Proper separation of Git commit messages into a message and description fields in changes

Dependencies

• [2] 5SLOJYHG Fixing the Git feature
• [3] ZHABNS3S Canonicalize all paths
• [4] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).

Change contents

• edit in pijul/src/commands/git.rs at line 669
  [2.3732]

  [3.158463]
  + let msg = commit.message().unwrap();

  + let mut msg_lines = msg.lines();

  + let mut message = String::new();

  + if let Some(m) = msg_lines.next() {

  + message.push_str(m)

  + }

  + let mut description = String::new();

  + for m in msg_lines {

  + if !description.is_empty() {

  + description.push('\n')

  + }

  + description.push_str(m);

  + }
• replacement in pijul/src/commands/git.rs at line 690
  [3.158673]→[3.158673:158733](∅→∅)
  − message: commit.message().unwrap().to_string(),
  [3.158673]

  [3.158733]
  + message,
• replacement in pijul/src/commands/git.rs at line 696
  [3.158961]→[3.158961:158992](∅→∅)
  − description: None,
  [3.158961]

  [3.158992]
  + description: if description.is_empty() { None } else { Some(description) },