Adding /tmp to containers

pmeunier

Jul 2, 2025, 9:22 PM

A7YP2YT6WQ4WDFQTQRHPFC7EFJBCWYHV6HERQD6CUTWUBC4FLBTAC

Dependencies

• [2] YJYXDY6A Capturing stdout/stderr for the derivations that ask
• [3] NWEGAWPP Mounting /proc, /sys and /dev in the chroot
• [4] BQ4E3XLA Forwarding stdout/stderr
• [5] ODUDDQRY Adding the OCaml interface
• [*] VWVW5VOI Copying the sources in /src instead of /

Change contents

• replacement in src/container.rs at line 234
  [4.50140]→[4.50140:50195](∅→∅)
  − debug!("run in container, path = {:#?}", r.paths);
  [4.50140]

  [4.50195]
  + debug!(

  + "run in container, {:?} {:?} path = {:#?}",

  + r.name, r.target, r.paths

  + );
• replacement in src/container.rs at line 245
  [4.50441]→[4.50441:50442](∅→∅)
  −
  [4.50441]

  [4.50442]
  + debug!("name = {:?}", name);
• edit in src/container.rs at line 344
  [4.53121]

  [2.306]
  + info!("removing {:?}", tmp_dir);

  + std::fs::remove_dir_all(&tmp_dir).unwrap_or(());
• edit in src/container.rs at line 495
  [7.79]

  [4.57268]
  + let tmp_tmp = tmp_dir.join("tmp");

  + std::fs::create_dir_all(&tmp_tmp)?;
• edit in src/container.rs at line 501
  [4.57373]

  [3.0]
  + std::mem::forget(mount::Mount::ramfs(&tmp_tmp).unwrap());

  + let mut perm = std::fs::metadata(&tmp_tmp).unwrap().permissions();

  + perm.set_mode(0o777);

  + std::fs::set_permissions(&tmp_tmp, perm).unwrap();

  + std::os::unix::fs::chown(tmp_dir, Some(uid), Some(gid)).unwrap();

  +
• replacement in src/container.rs at line 616
  [4.61176]→[4.61176:61247](∅→∅)
  − panic!("execve failed: {:?}", std::io::Error::last_os_error())
  [4.61176]

  [4.61247]
  +

  + panic!(

  + "execve failed: {:?} {:?}",

  + c,

  + std::io::Error::last_os_error()

  + )
• edit in src/container.rs at line 676
  [4.62967]

  [4.62967]
  + let path = path.strip_prefix(p).unwrap();