/
mount.go
97 lines (90 loc) · 2.23 KB
/
mount.go
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package command
import (
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"bazil.org/fuse"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/kardianos/osext"
"github.com/ChrisRx/dungeonfs/pkg/eval"
"github.com/ChrisRx/dungeonfs/pkg/game/assets"
"github.com/ChrisRx/dungeonfs/pkg/game/engine"
fs "github.com/ChrisRx/dungeonfs/pkg/game/fs/core"
"github.com/ChrisRx/dungeonfs/pkg/logging"
)
func NewMountCommand() *cobra.Command {
sc := &cobra.Command{
Use: "mount [mountpoint]",
Run: runMountCommand,
}
sc.Flags().CountP("debug", "v", "")
sc.Flags().BoolP("daemon", "d", false, "")
sc.Flags().StringP("assets", "a", "examples/simplelevel", "")
viper.BindPFlags(sc.Flags())
return sc
}
func runMountCommand(cmd *cobra.Command, args []string) {
if len(args) != 1 {
log.Fatal("Need mountpoint")
}
if _, err := os.Stat(viper.GetString("assets")); os.IsNotExist(err) {
log.Fatal("Assets not found")
}
if _, err := os.Stat(args[0]); os.IsNotExist(err) {
os.Mkdir(args[0], 0755)
}
if viper.GetBool("daemon") {
opts := []string{
"mount",
args[0],
"-a",
viper.GetString("assets"),
}
if viper.GetBool("debug") {
opts = append(opts, "-v")
}
exe, err := osext.Executable()
if err != nil {
log.Fatal("Unable to determine exectuable path, can't start daemon")
}
cmd := exec.Command(exe, opts...)
cmd.Start()
pid := fmt.Sprintf("%d\n", cmd.Process.Pid)
ioutil.WriteFile("/tmp/dungeonfs.pid", []byte(pid), 0755)
os.Exit(0)
}
if viper.GetInt("debug") > 0 {
fs.PkgLogger = &logging.DefaultLogger{}
engine.PkgLogger = &logging.DefaultLogger{}
assets.PkgLogger = &logging.DefaultLogger{}
if viper.GetInt("debug") > 1 {
eval.PkgLogger = &logging.DefaultLogger{}
}
}
r := assets.New()
d, err := r.LoadDir(viper.GetString("assets"))
if err != nil {
log.Fatal(err)
}
fs.GameEngine = engine.NewEngine(r)
f, err := fs.NewFS(d)
if err != nil {
log.Fatal(err)
}
if err = f.MountAndServe(args[0], false); err != nil {
if _, ok := err.(*fuse.MountpointDoesNotExistError); !ok {
err := fuse.Unmount(args[0])
if err != nil {
log.Fatal(err)
}
if err = f.MountAndServe(args[0], viper.GetBool("readonly")); err != nil {
log.Fatal(err)
}
} else {
log.Fatal(err)
}
}
}