GNU bug report logs - #4868
23.1; "No fileset is available here"

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Tom Tromey <tromey <at> redhat.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 23.1; "No fileset is available here"
Date: Wed, 04 Nov 2009 12:18:46 -0700

Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the bug-gnu-emacs <at> gnu.org mailing list,
and to the gnu.emacs.bug news group.

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:


I modified a file in a git-managed directory.
Then I typed `C-x v ='.
I got an error: "No fileset is available here".
However, if I switch to another buffer visiting a (modified) file in
that same directory, `C-x v =' works just fine.


If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/share/emacs/23.1/etc/DEBUG for instructions.


In GNU Emacs 23.1.1 (i386-redhat-linux-gnu, GTK+ Version 2.16.6)
 of 2009-09-29 on x86-7.fedora.phx.redhat.com
Windowing system distributor `The X.Org Foundation', version 11.0.10603901
configured using `configure  '--build=i386-redhat-linux-gnu' '--host=i386-redhat-linux-gnu' '--target=i586-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/var/lib' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--with-dbus' '--with-gif' '--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff' '--with-xft' '--with-xpm' '--with-x-toolkit=gtk' 'build_alias=i386-redhat-linux-gnu' 'host_alias=i386-redhat-linux-gnu' 'target_alias=i586-redhat-linux-gnu' 'CFLAGS=-DMAIL_USE_LOCKF -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i586 -mtune=generic -fasynchronous-unwind-tables''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: Diff

Minor modes in effect:
  vc-parent-buffer: dwarf2read.c<archer>
  shell-dirtrack-mode: t
  diff-auto-refine-mode: t
  erc-list-mode: t
  erc-menu-mode: t
  erc-autojoin-mode: t
  erc-ring-mode: t
  erc-pcomplete-mode: t
  erc-track-mode: t
  erc-track-minor-mode: t
  erc-match-mode: t
  erc-button-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-netsplit-mode: t
  erc-spelling-mode: t
  erc-truncate-mode: t
  erc-status-mode: t
  erc-services-mode: t
  erc-networks-mode: t
  erc-irccontrols-mode: t
  erc-noncommands-mode: t
  erc-move-to-prompt-mode: t
  erc-readonly-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
n k i n g SPC t o o SPC s o u n d l y , SPC I S-SPC 
s u p p o s e , SPC w h e n SPC I SPC n u k e d SPC 
t h i s . <return> Y <backspace> I SPC t h i n k SPC 
y o u r SPC p o i n t SPC i s SPC a SPC g o o d SPC 
o n e . SPC S-SPC I f SPC y o u ' d SPC p r e f e r 
, SPC I S-SPC w i l l SPC l e a v e SPC t h i s SPC 
s t a t i c SPC a n d SPC j u s t SPC z e r o SPC o 
u t SPC t h a t SPC f i e l d . C-p C-p C-a C-u C-n 
C-SPC C-u C-n C-u C-n C-u C-n C-p C-n C-w C-p C-p C-e 
SPC S-SPC I SPC <M-backspace> M-q C-c C-c M S-SPC q 
s z C-c b C-p C-p M-f M-f M-b l <backspace> n a m e 
l M-/ SPC ! = SPC - 1 SPC & & S-SPC C-a C-u C-n C-u 
C-n C-l C-u C-p C-u C-p C-s n a m e l e n g t h C-a 
C-x C-s C-x v = C-x v = C-p C-n C-f C-p C-f C-e C-a 
C-x v = C-x s C-x C-f C-g C-x C-f d w <tab> r <tab> 
<return> C-x v = C-x b C-a <return> C-x v = C-x o C-x 
v = C-z o C-z o M-x r e p o r t - e m <tab> <return> 
b <tab> <return>

Recent messages:
Saving file /home/tromey/gnu/archer/archer/gdb/psymtab.c...
Wrote /home/tromey/gnu/archer/archer/gdb/psymtab.c
vc-deduce-fileset: No fileset is available here. [3 times]
(No files need saving)
Quit
Finding changes in /home/tromey/gnu/archer/archer/gdb/dwarf2read.c...done
Quit
vc-deduce-fileset: No fileset is available here.
Finding changes in /home/tromey/gnu/archer/archer/gdb/dwarf2read.c...done
Making completion list...

