/Mercurial.Net/Hooks/MercurialPreTransactionCommitHook.cs

namespace Mercurial.Hooks

{

    /// <summary>

    /// This <see cref="MercurialControllingHookBase"/> descendant implements the

    /// code necessary to handle the "pretxncommit" hook:

    /// This is run after a changeset has been created but the transaction not yet committed.

    /// </summary>

    /// <remarks>

    /// As with all controlling hooks (descendants of <see cref="MercurialControllingHookBase"/>), you can

    /// prevent the command from continuing, or let it continue, by calling

    /// <see cref="MercurialControllingHookBase.TerminateHookAndCancelCommand(int)"/>

    /// or <see cref="MercurialControllingHookBase.TerminateHookAndProceed"/> respectively.

    /// </remarks>

    public class MercurialPreTransactionCommitHook : MercurialControllingHookBase

    {

        /// <summary>

        /// This is the backing field for the <see cref="CommittedRevision"/> property.

        /// </summary>

        private readonly RevSpec _CommittedRevision = LoadRevision("HG_NODE");



        /// <summary>

        /// This is the backing field for the <see cref="LeftParentRevision"/> property.

        /// </summary>

        private readonly RevSpec _LeftParentRevision = LoadRevision("HG_PARENT1");



        /// <summary>

        /// This is the backing field for the <see cref="RightParentRevision"/> property.

        /// </summary>

        private readonly RevSpec _RightParentRevision = LoadRevision("HG_PARENT2");



        /// <summary>

        /// Gets the <see cref="RevSpec"/> identifying the revision that was committed.

        /// </summary>

        public RevSpec CommittedRevision

        {

            get

            {

                return _CommittedRevision;

            }

        }



        /// <summary>

        /// Gets the <see cref="RevSpec"/> identifying the left parent of the changeset

        /// that was committed.

        /// </summary>

        public RevSpec LeftParentRevision

        {

            get

            {

                return _LeftParentRevision;

            }

        }



        /// <summary>

        /// Gets the <see cref="RevSpec"/> identifying the left parent of the changeset

        /// that was committed; or <c>null</c> if this is not a merge changeset.

        /// </summary>

        public RevSpec RightParentRevision

        {

            get

            {

                return _RightParentRevision;

            }

        }

    }

}