Fixing the "invalid change" errors

Dependencies

• [2] GHO6DWPI Refactoring iterators
• [3] 6YMDOZIB Refactoring apply
• [4] CCLLB7OI Upgrading to Sanakirja 0.15 + version bump
• [5] I52XSRUH Massive cleanup, and simplification
• [6] VO5OQW4W Removing anyhow in libpijul
• [7] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).

Change contents

• replacement in libpijul/src/unrecord/mod.rs at line 302
  [3.239152]→[3.25333:25374](∅→∅),[3.8260]→[3.239191:239430](∅→∅),[3.25374]→[3.239191:239430](∅→∅),[3.239191]→[3.239191:239430](∅→∅)
  − if is_alive(txn, channel, up)? {

  − crate::missing_context::repair_missing_down_context(

  − txn,

  − channel,

  − &mut ws.apply.missing_context,

  − inode,

  − up,

  − &[up],

  − )?
  [3.239152]

  [3.239430]
  + if !is_alive(txn, channel, up)? {

  + continue;
• edit in libpijul/src/unrecord/mod.rs at line 305
  [3.239440]

  [3.239440]
  + crate::missing_context::repair_missing_down_context(

  + txn,

  + channel,

  + &mut ws.apply.missing_context,

  + inode,

  + up,

  + &[up],

  + )?
• edit in libpijul/src/unrecord/mod.rs at line 317
  [3.1552]

  [3.8261]
  + if !is_alive(txn, channel, down)? {

  + continue;

  + }
• replacement in libpijul/src/apply.rs at line 614
  [3.963431]→[3.19548:19600](∅→∅)
  − if (n.previous.is_block() != n.flag.is_block())
  [3.963431]

  [3.19600]
  + if (n.previous.is_block() && !n.flag.is_block())
• replacement in libpijul/src/apply.rs at line 639
  [3.20045]→[2.65816:65885](∅→∅),[2.65885]→[3.130582:130632](∅→∅),[3.130582]→[3.130582:130632](∅→∅)
  − txn.split_block(graph, target, n.to.end, &mut ws.adjbuf)

  − .map_err(LocalApplyError::from)?;
  [3.20045]

  [3.964696]
  + txn.split_block(graph, target, n.to.end, &mut ws.adjbuf)?;
• replacement in libpijul/src/apply.rs at line 644
  [3.964790]→[3.130633:130730](∅→∅)
  − collect_pseudo_edges(txn, graph, ws, inode, target).map_err(LocalApplyError::from)?;
  [3.964790]

  [3.964858]
  + collect_pseudo_edges(txn, graph, ws, inode, target)?;