From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 7675 invoked from network); 7 Nov 2022 05:35:52 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 7 Nov 2022 05:35:52 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20210803; t=1667799353; b=n/gzzzsW/up5oVYmJ6EsjbCITOOYrBQE1xZu1AfxBHrfHsycMaxwjshDV8BUMAzQrIlQuBgTAX A7ryfPLYE9qzjv2W9IrVMRZvtevH72kgt+slqXQdUt4gifZIJpU5yycAm2/wKsHpkdEICinfts 0iHUFyngihhRbuGntjtR3Lna53ENBn6wV07nKpQ128HMR0VBatKIONfmzYYK6z3uZ3U5+HDKJg 2kmtsmy9RLj7fv0IaDRVfYWpmS1zwZf5vcHSSoE02xw3K37TFg6+mEEXxZCHqq/6sfGF0LI/u6 XA5E4gvT3WaRn9zGORGGP0sZKhDW041/h4Q1MfsQreRdEA==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (mail-ej1-f54.google.com) smtp.remote-ip=209.85.218.54; dkim=pass header.d=brasslantern-com.20210112.gappssmtp.com header.s=20210112 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20210803; t=1667799353; bh=lIyato/kuRyZLoqotzHyAV+TkQMjKaaLkrwU/CM5UeM=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:Content-Type:To:Subject:Message-ID:Date:From:In-Reply-To: References:MIME-Version:DKIM-Signature:DKIM-Signature; b=Or5g6sEuIieybCch7GMMUTHuwdOMrKRa9w1mkJyUXK1UIH3oMtJ/gjKpnCiNNiC1z0aCM3kz3+ hQ+W1FN8RbW6nB4haMVm0WZsXYEi9Lq1eX+aNcIte0UcvQxsWEeARXCf6RsZBe3tZ26Ezi+zEv 5rzLeoEfFuwQEHZW3EioNPlfVZGhXshfxWmnH3pcuh6QtK5hWvbVtNxjqIaoO7nwa+0jq9IIjF 9yWQA9kjkrqcvy3uXC8e1OSmQpXHVCZu6MyNAjaspIRPT1YyBO+goczyGHvUkSiRPWB2TF/6mL R+ADP1zUFgdbIrJlbUDN/E+4j5JCR5EQYV0UBN75rKMvKg==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20210803; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:Content-Type:To:Subject:Message-ID: Date:From:In-Reply-To:References:MIME-Version:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=aHtLqOLopO5bcm+CpFY6PGhYEigiLmh9HgoW7WS0GsQ=; b=i6jm+Uiz9InyoR/pEdd8qPkXXC qILu0+yMEpVYjyalM0EAF3YH/MO80aDGzJxTevVdkxaEZwiIcTfqu+IEcRX/GLIs3YwnlbMuNDCpD HjBoQbuWL2wh1vZ+V4HdYKoYTK/loEFSvJIceOM68RldjitMkt58ZyMhNWNqdn2aUXrZwryUzVL9+ 9gEk/ltptyeHRTFnTuW83juF4g7Fr+vp1mXw7PQurhHbZuoiyhpT7fSjDqA/aPv5ypoTTlI1SKlhe cuxWk2JDmkHpzDy9CHV00rJxcfXh4VgNpofqxw7kyXrm9+hKfTv+lRivfx4Av/DJ7eoSXtrY+Gda4 2UqUSCZA==; Received: by zero.zsh.org with local id 1orunY-00019M-0Z; Mon, 07 Nov 2022 05:35:52 +0000 Authentication-Results: zsh.org; iprev=pass (mail-ej1-f54.google.com) smtp.remote-ip=209.85.218.54; dkim=pass header.d=brasslantern-com.20210112.gappssmtp.com header.s=20210112 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none Received: from mail-ej1-f54.google.com ([209.85.218.54]:37886) by zero.zsh.org with esmtps (TLS1.3:TLS_AES_128_GCM_SHA256:128) id 1orumz-0000oI-T4; Mon, 07 Nov 2022 05:35:19 +0000 Received: by mail-ej1-f54.google.com with SMTP id ud5so27221662ejc.4 for ; Sun, 06 Nov 2022 