printCommit method
Implementation
void printCommit(GitRepository repo, GitCommit commit, GitHash sha) {
var author = commit.author;
print('commit $sha');
print('Author: ${author.name} <${author.email}>');
print('Date: ${author.date.toIso8601String()}');
print('');
for (var line in LineSplitter.split(commit.message)) {
print(' $line');
}
print('');
}