mirror of
https://github.com/charmbracelet/glow
synced 2024-11-10 06:04:18 +00:00
90 lines
2.1 KiB
Go
90 lines
2.1 KiB
Go
package main
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import (
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"fmt"
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"os"
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"path"
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"path/filepath"
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"github.com/charmbracelet/x/editor"
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gap "github.com/muesli/go-app-paths"
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"github.com/spf13/cobra"
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)
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const defaultConfig = `# style name or JSON path (default "auto")
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style: "auto"
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# mouse support (TUI-mode only)
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mouse: false
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# use pager to display markdown
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pager: false
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# word-wrap at width
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width: 80
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`
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func defaultConfigFile() string {
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scope := gap.NewScope(gap.User, "glow")
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path, _ := scope.ConfigPath("glow.yml")
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return path
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}
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var configCmd = &cobra.Command{
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Use: "config",
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Hidden: false,
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Short: "Edit the glow config file",
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Long: paragraph(fmt.Sprintf("\n%s the glow config file. We’ll use EDITOR to determine which editor to use. If the config file doesn't exist, it will be created.", keyword("Edit"))),
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Example: paragraph("glow config\nglow config --config path/to/config.yml"),
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Args: cobra.NoArgs,
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RunE: func(*cobra.Command, []string) error {
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if err := ensureConfigFile(); err != nil {
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return err
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}
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c, err := editor.Cmd("Glow", configFile)
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if err != nil {
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return err
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}
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c.Stdin = os.Stdin
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c.Stdout = os.Stdout
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c.Stderr = os.Stderr
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if err := c.Run(); err != nil {
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return err
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}
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fmt.Println("Wrote config file to:", configFile)
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return nil
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},
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}
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func ensureConfigFile() error {
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if configFile == "" {
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configFile = defaultConfigFile()
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if err := os.MkdirAll(filepath.Dir(configFile), 0o755); err != nil {
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return fmt.Errorf("Could not write config file: %w", err)
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}
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}
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if ext := path.Ext(configFile); ext != ".yaml" && ext != ".yml" {
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return fmt.Errorf("'%s' is not a supported config type: use '%s' or '%s'", ext, ".yaml", ".yml")
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}
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if _, err := os.Stat(configFile); os.IsNotExist(err) {
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// File doesn't exist yet, create all necessary directories and
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// write the default config file
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if err := os.MkdirAll(filepath.Dir(configFile), 0o700); err != nil {
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return err
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}
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f, err := os.Create(configFile)
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if err != nil {
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return err
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}
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defer func() { _ = f.Close() }()
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if _, err := f.WriteString(defaultConfig); err != nil {
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return err
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}
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} else if err != nil { // some other error occurred
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return err
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}
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return nil
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}
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