public static MergeResult Execute(MergeOptions options)
{
options.Validate();
var merger = SelectMerger(options);
bool success = merger.Merge(options.Commits.Select(c => ((Core.Commit)c).CommitId).ToArray());
var result = new MergeResult {
Success = success
};
result.Tree = new Tree(options.Repository, merger.GetResultTreeId());
if (options.NoCommit)
{
}
else
{
if (string.IsNullOrEmpty(options.Message))
{
options.Message = FormatMergeMessage(options);
}
var author = Author.GetDefaultAuthor(options.Repository);
result.Commit = Commit.Create(options.Message, options.Commits, result.Tree, author, author, DateTimeOffset.Now);
if (options.Branches.Length >= 1 && options.Branches[0] is Branch)
{
Ref.Update("refs/heads/" + options.Branches[0].Name, result.Commit);
}
}
return(result);
}
public static IEnumerable <Commit <byte[]> > Execute(DocumentTransaction tx, ReadEventsByCommitIds command)
{
if (!command.Ids.Any())
{
return(Enumerable.Empty <Commit <byte[]> >());
}
var parameters = new DynamicParameters();
foreach (var param in command.Ids.Select((value, i) => (name: $"@p{i}", value: value)))
{
parameters.Add(param.name, param.value);
}
var sql = $@"
SELECT Position, EventId, CommitId, StreamId, SequenceNumber, Name, Generation, Metadata, Data
FROM {tx.Store.Database.FormatTableNameAndEscape(command.Table.Name)}
WHERE CommitId IN ({string.Join(", ", parameters.ParameterNames.Select(x => $"@{x}"))})
ORDER BY Position";
var commits = new[] { Commit.Empty <byte[]>() }.Concat(
from row in tx.SqlConnection.Query <Row>(sql, parameters, tx.SqlTransaction)
group row by row.CommitId
into grouping
let last = grouping.Last()
select Commit.Create(grouping.Key, last.Generation, last.Position, grouping.Select(Row.ToEvent).ToList())
).ToList();
return
(from id in command.Ids
join commit in commits on id equals commit.Id into cs
from commit in cs.DefaultIfEmpty()
select commit);
}
public static Commit <byte[]> Execute(DocumentTransaction tx, LoadParentCommit command)
{
if (command.CommitId == Guid.Empty)
{
return(null);
}
var tablename = tx.Store.Database.FormatTableNameAndEscape(command.Table.Name);
var sql =
$@"SELECT
EventId,
Position,
CommitId,
StreamId,
SequenceNumber,
Name,
Generation,
Data,
Metadata
FROM {tablename}
WHERE CommitId = (
SELECT TOP 1 CommitId
FROM {tablename}
WHERE Position < ISNULL(
(SELECT MIN(Position)
FROM {tablename}
WHERE CommitId = @id),
(SELECT MAX(Position) + 1
FROM {tablename})
)
ORDER BY Position DESC
)
ORDER BY Position";
var rows = tx.SqlConnection.Query <Row>(sql, new { id = command.CommitId }, transaction: tx.SqlTransaction).ToList();
// if no parent commit is found, the initial, transient commit is parent
if (!rows.Any())
{
return(new Commit <byte[]>(Guid.Empty, 0, -1, -1));
}
var lastRow = rows.Last();
return(Commit.Create(lastRow.CommitId, lastRow.Generation, lastRow.Position, rows.Select(Row.ToEvent).ToList()));
}
public static IEnumerable <Commit <byte[]> > Batch(this IEnumerable <Row> rows)
{
var currentCommitId = Guid.Empty;
var currentGeneration = -1;
var currentPosition = -1L;
var events = new List <EventData <byte[]> >();
foreach (var row in rows)
{
// first row
if (currentCommitId == Guid.Empty)
{
currentCommitId = row.CommitId;
}
// next commit begun, return the current
if (row.CommitId != currentCommitId)
{
yield return(Commit.Create(currentCommitId, currentGeneration, currentPosition, events));
currentCommitId = row.CommitId;
events = new List <EventData <byte[]> >();
}
currentGeneration = row.Generation;
currentPosition = row.Position;
// still same commit
var metadata = new Metadata(JsonConvert.DeserializeObject <Dictionary <string, string> >(row.Metadata));
events.Add(new EventData <byte[]>(row.StreamId, row.EventId, row.Name, row.SequenceNumber, metadata, row.Data));
}
if (events.Any())
{
yield return(Commit.Create(currentCommitId, currentGeneration, currentPosition, events));
}
}
/// <summary>
/// Loads branches and commits.
