cmd/lncli: move commands and export

We want to export some of our CLI code to re-use in other projects. But
in Golang you cannot import code from a `main` package.
So we need to move the actual code into its own package and only have
the `func main()` in the `main` package.

Author: guggero

.golangci.yml

@@ -259,8 +259,8 @@ issues:
         - forbidigo
         - godot
 
-    # Allow fmt.Printf() in lncli.
-    - path: cmd/lncli/*
+    # Allow fmt.Printf() in commands.
+    - path: cmd/commands/*
       linters:
         - forbidigo
 

cmd/lncli/arg_parse.go renamed to cmd/commands/arg_parse.go

@@ -1,4 +1,4 @@
-package main
+package commands
 
 import (
 	"regexp"

cmd/lncli/arg_parse_test.go renamed to cmd/commands/arg_parse_test.go

@@ -1,4 +1,4 @@
-package main
+package commands
 
 import (
 	"testing"

cmd/lncli/autopilotrpc_active.go renamed to cmd/commands/autopilotrpc_active.go

@@ -1,7 +1,7 @@
 //go:build autopilotrpc
 // +build autopilotrpc
 
-package main
+package commands
 
 import (
 	"github.com/lightningnetwork/lnd/lnrpc/autopilotrpc"

cmd/lncli/autopilotrpc_default.go renamed to cmd/commands/autopilotrpc_default.go

@@ -1,7 +1,7 @@
 //go:build !autopilotrpc
 // +build !autopilotrpc
 
-package main
+package commands
 
 import "github.com/urfave/cli"
 

cmd/lncli/chainrpc_active.go renamed to cmd/commands/chainrpc_active.go

@@ -1,7 +1,7 @@
 //go:build chainrpc
 // +build chainrpc
 
-package main
+package commands
 
 import (
 	"bytes"

cmd/lncli/chainrpc_default.go renamed to cmd/commands/chainrpc_default.go

@@ -1,7 +1,7 @@
 //go:build !chainrpc
 // +build !chainrpc
 
-package main
+package commands
 
 import "github.com/urfave/cli"
 

cmd/lncli/cmd_custom.go renamed to cmd/commands/cmd_custom.go

@@ -1,4 +1,4 @@
-package main
+package commands
 
 import (
 	"encoding/hex"

cmd/lncli/cmd_debug.go renamed to cmd/commands/cmd_debug.go

@@ -1,4 +1,4 @@
-package main
+package commands
 
 import (
 	"bytes"

cmd/lncli/cmd_import_mission_control.go renamed to cmd/commands/cmd_import_mission_control.go

@@ -1,4 +1,4 @@
-package main
+package commands
 
 import (
 	"context"