From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#52477: 27.1; .crx and .crx3 are zip files Date: Wed, 22 Dec 2021 13:20:10 +0100 Message-ID: <87ee64esqt.fsf@gmx.de> References: <878rwn238l.fsf@gmail.com> <87lf0l53mu.fsf@gmx.de> <83r1achpkv.fsf@gnu.org> <874k78hibe.fsf@gmx.de> <83fsqshehh.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13138"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: stefan@marxist.se, 52477@debbugs.gnu.org To: "Trent W. 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Buck's message of "Wed, 22 Dec 2021 14:50:43 +1100") X-Provags-ID: V03:K1:bWWV9PVtxdtTfJFfbWEImnDvLg6viy9uv5t5hWaAZX/LTC/TvDe Mpj+sjx5fZcjQ/xGgasTFnj+LZRM2Es9uNLkyS8P7fpdAxlnrl9bZQI8OgpxH/5v0xRcop3 28LxxnUQ/4Bn6BHAUzUGraS8cirFBT2kuUnlfeqnLJlYts3xreVCa5zhWpD5DM7WmB8u+CW 46iI+m7mJl3+iS7k2nkFA== X-UI-Out-Filterresults: notjunk:1;V03:K0:Yddl1sJcFik=:ZZcrrozbJXYJ2aw/hqw3JN 2Ow+eewVt5LgwtsoBoM7h0wiSJWvSjKW8lIcGJflq0nAhkPYVM6UDdtxsOu3fbnrW3edYbS2W XbBkouVINN00XV0RWZFlVv0bVopM/K2YJHysJIpJ80uVoS4vHxiNEY5Mvm2mPUlvS60G/ZwBS /ZYBcT2uE3gtfAZirsaQjsOWfA36sslyIfL82YG6j6VcRE7nlfXPqiaJ4hCY/OjWFYzyBEQke Kw6WtAG5gbXvXKWrr60do/0zKoH2v5xjtvE28P/JmuwEcv2raCX/4FdsjOdTF/XlOqNPeiO3Y x1li2bYy+1Zz52k0fNipyZMA2AcNiYr5qVtkA4gK6Y0TY+YlC3ovwEIfhmTKcd7RytL936QBp UlzfsMfcEgZYpZIQRszITA+SqXINew8dq9n2V1i9ahgHZs2Qk/pseZOUOoGy3Kfn9/wf9U/gv mrphAHwt6u0bV8j3m/RtsujsfxLpdSqdfW79/dzxx+VIKBxnGF+BBTbKQvykYsOCiMR/Pg9g4 ubfkh+Es7CiZK/SuPV5b5X71c4sEujY8OUlBeMYuF/o15UBxy14uSUKODqcbWWRg+WNbBQ1CK AtjgK2IaZE41W6HwYe/+NHYnM88L+p0jr04sYCi7BtqiGc0+SgZQV2L2DcaMWp0q4KGxJxSlT Bavztw3YW33cQwQbDBMEx3qJe1gFwapK30hwKQlp1+GjzOV6sRuOXdDL3uhw6bhJ1CUxbF1mN IRMm3i+VhOixjWRBVpgzAm64imGO02aajhAMHRAvdwcsrwr7YH0UYBEWKdtmFZs5vD8rr0En 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:222925 Archived-At: "Trent W. Buck" writes: Hi Trent, > FTR, as the end user, I don't really care HOW it's implemented. > > I also don't really care about editing, i.e. read-only support is fine. > I have a similar "eyeball the result" workflow for .deb using > > /usr/share/emacs/site-lisp/elpa-src/debian-el-37/deb-view.el .deb files are handled by libarchive(3), and so they are supported in tramp-archive.el. > Someone mentioned libarchive, originally from BSD, which provides a > standard interface to EVERY(ish) archive and compression format. > > Is it reasonable for emacs to just chuck out arc-mode (and tar-mode > and jka-compr) and instead just use libarchive? > It's already used by vlc and a lot of GNOME stuff. > > libarchive already understands both .pyz and .crx3 files, at least for reading: > > bash5$ bsdtar -vtf MyCoolApp.pyz > -rw-r--r-- 0 0 0 23 Dec 22 14:33 __main__.py > > bash5$ bsdtar -vtf jamhcnnkihinmdlkakkaopbjbbcngflc_99.0.4764.2_all_nfh7crk5nxg3omjxfwx5cuhrz4.crx3 > -rw-rw-r-- 0 0 0 3484 Dec 13 12:34 hyph-und-ethi.hyb No. Neither .pyz nor .crx3? formats are supported by libarchive, I've just tested it with Nautilus, the GNOME file manager. bsdtar uses several archive libraries, I guess another archive library must be responsible for these formats. However, I'm in favor to add native libarchive support to Emacs. The current integration via tramp-archive has its limitations: - It is based on the GVFS archive backend and D-Bus integration, in practice it means it is available for GNU/Linux only. - The GVFS guys did not implement writing into archives, which is supported by native libarchive. But as said above, this wouldn't mean that *all* archive formats are supported. Best regards, Michael.