21:35:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brasslantern-com.20210112.gappssmtp.com; s=20210112; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :from:to:cc:subject:date:message-id:reply-to; bh=aHtLqOLopO5bcm+CpFY6PGhYEigiLmh9HgoW7WS0GsQ=; b=XeMsu1+KAJDVAGLyBUaS3KGDFtPmumIu04Dcqqu9zOmj9DKwZBK5oWCfSqfaoyIatt iaoY45k/DOD4iKSnYNBgR1gE8e/LpOKZgjlmk+iG456Ih5Y+k4L+S5YxdvXq8xJd6MlU q4rscCr6KfL/y2uDNtNK/3cMKmiGR/jK9+OX8RlXe3f83azDwUnCGo7xZTiz+aeG2MXn 6m4ok6L7NVJLpQ4Y9S3lQW5GCmrn2PIFyS7Fkg5pmhB7ZKvJXsHZezpVMTQWX1zDBOxW bu0LK8cFFtUD4Xet4LDrSPCX5E6o/Qh1PZcgo98l9TY4KWqRveLBEXP5vpBhSygXrz7H BC0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=aHtLqOLopO5bcm+CpFY6PGhYEigiLmh9HgoW7WS0GsQ=; b=Ynz/hpS6pIGRJufz9Nex3xqpM+BYXapvHW9OASKavcI87O3o1TqyhtmE8yOXWDsSgL FIZyd+103Z3JYYCcvUym7wUls4eEW2WrNKxEFDwRMzEivYXIDbRjRpKIAPA480mNDoVg B9lt8MiaWzlhxPv0dMfspmuDgS6UyMVlRfp0RLfIsSkgIoq1zffgKCcsAbIKUrDmuVOJ tYepZFJedbb7tpwdf+wFbEo5Ulyi4SHmONHJqSSjhBfyun0m+2cLYL26XDPSEq09CyPQ FO5uX6IiJxfA8/SjHZoXlXaHYeXwoEKSdjkzh+TAc+So6vHZeDKvfBOM5m5AWu+aokB+ Dk8Q== X-Gm-Message-State: ACrzQf3cbmAGZP5Fk0NdoseOT0Fd8rpv4CYkrnCmdTGbd9B2gi06i9lq Y2ATo7TjBbpT1NqpJZl7ZrL7b3XmBms0NPd219gtMsXvODRqpA== X-Google-Smtp-Source: AMsMyM7htl0aAUu9NzzYConRKrw3q4L4D+0Ak7YHWMApCAooMG3yNiRfPfZ9Ho4G5t5qBYgVxycsgZXpuIHMEyvQju8= X-Received: by 2002:a17:907:2c78:b0:7ad:8a7a:3749 with SMTP id ib24-20020a1709072c7800b007ad8a7a3749mr46342643ejc.55.1667799317054; Sun, 06 Nov 2022 21:35:17 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Bart Schaefer Date: Sun, 6 Nov 2022 21:35:05 -0800 Message-ID: Subject: [PATCH] Re: Inconsistent behavior of ERR_EXIT with conditionals To: Zsh hackers list Content-Type: multipart/mixed; boundary="000000000000d9f46f05ecdac902" X-Seq: 50897 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: --000000000000d9f46f05ecdac902 Content-Type: text/plain; charset="UTF-8" On Sun, Nov 6, 2022 at 7:50 PM Bart Schaefer wrote: > > More questionable are the looping constructs. I can't come up with a > way to have the loop end in an error state without the whole shell > ERREXITing before reaching the end of the loop body. Found the way (and it should have been obvious): repeat 1; do false && true; done The statement `false && true` doesn't itself cause an exit, but does become $? of the loop. Now the weird bit is that the attached patch DOES NOT cause a slew of test failures in C03traps. E.g. if I run this test standalone: Src/zsh -f =(<<<"(setopt err_exit if true; then false fi print OK )") I get no output and $? = 1. The exact same code in C03traps.ztst prints OK, which it should not. The only difference I can see is that ZTST_execchunk fiddles with localloops, but I've tried doing that too. There is the question of why ignoring a false status at the end of a complex command has so far been considered correct for ERR_EXIT, according to C03. This is