Restructure CLI with Cobra

Replace custom switch-based routing with Cobra for cleaner command
hierarchy. Reorganize commands into logical groups:

- Root command handles deployment (--binary, --static, --domain, etc.)
- App management at top level: list, logs, status, restart, remove
- env subcommand group: list, set, unset
- host subcommand group: init, status, update, ssh
- Standalone: ui (renamed from webui), version

Add version command with ldflags support for build info.

1 files changed, 80 insertions, 0 deletions

diff --git a/cmd/deploy/host/update.go b/cmd/deploy/host/update.go
new file mode 100644
index 0000000..6f1b43b
--- /dev/null
+++ b/cmd/deploy/host/update.go
@@ -0,0 +1,80 @@
+package host
+
+import (
+        "bufio"
+        "fmt"
+        "os"
+        "strings"
+
+        "github.com/bdw/deploy/internal/ssh"
+        "github.com/bdw/deploy/internal/state"
+        "github.com/spf13/cobra"
+)
+
+var updateCmd = &cobra.Command{
+        Use:   "update",
+        Short: "Update VPS packages",
+        Long:  "Run apt update && apt upgrade on the VPS",
+        RunE:  runUpdate,
+}
+
+func init() {
+        updateCmd.Flags().BoolP("yes", "y", false, "Skip confirmation prompt")
+}
+
+func runUpdate(cmd *cobra.Command, args []string) error {
+        st, err := state.Load()
+        if err != nil {
+                return fmt.Errorf("error loading state: %w", err)
+        }
+
+        host, _ := cmd.Flags().GetString("host")
+        if host == "" {
+                host = st.GetDefaultHost()
+        }
+
+        if host == "" {
+                return fmt.Errorf("--host is required (no default host set)")
+        }
+
+        yes, _ := cmd.Flags().GetBool("yes")
+        if !yes {
+                fmt.Printf("This will run apt update && apt upgrade on %s\n", host)
+                fmt.Print("Continue? [y/N]: ")
+                reader := bufio.NewReader(os.Stdin)
+                response, _ := reader.ReadString('\n')
+                response = strings.TrimSpace(response)
+                if response != "y" && response != "Y" {
+                        fmt.Println("Aborted.")
+                        return nil
+                }
+        }
+
+        fmt.Printf("Connecting to %s...\n", host)
+
+        client, err := ssh.Connect(host)
+        if err != nil {
+                return fmt.Errorf("error connecting to VPS: %w", err)
+        }
+        defer client.Close()
+
+        fmt.Println("\n-> Running apt update...")
+        if err := client.RunSudoStream("apt update"); err != nil {
+                return fmt.Errorf("error running apt update: %w", err)
+        }
+
+        fmt.Println("\n-> Running apt upgrade...")
+        if err := client.RunSudoStream("DEBIAN_FRONTEND=noninteractive apt upgrade -y"); err != nil {
+                return fmt.Errorf("error running apt upgrade: %w", err)
+        }
+
+        fmt.Println()
+        if output, err := client.Run("[ -f /var/run/reboot-required ] && echo 'yes' || echo 'no'"); err == nil {
+                if output == "yes\n" {
+                        fmt.Println("Note: A reboot is required to complete the update.")
+                }
+        }
+
+        fmt.Println("Update complete")
+        return nil
+}