regressed lab-tool to 0.10-dev to make it again

packages/lab-tool/core/commands.scm

@@ -0,0 +1,53 @@
+;; core/commands.scm - Pure command building logic
+
+(define-module (core commands)
+  #:use-module (ice-9 format)
+  #:use-module (core config)
+  #:use-module (deploy ssh-strategy)
+  #:use-module (deploy executor)
+  #:export (build-flake-update-command
+            deploy-to-machine
+            list-available-machines))
+
+;; Pure function to build flake update command
+(define (build-flake-update-command . flake-path-override)
+  "Build a command to update flake inputs"
+  (let ((flake-path (if (null? flake-path-override) 
+                       (get-flake-path) 
+                       (car flake-path-override))))
+    (format #f "nix flake update ~a" flake-path)))
+
+;; Command to deploy to a specific machine
+(define (deploy-to-machine machine-name . options)
+  "Deploy to a specific machine using centralized configuration"
+  (let* ((ssh-config (get-ssh-config machine-name))
+         (deploy-options (if (null? options) '() (car options)))
+         (deploy-plan (build-ssh-deploy-commands machine-name deploy-options)))
+    
+    (if ssh-config
+        (begin
+          (display (format #f "Deploying to machine: ~a\n" machine-name))
+          (display (format #f "SSH Config: ~a\n" ssh-config))
+          
+          ;; Execute the deployment
+          (execute-deploy-commands deploy-plan))
+        (begin
+          (display (format #f "Error: Unknown machine '~a'\n" machine-name))
+          (display "Available machines:\n")
+          (list-available-machines)
+          #f))))
+
+;; Command to list available machines
+(define (list-available-machines)
+  "List all available machines for deployment"
+  (let ((machines (get-all-hosts)))
+    (display "Available machines:\n")
+    (for-each (lambda (machine)
+                (let ((ssh-config (get-ssh-config machine)))
+                  (if ssh-config
+                      (display (format #f "  ~a - ~a@~a\n" 
+                                     machine 
+                                     (assoc-ref ssh-config 'user)
+                                     (assoc-ref ssh-config 'hostname))))))
+              machines)
+    machines))