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"repo": "nixpkgs", + "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixpkgs-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "nixpkgs": "nixpkgs", + "rust-overlay": "rust-overlay" + } + }, + "rust-overlay": { + "inputs": { + "nixpkgs": "nixpkgs_2" + }, + "locked": { + "lastModified": 1759631821, + "narHash": "sha256-V8A1L0FaU/aSXZ1QNJScxC12uP4hANeRBgI4YdhHeRM=", + "owner": "oxalica", + "repo": "rust-overlay", + "rev": "1d7cbdaad90f8a5255a89a6eddd8af24dc89cafe", + "type": "github" + }, + "original": { + "owner": "oxalica", + "repo": "rust-overlay", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..5e747cd --- /dev/null +++ b/flake.nix @@ -0,0 +1,116 @@ +{ + description = "Flake of https://dev.stupstech.de/Mr_Steppy/multi-ssh"; + + inputs = { + nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05"; + rust-overlay.url = "github:oxalica/rust-overlay"; + }; + + outputs = { self, nixpkgs, rust-overlay, ... }: + let + systems = nixpkgs.lib.systems.flakeExposed; + forAllSystems = nixpkgs.lib.genAttrs systems; + in + { + packages = forAllSystems (system: + let + overlays = [ rust-overlay.overlays.default ]; + pkgs = import nixpkgs { inherit system; overlays = overlays; }; + rustToolchain = pkgs.rust-bin.stable."1.90.0".minimal; + rustPlatform = pkgs.makeRustPlatform { cargo = rustToolchain; rustc = rustToolchain; }; + in { + multiSsh = rustPlatform.buildRustPackage { + pname = "multi-ssh"; + version = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package.version; + src = ./.; + cargoLock = { + lockFile = ./Cargo.lock; + }; + nativeCheckInputs = [ pkgs.python3 ]; + release = true; + }; + default = self.packages.${system}.multiSsh; + } + ); + + apps = forAllSystems (system: + let + pkg = self.packages.${system}.multiSsh; + in { + default = { + type = "app"; + program = "${pkg}/bin/multi-ssh"; + }; + } + ); + + nixosModules.multiSsh = { lib, pkgs, config, ... }: { + options = { + programs.multiSsh = { + enable = lib.mkEnableOption "multi-ssh"; + editor = lib.mkOption { + type = lib.types.nullOr lib.types.str; + description = "Editor to forward to multi-ssh (MSSH_EDITOR). If null, the variable is not set."; + default = null; + }; + package = lib.mkOption { + type = lib.types.package; + description = "Derivation to install for multi-ssh"; + default = self.packages.${pkgs.system}.multiSsh; + }; + servers = { + local = { + dir = lib.mkOption { + type = lib.types.nullOr lib.types.str; + default = null; + description = ''Local server directory, relative to the user's HOME. If set, a local entry ".:" is added to MSSH_SERVERS.''; + }; + }; + server = lib.mkOption { + type = lib.types.attrsOf (lib.types.submodule ({ name, ... }: { + options = { + dir = lib.mkOption { + type = lib.types.str; + description = "Server directory for ${name} (remote ssh host), as a string."; + }; + }; + })); + default = {}; + description = "Attribute set of servers where each attribute name is the ssh host and its value provides a 'dir' string."; + }; + }; + msshAlias = lib.mkOption { + type = lib.types.bool; + default = true; + description = "If true, install an 'mssh' wrapper (alias) that calls 'multi-ssh' and sets env vars."; + }; + }; + }; + + config = lib.mkIf config.programs.multiSsh.enable (let + # Build MSSH_SERVERS from options + serverEntries = lib.mapAttrsToList (name: value: "${name}:${value.dir}") config.programs.multiSsh.servers.server; + localEntry = lib.optional (config.programs.multiSsh.servers.local.dir != null) ".:${config.programs.multiSsh.servers.local.dir}"; + msshServers = lib.concatStringsSep "," (localEntry ++ serverEntries); + + # wrapper that sets env and execs the real binary (installed as 'multi-ssh') + multiSshWrapper = pkgs.writeShellScriptBin "multi-ssh" '' + #!${pkgs.runtimeShell} + ${lib.optionalString (config.programs.multiSsh.editor != null) ''export MSSH_EDITOR="${config.programs.multiSsh.editor}"''} + ${lib.optionalString (msshServers != "") ''export MSSH_SERVERS="${msshServers}"''} + exec ${config.programs.multiSsh.package}/bin/multi-ssh "$@" + ''; + + # optional 'mssh' alias that delegates to the wrapped 'multi-ssh' + msshWrapper = pkgs.writeShellScriptBin "mssh" '' + #!${pkgs.runtimeShell} + exec ${multiSshWrapper}/bin/multi-ssh "$@" + ''; + in { + environment.systemPackages = [ + multiSshWrapper + ] ++ lib.optional config.programs.multiSsh.msshAlias msshWrapper; + }); + }; + }; +} \ No newline at end of file diff --git a/src/command.rs b/src/command.rs index 5636d99..7fc58ba 100644 --- a/src/command.rs +++ b/src/command.rs @@ -178,7 +178,7 @@ mod test { else { panic!("command shouldn't exist"); }; - assert_eq!(e.to_string(), "Failed to execute command 'python7': Failed to start command: No such file or directory (os error 2)"); + assert_eq!(e.to_string(), "Failed to execute command 'python7 test-ressources/python/exit_1.py': Failed to start command: No such file or directory (os error 2)"); } #[test] diff --git a/src/main.rs b/src/main.rs index cc7d05d..fe15b65 100644 --- a/src/main.rs +++ b/src/main.rs @@ -757,6 +757,50 @@ mod test { #[test] fn test_parse_server_configuration() { + use std::env; + use std::time::{SystemTime, UNIX_EPOCH}; + + // Create an isolated temporary HOME directory to avoid touching the real home. + // Ensure the environment is restored even if the test fails by using a guard. + struct EnvVarGuard { + key: &'static str, + prev: Option, + } + impl EnvVarGuard { + fn set_path(key: &'static str, value: &std::path::Path) -> Self { + let prev = env::var_os(key); + env::set_var(key, value); + Self { key, prev } + } + } + impl Drop for EnvVarGuard { + fn drop(&mut self) { + match &self.prev { + Some(v) => env::set_var(self.key, v), + None => env::remove_var(self.key), + } + } + } + + // Build a unique temp directory under the OS temp dir + let unique = format!( + "multi_ssh_test_home_{}_{}", + std::process::id(), + SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_nanos() + ); + let temp_home = env::temp_dir().join(unique); + fs::create_dir_all(&temp_home).expect("create temp HOME"); + + // Override HOME (and USERPROFILE for Windows) for the duration of the test + let _home_guard = EnvVarGuard::set_path("HOME", &temp_home); + let _userprofile_guard = EnvVarGuard::set_path("USERPROFILE", &temp_home); + + // Prepare the local dir inside the temp HOME + let local_dir = temp_home.join("fizz/buzz"); + fs::create_dir_all(&local_dir).expect("mkdir -p temp local dir"); + let canonical_local_dir = + fs::canonicalize(&local_dir).expect("canonicalize temp local dir"); + let servers = parse_server_configuration("foo:bar,.:fizz/buzz").expect("valid server configuration"); assert_eq!( @@ -769,7 +813,7 @@ mod test { }, Server { address: ServerAddress::Localhost, - server_directory_path: PathBuf::from("fizz/buzz"), + server_directory_path: canonical_local_dir, } ], servers