/// <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>
/// Checkout the specified <see cref="Branch"/>, reference or SHA.
/// <para>
/// If the committishOrBranchSpec parameter resolves to a branch name, then the checked out HEAD will
/// will point to the branch. Otherwise, the HEAD will be detached, pointing at the commit sha.
/// </para>
/// </summary>
/// <param name="committishOrBranchSpec">A revparse spec for the commit or branch to checkout.</param>
/// <param name="checkoutModifiers"><see cref="CheckoutModifiers"/> controlling checkout behavior.</param>
/// <param name="onCheckoutProgress"><see cref="CheckoutProgressHandler"/> that checkout progress is reported through.</param>
/// <param name="checkoutNotifications"><see cref="CheckoutNotificationOptions"/> to manage checkout notifications.</param>
/// <returns>The <see cref="Branch"/> that was checked out.</returns>
public Branch Checkout(string committishOrBranchSpec, CheckoutModifiers checkoutModifiers, CheckoutProgressHandler onCheckoutProgress, CheckoutNotificationOptions checkoutNotifications)
{
Ensure.ArgumentNotNullOrEmptyString(committishOrBranchSpec, "committishOrBranchSpec");
var handles = Proxy.git_revparse_ext(Handle, committishOrBranchSpec);
if (handles == null)
{
Ensure.GitObjectIsNotNull(null, committishOrBranchSpec);
}
var objH = handles.Item1;
var refH = handles.Item2;
GitObject obj;
try
{
if (!refH.IsInvalid)
{
var reference = Reference.BuildFromPtr <Reference>(refH, this);
if (reference.IsLocalBranch())
{
Branch branch = Branches[reference.CanonicalName];
return(Checkout(branch, checkoutModifiers, onCheckoutProgress, checkoutNotifications));
}
}
obj = GitObject.BuildFrom(this, Proxy.git_object_id(objH), Proxy.git_object_type(objH),
PathFromRevparseSpec(committishOrBranchSpec));
}
finally
{
objH.Dispose();
refH.Dispose();
}
Commit commit = obj.DereferenceToCommit(true);
Checkout(commit.Tree, checkoutModifiers, onCheckoutProgress, checkoutNotifications, commit.Id.Sha, committishOrBranchSpec,
committishOrBranchSpec != "HEAD");
return(Head);
}
