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bug#4497: 23.1; vc-print-log -vs- very long log files


From: Tom Tromey
Subject: bug#4497: 23.1; vc-print-log -vs- very long log files
Date: Sun, 20 Sep 2009 12:53:19 -0600

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 address@hidden 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 invoked vc-print-log from vc-dir on the emacs git repository.
This generates an extremely large amount of data.
I couldn't find a way to interrupt the log generation; I ended up
killing git directly from the shell.

It would be nice if VC were smarter about limiting the amount of log
output.  I am not sure exactly how I would want this to work, but at
least by default I probably don't want more than a couple megabytes of
output.


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 2.16.5)
 of 2009-08-26 on x86-2.fedora.phx.redhat.com
Windowing system distributor `The X.Org Foundation', version 11.0.10601901
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: C/l

Minor modes in effect:
  auto-fill-function: tjt-c++-do-auto-fill
  shell-dirtrack-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
  diff-auto-refine-mode: t
  flyspell-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
  abbrev-mode: t

Recent input:
C-n C-u C-n p n SPC n = C-n C-u C-u d C-u C-u d C-l 
C-u C-p C-p C-p SPC N P N N P P N N N N = C-u d d d 
d d C-u C-u C-u d q s SPC c SPC SPC d q SPC SPC c SPC 
SPC C-u C-n SPC q s M-g M-g p SPC C-n d q M-< SPC c 
SPC SPC c SPC SPC c SPC n SPC c SPC SPC SPC c SPC SPC 
c SPC n SPC c SPC SPC d SPC q s n n n SPC c SPC n SPC 
q n n M-g n n SPC c C-g SPC q SPC c SPC SPC c SPC C-p 
C-p C-u = 5 <backspace> 2 5 <return> C-s z o o k C-a 
SPC SPC SPC N N N N S-SPC N S-SPC N N q s n n C-l SPC 
C-z o C-v C-l C-v C-v n n q M-x g i d C-g M-x g i d 
<return> a c c C-a C-k a c c e p t - p r o c e s s 
- o u t p u t <return> n M-x g i d <return> M-p M-b 
M-b M-b F M-f C-d _ M-f C-d _ <return> n <f9> C-x 1 
C-z o c SPC SPC d q n n SPC d q n M-g p SPC M-> Q y 
s <switch-frame> C-v C-f <next> C-z n l s C-v C-u C-n 
C-u C-n n n n n n n n SPC 5 0 <return> M-> q s z C-c 
b C-z C-g C-c b C-c b C-z o <next> <next> <next> C-z 
o M-x r e p o r t - e m <tab> b <tab> <return>

Recent messages:
Scoring...done
Scoring...done
Generating summary...done
Mark set
Expiring articles...done
(No changes need to be saved)
Saving /home/tromey/.newsrc.eld...
Saving file /home/tromey/.newsrc.eld...
Wrote /home/tromey/.newsrc.eld
Saving /home/tromey/.newsrc.eld...done

Tom






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