Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: Chet Ramey Newsgroups: gnu.bash.bug Subject: Re: Bug on bash shell - $PWD (and consequentely prompt) not updated while renaming current folder. Date: Sat, 20 Jun 2020 13:50:24 -0400 Organization: ITS, Case Western Reserve University Lines: 15 Approved: bug-bash@gnu.org Message-ID: References: <051e2fbabf3a9912e5d4248efba0f02b@goncalo.pt> <967ce82b-0167-909e-559e-b3a9f78e88fd@case.edu> Reply-To: chet.ramey@case.edu NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Trace: usenet.stanford.edu 1592675435 24661 209.51.188.17 (20 Jun 2020 17:50:35 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu, goncalo_nuno@sapo.pt To: correio@goncalo.pt, bug-bash@gnu.org Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1592675430; bh=I58tp12apfGxp2hOkcvnOSpXaGY3UdT5f98V/tjKrdA=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=NPQkdt9dV3gyOKsbADoelPBQZz1W59K1DiD1Wo6on9VaZStcfqArpWrWoZB//9+Imw W1Y3HyOj7010GuzMw2Zl2g9cfvqgzjP3ImZvaxkZmZ0jjc7Kf9zfLg1NAsHdV84F170 dInpNZZl/cIsTT/1xRmQ/H7gt9MGPPtoSG1Qx7QUdy4GVZMId3fg5IyQb/KvT4YFtVg RheCyDYpECHu0TgpGGNZ5itmWuwFtpdqf9sPkKkdmS97UnyEwPkT6KMdNTcYpKhUDxr s4XeZGq4gZ8XXDf+3q03PhUM7yLQTyRKolgUZwky8GVij9M+TQ4i3Z9Tbktn18BwwVJ afj+Q8DQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1592675427; bh=dOXp5DcGAjWzmnBP/q0YTkhyRy+xf+RNbCMzqxawBZo=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=HUewEOtobu3cKMYWNeHb5NWpHOx3hDk/61ePGBPqfGusFrj3ujJwX8OTaT7cTPHeSw lBZ2VleR4NzLpeLMzrSzfvf8QvkRaRaHoRqYFz4eESFSodlovEX/PkK4F60yLoZY4zR o8+t6S0e7UcDXiJJZkNCKczmhZeR+tewPX68WlOwy6OzDYxYp7+oAvj7U5Krxms9Mbp on7d9CNZIwbGVMlttwyhqG8uuQp4fYlVHdj0R3ZojKuxVb7lX4nV2vXwrTyeAcPQMIc HY5dzmIQWf3TiDpUZNEhgkTpNCwLeMFFiEf89/qTY5fh6Ft4j0z7Yg8sQB4QXk31D1b 8yBdom0w== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=g-case; h=reply-to:cc:subject:to:references:from:autocrypt:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=dOXp5DcGAjWzmnBP/q0YTkhyRy+xf+RNbCMzqxawBZo=; b=JPosP7bw9m3fyt+c8bggBZdVwP/4V86CEYV2BCg41D/cuEWDiCuQvIO30fh27Dya1W ItgzERjBUOE8EQP2ur01sg0xF7GhVIWXc0iEioWYHj5os6QWHIyrWj4XTkqdIAiEvO9e mtQgzBeun5Ahh24TcSOKM6zHq/IUUM/UcbH+HGiy9vGrlSHl2pHSblZDr0e14Aaabdjo MxgWL9h73GG+VS4D0bu22QVw9M6gs3TxdAmDKOi/2Eqr2NtYgOu1mxMMCvFil1R9FVMB WCZTYXwSDZ9kLTelRYcqrc7axPJgt8XnDtqMFQjR9TWYvLctstyBXmSlc/Wpr6pZPFdR