revert(3p/git): Revert merge of git upstream at v2.26.2 r/852

This causes cgit to serve error pages, which is undesirable.

This reverts commit 5229c9b232de5bfa959ad6ebbb4c8192ac513352, reversing
changes made to f2b211131f2347342dde63975b09cf603149f1a3.

1 files changed, 0 insertions, 265 deletions

diff --git a/third_party/git/promisor-remote.c b/third_party/git/promisor-remote.c
deleted file mode 100644
index 9f338c945f..0000000000
--- a/third_party/git/promisor-remote.c
+++ /dev/null
@@ -1,265 +0,0 @@
-#include "cache.h"
-#include "object-store.h"
-#include "promisor-remote.h"
-#include "config.h"
-#include "transport.h"
-
-static char *repository_format_partial_clone;
-static const char *core_partial_clone_filter_default;
-
-void set_repository_format_partial_clone(char *partial_clone)
-{
-	repository_format_partial_clone = xstrdup_or_null(partial_clone);
-}
-
-static int fetch_refs(const char *remote_name, struct ref *ref)
-{
-	struct remote *remote;
-	struct transport *transport;
-	int res;
-
-	remote = remote_get(remote_name);
-	if (!remote->url[0])
-		die(_("Remote with no URL"));
-	transport = transport_get(remote, remote->url[0]);
-
-	transport_set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
-	transport_set_option(transport, TRANS_OPT_NO_DEPENDENTS, "1");
-	res = transport_fetch_refs(transport, ref);
-
-	return res;
-}
-
-static int fetch_objects(const char *remote_name,
-			 const struct object_id *oids,
-			 int oid_nr)
-{
-	struct ref *ref = NULL;
-	int i;
-
-	for (i = 0; i < oid_nr; i++) {
-		struct ref *new_ref = alloc_ref(oid_to_hex(&oids[i]));
-		oidcpy(&new_ref->old_oid, &oids[i]);
-		new_ref->exact_oid = 1;
-		new_ref->next = ref;
-		ref = new_ref;
-	}
-	return fetch_refs(remote_name, ref);
-}
-
-static struct promisor_remote *promisors;
-static struct promisor_remote **promisors_tail = &promisors;
-
-static struct promisor_remote *promisor_remote_new(const char *remote_name)
-{
-	struct promisor_remote *r;
-
-	if (*remote_name == '/') {
-		warning(_("promisor remote name cannot begin with '/': %s"),
-			remote_name);
-		return NULL;
-	}
-
-	FLEX_ALLOC_STR(r, name, remote_name);
-
-	*promisors_tail = r;
-	promisors_tail = &r->next;
-
-	return r;
-}
-
-static struct promisor_remote *promisor_remote_lookup(const char *remote_name,
-						      struct promisor_remote **previous)
-{
-	struct promisor_remote *r, *p;
-
-	for (p = NULL, r = promisors; r; p = r, r = r->next)
-		if (!strcmp(r->name, remote_name)) {
-			if (previous)
-				*previous = p;
-			return r;
-		}
-
-	return NULL;
-}
-
-static void promisor_remote_move_to_tail(struct promisor_remote *r,
-					 struct promisor_remote *previous)
-{
-	if (r->next == NULL)
-		return;
-
-	if (previous)
-		previous->next = r->next;
-	else
-		promisors = r->next ? r->next : r;
-	r->next = NULL;
-	*promisors_tail = r;
-	promisors_tail = &r->next;
-}
-
-static int promisor_remote_config(const char *var, const char *value, void *data)
-{
-	const char *name;
-	int namelen;
-	const char *subkey;
-
-	if (!strcmp(var, "core.partialclonefilter"))
-		return git_config_string(&core_partial_clone_filter_default,
-					 var, value);
-
-	if (parse_config_key(var, "remote", &name, &namelen, &subkey) < 0)
