/// <summary>
/// Updates the target of a reference.
/// </summary>
/// <param name = "name">The canonical name of the reference.</param>
/// <param name = "canonicalRefNameOrObjectish">The target which can be either the canonical name of a reference or a revparse spec.</param>
/// <param name = "refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="logMessage">The optional message to log in the <see cref="ReflogCollection"/> of the <paramref name="name"/> reference.</param>
/// <returns>A new <see cref = "Reference" />.</returns>
public static Reference UpdateTarget(this ReferenceCollection refsColl, string name, string canonicalRefNameOrObjectish, string logMessage = null)
{
Ensure.ArgumentNotNullOrEmptyString(name, "name");
Ensure.ArgumentNotNullOrEmptyString(canonicalRefNameOrObjectish, "canonicalRefNameOrObjectish");
if (name == "HEAD")
{
return refsColl.Add("HEAD", canonicalRefNameOrObjectish, true);
}
Reference reference = refsColl[name];
var directReference = reference as DirectReference;
if (directReference != null)
{
return refsColl.UpdateTarget(directReference, canonicalRefNameOrObjectish, logMessage);
}
var symbolicReference = reference as SymbolicReference;
if (symbolicReference != null)
{
Reference targetRef;
RefState refState = TryResolveReference(out targetRef, refsColl, canonicalRefNameOrObjectish);
if (refState == RefState.DoesNotLookValid)
{
throw new ArgumentException(String.Format(CultureInfo.InvariantCulture, "The reference specified by {0} is a Symbolic reference, you must provide a reference canonical name as the target.", name), "canonicalRefNameOrObjectish");
}
return refsColl.UpdateTarget(symbolicReference, targetRef, logMessage);
}
throw new LibGit2SharpException(string.Format(CultureInfo.InvariantCulture, "Reference '{0}' has an unexpected type ('{1}').", name, reference.GetType()));
}
/// <summary>
/// Creates a direct or symbolic reference with the specified name and target
/// </summary>
/// <param name="name">The name of the reference to create.</param>
/// <param name="canonicalRefNameOrObjectish">The target which can be either the canonical name of a reference or a revparse spec.</param>
/// <param name="allowOverwrite">True to allow silent overwriting a potentially existing reference, false otherwise.</param>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="logMessage">The optional message to log in the <see cref="ReflogCollection"/> when adding the <see cref="Reference"/></param>
/// <returns>A new <see cref="Reference"/>.</returns>
public static Reference Add(this ReferenceCollection refsColl, string name, string canonicalRefNameOrObjectish, bool allowOverwrite = false, string logMessage = null)
{
Ensure.ArgumentNotNullOrEmptyString(name, "name");
Ensure.ArgumentNotNullOrEmptyString(canonicalRefNameOrObjectish, "canonicalRefNameOrObjectish");
Reference reference;
RefState refState = TryResolveReference(out reference, refsColl, canonicalRefNameOrObjectish);
var gitObject = refsColl.repo.Lookup(canonicalRefNameOrObjectish, GitObjectType.Any, LookUpOptions.None);
if (refState == RefState.Exists)
{
return(refsColl.Add(name, reference, allowOverwrite, logMessage));
}
if (refState == RefState.DoesNotExistButLooksValid && gitObject == null)
{
using (ReferenceSafeHandle handle = Proxy.git_reference_symbolic_create(refsColl.repo.Handle, name, canonicalRefNameOrObjectish, allowOverwrite))
{
return(Reference.BuildFromPtr <Reference>(handle, refsColl.repo));
}
}
Ensure.GitObjectIsNotNull(gitObject, canonicalRefNameOrObjectish);
return(refsColl.Add(name, gitObject.Id, allowOverwrite, logMessage));
}
/// <summary>
/// Creates a direct or symbolic reference with the specified name and target
/// </summary>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="name">The name of the reference to create.</param>
/// <param name="canonicalRefNameOrObjectish">The target which can be either the canonical name of a reference or a revparse spec.</param>
/// <param name="signature">The identity used for updating the reflog</param>
/// <param name="logMessage">The optional message to log in the <see cref="ReflogCollection"/> when adding the <see cref="Reference"/></param>
/// <param name="allowOverwrite">True to allow silent overwriting a potentially existing reference, false otherwise.</param>