j9UA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:cc:subject:to:references:from:autocrypt :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=dOXp5DcGAjWzmnBP/q0YTkhyRy+xf+RNbCMzqxawBZo=; b=I8wOKTWa5wJXdbbYOEqbztgbSSDvrY5AgOsYLx88fKPYwqvKNhCtmXB2ShnCk53iDA aGsfnRaKq5tS0vSgrN+ABxPseajUMQTbfnzVwGI68l83AN8QND3okDnnrLI95D75oG6w vn4eVRMW0SiMKVrGebBtpDM3h+ND/lH5y/2KkgVmXzAu7d/YCQFjanZq8DiafV9QPczW HMzG4c4MBnFVhDSv8JLyUfteFUdcyWtJKqLks7wRvlwCVDKTnI6k8srtmwNS5faWfE61 JREm81Sws4w9aqYmuCSfleOsjoM/M7rxJAuAuyDN9fEQPv0bygTaAxyQbT26JxiIz2dy X21w== X-Gm-Message-State: AOAM533V6KJSyVwAOipTSUSM1Lve7x3m4nBOGIUnY9cCbD5IgaABZBCX QM9veAQL98laJNp2Z73OU36odbhWYcuLdc9Zs0SbSvBxMPdg5Ail674ILF8DQLLp0TuLnK6VY6N 4b557Xyc6NlE= X-Received: by 2002:a37:e212:: with SMTP id g18mr1296634qki.336.1592675427265; Sat, 20 Jun 2020 10:50:27 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyJchZ9nxpY1CydLzjoFWN78TgEfu204hJbizVP16sJlfzDydvJqfsjHJVvmYm74pspaQoRxg== X-Received: by 2002:a37:e212:: with SMTP id g18mr1296623qki.336.1592675426903; Sat, 20 Jun 2020 10:50:26 -0700 (PDT) Autocrypt: addr=chet.ramey@case.edu; prefer-encrypt=mutual; keydata= mQGiBEEOsGwRBACFa0A1oa71HSZLWxAx0svXzhOZNQZOzqHmSuGOG92jIpQpr8DpvgRh40Yp AwdcXb8QG1J5yGAKeevNE1zCFaA725vGSdHUyypHouV0xoWwukYO6qlyyX+2BZU+okBUqoWQ koWxiYaCSfzB2Ln7pmdys1fJhcgBKf3VjWCjd2XJTwCgoFJOwyBFJdugjfwjSoRSwDOIMf0D /iQKqlWhIO1LGpMrGX0il0/x4zj0NAcSwAk7LaPZbN4UPjn5pqGEHBlf1+xDDQCkAoZ/VqES GZragl4VqJfxBr29Ag0UDvNbUbXoxQsARdero1M8GiAIRc50hj7HXFoERwenbNDJL86GPLAQ OTGOCa4W2o29nFfFjQrsrrYHzVtyA/9oyKvTeEMJ7NA3VJdWcmn7gOu0FxEmSNhSoV1T4vP2 1Wf7f5niCCRKQLNyUy0wEApQi4tSysdz+AbgAc0b/bHYVzIf2uO2lIEZQNNt+3g2bmXgloWm W5fsm/di50Gm1l1Na63d3RZ00SeFQos6WEwLUHEB0yp6KXluXLLIZitEJLQwQ2hldCBSYW1l eSAoQ2FzZSBzdGFuZGFyZCkgPGNoZXQucmFtZXlAY2FzZS5lZHU+iF8EExECAB8FAkPi19EC GwMHCwkIBwMCAQMVAgMDFgIBAh4BAheAAAoJELtYafBk6nSrelkAn31Gsuib7GcCZHbv5L5t VKYR9LklAJ4hzUHKA49Z0QXR+qCb80osIcmPSbkBDQRBDrBvEAQAkK6TAOKBEM+EC4j6V/7o /riVZqcgU5cid2qG9TXdwNtD9a3kvA/ObZBO93sX59wc6Bnwo4VJxsOmMlpGrAjJsxNwg3QH akEtf8LXRbVpj5xStdmBdQZUhIQyalo/2/TZq5OijtddUQcL5cs70hTv/FpT3wUvr2Xr8rjF 41IFEz8AAwcD/A0CZEGlzIrT5WCBnl6xBog/8vKiUCbarByat3d1mL6DbizvKNXQRTC9E/vE dENAWCQCjr75Bu55xT8n3SXGtWdDC5xmZ/P3OBYORP8yl8H8I1FIosWOFirbIeYdZPq8SPD1 HL+EXo9zSiHVrrZRJ19ooCKKbSdXHFCY+aJG+0KZiEkEGBECAAkFAkEOsG8CGwwACgkQu1hp 8GTqdKvjcACfZlkVCDwaz/NTO9cy3t69oWpVPNwAnRwe0qk/WL/gfhH346xh5B3HFbFN