Documentation: describe 'union' low-level merge driver

diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
index 16bfd7be2271d21d8d380e9f4e20307569f3a538..f0bd2851d8b118711ccf25fcd9c4205dd727b310 100644 (file)
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -75,6 +75,12 @@ The --cc option must be repeated for each user you want on the cc list.
        Make git-send-email less verbose.  One line per email should be
        all that is output.
 
+--identity::
+       A configuration identity. When given, causes values in the
+       'sendemail.<identity>' subsection to take precedence over
+       values in the 'sendemail' section. The default identity is
+       the value of 'sendemail.identity'.
+
 --smtp-server::
        If set, specifies the outgoing SMTP server to use (e.g.
        `smtp.example.com` or a raw IP address).  Alternatively it can
@@ -85,14 +91,29 @@ The --cc option must be repeated for each user you want on the cc list.
        `/usr/lib/sendmail` if such program is available, or
        `localhost` otherwise.
 
+--smtp-server-port::
+       Specifies a port different from the default port (SMTP
+       servers typically listen to smtp port 25 and ssmtp port
+       465).
+
+--smtp-user, --smtp-pass::
+       Username and password for SMTP-AUTH. Defaults are the values of
+       the configuration values 'sendemail.smtpuser' and
+       'sendemail.smtppass', but see also 'sendemail.identity'.
+       If not set, authentication is not attempted.
+
+--smtp-ssl::
+       If set, connects to the SMTP server using SSL.
+       Default is the value of the 'sendemail.smtpssl' configuration value;
+       if that is unspecified, does not use SSL.
+
 --subject::
        Specify the initial subject of the email thread.
        Only necessary if --compose is also set.  If --compose
        is not set, this will be prompted for.
 
 --suppress-from, --no-suppress-from::
-        If this is set, do not add the From: address to the cc: list, if it
-        shows up in a From: line.
+        If this is set, do not add the From: address to the cc: list.
         Default is the value of 'sendemail.suppressfrom' configuration value;
         if that is unspecified, default to --no-suppress-from.
 
@@ -122,6 +143,13 @@ The --to option must be repeated for each user you want on the to list.
 
 CONFIGURATION
 -------------
+sendemail.identity::
+       The default configuration identity. When specified,
+       'sendemail.<identity>.<item>' will have higher precedence than
+       'sendemail.<item>'. This is useful to declare multiple SMTP
+       identities and to hoist sensitive authentication information
+       out of the repository and into the global configuration file.
+
 sendemail.aliasesfile::
        To avoid typing long email addresses, point this to one or more
        email aliases files.  You must also supply 'sendemail.aliasfiletype'.
@@ -130,6 +158,9 @@ sendemail.aliasfiletype::
        Format of the file(s) specified in sendemail.aliasesfile. Must be
        one of 'mutt', 'mailrc', 'pine', or 'gnus'.
 
+sendemail.to::
+       Email address (or alias) to always send to.
+
 sendemail.cccmd::
        Command to execute to generate per patch file specific "Cc:"s.
 
@@ -141,7 +172,16 @@ sendemail.chainreplyto::
        parameter.
 
 sendemail.smtpserver::
-       Default smtp server to use.
+       Default SMTP server to use.
+
+sendemail.smtpuser::
+       Default SMTP-AUTH username.
+
+sendemail.smtppass::
+       Default SMTP-AUTH password.
+
+sendemail.smtpssl::
+       Boolean value specifying the default to the '--smtp-ssl' parameter.
 
 Author
 ------