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* Preserving credentials on authentication failures
@ 2022-09-20  7:59 Jan Tosovsky
  2022-09-21 21:13 ` brian m. carlson
  0 siblings, 1 reply; 2+ messages in thread
From: Jan Tosovsky @ 2022-09-20  7:59 UTC (permalink / raw)
  To: git

On my local Windows machine I maintain a credential store in the form of a
text file. But from time to time one of the entries disappears. I run
regularly some background jobs, cloning some stuff, and I suspect this
happens when the external authentication service is down temporarily. When
it is later resumed, I can't clone the repo anymore because of that deleted
entry.

Is there any option to keep entries on authentication failures? Or is this
simply a bug? Or is there another reason why this happens?

Git 2.35.1.windows.2

Thanks, Jan


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: Preserving credentials on authentication failures
  2022-09-20  7:59 Preserving credentials on authentication failures Jan Tosovsky
@ 2022-09-21 21:13 ` brian m. carlson
  0 siblings, 0 replies; 2+ messages in thread
From: brian m. carlson @ 2022-09-21 21:13 UTC (permalink / raw)
  To: Jan Tosovsky; +Cc: git

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On 2022-09-20 at 07:59:38, Jan Tosovsky wrote:
> On my local Windows machine I maintain a credential store in the form of a
> text file. But from time to time one of the entries disappears. I run
> regularly some background jobs, cloning some stuff, and I suspect this
> happens when the external authentication service is down temporarily. When
> it is later resumed, I can't clone the repo anymore because of that deleted
> entry.
> 
> Is there any option to keep entries on authentication failures? Or is this
> simply a bug? Or is there another reason why this happens?

If you have a credential helper and the credentials retrieved from it
cause the server to send a 401, then Git will erase the credentials and
ask for new ones.  If your auth service is down, then the best thing for
your Git server to do is return a 503 if service cannot be maintained.
If it returns a 401 (which is not correct according to the RFC), then
Git will clear the credentials.

Git doesn't provide an option to preserve entries on authentication
failure, but you could write a simple shell script that wraps your
normal credential helper and ignores the "erase" command and use that
instead in `credential.helper`.
-- 
brian m. carlson (he/him or they/them)
Toronto, Ontario, CA

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^ permalink raw reply	[flat|nested] 2+ messages in thread

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2022-09-20  7:59 Preserving credentials on authentication failures Jan Tosovsky
2022-09-21 21:13 ` brian m. carlson

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