winhttp: retry authentication
If the caller has provided bad authentication, give them another
apportunity to get it right until they give up. This brings WinHTTP in
line with the other transports.
diff --git a/src/transports/winhttp.c b/src/transports/winhttp.c
index ded0416..32b8380 100644
--- a/src/transports/winhttp.c
+++ b/src/transports/winhttp.c
@@ -926,10 +926,11 @@
if (parse_unauthorized_response(s->request, &allowed_types, &t->auth_mechanism) < 0)
return -1;
- if (allowed_types &&
- (!t->cred || 0 == (t->cred->credtype & allowed_types))) {
+ if (allowed_types) {
int cred_error = 1;
+ git_cred_free(t->cred);
+ t->cred = NULL;
/* Start with the user-supplied credential callback, if present */
if (t->owner->cred_acquire_cb) {
cred_error = t->owner->cred_acquire_cb(&t->cred, t->owner->url,
