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// The sharefs FUSE filesystem is a permissionless shared filesystem.
//
// This filesystem is the primary means of file sharing between hakurei
// application containers. It serves the same purpose in Rosa OS as /sdcard
// does in AOSP.
//
// See help message for all available options.
package main
import (
"log"
"os"
"slices"
)
// sharefsName is the prefix used by log.std in the sharefs process.
const sharefsName = "sharefs"
// handleMountArgs returns an alternative, libfuse-compatible args slice for
// args passed by mount -t fuse.sharefs [options] sharefs <mountpoint>.
//
// In this case, args always has a length of 5 with index 0 being what comes
// after "fuse." in the filesystem type, 1 is the uninterpreted string passed
// to mount (sharefsName is used as the magic string to enable this hack),
// 2 is passed through to libfuse as mountpoint, and 3 is always "-o".
func handleMountArgs(args []string) []string {
if len(args) == 5 && args[1] == sharefsName && args[3] == "-o" {
return []string{sharefsName, args[2], "-o", args[4]}
}
return slices.Clone(args)
}
func main() {
log.SetFlags(0)
log.SetPrefix(sharefsName + ": ")
os.Exit(_main(handleMountArgs(os.Args)...))
}
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