175 

   176 /// Returns whether the given `path` is on a network file system.

   177 /// Taken from `cargo`'s codebase.

   178 #[cfg(target_os = "linux")]

   179 pub(crate) fn is_on_nfs_mount(path: impl AsRef<Path>) -> bool {

   180     use std::ffi::CString;

   181     use std::mem;

   182     use std::os::unix::prelude::*;

   183 

   184     let path = match CString::new(path.as_ref().as_os_str().as_bytes()) {

   185         Ok(path) => path,

   186         Err(_) => return false,

   187     };

   188 

   189     unsafe {

   190         let mut buf: libc::statfs = mem::zeroed();

   191         let r = libc::statfs(path.as_ptr(), &mut buf);

   192 

   193         r == 0 && buf.f_type as u32 == libc::NFS_SUPER_MAGIC as u32

   194     }

   195 }