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/*
snkt is a static site generator for simple blog-like sites with a focus on simplicity and efficiency.
*/
package main
import (
"adammathes.com/snkt/config"
"adammathes.com/snkt/render"
"adammathes.com/snkt/site"
"adammathes.com/snkt/vlog"
"adammathes.com/snkt/web"
"fmt"
"github.com/fsnotify/fsnotify"
flag "github.com/ogier/pflag"
)
func main() {
var configFile, init_dir string
var build, serve, version, verbose, help, watch bool
flag.StringVarP(&configFile, "config", "c", "config.yml", "`configuration` file")
flag.StringVarP(&init_dir, "init", "i", "", "initialize new site at `directory`")
flag.BoolVarP(&build, "build", "b", false, "generates site from input files and templates")
flag.BoolVarP(&serve, "serve", "s", false, "serve site via integrated HTTP server")
flag.BoolVarP(&help, "help", "h", false, "print usage information")
flag.BoolVarP(&verbose, "verbose", "v", false, "log operations during build to STDOUT")
flag.BoolVarP(&watch, "watch", "w", false, "watch configured input text dir, rebuild on changes")
flag.Parse()
if !watch && !help && !build && !serve && !version && init_dir == "" {
flag.Usage()
return
}
if init_dir != "" {
fmt.Printf("initializing new site in %s\n", init_dir)
site.Init(init_dir)
return
}
if help {
flag.Usage()
fmt.Printf("code and docs: https://github.com/adammathes/snkt \n")
return
}
config.Init(configFile)
if verbose {
config.Config.Verbose = true
}
render.Init()
if build {
buildSite()
}
if serve {
fmt.Printf("serving [%s] at [%s]\n",
config.Config.PreviewServer, config.Config.PreviewDir)
// run on goroutine so watcher can start and block if needed
go web.Serve(config.Config.PreviewServer, config.Config.PreviewDir)
}
if watch {
fmt.Printf("watching %s\n", config.Config.TxtDir)
watchSite()
}
// run preview server perpetually
if serve {
done := make(chan bool)
<-done
}
}
func buildSite() {
var s site.Site
vlog.Printf("reading posts...\n")
s.Read()
vlog.Printf("writing posts and archives...\n")
s.Write()
}
func watchSite() {
watcher, err := fsnotify.NewWatcher()
if err != nil {
panic(err)
}
defer watcher.Close()
done := make(chan bool)
go func() {
for {
select {
case event := <-watcher.Events:
if event.Op&fsnotify.Write == fsnotify.Write {
fmt.Printf("rebuilding\n")
buildSite()
}
case err := <-watcher.Errors:
vlog.Printf("error: %v", err)
}
}
}()
err = watcher.Add(config.Config.TxtDir)
if err != nil {
panic(err)
}
<-done
}
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