fix: don't print _TOKEN suggestion when not applicable #12644
Merged
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What does this PR try to resolve?
When a registry token cannot be found, or a token is invalid, cargo displays an error recommending either
cargo login
or the appropriate environment variable.For example:
With
-Z credential-process
, ifcargo:token
is not inregistry.global-credential-providers
orregistries.<NAME>.credential-provider
the suggested environment variable will not work.Fixes #12642 by not including the
_TOKEN
environment variable ifcargo:token
is not enabled as a credential provider.How should we test and review this PR?
Two tests
not_found
andall_not_found
cover this case by having a registry-specific and global credential providers respectively that returnnot-found
.Other tests that emit this error are not affected, since they still have the
cargo:token
provider available.