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|
package main
import (
"context"
"flag"
"log"
"os"
"os/signal"
"syscall"
)
var (
hostDir = flag.String("host", "/host", "Host source directory (read-only)")
dataDir = flag.String("data", "/data", "Data destination directory")
verbose = flag.Bool("verbose", false, "Enable verbose logging (shorthand for -log-level debug)")
logLevel = flag.String("log-level", "info", "Log level: debug, info, warn, error, none")
dryRun = flag.Bool("dry-run", false, "Preview what would be synced without copying")
)
func main() {
flag.Parse()
if *verbose {
*logLevel = "debug"
}
level, err := ParseLogLevel(*logLevel)
if err != nil {
log.Fatal(err)
}
SetLogLevel(level)
log.SetFlags(0)
log.SetOutput(nil)
stack := NewGitignoreStack(*hostDir)
manifest, err := initialSync(*hostDir, *dataDir, stack, *dryRun)
if err != nil {
logErrorf("initial sync failed: %v", err)
os.Exit(1)
}
if *dryRun {
logInfo("dry-run complete, exiting")
return
}
logInfo("watcher: ready, monitoring for changes ...")
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
defer cancel()
if err := watch(ctx, *hostDir, *dataDir, manifest, stack, *dryRun); err != nil {
logErrorf("watcher failed: %v", err)
os.Exit(1)
}
}
|