/// <returns>A new <see cref="Reference"/>.</returns>
public static Reference Add(this ReferenceCollection refsColl, string name, string canonicalRefNameOrObjectish, Signature signature, string logMessage, bool allowOverwrite = false)
{
Ensure.ArgumentNotNullOrEmptyString(name, "name");
Ensure.ArgumentNotNullOrEmptyString(canonicalRefNameOrObjectish, "canonicalRefNameOrObjectish");
Reference reference;
RefState refState = TryResolveReference(out reference, refsColl, canonicalRefNameOrObjectish);
var gitObject = refsColl.repo.Lookup(canonicalRefNameOrObjectish, GitObjectType.Any, LookUpOptions.None);
if (refState == RefState.Exists)
{
return(refsColl.Add(name, reference, signature, logMessage, allowOverwrite));
}
if (refState == RefState.DoesNotExistButLooksValid && gitObject == null)
{
using (ReferenceSafeHandle handle = Proxy.git_reference_symbolic_create(refsColl.repo.Handle, name, canonicalRefNameOrObjectish, allowOverwrite,
signature.OrDefault(refsColl.repo.Config), logMessage))
{
return(Reference.BuildFromPtr <Reference>(handle, refsColl.repo));
}
}
Ensure.GitObjectIsNotNull(gitObject, canonicalRefNameOrObjectish);
if (logMessage == null)
{
logMessage = string.Format(CultureInfo.InvariantCulture, "{0}: Created from {1}",
name.LooksLikeLocalBranch() ? "branch" : "reference", canonicalRefNameOrObjectish);
}
refsColl.EnsureHasLog(name);
return(refsColl.Add(name, gitObject.Id, signature, logMessage, allowOverwrite));
}
/// <summary>
/// Initializes a new instance of the <see cref = "Repository" /> class, providing ooptional behavioral overrides through <paramref name="options"/> parameter.
/// <para>For a standard repository, <paramref name = "path" /> should either point to the ".git" folder or to the working directory. For a bare repository, <paramref name = "path" /> should directly point to the repository folder.</para>
/// </summary>
/// <param name = "path">
/// The path to the git repository to open, can be either the path to the git directory (for non-bare repositories this
/// would be the ".git" folder inside the working directory) or the path to the working directory.
/// </param>
/// <param name="options">
/// Overrides to the way a repository is opened.
/// </param>
public Repository(string path, RepositoryOptions options = null)
{
Ensure.ArgumentNotNullOrEmptyString(path, "path");
Ensure.Success(NativeMethods.git_repository_open(out handle, path));
RegisterForCleanup(handle);
bool isBare = NativeMethods.RepositoryStateChecker(handle, NativeMethods.git_repository_is_bare);
Func <Index> indexBuilder = () => new Index(this);
string configurationGlobalFilePath = null;
string configurationSystemFilePath = null;
if (options != null)
{
bool isWorkDirNull = string.IsNullOrEmpty(options.WorkingDirectoryPath);
bool isIndexNull = string.IsNullOrEmpty(options.IndexPath);
if (isBare && (isWorkDirNull ^ isIndexNull))
{
throw new ArgumentException("When overriding the opening of a bare repository, both RepositoryOptions.WorkingDirectoryPath an RepositoryOptions.IndexPath have to be provided.");
}
isBare = false;
if (!isIndexNull)
{
indexBuilder = () => new Index(this, options.IndexPath);
}
if (!isWorkDirNull)
{
Ensure.Success(NativeMethods.git_repository_set_workdir(handle, options.WorkingDirectoryPath));
}
configurationGlobalFilePath = options.GlobalConfigurationLocation;
configurationSystemFilePath = options.SystemConfigurationLocation;
}
if (!isBare)
{
index = indexBuilder();
}
commits = new CommitCollection(this);
refs = new ReferenceCollection(this);
branches = new BranchCollection(this);
tags = new TagCollection(this);
info = new Lazy <RepositoryInformation>(() => new RepositoryInformation(this, isBare));
config = new Lazy <Configuration>(() => RegisterForCleanup(new Configuration(this, configurationGlobalFilePath, configurationSystemFilePath)));
remotes = new Lazy <RemoteCollection>(() => new RemoteCollection(this));
odb = new Lazy <ObjectDatabase>(() => new ObjectDatabase(this));
diff = new Diff(this);
notes = new NoteCollection(this);
}
/// <summary>
/// Find the <see cref="Reference"/>s among <paramref name="refSubset"/>
/// that can reach at least one <see cref="Commit"/> in the specified <paramref name="targets"/>.