Tom

Message #8 received at 4868 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Dan Nicolaescu <dann <at> ics.uci.edu>
To: Tom Tromey <tromey <at> redhat.com>
Cc: 4868 <at> debbugs.gnu.org
Subject: Re: bug#4868: 23.1; "No fileset is available here"
Date: Wed, 4 Nov 2009 13:15:22 -0800 (PST)

Tom Tromey <tromey <at> redhat.com> writes:

  > I modified a file in a git-managed directory.
  > Then I typed `C-x v ='.
  > I got an error: "No fileset is available here".

Is this file not registered with Git?

If yes, then that's the error it would get.
emacs-22 used to have a nicer looking error in that case: "File is not
under version control".   Not sure why that check got removed, there's
nothing in the ChangeLog to explain it :-(

  > However, if I switch to another buffer visiting a (modified) file in
  > that same directory, `C-x v =' works just fine.

Message #13 received at 4868 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Dan Nicolaescu <dann <at> ics.uci.edu>
Cc: 4868 <at> debbugs.gnu.org, Tom Tromey <tromey <at> redhat.com>
Subject: Re: bug#4868: 23.1; "No fileset is available here"
Date: Wed, 04 Nov 2009 21:02:23 -0500

>> I modified a file in a git-managed directory.
>> Then I typed `C-x v ='.
>> I got an error: "No fileset is available here".

> Is this file not registered with Git?

> If yes, then that's the error it would get.
> emacs-22 used to have a nicer looking error in that case: "File is not
> under version control".   Not sure why that check got removed, there's
> nothing in the ChangeLog to explain it :-(

Would the patch below make sense?  After all, at that point we've
already checked we're visiting a file, there's no backend and we're not
in vc-dir-mode, so a message like "No fileset is available here" is
probably never right.


        Stefan


=== modified file 'lisp/vc.el'
--- lisp/vc.el	2009-10-24 18:33:25 +0000
+++ lisp/vc.el	2009-11-05 02:00:24 +0000
@@ -922,7 +922,7 @@
 		nil)
 	(list (vc-backend-for-registration (buffer-file-name))
 	      (list buffer-file-name))))
-     (t (error "No fileset is available here")))))
+     (t (error "File is not under version control")))))
 
 (defun vc-ensure-vc-buffer ()
   "Make sure that the current buffer visits a version-controlled file."

Message #16 received at 4868 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Dan Nicolaescu <dann <at> ics.uci.edu>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 4868 <at> debbugs.gnu.org, Tom Tromey <tromey <at> redhat.com>
Subject: Re: bug#4868: 23.1; "No fileset is available here"
Date: Wed, 4 Nov 2009 18:14:42 -0800 (PST)

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

  > >> I modified a file in a git-managed directory.
  > >> Then I typed `C-x v ='.
  > >> I got an error: "No fileset is available here".
  > 
  > > Is this file not registered with Git?
  > 
  > > If yes, then that's the error it would get.
  > > emacs-22 used to have a nicer looking error in that case: "File is not
  > > under version control".   Not sure why that check got removed, there's
  > > nothing in the ChangeLog to explain it :-(
  > 
  > Would the patch below make sense?  After all, at that point we've

Looks fine to me.

  > already checked we're visiting a file, there's no backend and we're not
  > in vc-dir-mode, so a message like "No fileset is available here" is
  > probably never right.



  > 
  >         Stefan
  > 
  > 
  > === modified file 'lisp/vc.el'
  > --- lisp/vc.el	2009-10-24 18:33:25 +0000
  > +++ lisp/vc.el	2009-11-05 02:00:24 +0000
  > @@ -922,7 +922,7 @@
  >  		nil)
  >  	(list (vc-backend-for-registration (buffer-file-name))
  >  	      (list buffer-file-name))))
  > -     (t (error "No fileset is available here")))))
  > +     (t (error "File is not under version control")))))
  >  
  >  (defun vc-ensure-vc-buffer ()
  >    "Make sure that the current buffer visits a version-controlled file."

Message #21 received at 4868 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Tom Tromey <tromey <at> redhat.com>
To: Dan Nicolaescu <dann <at> ics.uci.edu>
Cc: 4868 <at> debbugs.gnu.org
Subject: Re: bug#4868: 23.1; "No fileset is available here"
Date: Sun, 08 Nov 2009 10:03:24 -0700

>>>>> "Dan" == Dan Nicolaescu <dann <at> ics.uci.edu> writes:

>> I modified a file in a git-managed directory.
>> Then I typed `C-x v ='.
>> I got an error: "No fileset is available here".

Dan> Is this file not registered with Git?

Yeah, it turns out it is not.
I switched branches to a branch where this file did not exist, but
didn't remember that, and also didn't update TAGS.  Whoops.

Tom

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