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package main
import (
"embed"
"flag"
"fmt"
"log"
"os"
"os/exec"
"path/filepath"
"strconv"
"strings"
"text/template"
"time"
)
var (
//go:embed templates/*.tmpl
templates embed.FS
date = flag.String("date", time.Now().Format(time.DateOnly), "Publication date of the post")
routing = map[string]string{
"blog": "lume/src/blog",
"linkpost": "lume/src/blog",
"note": "lume/src/notes",
"talk": "lume/src/talks",
"xecast": "lume/src/xecast",
}
)
// go run ./cmd/hydrate <kind> <slug>
func init() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage: %s [flags] <kind> <slug>\n\n", filepath.Base(os.Args[0]))
fmt.Fprintln(os.Stderr, "Available kinds:")
templs, err := templates.ReadDir("templates")
if err != nil {
log.Panicf("can't read templates: %v", err)
}
for _, tmpl := range templs {
kind, ok := strings.CutSuffix(tmpl.Name(), filepath.Ext(tmpl.Name()))
if !ok {
log.Panicf("can't cut extension from %q", tmpl.Name())
}
fmt.Fprintln(os.Stderr, " *", kind)
}
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "Flags:")
flag.PrintDefaults()
os.Exit(2)
}
}
func main() {
tmpl, err := template.ParseFS(templates, "templates/*.tmpl")
if err != nil {
log.Fatalf("can't parse templates: %v", err)
}
flag.Parse()
if flag.NArg() != 2 {
flag.Usage()
}
kind := flag.Arg(0)
slug := flag.Arg(1)
year, err := yearOf(*date)
if err != nil {
log.Fatalf("can't parse year in %s: %v", *date, year)
}
os.MkdirAll(filepath.Join(routing[kind], year), 0755)
foutName := filepath.Join(routing[kind], year, slug+".mdx")
if _, err := os.Stat(foutName); !os.IsNotExist(err) {
log.Printf("Potential error when trying to verify %s doesn't exist: %v", foutName, err)
log.Println("Does the file already exist?")
os.Exit(1)
}
fout, err := os.Create(foutName)
if err != nil {
log.Fatalf("can't create %s: %v", foutName, err)
}
if err := tmpl.ExecuteTemplate(fout, kind+".tmpl", struct {
Date string
Year string
Slug string
}{
Date: *date,
Year: year,
Slug: slug,
}); err != nil {
log.Fatalf("error writing template: %v", err)
}
if err := fout.Close(); err != nil {
log.Fatalf("error closing output file: %v", err)
}
codePath, err := exec.LookPath("code")
if err != nil {
log.Println("hint: control shift p -> install code command")
log.Fatalf("can't find code command in $PATH: %v", err)
}
if err := exec.Command(codePath, foutName).Run(); err != nil {
log.Fatalf("can't open %s in VS Code: %v", foutName, err)
}
}
func yearOf(date string) (string, error) {
t, err := time.Parse(time.DateOnly, date)
if err != nil {
return "", err
}
return strconv.Itoa(t.Year()), nil
}
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