"Mounting" files in the chroot, in addition to directories

pmeunier

Jun 27, 2025, 10:32 PM

IGILK765PMQRV56NFKU4BNBWL3NIEPGZGE7CQXQIYR5GVU4XOARAC

Dependencies

• [2] ODUDDQRY Adding the OCaml interface
• [3] BDEVQIAU Handle cyclic Ubuntu dependencies
• [4] NWEGAWPP Mounting /proc, /sys and /dev in the chroot

Change contents

• replacement in src/container.rs at line 500
  [2.57693]→[2.57693:57992](∅→∅)
  − std::fs::create_dir_all(&guest).unwrap();

  − debug!("created {:?} to {:?}", host, guest);

  − match mount::Mount::bind(host, guest.to_str().unwrap()) {

  − Ok(m) => std::mem::forget(m),

  − Err(e) => error!("{e:?}"),

  − }

  − debug!("mounted {:?}", guest);
  [2.57693]

  [2.57992]
  + let meta = std::fs::metadata(&host)?;
• edit in src/container.rs at line 513
  [2.58487]

  [2.58487]
  + if meta.is_dir() {

  + std::fs::create_dir_all(&guest).unwrap();

  + debug!("created {:?} to {:?}", host, guest);

  + match mount::Mount::bind(host, guest.to_str().unwrap()) {

  + Ok(m) => std::mem::forget(m),

  + Err(e) => error!("{e:?}"),

  + }

  + debug!("mounted {:?}", guest);

  + } else if meta.is_file() {

  + debug!("hardlinking file {:?}", guest);

  + std::fs::hard_link(&host, &guest)?;

  + }

  +