Function getCommits

evals/buffbench/pick-commits.ts:122–163

(repoPath: string, limit: number, afterCommit?: string)

const userInputId = 'commit-picker'

function getCommits(repoPath: string, limit: number, afterCommit?: string): CommitInfo[] {
  const gitArgs = [
    'log',
    '--pretty=format:%H|%an|%ad|%s',
    '--date=iso',
    '-n',
    limit.toString(),
  ]

  // If afterCommit is specified, start from that commit's parent
  if (afterCommit) {
    gitArgs.push(`${afterCommit}^`) // Start from the parent of the specified commit
  }

  const gitLogOutput = execFileSync(
    'git',
    gitArgs,
    { cwd: repoPath, encoding: 'utf-8' },
  )

  const lines = gitLogOutput.split('\n').filter((line) => line.trim() !== '')

  return lines.map((line) => {
    const [sha, author, date, ...messageParts] = line.split('|')
    const message = messageParts.join('|')

    // Get stats for this commit
    const statsOutput = execFileSync('git', ['show', '--stat', sha], {
      cwd: repoPath,
      encoding: 'utf-8',
    })
    const stats = parseGitStats(statsOutput)

    return {
      sha,
      author,
      date,
      message,
      stats,
    }
  })
}

function parseGitStats(statsOutput: string): {
  filesChanged: number