Method count_commits

atomic-cli/src/commands/git/import.rs:332–375

Count commits for dry-run mode.

(
        &self,
        git_repo: &GitRepository,
        head_oid: git2::Oid,
        imported_shas: &HashSet<String>,
        mainline_only: bool,
    )

    /// Count commits for dry-run mode.
    fn count_commits(
        &self,
        git_repo: &GitRepository,
        head_oid: git2::Oid,
        imported_shas: &HashSet<String>,
        mainline_only: bool,
    ) -> CliResult<usize> {
        let mut revwalk = git_repo.revwalk().map_err(|e| CliError::GitError {
            message: format!("Failed to create revwalk: {}", e),
        })?;

        revwalk.push(head_oid).map_err(|e| CliError::GitError {
            message: format!("Failed to push HEAD to revwalk: {}", e),
        })?;

        if mainline_only {
            revwalk
                .simplify_first_parent()
                .map_err(|e| CliError::GitError {
                    message: format!("Failed to simplify revwalk to first-parent history: {}", e),
                })?;
        }

        revwalk
            .set_sorting(Sort::TOPOLOGICAL | Sort::REVERSE)
            .map_err(|e| CliError::GitError {
                message: format!("Failed to set sorting: {}", e),
            })?;

        let mut count = 0;
        for oid_result in revwalk {
            let oid = oid_result.map_err(|e| CliError::GitError {
                message: format!("Revwalk error: {}", e),
            })?;

            if self.incremental && imported_shas.contains(&oid.to_string()) {
                continue;
            }

            count += 1;
        }

        Ok(count)
    }
}

impl Command for Import {