/// </summary>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="refSubset">The set of <see cref="Reference"/>s to examine.</param>
/// <param name="targets">The set of <see cref="Commit"/>s that are interesting.</param>
/// <returns>A subset of <paramref name="refSubset"/> that can reach at least one <see cref="Commit"/> within <paramref name="targets"/>.</returns>
public static IEnumerable <Reference> ReachableFrom(
this ReferenceCollection refsColl,
IEnumerable <Reference> refSubset,
IEnumerable <Commit> targets)
{
Ensure.ArgumentNotNull(refSubset, "refSubset");
Ensure.ArgumentNotNull(targets, "targets");
var refs = new List <Reference>(refSubset);
if (refs.Count == 0)
{
return(Enumerable.Empty <Reference>());
}
List <ObjectId> targetsSet = targets.Select(c => c.Id).Distinct().ToList();
if (targetsSet.Count == 0)
{
return(Enumerable.Empty <Reference>());
}
var result = new List <Reference>();
foreach (var reference in refs)
{
var peeledTargetCommit = reference
.ResolveToDirectReference()
.Target.DereferenceToCommit(false);
if (peeledTargetCommit == null)
{
continue;
}
var commitId = peeledTargetCommit.Id;
foreach (var potentialAncestorId in targetsSet)
{
if (potentialAncestorId == commitId)
{
result.Add(reference);
break;
}
if (Proxy.git_graph_descendant_of(refsColl.repo.Handle, commitId, potentialAncestorId))
{
result.Add(reference);
break;
}
}
}
return(result);
}
/// <summary>
/// Updates the target of a direct reference.
/// </summary>
/// <param name="directRef">The direct reference which target should be updated.</param>
/// <param name="objectish">The revparse spec of the target.</param>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="logMessage">The optional message to log in the <see cref="ReflogCollection"/> of the <paramref name="directRef"/> reference.</param>
/// <returns>A new <see cref="Reference"/>.</returns>
public static Reference UpdateTarget(this ReferenceCollection refsColl, Reference directRef, string objectish, string logMessage = null)
{
Ensure.ArgumentNotNull(directRef, "directRef");
Ensure.ArgumentNotNull(objectish, "objectish");
GitObject target = refsColl.repo.Lookup(objectish);
Ensure.GitObjectIsNotNull(target, objectish);
return(refsColl.UpdateTarget(directRef, target.Id, logMessage));
}
private static RefState TryResolveReference(out Reference reference, ReferenceCollection refsColl, string canonicalName)
{
if (!Reference.IsValidName(canonicalName))
{
reference = null;
return(RefState.DoesNotLookValid);
}
reference = refsColl[canonicalName];
return(reference != null ? RefState.Exists : RefState.DoesNotExistButLooksValid);
}
/// <summary>
/// Delete a reference with the specified name
/// </summary>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="name">The canonical name of the reference to delete.</param>
public static void Remove(this ReferenceCollection refsColl, string name)
{
Ensure.ArgumentNotNullOrEmptyString(name, "name");
Reference reference = refsColl[name];
if (reference == null)
{
return;
}
refsColl.Remove(reference);
}
/// <summary>
/// Rename an existing reference with a new name
/// </summary>
/// <param name="currentName">The canonical name of the reference to rename.</param>
/// <param name="newName">The new canonical name.</param>
/// <param name="allowOverwrite">True to allow silent overwriting a potentially existing reference, false otherwise.</param>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <returns>A new <see cref="Reference"/>.</returns>
public static Reference Move(this ReferenceCollection refsColl, string currentName, string newName, bool allowOverwrite = false)
{
Ensure.ArgumentNotNullOrEmptyString(currentName, "currentName");
Reference reference = refsColl[currentName];
if (reference == null)
{
throw new LibGit2SharpException(
string.Format(CultureInfo.InvariantCulture,
"Reference '{0}' doesn't exist. One cannot move a non existing reference.", currentName));
}
return(refsColl.Move(reference, newName, allowOverwrite));
}
/// <summary>
/// Find the <see cref="Reference"/>s among <paramref name="refSubset"/>
/// that can reach at least one <see cref="Commit"/> in the specified <paramref name="targets"/>.
