Fixing the error message for external commands

Dependencies

• [2] SNZ3OAMC use native external subcommand support instead of hand-rolled one
• [3] RJMQSZER External commands
• [4] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).
• [5] 6GI4CC6J Prefix external subcommands with pijul-

Change contents

• replacement in pijul/src/main.rs at line 200
  [3.1004]→[3.1004:1063](∅→∅)
  − Err(std::process::Command::new(cmd).args(args).exec())
  [3.1004]

  [3.1063]
  + writeln!(

  + std::io::stderr(),

  + "Error while running {:?}: {}",

  + cmd,

  + std::process::Command::new(&cmd).args(args).exec()

  + )

  + .unwrap_or(());

  + std::process::exit(1)
• replacement in pijul/src/main.rs at line 216
  [2.599]→[3.1166:1241](∅→∅),[3.1166]→[3.1166:1241](∅→∅)
  − let mut spawned = std::process::Command::new(cmd).args(args).spawn()?;
  [2.599]

  [3.1241]
  + let mut spawned = match std::process::Command::new(&cmd).args(args).spawn() {

  + Ok(spawned) => spawned,

  + Err(e) => {

  + writeln!(std::io::stderr(), "Error while running {:?}: {}", cmd, e).unwrap_or(());

  + std::process::exit(1)

  + }

  + };