Merge branch 'mh/credential-oauth-refresh-token'

The credential subsystem learns to help OAuth framework.

* mh/credential-oauth-refresh-token:
  credential: new attribute oauth_refresh_token

diff --cc Documentation/git-credential.txt
Simple merge

diff --cc builtin/credential-cache--daemon.c
Simple merge

diff --cc credential.c
index 7da326aa8585531e93e93aef64fda48538096c0f,3b5d3d058cf92d3059412d082c60369e9c5e257f..023b59d5711cf2fede0aa0408b47a1a6f64df059
--- 1/credential.c
--- 2/credential.c
+++ b/credential.c
@@@ -25,8 -22,8 +25,9 @@@ void credential_clear(struct credentia
        free(c->path);
        free(c->username);
        free(c->password);
+       free(c->oauth_refresh_token);
        string_list_clear(&c->helpers, 0);
 +      strvec_clear(&c->wwwauth_headers);
  
        credential_init(c);
  }

diff --cc credential.h
Simple merge

diff --cc t/lib-credential.sh
Simple merge

diff --cc t/t0300-credentials.sh
Simple merge