack_data *data, int depth) * Checking for reachable shallows requires that our refs be * marked with OUR_REF. */ - head_ref_namespaced(check_ref, NULL); - for_each_namespaced_ref(check_ref, NULL); + head_ref_namespaced(check_ref, data); + for_each_namespaced_ref(check_ref, data); get_reachable_list(data, &reachable_shallows); result = get_shallow_commits(&reachable_shallows, @@ -1158,11 +1162,11 @@ static void receive_needs(struct upload_pack_data *data, /* return non-zero if the ref is hidden, otherwise 0 */ static int mark_our_ref(const char *refname, const char *refname_full, - const struct object_id *oid) + const struct object_id *oid, const struct string_list *hidden_refs) { struct object *o = lookup_unknown_object(the_repository, oid); - if (ref_is_hidden(refname, refname_full)) { + if (ref_is_hidden(refname, refname_full, hidden_refs)) { o->flags |= HIDDEN_REF; return 1; } @@ -1171,11 +1175,12 @@ static int mark_our_ref(const char *refname, const char *refname_full, } static int check_ref(const char *refname_full, const struct object_id *oid, - int flag UNUSED, void *cb_data UNUSED) + int flag UNUSED, void *cb_data) { const char *refname = strip_namespace(refname_full); + struct upload_pack_data *data = cb_data; - mark_our_ref(refname, refname_full, oid); + mark_our_ref(refname, refname_full, oid, &data->hidden_refs); return 0; } @@ -1204,7 +1209,7 @@ static int send_ref(const char *refname, const struct object_id *oid, struct object_id peeled; struct upload_pack_data *data = cb_data; - if (mark_our_ref(refname_nons, refname, oid)) + if (mark_our_ref(refname_nons, refname, oid, &data->hidden_refs)) return 0; if (capabilities) { @@ -1327,7 +1332,7 @@ static int upload_pack_config(const char *var, const char *value, void *cb_data) if (parse_object_filter_config(var, value, data) < 0) return -1; - return parse_hide_refs_config(var, value, "uploadpack"); + return parse_hide_refs_config(var, value, "uploadpack", &data->hidden_refs); } static int upload_pack_protected_config(const char *var, const char *value, void *cb_data) @@ -1375,8 +1380,8 @@ void upload_pack(const int advertise_refs, const int stateless_rpc, advertise_shallow_grafts(1); packet_flush(1); } else { - head_ref_namespaced(check_ref, NULL); - for_each_namespaced_ref(check_ref, NULL); + head_ref_namespaced(check_ref, &data); + for_each_namespaced_ref(check_ref, &data); } if (!advertise_refs) { @@ -1441,6 +1446,7 @@ static int parse_want(struct packet_writer *writer, const char *line, static int parse_want_ref(struct packet_writer *writer, const char *line, struct string_list *wanted_refs, + struct string_list *hidden_refs, struct object_array *want_obj) { const char *refname_nons; @@ -1451,7 +1457,7 @@ static int parse_want_ref(struct packet_writer *writer, const char *line, struct strbuf refname = STRBUF_INIT; strbuf_addf(&refname, "%s%s", get_git_namespace(), refname_nons); - if (ref_is_hidden(refname_nons, refname.buf) || + if (ref_is_hidden(refname_nons, refname.buf, hidden_refs) || read_ref(refname.buf, &oid)) { packet_writer_error(writer, "unknown ref %s", refname_nons); die("unknown ref %s", refname_nons); @@ -1508,7 +1514,7 @@ static void process_args(struct packet_reader *request, continue; if (data->allow_ref_in_want && parse_want_ref(&data->writer, arg, &data->wanted_refs, - &data->want_obj)) + &data->hidden_refs, &data->want_obj)) continue; /* process have line */ if (parse_have(arg, &data->haves)) -- cgit v1.2.3