From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD2D1C77B61 for ; Sun, 9 Apr 2023 02:26:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229501AbjDIC0I (ORCPT ); Sat, 8 Apr 2023 22:26:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229446AbjDIC0H (ORCPT ); Sat, 8 Apr 2023 22:26:07 -0400 Received: from mail-yb1-xb35.google.com (mail-yb1-xb35.google.com [IPv6:2607:f8b0:4864:20::b35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C61314EF9 for ; Sat, 8 Apr 2023 19:26:05 -0700 (PDT) Received: by mail-yb1-xb35.google.com with SMTP id z9so1836013ybs.9 for ; Sat, 08 Apr 2023 19:26:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ttaylorr-com.20210112.gappssmtp.com; s=20210112; t=1681007165; x=1683599165; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=DwxUc8rTRCGjPOIycrUgncdm533V0XEhqZ+Jl8PONVQ=; b=oz3rKS8y9kWwKcHggbRdb36p6SusQemiAluCaHKoJcR3WZ4ChoRoKPvduPh8U6gTXt /K0KMQPDhBXR+ikwlfWobyhWx9WUGOtTN0UX+6ae43gOjn2l+RFhrKDP77BcjvDBeR80 yGYUC9qYTGAWuXh1lEUVAqch8/Sp7cK90t/DTgaBzbNlmP+09a2tM9ikGOBLe6gWMTz3 ZAzGD5xM2SriLEPZ7+m5QBN1kVkCV0QPuCUwvsOHoo2aktgRz7Vnr/kYvOQnY3JIgFRB rNi4qgK2BMnHLwLUww8O37HZmT9jeHuy6W3SPVLAPa0QGspDujTKvKL0skQWE561K/3l 8SEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1681007165; x=1683599165; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=DwxUc8rTRCGjPOIycrUgncdm533V0XEhqZ+Jl8PONVQ=; b=A65Z9DQjQPR63nfWdKRI9TQlvOQP6wn9jIj6HbjQoKOW4/ToyimE7mYdPOC6hIPfXu fmC24fOkkS5Ks05yVSxBpuqFhMwefIG5d8vtFiiK+VUptSUwZj1Wq838N/TVxX9akNyr 1Ay4kcukpphtMum41qvCR1zL5y0AEwkatca8jz5M0A8SBBTDP0kBR8xDl/lniH364B8Z sYRwrsqXzI0Bx/akgo/51M8Z3CcecOwO+zlbez3fAlFYeVgaMfjhdKmFYJX9NrhChsmP hYx1Fc7I4QFvbYO3ui7rAh43aEyTK+vF+aR8PtvRC9lTv8QK+5PJdr8ZClb+3LY2yLmW wDOw== X-Gm-Message-State: AAQBX9dUesJV5kIT68fADxJ5+QTsibZVtbLrnWeGbzG5CJPjESkv1zTs famIFChersSISZsp6oiPjpEEtba3z5WfTul73rc+9A== X-Google-Smtp-Source: AKy350ZFwYnBlPJMdXm0+qg+yZc02ahGHLlboa9nNOvsLiaNYIxDD8lqHZtImsgetrMrutwUs1JORg== X-Received: by 2002:a25:1b05:0:b0:b6c:423d:ab18 with SMTP id b5-20020a251b05000000b00b6c423dab18mr5941975ybb.7.1681007164706; Sat, 08 Apr 2023 19:26:04 -0700 (PDT) Received: from localhost (104-178-186-189.lightspeed.milwwi.sbcglobal.net. [104.178.186.189]) by smtp.gmail.com with ESMTPSA id u8-20020a25f808000000b00b8c31377e1bsm1512553ybd.54.2023.04.08.19.26.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Apr 2023 19:26:04 -0700 (PDT) Date: Sat, 8 Apr 2023 22:26:03 -0400 From: Taylor Blau To: ZheNing Hu Cc: Junio C Hamano , Git List , johncai86@gmail.com Subject: Re: [Question] Can git cat-file have a type filtering option? Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Sat, Apr 08, 2023 at 10:19:52PM -0400, Taylor Blau wrote: > On Sat, Apr 08, 2023 at 09:28:28PM -0400, Taylor Blau wrote: > > > I don't think so. While `git rev-list` traverses objects and performs > > > filtering within a revision, `git cat-file --batch-all-objects` traverses > > > all loose and packed objects. It might be difficult to perfectly > > > extract the filtering from `git rev-list` and apply it to `git cat-file`. > > > > `rev-list`'s `--all` option does exactly the former: it looks at all > > loose and packed objects instead of doing a traditional object walk. > > Sorry, this isn't right: --all pretends as if you passed all references > to it over argv, not to just look at the individual loose and packed > objects. The right thing to do here if you wanted to get a listing of all blobs in your repository regardless of their reachability or whether they are loose or packed is: git cat-file --batch-check='%(objectname)' --batch-all-objects | git rev-list --objects --stdin --no-walk --filter='object:type=blob' Or, if your filter is as straightforward as "is this object a blob or not", you could write something like: git cat-file --batch-check --batch-all-objects | awk ' if ($2 == "blob") { print $0 }' Or you could tighten up the AWK expression by doing something like: git cat-file --batch-check='%(objecttype) %(objectname)' \ --batch-all-objects | awk '/^blob / { print $2 }' Sorry for the brain fart. Thanks, Taylor