commands/pushpull: show change description if it exists

Dependencies

• [2] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).

Change contents

• edit in pijul/src/commands/pushpull.rs at line 347
  [2.122345]

  [2.122345]
  + }

  + if let Some(desc) = change.description {

  + writeln!(v).unwrap();

  + for l in desc.lines() {

  + writeln!(v, " {}", l).unwrap();

  + }