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* send-email and credential
@ 2019-08-12 22:00 D. Ben Knoble
  2019-08-12 22:18 ` Jeff King
  0 siblings, 1 reply; 3+ messages in thread
From: D. Ben Knoble @ 2019-08-12 22:00 UTC (permalink / raw)
  To: git

Hello all,

I spent a frustrating hour today hoping to setup git-send-email with
my gmail account. I've been able to confirm the following:

1. git credential works

    # git config credential.helper
    osxkeychain
    # git credential fill <<EOF
    protocol=smtp
    host=smtp.gmail.com
    EOF

outputs the correct username and password for my gmail account.

2. I (believe) I setup gitconfig properly:

    # git config --get-regexp sendemail
    sendemail.smtpserver smtp.gmail.com
    sendemail.smtpuser ben.knoble@gmail.com
    sendemail.smtpencryption tls
    sendemail.smtpserverport 587
    sendemail.multiedit true
    sendemail.annotate true

The strange behavior I'm seeing is that git-send-email

- prompted me via macOS for keychain access (expected). This happened
twice in a row, during one command invocation.
- prompted me at the terminal for my gmail password (shudders)
- stopped prompting me for messages send after that (all within the 15
minutes of the first two)

Can anyone confirm/explain what's going on? I've never tried to use
git-credential or git-send-email before, so I'm new to those (but
experienced in git).

D. Ben Knoble

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: send-email and credential
  2019-08-12 22:00 send-email and credential D. Ben Knoble
@ 2019-08-12 22:18 ` Jeff King
  2019-08-12 22:25   ` D. Ben Knoble
  0 siblings, 1 reply; 3+ messages in thread
From: Jeff King @ 2019-08-12 22:18 UTC (permalink / raw)
  To: D. Ben Knoble; +Cc: git

On Mon, Aug 12, 2019 at 06:00:14PM -0400, D. Ben Knoble wrote:

> I spent a frustrating hour today hoping to setup git-send-email with
> my gmail account. I've been able to confirm the following:
> 
> 1. git credential works
> 
>     # git config credential.helper
>     osxkeychain
>     # git credential fill <<EOF
>     protocol=smtp
>     host=smtp.gmail.com
>     EOF
> 
> outputs the correct username and password for my gmail account.
> 
> 2. I (believe) I setup gitconfig properly:
> 
>     # git config --get-regexp sendemail
>     sendemail.smtpserver smtp.gmail.com
>     sendemail.smtpuser ben.knoble@gmail.com
>     sendemail.smtpencryption tls
>     sendemail.smtpserverport 587
>     sendemail.multiedit true
>     sendemail.annotate true
> 
> The strange behavior I'm seeing is that git-send-email
> 
> - prompted me via macOS for keychain access (expected). This happened
> twice in a row, during one command invocation.
> - prompted me at the terminal for my gmail password (shudders)
> - stopped prompting me for messages send after that (all within the 15
> minutes of the first two)
> 
> Can anyone confirm/explain what's going on? I've never tried to use
> git-credential or git-send-email before, so I'm new to those (but
> experienced in git).

I don't think the saved password you're showing in step 1 is being
triggered, because Git will send "smtp.gmail.com:587" as the host field.
Try this:

  git \
    -c credential.helper='!exec >/tmp/credential.log 2>&1; cat; echo' \
    send-email ...

which will log the helper request. It probably has:

  host=smtp.gmail.com:587

I don't remember the specifics of how osxkeychain works, but it probably
pulls the port out of that and passes it to the OS keychain code, which
then treats it as a separate service.

So the rest of the behavior makes sense, then, I think:

  1. macOS had to unlock your keychain to check for the entry

  2. finding nothing, Git prompted you for the password

  3. Git then wrote the password to keychain after it was used
     successfully (maybe prompting another keychain password request? I
     don't know how it works), after which it should work without a
     password.

-Peff

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: send-email and credential
  2019-08-12 22:18 ` Jeff King
@ 2019-08-12 22:25   ` D. Ben Knoble
  0 siblings, 0 replies; 3+ messages in thread
From: D. Ben Knoble @ 2019-08-12 22:25 UTC (permalink / raw)
  To: Jeff King; +Cc: git

Peff is completely right: the log showed host=smpt.gmail.com:587 as
expected. Keychain confirms.

Thanks!

D. Ben Knoble

P.S. Be sure to delete /tmp/credential.log afterwards to clean up your
passwords.

On Mon, Aug 12, 2019 at 6:18 PM Jeff King <peff@peff.net> wrote:
>
> On Mon, Aug 12, 2019 at 06:00:14PM -0400, D. Ben Knoble wrote:
>
> > I spent a frustrating hour today hoping to setup git-send-email with
> > my gmail account. I've been able to confirm the following:
> >
> > 1. git credential works
> >
> >     # git config credential.helper
> >     osxkeychain
> >     # git credential fill <<EOF
> >     protocol=smtp
> >     host=smtp.gmail.com
> >     EOF
> >
> > outputs the correct username and password for my gmail account.
> >
> > 2. I (believe) I setup gitconfig properly:
> >
> >     # git config --get-regexp sendemail
> >     sendemail.smtpserver smtp.gmail.com
> >     sendemail.smtpuser ben.knoble@gmail.com
> >     sendemail.smtpencryption tls
> >     sendemail.smtpserverport 587
> >     sendemail.multiedit true
> >     sendemail.annotate true
> >
> > The strange behavior I'm seeing is that git-send-email
> >
> > - prompted me via macOS for keychain access (expected). This happened
> > twice in a row, during one command invocation.
> > - prompted me at the terminal for my gmail password (shudders)
> > - stopped prompting me for messages send after that (all within the 15
> > minutes of the first two)
> >
> > Can anyone confirm/explain what's going on? I've never tried to use
> > git-credential or git-send-email before, so I'm new to those (but
> > experienced in git).
>
> I don't think the saved password you're showing in step 1 is being
> triggered, because Git will send "smtp.gmail.com:587" as the host field.
> Try this:
>
>   git \
>     -c credential.helper='!exec >/tmp/credential.log 2>&1; cat; echo' \
>     send-email ...
>
> which will log the helper request. It probably has:
>
>   host=smtp.gmail.com:587
>
> I don't remember the specifics of how osxkeychain works, but it probably
> pulls the port out of that and passes it to the OS keychain code, which
> then treats it as a separate service.
>
> So the rest of the behavior makes sense, then, I think:
>
>   1. macOS had to unlock your keychain to check for the entry
>
>   2. finding nothing, Git prompted you for the password
>
>   3. Git then wrote the password to keychain after it was used
>      successfully (maybe prompting another keychain password request? I
>      don't know how it works), after which it should work without a
>      password.
>
> -Peff

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-08-12 22:25 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-08-12 22:00 send-email and credential D. Ben Knoble
2019-08-12 22:18 ` Jeff King
2019-08-12 22:25   ` D. Ben Knoble

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