docs: add credential helper for yahoo and link Google's sendgmail tool

This commit links `git-credential-yahoo` as a credential helper for
Yahoo accounts. Also, Google's `sendgmail` tool has been linked as an
alternative method for sending emails through Gmail.

Signed-off-by: Aditya Garg <gargaditya08@live.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-send-email.adoc b/Documentation/git-send-email.adoc
index 26fda63c2fc1ff83a63292d33535fbe23af38f00..81f8cbc6f394fcc6121b6f2a9cc875a0c2452b2c 100644 (file)
--- a/Documentation/git-send-email.adoc
+++ b/Documentation/git-send-email.adoc
@@ -543,6 +543,10 @@ settings:
        smtpAuth = OAUTHBEARER
 ----
 
+Alternatively, you can use a tool developed by Google known as
+https://github.com/google/gmail-oauth2-tools/tree/master/go/sendgmail[sendgmail]
+to send emails using `git send-email`.
+
 Use Microsoft Outlook as the SMTP Server
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Unlike Gmail, Microsoft Outlook no longer supports app-specific passwords.
@@ -579,8 +583,7 @@ next time.
 
 If you are using OAuth2.0 authentication, you need to use an access token in
 place of a password when prompted. Various OAuth2.0 token generators are
-available online. Community maintained credential helpers for Gmail and Outlook
-are also available:
+available online. Community maintained credential helpers are also available:
 
        - https://github.com/AdityaGarg8/git-credential-email[git-credential-gmail]
          (cross platform, dedicated helper for authenticating Gmail accounts)
@@ -588,6 +591,9 @@ are also available:
        - https://github.com/AdityaGarg8/git-credential-email[git-credential-outlook]
          (cross platform, dedicated helper for authenticating Microsoft Outlook accounts)
 
+       - https://github.com/AdityaGarg8/git-credential-email[git-credential-yahoo]
+         (cross platform, dedicated helper for authenticating Yahoo accounts)
+
 You can also see linkgit:gitcredentials[7] for more OAuth based authentication
 helpers.