a disagreement with e.g. bash. --000000000000d9f46f05ecdac902 Content-Type: text/plain; charset="US-ASCII"; name="complexerrexit.txt" Content-Disposition: attachment; filename="complexerrexit.txt" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_la6cj10i0 ZGlmZiAtLWdpdCBhL1NyYy9leGVjLmMgYi9TcmMvZXhlYy5jCmluZGV4IGM4YmNmNGVlNS4uMjQy MmRhZTkxIDEwMDY0NAotLS0gYS9TcmMvZXhlYy5jCisrKyBiL1NyYy9leGVjLmMKQEAgLTQ1MSw3 ICs0NTEsNyBAQCBleGVjY3Vyc2goRXN0YXRlIHN0YXRlLCBpbnQgZG9fZXhlYykKICAgICBjbWRw b3AoKTsKIAogICAgIHN0YXRlLT5wYyA9IGVuZDsKLSAgICB0aGlzX25vZXJyZXhpdCA9IDE7Cisg ICAgdGhpc19ub2VycmV4aXQgPSAoV0NfU1VCTElTVF9UWVBFKCplbmQpICE9IFdDX1NVQkxJU1Rf RU5EKTsKIAogICAgIHJldHVybiBsYXN0dmFsOwogfQpkaWZmIC0tZ2l0IGEvU3JjL2xvb3AuYyBi L1NyYy9sb29wLmMKaW5kZXggZGI1YjNlMDk3Li5iZTUyNjEzNjkgMTAwNjQ0Ci0tLSBhL1NyYy9s b29wLmMKKysrIGIvU3JjL2xvb3AuYwpAQCAtMjA4LDcgKzIwOCw3IEBAIGV4ZWNmb3IoRXN0YXRl IHN0YXRlLCBpbnQgZG9fZXhlYykKICAgICBsb29wcy0tOwogICAgIHNpbXBsZV9wbGluZSA9IG9s ZF9zaW1wbGVfcGxpbmU7CiAgICAgc3RhdGUtPnBjID0gZW5kOwotICAgIHRoaXNfbm9lcnJleGl0 ID0gMTsKKyAgICB0aGlzX25vZXJyZXhpdCA9IChXQ19TVUJMSVNUX1RZUEUoKmVuZCkgIT0gV0Nf U1VCTElTVF9FTkQpOwogICAgIHJldHVybiBsYXN0dmFsOwogfQogCkBAIC0zMzYsNyArMzM2LDcg QEAgZXhlY3NlbGVjdChFc3RhdGUgc3RhdGUsIFVOVVNFRChpbnQgZG9fZXhlYykpCiAgICAgbG9v cHMtLTsKICAgICBzaW1wbGVfcGxpbmUgPSBvbGRfc2ltcGxlX3BsaW5lOwogICAgIHN0YXRlLT5w YyA9IGVuZDsKLSAgICB0aGlzX25vZXJyZXhpdCA9IDE7CisgICAgdGhpc19ub2VycmV4aXQgPSAo V0NfU1VCTElTVF9UWVBFKCplbmQpICE9IFdDX1NVQkxJU1RfRU5EKTsKICAgICByZXR1cm4gbGFz dHZhbDsKIH0KIApAQCAtNDc4LDcgKzQ3OCw3IEBAIGV4ZWN3aGlsZShFc3RhdGUgc3RhdGUsIFVO VVNFRChpbnQgZG9fZXhlYykpCiAgICAgcG9waGVhcCgpOwogICAgIGxvb3BzLS07CiAgICAgc3Rh dGUtPnBjID0gZW5kOwotICAgIHRoaXNfbm9lcnJleGl0ID0gMTsKKyAgICB0aGlzX25vZXJyZXhp dCA9IChXQ19TVUJMSVNUX1RZUEUoKmVuZCkgIT0gV0NfU1VCTElTVF9FTkQpOwogICAgIHJldHVy biBsYXN0dmFsOwogfQogCkBAIC01MzIsNyArNTMyLDcgQEAgZXhlY3JlcGVhdChFc3RhdGUgc3Rh dGUsIFVOVVNFRChpbnQgZG9fZXhlYykpCiAgICAgbG9vcHMtLTsKICAgICBzaW1wbGVfcGxpbmUg PSBvbGRfc2ltcGxlX3BsaW5lOwogICAgIHN0YXRlLT5wYyA9IGVuZDsKLSAgICB0aGlzX25vZXJy ZXhpdCA9IDE7CisgICAgdGhpc19ub2VycmV4aXQgPSAoV0NfU1VCTElTVF9UWVBFKCplbmQpICE9 IFdDX1NVQkxJU1RfRU5EKTsKICAgICByZXR1cm4gbGFzdHZhbDsKIH0KIApAQCAtNTg3LDcgKzU4 Nyw3IEBAIGV4ZWNpZihFc3RhdGUgc3RhdGUsIGludCBkb19leGVjKQogCSAgICBsYXN0dmFsID0g MDsKICAgICB9CiAgICAgc3RhdGUtPnBjID0gZW5kOwotICAgIHRoaXNfbm9lcnJleGl0ID0gMTsK KyAgICB0aGlzX25vZXJyZXhpdCA9IChXQ19TVUJMSVNUX1RZUEUoKmVuZCkgIT0gV0NfU1VCTElT VF9FTkQpOwogCiAgICAgcmV0dXJuIGxhc3R2YWw7CiB9CkBAIC03MDEsNyArNzAxLDcgQEAgZXhl Y2Nhc2UoRXN0YXRlIHN0YXRlLCBpbnQgZG9fZXhlYykKIAogICAgIGlmICghYW55cGF0b2spCiAJ bGFzdHZhbCA9IDA7Ci0gICAgdGhpc19ub2VycmV4aXQgPSAxOworICAgIHRoaXNfbm9lcnJleGl0 ID0gKFdDX1NVQkxJU1RfVFlQRSgqZW5kKSAhPSBXQ19TVUJMSVNUX0VORCk7CiAKICAgICByZXR1 cm4gbGFzdHZhbDsKIH0K --000000000000d9f46f05ecdac902--