git-send-email: ssh/login style password requests

diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
index e38b7021b4d38c07bd794e59be0a5e0747a8b775..4f4caa402d1eed655ccdb2adbf67c54a494820c0 100644 (file)
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -96,11 +96,40 @@ The --cc option must be repeated for each user you want on the cc list.
        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-user::
+       Username for SMTP-AUTH. In place of this option, the following
+       configuration variables can be specified:
++
+--
+               * sendemail.smtpuser
+               * sendemail.<identity>.smtpuser (see sendemail.identity).
+--
++
+However, --smtp-user always overrides these variables.
++
+If a username is not specified (with --smtp-user or a
+configuration variable), then authentication is not attempted.
+
+--smtp-pass::
+       Password for SMTP-AUTH. The argument is optional: If no
+       argument is specified, then the empty string is used as
+       the password.
++
+In place of this option, the following configuration variables
+can be specified:
++
+--
+               * sendemail.smtppass
+               * sendemail.<identity>.smtppass (see sendemail.identity).
+--
++
+However, --smtp-pass always overrides these variables.
++
+Furthermore, passwords need not be specified in configuration files
+or on the command line. If a username has been specified (with
+--smtp-user or a configuration variable), but no password has been
+specified (with --smtp-pass or a configuration variable), then the
+user is prompted for a password while the input is masked for privacy.
 
 --smtp-ssl::
        If set, connects to the SMTP server using SSL.
@@ -113,8 +142,7 @@ The --cc option must be repeated for each user you want on the cc list.
        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.
 
@@ -138,6 +166,8 @@ The --cc option must be repeated for each user you want on the cc list.
        Specify the primary recipient of the emails generated.
        Generally, this will be the upstream maintainer of the
        project involved.
+       Default is the value of the 'sendemail.to' configuration value;
+       if that is unspecified, this will be prompted for.
 +
 The --to option must be repeated for each user you want on the to list.
 
@@ -149,7 +179,7 @@ sendemail.identity::
        '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 configuation file.
+       out of the repository and into the global configuration file.
 
 sendemail.aliasesfile::
        To avoid typing long email addresses, point this to one or more
@@ -197,4 +227,4 @@ Documentation by Ryan Anderson
 
 GIT
 ---
-Part of the gitlink:git[7] suite
+Part of the linkgit:git[7] suite