git-log

Showing HEAD commit logs

Show HEAD commit

$ git log -1
>>> commit = repo[repo.head.target]
>>> commit.message
'commit message'

Traverse commit history

$ git log
>>> last = repo[repo.head.target]
>>> for commit in repo.walk(last.id, pygit2.GIT_SORT_TIME):
>>>     print(commit.message) # or some other operation

Show trailers from the last commit

$ git log --format='%(trailers:key=Bug)'
>>> last = repo[repo.head.target]
>>> for commit in repo.walk(last.id, pygit2.GIT_SORT_TIME):
>>>     print(commit.message_trailers.get('Bug'))

References