Fixing channel drop (cleanup in other tables + order of reference drop)

Dependencies

• [2] NGCTMCDP cleaning up the deps and revdeps of unused changes after a channel drop
• [3] I24UEJQL Various post-fire fixes
• [4] VO5OQW4W Removing anyhow in libpijul
• [5] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).
• [6] TZ42DX3B Properly dropping a channel

Change contents

• edit in libpijul/src/pristine/sanakirja.rs at line 1796
  [3.1137]

  [3.1137]
  + btree::del(&mut self.txn, &mut self.channels, &name, None)?;
• edit in libpijul/src/pristine/sanakirja.rs at line 1816
  [2.825]

  [2.825]
  + let mut deps = Vec::new();
• replacement in libpijul/src/pristine/sanakirja.rs at line 1818
  [2.871]→[2.871:1028](∅→∅)
  − while btree::del(&mut self.txn, &mut self.dep, ch, None)? {}

  − while btree::del(&mut self.txn, &mut self.revdep, ch, None)? {}
  [2.871]

  [2.1028]
  + for x in btree::iter(&self.txn, &self.dep, Some((ch, None)))? {

  + let (k, v) = x?;

  + if k > ch {

  + break

  + }

  + deps.push((*k, *v));

  + }

  + for (k, v) in deps.drain(..) {

  + btree::del(&mut self.txn, &mut self.revdep, &k, Some(&v))?;

  + btree::del(&mut self.txn, &mut self.revdep, &v, Some(&k))?;

  + }
• edit in libpijul/src/pristine/sanakirja.rs at line 1834
  [3.1359]

  [3.1359]
  + Ok(true)

  + } else {

  + Ok(false)
• edit in libpijul/src/pristine/sanakirja.rs at line 1838
  [3.1369]→[3.1369:1441](∅→∅)
  − Ok(btree::del(&mut self.txn, &mut self.channels, &name, None)?)
• edit in libpijul/src/pristine/sanakirja.rs at line 1995
  [3.16714]→[3.574593:574650](∅→∅),[3.574593]→[3.574593:574650](∅→∅)
  − debug!("Commit_channel. This is not too safe.");