Fixing git import, and adding more useful feedback (with `RUST_LOG="pijul=info"`)

Dependencies

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

Change contents

• replacement in pijul/src/commands/git.rs at line 262
  [2.145258]→[2.145258:145293](∅→∅)
  − info!("TODO: {:?}", todo);
  [2.145258]

  [2.145293]
  + debug!("TODO: {:?}", todo);
• replacement in pijul/src/commands/git.rs at line 575
  [2.157384]→[2.157384:157433](∅→∅)
  − info!("record prefixes {:?}", prefixes);
  [2.157384]

  [2.157433]
  + debug!("record prefixes {:?}", prefixes);
• replacement in pijul/src/commands/git.rs at line 603
  [2.158287]→[2.158287:158352](∅→∅)
  − info!("recording on channel {:?}", channel.borrow().name());
  [2.158287]

  [2.158352]
  + debug!("recording on channel {:?}", channel.borrow().name());
• edit in pijul/src/commands/git.rs at line 607
  [2.158463]

  [2.158463]
  + if let Some(msg) = commit.message() {

  + info!("Importing commit {:?}: {}", child, msg);

  + } else {

  + info!("Importing commit {:?} (no message)", child);

  + }
• replacement in pijul/src/commands/git.rs at line 668
  [2.160306]→[2.160306:160364](∅→∅)
  − Ok(txn.current_state(&channel.borrow()).unwrap())
  [2.160306]

  [2.160364]
  + Ok(txn

  + .current_state(&channel.borrow())

  + .unwrap_or(Merkle::zero()))