sourcegit/src/Commands/QueryCommitChanges.cs

using System.Collections.Generic;
using System.Text.RegularExpressions;

namespace SourceGit.Commands
{
    public partial class QueryCommitChanges : Command
    {
        [GeneratedRegex(@"^(\s?[\w\?]{1,4})\s+(.+)$")]
        private static partial Regex REG_FORMAT();

        public QueryCommitChanges(string repo, string commitSHA)
        {
            WorkingDirectory = repo;
            Context = repo;
            Args = $"show --name-status {commitSHA}";
        }

        public List<Models.Change> Result()
        {
            Exec();
            _changes.Sort((l, r) => l.Path.CompareTo(r.Path));
            return _changes;
        }

        protected override void OnReadline(string line)
        {
            var match = REG_FORMAT().Match(line);
            if (!match.Success) return;

            var change = new Models.Change() { Path = match.Groups[2].Value };
            var status = match.Groups[1].Value;

            switch (status[0])
            {
                case 'M': change.Set(Models.ChangeState.Modified); _changes.Add(change); break;
                case 'A': change.Set(Models.ChangeState.Added); _changes.Add(change); break;
                case 'D': change.Set(Models.ChangeState.Deleted); _changes.Add(change); break;
                case 'R': change.Set(Models.ChangeState.Renamed); _changes.Add(change); break;
                case 'C': change.Set(Models.ChangeState.Copied); _changes.Add(change); break;
            }
        }

        private readonly List<Models.Change> _changes = new List<Models.Change>();
    }
}