.pijul/config: simplify remotes and hooks

Dependencies

• [2] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).
• [3] L4JXJHWX pijul/*: reorganize imports and remove extern crate
• [4] VQPAUKBQ channel switch as an alias to reset
• [5] I52XSRUH Massive cleanup, and simplification
• [6] 4H2XTVJ2 Fix some mistakes in the docs

Change contents

• edit in pijul/src/config.rs at line 46
  [2.91124]

  [2.91124]
  + #[serde(default)]
• replacement in pijul/src/config.rs at line 48
  [2.91166]→[2.91166:91196](∅→∅)
  − pub hooks: Option<Hooks>,
  [2.91166]

  [2.91196]
  + #[serde(default)]

  + pub hooks: Hooks,
• edit in pijul/src/config.rs at line 54
  [2.91268]

  [2.91268]
  + #[serde(default)]
• replacement in pijul/src/commands/record.rs at line 55
  [2.102992]→[2.102992:103521](∅→∅)
  − if let Some(ref hooks) = repo.config.hooks {

  − for h in hooks.record.iter() {

  − let mut proc = std::process::Command::new("bash")

  − .current_dir(&repo.path)

  − .args(&["-c", &h])

  − .spawn()?;

  − let status = proc.wait()?;

  − if !status.success() {

  − writeln!(stderr, "Hook {:?} exited with code {:?}", h, status)?;

  − std::process::exit(status.code().unwrap_or(1))

  − }
  [2.102992]

  [2.103521]
  + for h in repo.config.hooks.record.iter() {

  + let mut proc = std::process::Command::new("bash")

  + .current_dir(&repo.path)

  + .args(&["-c", &h])

  + .spawn()?;

  + let status = proc.wait()?;

  + if !status.success() {

  + writeln!(stderr, "Hook {:?} exited with code {:?}", h, status)?;

  + std::process::exit(status.code().unwrap_or(1))