User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 In-Reply-To: <051e2fbabf3a9912e5d4248efba0f02b@goncalo.pt> Content-Language: en-US X-Mirapoint-IP-Reputation: reputation=Good-1, source=Queried, refid=tid=0001.0A020302.5EEE4341.0030, actions=tag X-Mirapoint-IP-Reputation: reputation=good-1, source=Fixed, refid=n/a, actions=tag X-Junkmail-Status: score=8/80, host=mpv2-2015.case.edu X-Junkmail-PrAS-Raw: score=8/80, refid=2.7.2:2020.6.20.165417:17:8.317, ip=, rules=__YOUTUBE_RCVD, DKIM_SIGNATURE, __X_GOOGLE_DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __MULTIPLE_RCPTS_CC_X2, __SUBJ_REPLY, __PHISH_SPEAR_SUBJ_PREDICATE, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __TO_MALFORMED_2, __TO_NO_NAME, __MULTIPLE_RCPTS_TO_X2, __HAS_REFERENCES, __REFERENCES, __HAS_FROM, FROM_EDU_TLD, __HAS_MSGID, __SANE_MSGID, DATE_TZ_NA, __USER_AGENT, __MOZILLA_USER_AGENT, __MIME_VERSION, __IN_REP_TO, __CT, __CT_TEXT_PLAIN, __CTE, __REPLYTO_SAMEAS_FROM_ADDY, __REPLYTO_SAMEAS_FROM_ACC, __FROM_DOMAIN_IN_ANY_CC2, __REPLYTO_SAMEAS_FROM_DOMAIN, __DKIM_ALIGNS_1, __DKIM_ALIGNS_2, __ANY_URI, __URI_MAILTO, __URI_WITH_PATH, __URI_ENDS_IN_SLASH, __URI_NO_WWW, __CP_URI_IN_BODY, __FRAUD_MONEY_CURRENCY_DOLLAR, __SUBJ_ALPHA_NEGATE, __URI_IN_BODY, __URI_NOT_IMG, __MAIL_CHAIN, __BODY_NO_MAILTO, __NO_HTML_TAG_RAW, BODY_SIZE_600_699, [TRUNCATED], so=2010-03-03 19:42:08, dmn=2016-08-03-0138 Received-SPF: pass client-ip=129.22.103.227; envelope-from=chet.ramey@case.edu; helo=mpv1-2015.case.edu X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/20 13:50:28 X-ACL-Warn: Detected OS = Linux 2.4.x-2.6.x [generic] X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: <967ce82b-0167-909e-559e-b3a9f78e88fd@case.edu> X-Mailman-Original-References: <051e2fbabf3a9912e5d4248efba0f02b@goncalo.pt> Xref: csiph.com gnu.bash.bug:16418 On 6/19/20 8:51 PM, correio@goncalo.pt wrote: > > When we rename the current working directory, $PWD doesn't get updated > as it would as it would if we just did a simple "cd directory". Of course not. There is no mechanism to inform the shell that the file system has changed from underneath it. The shell knows when it changes its own working directory, and can adjust $PWD accordingly. In fact, that is the only thing that changes $PWD. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/