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// Command nebbet is the CLI for the nebbet.no static site generator.
//
// Usage:
//
// nebbet build – build all pages once
// nebbet watch – watch for changes and rebuild
// nebbet serve [--port N] – serve with live admin UI + watch mode
// nebbet user add <name> – add a user to the passwords file
// nebbet user list – list users
// nebbet user delete <name> – remove a user
// nebbet user passwd <name> – change a user's password
package main
import (
"flag"
"fmt"
"os"
"nebbet.no/internal/admin"
"nebbet.no/internal/admin/auth"
"nebbet.no/internal/builder"
"nebbet.no/internal/db"
)
const (
contentDir = "content"
outputDir = "public"
postsDir = "content/posts"
dataDir = "data"
metaDBPath = "data/meta.db"
searchDBPath = "data/search.db"
passwordFile = ".passwords"
)
func main() {
if len(os.Args) < 2 {
usage()
os.Exit(1)
}
switch os.Args[1] {
case "build":
cmdBuild(os.Args[2:])
case "watch":
cmdWatch()
case "serve":
cmdServe(os.Args[2:])
case "user":
cmdUser(os.Args[2:])
default:
fmt.Fprintf(os.Stderr, "unknown command %q\n", os.Args[1])
usage()
os.Exit(1)
}
}
func cmdBuild(args []string) {
fs := flag.NewFlagSet("build", flag.ExitOnError)
watch := fs.Bool("watch", false, "watch for changes and rebuild")
_ = fs.Parse(args)
b := mustBuilder()
defer b.MetaDB.Close()
defer b.SearchDB.Close()
if err := b.BuildAll(); err != nil {
fmt.Fprintln(os.Stderr, "build error:", err)
os.Exit(1)
}
if *watch {
if err := b.Watch(); err != nil {
fmt.Fprintln(os.Stderr, "watch error:", err)
os.Exit(1)
}
}
}
func cmdWatch() {
b := mustBuilder()
defer b.MetaDB.Close()
defer b.SearchDB.Close()
if err := b.BuildAll(); err != nil {
fmt.Fprintln(os.Stderr, "build error:", err)
os.Exit(1)
}
if err := b.Watch(); err != nil {
fmt.Fprintln(os.Stderr, "watch error:", err)
os.Exit(1)
}
}
func cmdServe(args []string) {
fs := flag.NewFlagSet("serve", flag.ExitOnError)
port := fs.String("port", "8080", "port to listen on")
_ = fs.Parse(args)
b := mustBuilder()
defer b.MetaDB.Close()
defer b.SearchDB.Close()
// Initial build.
if err := b.BuildAll(); err != nil {
fmt.Fprintln(os.Stderr, "build error:", err)
os.Exit(1)
}
// Watch in background.
go func() {
if err := b.Watch(); err != nil {
fmt.Fprintln(os.Stderr, "watch error:", err)
}
}()
// Create admin server with Gin
adminSrv := admin.NewServer(postsDir, passwordFile, b)
engine := adminSrv.Engine()
// Serve dependencies (lib/)
engine.Static("/lib", "lib")
// Serve static site from public/
engine.Static("/", outputDir)
addr := ":" + *port
fmt.Printf("listening on http://localhost%s\n", addr)
fmt.Printf(" public site: http://localhost%s/\n", addr)
fmt.Printf(" admin UI: http://localhost%s/admin/\n", addr)
if err := engine.Run(addr); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
// ── user ─────────────────────────────────────────────────────────────────────
func cmdUser(args []string) {
if len(args) == 0 {
fmt.Fprintln(os.Stderr, "usage: nebbet user <add|list|delete|passwd> [username]")
os.Exit(1)
}
a := auth.New(passwordFile)
switch args[0] {
case "add":
requireArg(args, 1, "nebbet user add <username>")
if err := a.AddUser(args[1]); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
fmt.Println("user added:", args[1])
case "list":
users, err := a.ListUsers()
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if len(users) == 0 {
fmt.Println("(no users)")
return
}
for _, u := range users {
fmt.Println(u)
}
case "delete":
requireArg(args, 1, "nebbet user delete <username>")
if err := a.DeleteUser(args[1]); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
fmt.Println("user deleted:", args[1])
case "passwd":
requireArg(args, 1, "nebbet user passwd <username>")
if err := a.ChangePassword(args[1]); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
fmt.Println("password updated:", args[1])
default:
fmt.Fprintf(os.Stderr, "unknown user subcommand %q\n", args[0])
os.Exit(1)
}
}
func mustBuilder() *builder.Builder {
if err := os.MkdirAll(dataDir, 0755); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
meta, err := db.OpenMeta(metaDBPath)
if err != nil {
fmt.Fprintln(os.Stderr, "meta db:", err)
os.Exit(1)
}
search, err := db.OpenSearch(searchDBPath)
if err != nil {
fmt.Fprintln(os.Stderr, "search db:", err)
os.Exit(1)
}
return builder.New(contentDir, outputDir, meta, search)
}
func requireArg(args []string, n int, usage string) {
if len(args) <= n {
fmt.Fprintln(os.Stderr, "usage:", usage)
os.Exit(1)
}
}
func usage() {
fmt.Fprintln(os.Stderr, `nebbet — static site generator with admin
Commands:
build [--watch] build all pages (optionally watch for changes)
watch watch for changes and rebuild
serve [--port N] serve site + admin UI (default port 8080)
user add <name> add user to password file
user list list users
user delete <name> remove user
user passwd <name> change user password`)
}
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