80 lines
1.3 KiB
Go
80 lines
1.3 KiB
Go
// Copyright (c) 2024 Joshua Rich <joshua.rich@gmail.com>
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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package cli
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import (
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"embed"
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"log/slog"
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"os"
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"path/filepath"
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)
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const (
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assetsPath = "assets"
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assetsExt = ".txt"
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)
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//go:embed assets
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var content embed.FS
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type Context struct {
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Logger *slog.Logger
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AppID string
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Headless bool
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}
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type CtxOption func(*Context)
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func CreateCtx(options ...CtxOption) *Context {
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ctx := &Context{}
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for _, option := range options {
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option(ctx)
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}
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return ctx
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}
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func RunHeadless(opt bool) CtxOption {
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return func(ctx *Context) {
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ctx.Headless = opt
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}
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}
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func WithAppID(id string) CtxOption {
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return func(ctx *Context) {
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ctx.AppID = id
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}
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}
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func WithLogger(logger *slog.Logger) CtxOption {
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return func(ctx *Context) {
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ctx.Logger = logger
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}
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}
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type HeadlessFlag bool
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func (f *HeadlessFlag) AfterApply() error {
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if os.Getenv("DISPLAY") == "" && !*f {
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slog.Warn("DISPLAY not set, running in headless mode by default (specify --terminal to suppress this warning).")
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*f = true
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}
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return nil
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}
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func showHelpTxt(file string) string {
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assetFile := filepath.Join(assetsPath, file+assetsExt)
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helpTxt, err := content.ReadFile(assetFile)
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if err != nil {
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slog.Error("Cannot read help text.", slog.Any("error", err))
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}
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return string(helpTxt)
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}
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