build fixes

.devcontainer/devcontainer.json

@@ -1,52 +1,22 @@
-// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/v0.195.0/containers/go
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/go
 {
 	"name": "Go",
-	"build": {
-		"dockerfile": "Dockerfile",
-		"args": {
-			// Update the VARIANT arg to pick a version of Go: 1, 1.16, 1.17
-			// Append -bullseye or -buster to pin to an OS version.
-			// Use -bullseye variants on local arm64/Apple Silicon.
-			"VARIANT": "1.17-bullseye",
-			// Options
-			"NODE_VERSION": "lts/*"
-		}
-	},
-	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/go:1-1.22-bookworm"
 
-	// Set *default* container specific settings.json values on container create.
-	"settings": {
-		"go.toolsManagement.checkForUpdates": "local",
-		"go.useLanguageServer": true,
-		"go.gopath": "/go",
-		"go.goroot": "/usr/local/go"
-	},
-
-	// Add the IDs of extensions you want installed when the container is created.
-	"extensions": [
-		"golang.Go"
-	],
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [9000],
-
-	// Use 'portsAttributes' to set default properties for specific forwarded ports. More info: https://code.visualstudio.com/docs/remote/devcontainerjson-reference.
-	// "portsAttributes": {
-	// 	"9000": {
-	// 		"label": "Hello Remote World",
-	// 		"onAutoForward": "notify"
-	// 	}
-	// },
-
-	// Use 'otherPortsAttributes' to configure any ports that aren't configured using 'portsAttributes'.
-	// "otherPortsAttributes": {
-	// 		"onAutoForward": "silent"
-	// },
+	// "forwardPorts": [],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
 	// "postCreateCommand": "go version",
 
-	// Uncomment to connect as a non-root user. More info: https://aka.ms/vscode-remote/containers/non-root.
-	"remoteUser": "vscode"
+	// Configure tool-specific properties.
+	// "customizations": {},
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
 }

.github/workflows/release.yaml

@@ -9,9 +9,9 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         with:
-          go-version: '1.22.x'
+          go-version: './go.mod'
       - run: ./build.sh
         shell: bash
       - run: cp LICENSE.txt output/

.github/workflows/test.yaml

@@ -5,8 +5,8 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         with:
-          go-version: '1.22.x'
+          go-version: './go.mod'
       - run: ./build.sh
         shell: bash

LICENSE.txt

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022 Dan Brakeley
+Copyright (c) 2022-2024 Dan Brakeley
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

main.go

@@ -4,7 +4,6 @@ import (
 	"flag"
 	"fmt"
 	"image/png"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -85,9 +84,9 @@ func main_() int {
 			log.Error("os.Getwd() had error", frog.Err(err))
 			return -1
 		}
-		files, err := ioutil.ReadDir(cwd)
+		files, err := os.ReadDir(cwd)
 		if err != nil {
-			log.Error("ioutil.ReadDir(cwd) had error", frog.String("cwd", cwd), frog.Err(err))
+			log.Error("os.ReadDir(cwd) had error", frog.String("cwd", cwd), frog.Err(err))
 			return -1
 		}
 		filelist = make([]string, 0, len(files))