/// </summary>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="refSubset">The set of <see cref="Reference"/>s to examine.</param>
/// <param name="targets">The set of <see cref="Commit"/>s that are interesting.</param>
/// <returns>A subset of <paramref name="refSubset"/> that can reach at least one <see cref="Commit"/> within <paramref name="targets"/>.</returns>
public static IEnumerable <Reference> ReachableFrom(
this ReferenceCollection refsColl,
IEnumerable <Reference> refSubset,
IEnumerable <Commit> targets)
{
Ensure.ArgumentNotNull(refSubset, "refSubset");
Ensure.ArgumentNotNull(targets, "targets");
var refs = new List <Reference>(refSubset);
if (refs.Count == 0)
{
return(Enumerable.Empty <Reference>());
}
var targetsSet = new HashSet <Commit>(targets);
if (targetsSet.Count == 0)
{
return(Enumerable.Empty <Reference>());
}
var allCommits = refsColl.repo.Commits;
var result = new List <Reference>();
foreach (var reference in refs)
{
foreach (var commit in allCommits.QueryBy(new CommitFilter {
Since = reference
}))
{
if (!targetsSet.Contains(commit))
{
continue;
}
result.Add(reference);
break;
}
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref = "Repository" /> class.
/// <para>For a standard repository, <paramref name = "path" /> should point to the ".git" folder. For a bare repository, <paramref name = "path" /> should directly point to the repository folder.</para>
/// </summary>
/// <param name = "path">The path to the git repository to open.</param>
public Repository(string path)
{
Ensure.ArgumentNotNullOrEmptyString(path, "path");
int res = NativeMethods.git_repository_open(out handle, PosixPathHelper.ToPosix(path));
Ensure.Success(res);
isBare = NativeMethods.git_repository_is_bare(handle);
if (!isBare)
{
index = new Index(this);
}
commits = new CommitCollection(this);
refs = new ReferenceCollection(this);
branches = new BranchCollection(this);
tags = new TagCollection(this);
info = new Lazy <RepositoryInformation>(() => new RepositoryInformation(this, isBare));
config = new Lazy <Configuration>(() => new Configuration(this));
remotes = new Lazy <RemoteCollection>(() => new RemoteCollection(this));
}
/// <summary>
/// Initializes a new instance of the <see cref="Repository"/> class, providing ooptional behavioral overrides through <paramref name="options"/> parameter.
/// <para>For a standard repository, <paramref name="path"/> should either point to the ".git" folder or to the working directory. For a bare repository, <paramref name="path"/> should directly point to the repository folder.</para>
/// </summary>
/// <param name="path">
/// The path to the git repository to open, can be either the path to the git directory (for non-bare repositories this
/// would be the ".git" folder inside the working directory) or the path to the working directory.
/// </param>
/// <param name="options">
/// Overrides to the way a repository is opened.
/// </param>
public Repository(string path, RepositoryOptions options = null)
{
Ensure.ArgumentNotNullOrEmptyString(path, "path");
try
{
handle = Proxy.git_repository_open(path);
RegisterForCleanup(handle);
isBare = Proxy.git_repository_is_bare(handle);
Func <Index> indexBuilder = () => new Index(this);
string configurationGlobalFilePath = null;
string configurationXDGFilePath = null;
string configurationSystemFilePath = null;
if (options != null)
{
bool isWorkDirNull = string.IsNullOrEmpty(options.WorkingDirectoryPath);
bool isIndexNull = string.IsNullOrEmpty(options.IndexPath);
if (isBare && (isWorkDirNull ^ isIndexNull))
{
throw new ArgumentException(
"When overriding the opening of a bare repository, both RepositoryOptions.WorkingDirectoryPath an RepositoryOptions.IndexPath have to be provided.");
}
isBare = false;
if (!isIndexNull)
{
indexBuilder = () => new Index(this, options.IndexPath);
}
if (!isWorkDirNull)
{
Proxy.git_repository_set_workdir(handle, options.WorkingDirectoryPath);
}
configurationGlobalFilePath = options.GlobalConfigurationLocation;
configurationXDGFilePath = options.XdgConfigurationLocation;
configurationSystemFilePath = options.SystemConfigurationLocation;
}
if (!isBare)
{
index = indexBuilder();
}
commits = new CommitLog(this);
