extensions.txt « config « Documentation - git.kernel.org/pub/scm/git/git.git - Unnamed repository; edit this file 'description' to name the repository.
extensions.objectFormat::
Specify the hash algorithm to use. The acceptable values are `sha1` and
`sha256`. If not specified, `sha1` is assumed. It is an error to specify
this key unless `core.repositoryFormatVersion` is 1.
+
Note that this setting should only be set by linkgit:git-init[1] or
linkgit:git-clone[1]. Trying to change it after initialization will not
work and will produce hard-to-diagnose issues.