// This command is no longer supported, but we'll retain it just to
// give the user some next-steps after upgrading.
c.showDiagnostics(tfdiags.Sourceless(
tfdiags.Error,
"Command \"terraform push\" is no longer supported",
"This command was used to push configuration to Terraform Enterprise legacy (v1), which has now reached end-of-life. To push configuration to Terraform Enterprise v2, use its REST API. Contact Terraform Enterprise support for more information.",