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// The svgu tool.
package main // import "go.nc0.fr/svgu"
import (
"flag"
"go.nc0.fr/svgu/pkg/config"
"go.nc0.fr/svgu/pkg/types"
"log"
"os"
"path/filepath"
)
var (
cfg = flag.String("c", "DOMAINS.star", "the configuration file to use.")
out = flag.String("o", "dst", "output directory")
verbose = flag.Bool("v", false, "prints additional information logs")
) // todo(nc0): verbose
func main() {
log.SetFlags(0)
log.SetPrefix("svgu: ")
flag.Parse()
// Check if the configuration file exists.
if *verbose {
log.Printf("checking if configuration file %q exists", cfg)
}
if cfg, err := filepath.Abs(*cfg); err != nil {
log.Fatalf("could not get absolute path of %s: %v", cfg, err)
}
if cfgfd, err := os.Stat(*cfg); os.IsNotExist(err) || cfgfd.IsDir() {
log.Fatalf("configuration file %q does not exist", cfg)
} else if err != nil {
log.Fatalf("could not stat %q: %v", cfg, err)
}
// Check if the output directory exists.
if *verbose {
log.Printf("checking if output directory %q exists", out)
}
if out, err := filepath.Abs(*out); err != nil {
log.Fatalf("could not get absolute path of %s: %v", out, err)
}
if outfd, err := os.Stat(*out); outfd != nil && outfd.IsDir() {
log.Fatalf("output directory %q already exists", out)
} else if err != nil && !os.IsNotExist(err) {
log.Fatalf("could not stat %q: %v", out, err)
}
// Execute the configuration file and get the registered modules.
if *verbose {
log.Printf("executing configuration file %q", cfg)
}
idx, err := config.ExecConfig(*cfg)
if err != nil {
log.Fatalf("could not execute configuration file %q: %v", cfg, err)
}
// Create the output directory.
if *verbose {
log.Printf("creating output directory %q", out)
}
if err := os.MkdirAll(*out, 0755); err != nil {
log.Fatalf("could not create output directory %q: %v", out, err)
}
// Generate the index file.
if *verbose {
log.Printf("generating index file")
}
if err := idx.GenerateFile(*out); err != nil {
log.Fatalf("could not generate index file: %v", err)
}
// Generate the modules.
if *verbose {
log.Printf("generating modules")
}
var mod *types.Module
for _, mod = range idx.Modules {
if err := mod.GenerateFile(*out, idx.Domain); err != nil {
log.Fatalf("could not generate module %q: %v", mod.Path, err)
}
}
}
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