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crendential-store: use timeout when locking file

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When holding the lock for rewriting the credential file, use a timeout
to avoid race conditions when the credentials file needs to be updated
in parallel.

An example would be doing `fetch --all` on a repository with several
remotes that need credentials, using parallel fetching.

The timeout can be configured using "credentialStore.lockTimeoutMS",
defaulting to 1 second.

Signed-off-by: Simão Afonso <simao.afonso@powertools-tech.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Simão Afonso
2020-11-25 18:31:23 +00:00
committed by Junio C Hamano
parent b291b0a628
commit df7f915fb6
2 changed files with 12 additions and 2 deletions
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6
Documentation/config/credential.txt
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@ -28,3 +28,9 @@ credential.<url>.*::
credentialCache.ignoreSIGHUP::
Tell git-credential-cache--daemon to ignore SIGHUP, instead of quitting.
credentialStore.lockTimeoutMS::
The length of time, in milliseconds, for git-credential-store to retry
when trying to lock the credentials file. Value 0 means not to retry at
all; -1 means to try indefinitely. Default is 1000 (i.e., retry for
1s).