/// </summary>
/// <param name="repo"></param>
private void LoadBranchesAndCommits(LibGit2Sharp.Repository repo)
{
var dispose = false;
if (repo == null)
{
repo = new LibGit2Sharp.Repository(RepositoryFullPath);
dispose = true;
}
// Small performance boosts.
Commits.DisableNotifications();
Branches.DisableNotifications();
// Create commits.
Commits.Clear();
List <Commit> commitList = new List <Commit>();
foreach (LibGit2Sharp.Commit commit in repo.Commits.QueryBy(new LibGit2Sharp.Filter {
Since = repo.Branches
}).Take(CommitsPerPage))
{
commitList.Add(Commit.Create(repo, commit, Tags));
}
Commits.AddRange(commitList);
// Create branches.
Branches.Clear();
foreach (LibGit2Sharp.Branch branch in repo.Branches)
{
Branch b = Branch.Create(this, repo, branch);
Branches.Add(b);
}
// Post-process branches (tips and tracking branches).
foreach (Branch branch in Branches)
{
// Set the HEAD property if it matches.
if (repo.Head.Name == branch.Name)
{
Head = branch;
branch.Tip.IsHead = true;
}
branch.PostProcess(Branches, Commits);
}
// Post-process commits (commit parents).
foreach (Commit commit in Commits)
{
// Set the HEAD property to a DetachedHead branch if the HEAD matched and it was null.
if (Head == null && repo.Head.Tip.Sha == commit.Hash)
{
Head = new DetachedHead
{
Tip = commit
};
commit.IsHead = true;
}
commit.PostProcess(Commits, Branches);
}
// Calculate commit visual positions for each branch tree.
foreach (Branch branch in Branches)
{
RepoUtil.IncrementCommitTreeVisualPositionsRecursively(branch.Tip);
}
Commits.EnableNotifications();
Branches.EnableNotifications();
if (dispose)
{
repo.Dispose();
}
}
/// <summary>
/// Loads branches and commits.
/// </summary>
/// <param name="repo"></param>
private void LoadBranchesAndCommits(LibGit2Sharp.Repository repo = null)
{
var dispose = false;
if (repo == null)
{
repo = new LibGit2Sharp.Repository(RepositoryFullPath);
dispose = true;
}
// Small performance boosts.
Commits.DisableNotifications();
Branches.DisableNotifications();
// Create commits.
Commits.Clear();
var commitList = new List <Commit>();
foreach (var commit in repo.Commits.QueryBy(new LibGit2Sharp.Filter {
Since = repo.Branches
}).Take(CommitsPerPage))
{
commitList.Add(Commit.Create(repo, commit, Tags));
}
Commits.AddRange(commitList);
// Create branches.
Branches.Clear();
foreach (var branch in repo.Branches)
{
var b = Branch.Create(this, repo, branch);
Branches.Add(b);
}
// Post-process branches (tips and tracking branches).
foreach (var branch in Branches)
{
// Set the HEAD property if it matches.
if (repo.Head.Name == branch.Name)
{
Head = branch;
branch.Tip.IsHead = true;
}
branch.PostProcess(Branches, Commits);
}
// Post-process commits (commit parents).
foreach (var commit in Commits)
{
// Set the HEAD property to a DetachedHead branch if the HEAD matched and it was null.
if (Head == null && repo.Head.Tip.Sha == commit.Hash)
{
Head = new DetachedHead
{
Tip = commit
};
commit.IsHead = true;
}
commit.PostProcess(Commits, Branches);
}
// Calculate commit visual positions for each branch tree.
foreach (var branch in Branches)
{
RepoUtil.IncrementCommitTreeVisualPositionsRecursively(branch.Tip);
}
// Fire notifications for the collections on the UI thread.
Application.Current.Dispatcher.Invoke(
DispatcherPriority.Normal,
(Action)(() =>
{
Commits.EnableNotifications(true);
Branches.EnableNotifications(true);
var tabControl = UIHelper.FindChild <TabControl>(Application.Current.MainWindow, "RepositoryTabs");
var changesetHistory = UIHelper.FindChild <ChangesetHistory>(tabControl);
if (changesetHistory != null)
{
changesetHistory.RedrawGraph();
}
})
);
if (dispose)
{
repo.Dispose();
}
}