1 Commits (ca35e204eef230ce75d43cb7db358a063e20fc92)

Author	SHA1	Message	Date
Martin Atkins	06f51dbe04	command/workdir: Model the "backend state" file format ... Historically (before there were "backends") Terraform had a single state file format used both for real state snapshots and for tracking where remote state was stored. Terraform v0.12 caused these two to be split because we adopted state snapshot version 4 for real snapshots but retained a subset of version 3 for tracking the remote backend configuration in the local working directory. Unfortunately we previously kept that working by retaining a snapshot of the entire Terraform v0.11 "terraform" package as legacy/terraform, which happened to still be around because we also needed to retain a copy of the entire legacy SDK to keep the remote state backends working. This now hoists just the tiny slice of legacy terraform package functionality needed to implement the "backend state" file format into package workdir. This package is a good home for it because it's part of the working directory state. Ideally it would be accessed through methods of the workdir.Dir type, but that's too disruptive a refactor to combine into this and so that'll need to wait for another day; for now we'll keep the existing callers doing their access through our "clistate" package that is itself a forked snapshot of what statemgr.Filesystem used to be in Terraform v0.11. This removes all but one of the uses of "legacy/terraform" aside from calls in the other packages under "legacy". We'll clean up the last one in a later commit, because it's not related to the backend state file format.	2 years ago