Fixing a bug introduced by the recent refactoring

Dependencies

• [2] 6YMDOZIB Refactoring apply
• [3] HMMMKONL Fixing alive vertices
• [4] CCLLB7OI Upgrading to Sanakirja 0.15 + version bump
• [5] VO5OQW4W Removing anyhow in libpijul
• [6] I52XSRUH Massive cleanup, and simplification
• [7] BXD3IQYN Fixing --features git
• [8] BD5PC25A Deleting conflict resolution vertices when the sides are deleted
• [9] GHO6DWPI Refactoring iterators
• [*] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).

Change contents

• replacement in libpijul/src/pristine/mod.rs at line 1715
  [3.3146]→[3.907:964](∅→∅)
  − panic!("alive call line {}: {:?}", line, alive);
  [3.3146]

  [3.3190]
  + if !alive.is_empty() {

  + panic!("alive call line {}: {:?}", line, alive);

  + } else {

  + panic!("reachable: {:?}", reachable);

  + }
• edit in libpijul/src/apply.rs at line 819
  [2.21011]

  [2.21011]
  + debug!(

  + "Deleting {:?} {:?} {:?} {:?}",

  + a, b, p.introduced_by, p.flag

  + );
• edit in libpijul/src/apply.rs at line 832
  [11.972877]

  [2.21228]
  + debug!("repair down");
• replacement in libpijul/src/apply.rs at line 843
  [2.21475]→[2.21475:21515](∅→∅)
  − } else if !p.flag.is_folder() {
  [2.21475]

  [2.21515]
  + } else if b_is_alive && !p.flag.is_folder() {

  + debug!("repair up");