From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Kangas Newsgroups: gmane.emacs.bugs Subject: bug#52477: 27.1; .crx and .crx3 are zip files Date: Wed, 15 Dec 2021 12:51:48 -0800 Message-ID: References: <878rwn238l.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23653"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: 52477@debbugs.gnu.org To: "Trent W. 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Buck's message of "Tue, 14 Dec 2021 15:56:58 +1100") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:222449 Archived-At: "Trent W. Buck" writes: > These are .zip files; "unzip -l" works on them: > > https://edgedl.me.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvMjg0QUFYSnN4MFUtaEQwNDZqVGRkVkFmZw/1.0.6.0_aemomkdncapdnfajjbbcbdebjljbpmpj.crx > https://edgedl.me.gvt1.com/edgedl/release2/chrome_component/acoof3hxrw6kobkazuyehcxdgxeq_2749/jflookgnkcckhobaglndicnbbgbonegd_2749_all_jujpn2jyxpu4ped7yujq342ypq.crx3 > > I want to be able to press RET on them in dired, and > see a zip view of their contents. > > This already works for .jar and .ods, so I hoped it was just a matter of > adding to a list somewhere, but I cannot see where. > > But when I tried just changing ".crx" to ".zip", I got an error: > > File mode specification error: (error Buffer format not recognized) Just to add some initial observations: $ file 1.0.6.0_aemomkdncapdnfajjbbcbdebjljbpmpj.crx 1.0.6.0_aemomkdncapdnfajjbbcbdebjljbpmpj.crx: Google Chrome extension, version 3 The first couple of bytes of that files is "Cr24", while a normal zip file starts with "PK".