use crate::{bstr::BStr, revision};

/// Methods for resolving revisions by spec or working with the commit graph.
impl crate::Repository {
    /// Parse a revision specification and turn it into the full id to the object it describes, similar to `git rev-parse`.
    pub fn rev_parse<'a>(&self, spec: impl Into<&'a BStr>) -> Result<revision::Spec<'_>, revision::spec::parse::Error> {
        revision::Spec::from_bstr(
            spec,
            self,
            revision::spec::parse::Options {
                object_kind_hint: self.config.object_kind_hint,
                ..Default::default()
            },
        )
    }

    /// Create the baseline for a revision walk by initializing it with the `tips` to start iterating on.
    ///
    /// It can be configured further before starting the actual walk.
    pub fn rev_walk(
        &self,
        tips: impl IntoIterator<Item = impl Into<git_hash::ObjectId>>,
    ) -> revision::walk::Platform<'_> {
        revision::walk::Platform::new(tips, self)
    }
}