Problem: Since https://github.com/NixOS/nix/pull/5226 nix profiles for
users are stored in 'XDG_STATE_HOME' or 'HOME' directory. However,
'deploy-rs' still expects profiles to be present in
'/nix/var/nix/profiles/per-user'. As a result, an attempt to deploy a
profile with newer nix may fail with an error about non-existing files.
Solution: Instead of deducing the profile path prior to ssh'ing and
actual activation, deduce the path to the profile during as a part of
'activate-rs' invocation.
Now if the profile path is not specified explicitly as an attribute in
profile within the deploy flake, the path to the profile is determined
based on the user to which the profile belongs and on the values of
'XDG_STATE_HOME' and 'HOME' variables.
Additionally, if the old profile directory (in
'/nix/var/nix/profiles/per-user') for a given user already exists, it is
used instead for the sake of backward compatibility.
Use the deploy-rs from the final packages set. This can avoid rebuilding
deploy-rs when using it in a nixos config. It can use the version cached
in nixpkgs.
Also add instructions to the readme on how to craft an overlay that uses
nixpkgs deploy-rs.
Run multiple deployments in sequence
Resolve targets later
Extend context by deployed flake
Apply clippy suggestions
Add revoke command builder
Track succeeded deploys
Add revoke function
Register revoke error as deploy error
Prepare revoke command in activate
Extend logger to handle revoke
Implement revoke command client side
Run revoke on previously suceeded
Control whether to override by flag
Adhere profile configuration auto_rollback setting
Cargo fmt
Correctly provide profile path to activation script when revoking
Document multi flake mode in README
Resolve a typo in README.md
Co-authored-by: notgne2 <gen2@gen2.space>
Use existing teminology
rename revoke_suceeded -> rollback_suceeded
Use more open CLI argument name `targets` instead of `flakes`
Document name changes in README
Add sudo command support for revokes
Call run_deploy with `dry_active` flag
Test revoke commands contains sudo
Set default temp_path in activate binary
Require temp_path for wait and activate subcommands
Add copyright comment
Address review change requests
Fix typo in README
Co-authored-by: Alexander Bantyev <balsoft@balsoft.ru>
