From mboxrd@z Thu Jan 1 00:00:00 1970 From: Junio C Hamano Subject: Re: Tilde spec - befuzzled Date: Tue, 28 Feb 2012 11:20:39 -0800 Message-ID: <7vaa42zrw8.fsf@alter.siamese.dyndns.org> References: <4F4C995D.9000504@diamand.org> <4F4CA354.2070503@op5.se> <87zkc38a3v.fsf@thomas.inf.ethz.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andreas Ericsson , Luke Diamand , Git List To: Thomas Rast X-From: git-owner@vger.kernel.org Tue Feb 28 20:20:52 2012 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1S2SbQ-0007ev-A8 for gcvg-git-2@plane.gmane.org; Tue, 28 Feb 2012 20:20:48 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966004Ab2B1TUn (ORCPT ); Tue, 28 Feb 2012 14:20:43 -0500 Received: from b-pb-sasl-quonix.pobox.com ([208.72.237.35]:58171 "EHLO smtp.pobox.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964997Ab2B1TUm (ORCPT ); Tue, 28 Feb 2012 14:20:42 -0500 Received: from smtp.pobox.com (unknown [127.0.0.1]) by b-sasl-quonix.pobox.com (Postfix) with ESMTP id 4A902611B; Tue, 28 Feb 2012 14:20:41 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=e+CU9JIWyZkfuyJHIwBV9iD2Lt8=; b=Rg8OeF 7/DcNOp6JSlXjUIfN2tv2wzthFar6U2VdQxnFGyn5ivatZbl5GpOUcelku4qJxlg vFpoYjla4UDaS3SnuNE7hMVYOL5xHNXn0nIJHsG82+Z/PqN+l0s3t949jM3V1LOK mszN+NcU2hXvWdwna/iSybSaVTwnsO7tZ4Qss= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=lVTPdv/LmQnNAmdMUIEhme0JEiqXzZ4H lbEdd0nTAVYoKrYGWz7O6/xpqlRt4QihdxfDN+Ri1hDS89wVcJ3BaH0agazJoEFh F4WWOZtPDo2DleE9+8I0Ws20waxNAIPxCAI8xs6KI/eMTGN8pzPTC3HfeMtuqAMR /njdugLgIJc= Received: from b-pb-sasl-quonix.pobox.com (unknown [127.0.0.1]) by b-sasl-quonix.pobox.com (Postfix) with ESMTP id 41F16611A; Tue, 28 Feb 2012 14:20:41 -0500 (EST) Received: from pobox.com (unknown [76.102.170.102]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by b-sasl-quonix.pobox.com (Postfix) with ESMTPSA id CDAA46117; Tue, 28 Feb 2012 14:20:40 -0500 (EST) In-Reply-To: <87zkc38a3v.fsf@thomas.inf.ethz.ch> (Thomas Rast's message of "Tue, 28 Feb 2012 12:34:44 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) X-Pobox-Relay-ID: 4D62F862-6241-11E1-9F4F-9DB42E706CDE-77302942!b-pb-sasl-quonix.pobox.com Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Thomas Rast writes: >>> '{tilde}', e.g. 'master{tilde}3':: >>> A suffix '{tilde}' to a revision parameter means the commit >>> object that is the th generation grand-parent of the named >>> commit object, following only the first parents. >>> >>> Hang on, *grand*-parents? >>> ... > > Perhaps we should reword it as "n-th first-parent ancestor"? Barring > confusion about the position of the dashes, that leaves little room for > error. I think we could either go "easier to read but not precise" ... that is the th generation (grand-)parent of ... or "may sound scary but correct" the ancestor reached by walking the first-parent chain times I am not sure which bucket "n-th first-parent ancestor" falls into.