Class GitCherryPickParser

app/src/lib/git/cherry-pick.ts:73–97

* A parser to read and emit cherry pick progress from Git `stdout`. * * Each successful cherry picked commit outputs a set of lines similar to the * following example: * [branchName commitSha] commitSummary * Date: timestamp * 1 file changed, 1 insertion(+) * create mode 100

 *      create mode 100644 filename
 */
class GitCherryPickParser {
  public constructor(
    private readonly commits: ReadonlyArray<CommitOneLine>,
    private count: number = 0
  ) {}

  public parse(line: string): IMultiCommitOperationProgress | null {
    const cherryPickRe = /^\[(.*\s.*)\]/
    const match = cherryPickRe.exec(line)
    if (match === null) {
      // Skip lines that don't represent the first line of a successfully picked
      // commit. -- i.e. timestamp, files changed, conflicts, etc..
      return null
    }
    this.count++

    return {
      kind: 'multiCommitOperation',
      value: round(this.count / this.commits.length, 2),
      position: this.count,
      totalCommitCount: this.commits.length,
      currentCommitSummary: this.commits[this.count - 1]?.summary ?? '',
    }
  }
}

/**
 * This method merges `baseOptions` with a call back method that obtains a