rust/hg-core/src/copy_tracing.rs

46153:0a721fc457bf

            pairs: HashMap::default(),
        }
    }

    /// returns `true` if `anc` is an ancestors of `desc`, `false` otherwise
    fn is_ancestor(&mut self, anc: Revision, desc: Revision) -> bool {
        if anc > desc {
            false
        } else if anc == desc {
            true
        } else {

    if src_major.path == src_minor.path {
        // we have the same value, but from other source;
        if src_major.rev == src_minor.rev {
            // If the two entry are identical, they are both valid
            MergePick::Any
        } else if oracle.is_ancestor(src_major.rev, src_minor.rev) {
            MergePick::Minor
        } else {
            MergePick::Major
        }
    } else if src_major.rev == src_minor.rev {

        } else if action == MergeCase::Merged {
            // If the file was actively merged, copy information
            // from each side might conflict.  The major side will
            // win such conflict.
            MergePick::Major
        } else if oracle.is_ancestor(src_major.rev, src_minor.rev) {
            // If the minor side is strictly newer than the major
            // side, it should be kept.
            MergePick::Minor
        } else if src_major.path.is_some() {
            // without any special case, the "major" value win
            // other the "minor" one.
            MergePick::Major
        } else if oracle.is_ancestor(src_minor.rev, src_major.rev) {
            // the "major" rev is a direct ancestors of "minor",
            // any different value should
            // overwrite
            MergePick::Major
        } else {

46154:ecbb2fc9418c

            pairs: HashMap::default(),
        }
    }

    /// returns `true` if `anc` is an ancestors of `desc`, `false` otherwise
    fn is_overwrite(&mut self, anc: Revision, desc: Revision) -> bool {
        if anc > desc {
            false
        } else if anc == desc {
            true
        } else {

    if src_major.path == src_minor.path {
        // we have the same value, but from other source;
        if src_major.rev == src_minor.rev {
            // If the two entry are identical, they are both valid
            MergePick::Any
        } else if oracle.is_overwrite(src_major.rev, src_minor.rev) {
            MergePick::Minor
        } else {
            MergePick::Major
        }
    } else if src_major.rev == src_minor.rev {

        } else if action == MergeCase::Merged {
            // If the file was actively merged, copy information
            // from each side might conflict.  The major side will
            // win such conflict.
            MergePick::Major
        } else if oracle.is_overwrite(src_major.rev, src_minor.rev) {
            // If the minor side is strictly newer than the major
            // side, it should be kept.
            MergePick::Minor
        } else if src_major.path.is_some() {
            // without any special case, the "major" value win
            // other the "minor" one.
            MergePick::Major
        } else if oracle.is_overwrite(src_minor.rev, src_major.rev) {
            // the "major" rev is a direct ancestors of "minor",
            // any different value should
            // overwrite
            MergePick::Major
        } else {