Allow specifying content options in the YAML file

go/blog/blog.go

@@ -1,6 +1,7 @@
package main
import (
	"bytes"
	"crypto/md5"
	"crypto/rand"
	"encoding/hex"
@@ -31,13 +32,13 @@ type Post struct {
}
type Options struct {
	WriteBack      bool
	HashIds        bool
	Reverse        bool
	Css            string
	NoDefaultStyle bool
	Title          string
	After          string
	WriteBack      bool   `yaml:"write_back"`
	HashIds        bool   `yaml:"hash_ids"`
	Reverse        bool   `yaml:"reverse"`
	Css            string `yaml:"css"`
	NoDefaultStyle bool   `yaml:"no_default_style"`
	Title          string `yaml:"title"`
	After          string `yaml:"after"`
}
var flags struct {
@@ -180,6 +181,47 @@ func main() {
		exit(err)
	}
	i := bytes.Index(data, []byte{'\n', '-', '-', '-', '\n'})
	if i != -1 && i != 0 {
		var opts Options
		err = yaml.Unmarshal(data[0:i+1], &opts)
		if err != nil {
			exit(err)
		}
		data = data[i+5:]
		isSet := map[string]bool{}
		flag.Visit(func(f *flag.Flag) {
			isSet[f.Name] = true
		})
		flag.VisitAll(func(f *flag.Flag) {
			_, ok := isSet[f.Name]
			if ok {
				return
			}
			switch f.Name {
			case "write-back":
				flags.WriteBack = opts.WriteBack
			case "hash-ids":
				flags.HashIds = opts.HashIds
			case "reverse":
				flags.Reverse = opts.Reverse
			case "css":
				flags.Css = opts.Css
			case "no-default-style":
				flags.NoDefaultStyle = opts.NoDefaultStyle
			case "title":
				if opts.Title != "" {
					flags.Title = opts.Title
				}
			case "after":
				flags.After = opts.After
			}
		})
	}
	var posts []Post
	err = yaml.Unmarshal(data, &posts)
	if err != nil {

go/blog/blog.yaml

@@ -1,3 +1,5 @@
title: A test blog
reverse: true
---
- title: pacman -Qo $(ls -1t --time=atime /usr/bin | tail -n30)
  content: