GNU bug report logs - #32004
25.2; Package-install-package Failed to verify signature file-error Setting current directory No such file or directory

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Mike Dupont <jamesmikedupont <at> googlemail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.2; Package-install-package Failed to verify signature file-error
 Setting current directory No such file or directory
Date: Fri, 29 Jun 2018 07:08:59 -0400

[Message part 1 (text/plain, inline)]

I tried to open an url and forgot how, then decided to install w3
but the install failed because I opened a bogus file.

step 1.
C-x-f http://json-schema.org/draft-07/schema

1.0 Shows :
Find file: {http:/} /json-schema.org/draft-07/schema

1.1 RET

this creates a buffer in the non existing directory

/json-schema.org/draft-07/

step 2.

2.1 M-x package-list-packages

2.2. select w3

2.3 Install

Error message is :
Failed to verify signature: file-error, "Setting current directory", "No
such file or directory",/json-schema.org/draft-07/

Workaround, kill buffers for list packages and the draft-07 and select a
different existing file and try again with step 2.

In GNU Emacs 25.2.2 (x86_64-pc-linux-gnu, GTK+ Version 3.22.20)
 of 2017-09-11, modified by Debian built on trouble
Configured using:
 'configure --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/lib
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-pop=yes
 --enable-locallisppath=/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.2/site-lisp:/usr/share/emacs/site-lisp
 --with-sound=alsa --without-gconf --build x86_64-linux-gnu
 --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-pop=yes
 --enable-locallisppath=/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.2/site-lisp:/usr/share/emacs/site-lisp
 --with-sound=alsa --without-gconf --with-x=yes --with-x-toolkit=gtk3
 --with-toolkit-scroll-bars 'CFLAGS=-g -O2
 -fdebug-prefix-map=/build/emacs25-XrMyQe/emacs25-25.2+1=.
-fstack-protector-strong
 -Wformat -Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time
 -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY
ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11

Important settings:
  value of $LC_ALL: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Help

Minor modes in effect:
  diff-auto-refine-mode: t
  shell-dirtrack-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t
ecent messages:
Install package ‘w3-4.0.49’? (y or n) y
Contacting host: elpa.gnu.org:80
package--check-signature-content: Failed to verify signature: file-error,
"Setting current directory", "No such file or directory", "/
json-schema.org/draft-07/"
Contacting host: elpa.gnu.org:80
Type "q" to restore previous buffer.
mouse-2, RET: Push this button
Install package ‘w3-4.0.49’? (y or n) y
Contacting host: elpa.gnu.org:80
package--check-signature-content: Failed to verify signature: file-error,
"Setting current directory", "No such file or directory", "/
json-schema.org/draft-07/"
Making completion list...

Load-path shadows:
/usr/share/emacs/25.2/site-lisp/debian-startup hides
/usr/share/emacs/site-lisp/debian-startup
/usr/share/emacs25/site-lisp/cmake-data/cmake-mode hides
/usr/share/emacs/site-lisp/cmake-mode
/usr/share/emacs/site-lisp/rst hides
/usr/share/emacs/25.2/lisp/textmodes/rst
/home/mdupont/.emacs.d/elpa/let-alist-1.0.5/let-alist hides
/usr/share/emacs/25.2/lisp/emacs-lisp/let-alist
/home/mdupont/.emacs.d/elpa/seq-2.20/seq hides
/usr/share/emacs/25.2/lisp/emacs-lisp/seq
Features:
(shadow sort mail-extr emacsbug sendmail lisp-mnt misearch multi-isearch
mm-archive message rfc822 mml mml-sec mailabbrev gmm-utils mailheader
mm-decode mm-bodies mm-encode url-handlers mail-utils pp cus-edit
cus-start cus-load wid-edit network-stream nsm starttls url-http tls
gnutls mail-parse rfc2231 rfc2047 rfc2045 ietf-drums url-gw url-cache
url-auth url url-proxy url-privacy url-expand url-methods url-history
url-cookie url-domsuf url-util mailcap epg tramp-cache python tramp-sh
tramp tramp-compat tramp-loaddefs trampver ucs-normalize format-spec
dired vc-git diff-mode easy-mmode pcmpl-unix shell pcomplete comint
ansi-color ring term/xterm xterm finder-inf gh-common gh-profile
url-parse auth-source gnus-util time-date mm-util help-fns mail-prsvr
password-cache url-vars rx s marshal cl-seq eieio-compat ht json map
dash eieio eieio-core cl-macs advice info package epg-config seq
byte-opt gv bytecomp byte-compile cl-extra help-mode easymenu cconv
cl-loaddefs pcase cl-lib mule-util tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel x-win term/common-win x-dnd
tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment
elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan
thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian
slovak czech european ethiopic indian cyrillic chinese charscript
case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote dbusbind inotify
dynamic-setting system-font-setting font-render-setting move-toolbar gtk
x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 573975 28190)
 (symbols 48 29079 0)
 (miscs 40 259 1453)
 (strings 32 53685 15848)
 (string-bytes 1 1627948)
 (vectors 16 43721)
 (vector-slots 8 763672 5725)
 (floats 8 406 630)
 (intervals 56 32649 859)
 (buffers 976 44))



-- 
James Michael DuPont

[Message part 2 (text/html, inline)]

Message #10 received at 32004 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Mike Dupont <jamesmikedupont <at> googlemail.com>
Cc: 32004 <at> debbugs.gnu.org
Subject: Re: bug#32004: 25.2; Package-install-package Failed to verify
 signature file-error Setting current directory No such file or directory
Date: Sat, 13 Jul 2019 05:33:03 +0200

Mike Dupont <jamesmikedupont <at> googlemail.com> writes:

> I tried to open an url and forgot how, then decided to install w3
> but the install failed because I opened a bogus file.
>
> step 1.
> C-x-f http://json-schema.org/draft-07/schema
>
> 1.0 Shows :
> Find file: {http:/} /json-schema.org/draft-07/schema
>
> 1.1 RET
>
> this creates a buffer in the non existing directory
>
> /json-schema.org/draft-07/
>
> step 2.
>
> 2.1 M-x package-list-packages

The backtrace is variations on this:

Debugger entered--Lisp error: (file-missing "Setting curren
  make-process(:name "epg" :buffer #<buffer  *epg*-726832> 
  epg--start(#s(epg-context :protocol OpenPGP :program "/us
  epg-start-import-keys(#s(epg-context :protocol OpenPGP :p
  epg--import-keys-1(#s(epg-context :protocol OpenPGP :prog
  epg-import-keys-from-file(#s(epg-context :protocol OpenPG
  package-import-keyring("/home/larsi/src/emacs/trunk/etc/p
  package-refresh-contents(t)
  package-menu-refresh()
  package-list-packages(nil)
  funcall-interactively(package-list-packages nil)
  call-interactively(package-list-packages record nil)
  command-execute(package-list-packages record)
  execute-extended-command(nil "package-list-packages" nil)
  funcall-interactively(execute-extended-command nil "package-list-packages" nil)
  call-interactively(execute-extended-command nil nil)
  command-execute(execute-extended-command)

Is there a standard thing we can use in these circumstances where it
doesn't much matter what default-directory is, other than that it has to
exist?  (And probably has to be readable.)

A `with-ensured-directory' or something might be nice?  Or do we just
bind default-directory to "/"?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #13 received at 32004 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 32004 <at> debbugs.gnu.org, Mike Dupont <jamesmikedupont <at> googlemail.com>
Subject: Re: bug#32004: 25.2; Package-install-package Failed to verify
 signature file-error Setting current directory No such file or directory
Date: Sat, 28 Sep 2019 19:43:35 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Is there a standard thing we can use in these circumstances where it
> doesn't much matter what default-directory is, other than that it has to
> exist?  (And probably has to be readable.)
>
> A `with-ensured-directory' or something might be nice?  Or do we just
> bind default-directory to "/"?

I'd prefer to bind it to "~" to make sure it's writable too (just in
case).  Also, emacs run as root doesn't risk polluting "/" with
spurious temporary files if there is some writing going on when there
shouldn't be.  Or we could use the same value as
url-temporary-directory: (or (getenv "TMPDIR") "/tmp")

Not sure if we want a general facility here, but I guess that depends
on how common these kinds of issues are.

Best regards,
Stefan Kangas

Message #16 received at 32004 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Stefan Kangas <stefan <at> marxist.se>
Cc: 32004 <at> debbugs.gnu.org, Mike Dupont <jamesmikedupont <at> googlemail.com>
Subject: Re: bug#32004: 25.2; Package-install-package Failed to verify
 signature file-error Setting current directory No such file or directory
Date: Sun, 29 Sep 2019 12:29:56 +0200

Stefan Kangas <stefan <at> marxist.se> writes:

> Lars Ingebrigtsen <larsi <at> gnus.org> writes:
>
>> Is there a standard thing we can use in these circumstances where it
>> doesn't much matter what default-directory is, other than that it has to
>> exist?  (And probably has to be readable.)
>>
>> A `with-ensured-directory' or something might be nice?  Or do we just
>> bind default-directory to "/"?
>
> I'd prefer to bind it to "~" to make sure it's writable too (just in
> case).  Also, emacs run as root doesn't risk polluting "/" with
> spurious temporary files if there is some writing going on when there
> shouldn't be.

Most processes don't really write anything anywhere -- they just need to
have a directory that exists...

The use case here is that you open ~/foo/bar/something in a buffer, then
rmdir ~/foo/bar, and then try to start a process from that buffer --
it'll fail, because default-directory doesn't point to something that
exists.  

> Or we could use the same value as
> url-temporary-directory: (or (getenv "TMPDIR") "/tmp")

That's also a good value.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #19 received at 32004 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Stefan Kangas <stefan <at> marxist.se>
Cc: 32004 <at> debbugs.gnu.org, Mike Dupont <jamesmikedupont <at> googlemail.com>
Subject: Re: bug#32004: 25.2; Package-install-package Failed to verify
 signature file-error Setting current directory No such file or directory
Date: Wed, 01 Sep 2021 12:16:32 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

>> Or we could use the same value as
>> url-temporary-directory: (or (getenv "TMPDIR") "/tmp")
>
> That's also a good value.

I've now added a macro for this (with-existing-directory) and used it
here, which I think should fix this issue, so I'm closing it.  If
there's still issues in this area, please respond to the debbugs address
and we'll reopen.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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