-		return 0;
-
-	if (!strcmp(subkey, "promisor")) {
-		char *remote_name;
-
-		if (!git_config_bool(var, value))
-			return 0;
-
-		remote_name = xmemdupz(name, namelen);
-
-		if (!promisor_remote_lookup(remote_name, NULL))
-			promisor_remote_new(remote_name);
-
-		free(remote_name);
-		return 0;
-	}
-	if (!strcmp(subkey, "partialclonefilter")) {
-		struct promisor_remote *r;
-		char *remote_name = xmemdupz(name, namelen);
-
-		r = promisor_remote_lookup(remote_name, NULL);
-		if (!r)
-			r = promisor_remote_new(remote_name);
-
-		free(remote_name);
-
-		if (!r)
-			return 0;
-
-		return git_config_string(&r->partial_clone_filter, var, value);
-	}
-
-	return 0;
-}
-
-static int initialized;
-
-static void promisor_remote_init(void)
-{
-	if (initialized)
-		return;
-	initialized = 1;
-
-	git_config(promisor_remote_config, NULL);
-
-	if (repository_format_partial_clone) {
-		struct promisor_remote *o, *previous;
-
-		o = promisor_remote_lookup(repository_format_partial_clone,
-					   &previous);
-		if (o)
-			promisor_remote_move_to_tail(o, previous);
-		else
-			promisor_remote_new(repository_format_partial_clone);
-	}
-}
-
-static void promisor_remote_clear(void)
-{
-	while (promisors) {
-		struct promisor_remote *r = promisors;
-		promisors = promisors->next;
-		free(r);
-	}
-
-	promisors_tail = &promisors;
-}
-
-void promisor_remote_reinit(void)
-{
-	initialized = 0;
-	promisor_remote_clear();
-	promisor_remote_init();
-}
-
-struct promisor_remote *promisor_remote_find(const char *remote_name)
-{
-	promisor_remote_init();
-
-	if (!remote_name)
-		return promisors;
-
-	return promisor_remote_lookup(remote_name, NULL);
-}
-
-int has_promisor_remote(void)
-{
-	return !!promisor_remote_find(NULL);
-}
-
-static int remove_fetched_oids(struct repository *repo,
-			       struct object_id **oids,
-			       int oid_nr, int to_free)
-{
-	int i, remaining_nr = 0;
-	int *remaining = xcalloc(oid_nr, sizeof(*remaining));
-	struct object_id *old_oids = *oids;
-	struct object_id *new_oids;
-
-	for (i = 0; i < oid_nr; i++)
-		if (oid_object_info_extended(repo, &old_oids[i], NULL,
-					     OBJECT_INFO_SKIP_FETCH_OBJECT)) {
-			remaining[i] = 1;
-			remaining_nr++;
-		}
-
-	if (remaining_nr) {
-		int j = 0;
-		new_oids = xcalloc(remaining_nr, sizeof(*new_oids));
-		for (i = 0; i < oid_nr; i++)
-			if (remaining[i])
-				oidcpy(&new_oids[j++], &old_oids[i]);
-		*oids = new_oids;
-		if (to_free)
-			free(old_oids);
-	}
-
-	free(remaining);
-
-	return remaining_nr;
-}
-
-int promisor_remote_get_direct(struct repository *repo,
-			       const struct object_id *oids,
-			       int oid_nr)
-{
-	struct promisor_remote *r;
-	struct object_id *remaining_oids = (struct object_id *)oids;
-	int remaining_nr = oid_nr;
-	int to_free = 0;
-	int res = -1;
-
-	promisor_remote_init();
-
-	for (r = promisors; r; r = r->next) {
-		if (fetch_objects(r->name, remaining_oids, remaining_nr) < 0) {
-			if (remaining_nr == 1)
-				continue;
-			remaining_nr = remove_fetched_oids(repo, &remaining_oids,
-							 remaining_nr, to_free);
-			if (remaining_nr) {
-				to_free = 1;
-				continue;
-			}
-		}
-		res = 0;
-		break;
-	}
-
-	if (to_free)
-		free(remaining_oids);
-
-	return res;
-}