comparison rust/hg-core/src/revset.rs @ 48078:ddde80830aea

rust-revset: add separate match logic for shortcuts

The next change will add a shortcut for the `.` revision.
One day we might start matching `tip` and others, so this is an easy refactor.

Differential Revision: https://phab.mercurial-scm.org/D11401

48077:ba773bd99203

    input: &str,
    repo: &Repo,
) -> Result<Revision, RevlogError> {
    let changelog = repo.changelog()?;

    match resolve_rev_number_or_hex_prefix(input, &changelog.revlog) {
        Err(RevlogError::InvalidRevision) => {} // Try other syntax
        result => return result,
    }

    if input == "null" {
        return Ok(NULL_REVISION);
    }

    // TODO: support for the rest of the language here.

    Err(
        HgError::unsupported(format!("cannot parse revset '{}'", input))
            .into(),
    )
}

/// Resolve the small subset of the language suitable for revlogs other than
/// the changelog, such as in `hg debugdata --manifest` CLI argument.
///

48078:ddde80830aea

    input: &str,
    repo: &Repo,
) -> Result<Revision, RevlogError> {
    let changelog = repo.changelog()?;

    match input {
        "null" => return Ok(NULL_REVISION),
        _ => {}
    }

    match resolve_rev_number_or_hex_prefix(input, &changelog.revlog) {
        Err(RevlogError::InvalidRevision) => {
            // TODO: support for the rest of the language here.
            let msg = format!("cannot parse revset '{}'", input);
            Err(HgError::unsupported(msg).into())
        }
        result => return result,
    }
}

/// Resolve the small subset of the language suitable for revlogs other than
/// the changelog, such as in `hg debugdata --manifest` CLI argument.
///