Show change messages when listing dependencies

Dependencies

• [2] 5FI6SBEZ Re-implement change printing and parsing
• [3] IUH7IMWE Contributor license agreements
• [4] VO5OQW4W Removing anyhow in libpijul
• [5] I24UEJQL Various post-fire fixes

Change contents

• edit in libpijul/src/change/text_changes.rs at line 97
  [4.40880]

  [4.40880]
  + fn change_message<C: ChangeStore>(changes: &C, change: &Hash) -> String {

  + match changes.get_header(change) {

  + // unwrap safe: will always be at least one line

  + Ok(h) => h.message.lines().next().unwrap().to_string(),

  + Err(e) => format!("[couldn't get change description: {}]", e),

  + }

  + }

  +
• replacement in libpijul/src/change/text_changes.rs at line 127
  [4.41710]→[4.41710:41771](∅→∅)
  − writeln!(w, "[{}] {}", i, dep.to_base32())?;
  [4.41710]

  [4.41771]
  + writeln!(

  + w,

  + "[{}] {} # {}",

  + i,

  + dep.to_base32(),

  + change_message(changes, dep)

  + )?;
• replacement in libpijul/src/change/text_changes.rs at line 145
  [4.42107]→[4.42107:42171](∅→∅)
  − writeln!(w, "[{}]+{}", i, change.to_base32())?;
  [4.42107]

  [4.42171]
  + writeln!(

  + w,

  + "[{}]+{} # {}",

  + i,

  + change.to_base32(),

  + change_message(changes, &change)

  + )?;
• replacement in libpijul/src/change/text_changes.rs at line 160
  [4.42367]→[4.42367:42424](∅→∅)
  − writeln!(w, "[*] {}", dep.to_base32())?;
  [4.42367]

  [4.42424]
  + writeln!(

  + w,

  + "[*] {} # {}",

  + dep.to_base32(),

  + change_message(changes, dep)

  + )?;
• edit in libpijul/src/change/parse.rs at line 595
  [2.80926]

  [2.80926]
  + }

  +

  + pub fn parse_comment(i: &str) -> IResult<&str, ()> {

  + let (i, _) = char('#')(i)?;

  + let (i, _) = take_until("\n")(i)?;

  + Ok((i, ()))
• replacement in libpijul/src/change/parse.rs at line 629
  [2.81688]→[2.81688:81722](∅→∅)
  − pair(space0, char('\n')),
  [2.81688]

  [2.81722]
  + tuple((space0, opt(parse_comment), char('\n'))),