Moving to temporary paths when outputting

Dependencies

• [2] I24UEJQL Various post-fire fixes
• [3] VNBLGT6G Do not output unmodified files when resetting (fix)
• [4] JP3BYVXX Fixing file paths on Windows
• [5] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).
• [6] VO5OQW4W Removing anyhow in libpijul

Change contents

• edit in libpijul/src/working_copy/filesystem.rs at line 310
  [3.215542]→[3.215542:215681](∅→∅)
  − }

  − if let Err(e) = std::fs::rename(&former, &new) {

  − error!("while renaming {:?} to {:?}: {:?}", former, new, e)
• edit in libpijul/src/working_copy/filesystem.rs at line 311
  [3.215691]

  [3.215691]
  + std::fs::rename(&former, &new)?;
• replacement in libpijul/src/output/output.rs at line 71
  [2.74185]→[2.74185:74249](∅→∅)
  − work: Arc<crossbeam_deque::Injector<(OutputItem, String)>>,
  [2.74185]

  [2.74249]
  + work: Arc<crossbeam_deque::Injector<(OutputItem, String, Option<String>)>>,
• replacement in libpijul/src/output/output.rs at line 80
  [2.74562]→[2.74562:74608](∅→∅)
  − Steal::Success((item, path)) => {
  [2.74562]

  [2.74608]
  + Steal::Success((item, path, tmp)) => {
• replacement in libpijul/src/output/output.rs at line 82
  [2.74656]→[2.74656:74721](∅→∅)
  − info!("Outputting {:?}, on thread {}", path, t);
  [2.74656]

  [2.74721]
  + info!("Outputting {:?} (tmp {:?}), on thread {}", path, tmp, t);

  + let path = tmp.as_deref().unwrap_or(&path);
• replacement in libpijul/src/output/output.rs at line 91
  [2.74950]→[2.74950:74977](∅→∅)
  − &path,
  [2.74950]

  [2.74977]
  + path,
• replacement in libpijul/src/output/output.rs at line 94
  [2.75059]→[2.75059:75128](∅→∅)
  − repo.set_permissions(&path, item.meta.permissions())
  [2.75059]

  [2.75128]
  + repo.set_permissions(path, item.meta.permissions())
• edit in libpijul/src/output/output.rs at line 178
  [2.77236]

  [2.77236]
  + None,
• edit in libpijul/src/output/output.rs at line 258
  [3.677226]

  [3.677226]
  + if let Some(ref mut tmp) = output_item.tmp {

  + path::push(tmp, file_name);

  + }
• edit in libpijul/src/output/output.rs at line 262
  [3.677310]

  [3.20283]
  + let mut tmp = output_item.tmp.take();
• edit in libpijul/src/output/output.rs at line 269
  [3.677537]

  [3.677537]
  + &mut tmp,
• replacement in libpijul/src/output/output.rs at line 288
  [3.678091]→[3.20407:20454](∅→∅)
  − repo.create_dir_all(&path)
  [3.678091]

  [3.20454]
  + let tmp_ = tmp.as_deref().unwrap_or(&path);

  + repo.create_dir_all(tmp_)
• edit in libpijul/src/output/output.rs at line 301
  [2.79053]

  [2.79053]
  + tmp.as_deref(),
• replacement in libpijul/src/output/output.rs at line 307
  [2.79264]→[2.79264:79344](∅→∅)
  − repo.set_permissions(&path, output_item.meta.permissions())
  [2.79264]

  [2.79344]
  + repo.set_permissions(tmp_, output_item.meta.permissions())
• replacement in libpijul/src/output/output.rs at line 311
  [2.79485]→[2.79485:79557](∅→∅)
  − work.push((output_item.clone(), path.clone()));
  [2.79485]

  [3.963]
  + work.push((output_item.clone(), path.clone(), tmp.clone()));
• edit in libpijul/src/output/output.rs at line 325
  [3.679142]→[3.679142:679182](∅→∅),[3.679182]→[3.21021:21082](∅→∅),[3.21082]→[2.79558:79565](∅→∅)
  − for (a, b) in actual_moves.iter() {

  − repo.rename(a, b).map_err(OutputError::WorkingCopy)?

  − }

  −
• replacement in libpijul/src/output/output.rs at line 326
  [2.79625]→[2.79625:79694](∅→∅)
  − let o = output_loop(repo, changes, txn, channel, work, stop, 0);
  [2.79625]

  [2.79694]
  + let o = output_loop(repo.clone(), changes, txn, channel, work, stop, 0);
• edit in libpijul/src/output/output.rs at line 331
  [2.79753]

  [3.679215]
  + for (a, b) in actual_moves.iter() {

  + repo.rename(a, b).map_err(OutputError::WorkingCopy)?

  + }
• edit in libpijul/src/output/output.rs at line 368
  [3.679813]

  [3.679813]
  + tmp: &mut Option<String>,
• edit in libpijul/src/output/output.rs at line 404
  [3.21451]

  [3.681279]
  + if let Some(ref mut tmp) = tmp {

  + crate::path::push(tmp, &s);

  + } else {

  + *tmp = Some(tmp_path.clone());

  + }
• edit in libpijul/src/output/mod.rs at line 84
  [3.686440]

  [3.686440]
  + tmp: Option<String>,
• edit in libpijul/src/output/mod.rs at line 97
  [3.686737]

  [3.686737]
  + tmp: Option<&str>,
• edit in libpijul/src/output/mod.rs at line 171
  [3.689547]

  [3.689547]
  + tmp: tmp.map(String::from),
• edit in libpijul/src/output/archive.rs at line 158
  [3.692729]

  [3.692729]
  + None,
• edit in libpijul/src/output/archive.rs at line 228
  [3.695191]

  [3.695191]
  + None,