refs = new ReferenceCollection(this);
branches = new BranchCollection(this);
tags = new TagCollection(this);
stashes = new StashCollection(this);
info = new Lazy <RepositoryInformation>(() => new RepositoryInformation(this, isBare));
config =
new Lazy <Configuration>(
() =>
RegisterForCleanup(new Configuration(this, configurationGlobalFilePath, configurationXDGFilePath,
configurationSystemFilePath)));
odb = new Lazy <ObjectDatabase>(() => new ObjectDatabase(this));
diff = new Diff(this);
notes = new NoteCollection(this);
ignore = new Ignore(this);
network = new Lazy <Network>(() => new Network(this));
pathCase = new Lazy <PathCase>(() => new PathCase(this));
submodules = new SubmoduleCollection(this);
EagerlyLoadTheConfigIfAnyPathHaveBeenPassed(options);
}
catch
{
CleanupDisposableDependencies();
throw;
}
}
internal ReferenceCollection(LibGit2Sharp.ReferenceCollection collection) => this.innerCollection = collection.NotNull();
/// <summary>
/// Updates the target of a direct reference
/// </summary>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="directRef">The direct reference which target should be updated.</param>
/// <param name="objectish">The revparse spec of the target.</param>
/// <returns>A new <see cref="Reference"/>.</returns>
public static Reference UpdateTarget(this ReferenceCollection refsColl, Reference directRef, string objectish)
{
return(UpdateTarget(refsColl, directRef, objectish, null, null));
}
public static Reference Move(this ReferenceCollection refsColl, string currentName, string newName,
Signature signature = null, string logMessage = null, bool allowOverwrite = false)
{
return(refsColl.Rename(currentName, newName, signature, logMessage, allowOverwrite));
}
/// <summary>
/// Find the <see cref="Reference"/>s
/// that can reach at least one <see cref="Commit"/> in the specified <paramref name="targets"/>.
/// </summary>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="targets">The set of <see cref="Commit"/>s that are interesting.</param>
/// <returns>The list of <see cref="Reference"/> that can reach at least one <see cref="Commit"/> within <paramref name="targets"/>.</returns>
public static IEnumerable <Reference> ReachableFrom(
this ReferenceCollection refsColl,
IEnumerable <Commit> targets)
{
return(ReachableFrom(refsColl, refsColl, targets));
}
/// <summary>
/// Updates the target of a reference
/// </summary>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="name">The canonical name of the reference.</param>
/// <param name="canonicalRefNameOrObjectish">The target which can be either the canonical name of a reference or a revparse spec.</param>
/// <returns>A new <see cref="Reference"/>.</returns>
public static Reference UpdateTarget(this ReferenceCollection refsColl, string name, string canonicalRefNameOrObjectish)
{
return(UpdateTarget(refsColl, name, canonicalRefNameOrObjectish, null, null));
}
/// <summary>
/// Creates a direct or symbolic reference with the specified name and target
/// </summary>
/// <param name="refsColl">The <see cref="ReferenceCollection"/> being worked with.</param>
/// <param name="name">The name of the reference to create.</param>
/// <param name="canonicalRefNameOrObjectish">The target which can be either the canonical name of a reference or a revparse spec.</param>
/// <param name="allowOverwrite">True to allow silent overwriting a potentially existing reference, false otherwise.</param>
/// <returns>A new <see cref="Reference"/>.</returns>
public static Reference Add(this ReferenceCollection refsColl, string name, string canonicalRefNameOrObjectish, bool allowOverwrite = false)
{
return(Add(refsColl, name, canonicalRefNameOrObjectish, null, null, allowOverwrite));
}
/// <summary>
/// Moves the head target.
/// </summary>
/// <typeparam name="T">Type of target.</typeparam>
/// <param name="references">The references.</param>
/// <param name="target">The target.</param>
/// <returns>The new <see cref="Reference"/>.</returns>
internal static Reference MoveHeadTarget <T>(this ReferenceCollection references, T target)
{
var method = _referenceCollectionMoveHeadTarget.MakeGenericMethod(typeof(T));
return((Reference)method.Invoke(references, new object[] { target }));
}
