First commit of golang CLI.

wild-cli/cmd/wild/config/get.go

@@ -0,0 +1,86 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+
+	"github.com/wild-cloud/wild-cli/internal/config"
+	"github.com/wild-cloud/wild-cli/internal/environment"
+)
+
+var checkMode bool
+
+func newGetCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "get <path>",
+		Short: "Get a configuration value",
+		Long: `Get a configuration value from config.yaml using a dot-notation path.
+
+Examples:
+  wild config get cluster.name
+  wild config get apps.myapp.replicas
+  wild config get services[0].name`,
+		Args: cobra.ExactArgs(1),
+		RunE: runGet,
+	}
+
+	cmd.Flags().BoolVar(&checkMode, "check", false, "exit 1 if key doesn't exist (no output)")
+
+	return cmd
+}
+
+func runGet(cmd *cobra.Command, args []string) error {
+	path := args[0]
+
+	// Initialize environment
+	env := environment.New()
+
+	// Try to detect WC_HOME from current directory or flags
+	if wcHome := cmd.Flag("wc-home").Value.String(); wcHome != "" {
+		env.SetWCHome(wcHome)
+	} else {
+		detected, err := env.DetectWCHome()
+		if err != nil {
+			return fmt.Errorf("failed to detect Wild Cloud project directory: %w", err)
+		}
+		if detected == "" {
+			return fmt.Errorf("this command requires a Wild Cloud project directory. Run 'wild setup scaffold' to create one, or run from within an existing project")
+		}
+		env.SetWCHome(detected)
+	}
+
+	if err := env.RequiresProject(); err != nil {
+		return err
+	}
+
+	// Create config manager
+	mgr := config.NewManager(env.ConfigPath(), env.SecretsPath())
+
+	// Get the value
+	value, err := mgr.Get(path)
+	if err != nil {
+		if checkMode {
+			os.Exit(1)
+		}
+		return fmt.Errorf("getting config value: %w", err)
+	}
+
+	// Handle null/missing values
+	if value == nil {
+		if checkMode {
+			os.Exit(1)
+		}
+		return fmt.Errorf("key path '%s' not found in config file", path)
+	}
+
+	// In check mode, exit 0 if key exists (don't output value)
+	if checkMode {
+		return nil
+	}
+
+	// Output the value
+	fmt.Println(value)
+	return nil
+}