* bug#14531: 24.3.50; `log-view-file-prev' doesn't move to the beginning of the log buffer
@ 2013-06-02 2:53 Xue Fuqiao
2013-06-04 1:12 ` Glenn Morris
2020-09-25 11:01 ` bug#9409: " Lars Ingebrigtsen
0 siblings, 2 replies; 6+ messages in thread
From: Xue Fuqiao @ 2013-06-02 2:53 UTC (permalink / raw)
To: 14531
In (info "(emacs) VC Change Log"):
`P'
Move to the log of the previous file, if showing logs for a
multi-file VC fileset. Otherwise, just move to the beginning of
the log. A numeric prefix argument is a repeat count.
I tried visiting a random Emacs Lisp file (calc.el) in the bzr repo, and
then execute `vc-print-log'. It isn't a multi-file fileset, but
pressing `P' does not move to the beginning of the log buffer. Instead,
an error message "No previous file" occurs.
In GNU Emacs 24.3.50.1 (x86_64-apple-darwin12.3.0, NS apple-appkit-1187.37)
of 2013-06-01 on xfq.local
Bzr revision: 112804 eggert@cs.ucla.edu-20130601005434-8ksmtpg0tgseqsmf
Windowing system distributor `Apple', version 10.3.1187
Configured using:
`configure --with-ns --enable-gtk-deprecation-warnings
--enable-checking'
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: Info
Minor modes in effect:
diff-auto-refine-mode: t
shell-dirtrack-mode: t
text-scale-mode: t
which-function-mode: t
electric-pair-mode: t
delete-selection-mode: t
auto-image-file-mode: t
display-time-mode: t
ido-everywhere: t
keyfreq-autosave-mode: t
keyfreq-mode: t
show-paren-mode: t
yas-global-mode: t
yas-minor-mode: t
savehist-mode: t
tooltip-mode: t
mouse-wheel-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
size-indication-mode: t
column-number-mode: t
line-number-mode: t
transient-mark-mode: t
abbrev-mode: t
Recent input:
C-x b <return> C-x v l C-x 4 b <return> C-x r b <return>
C-x o SPC SPC SPC SPC M-v M-v M-v M-v SPC SPC SPC SPC
SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC SPC
M-< C-x o <down> <up> <down> <down> <down> C-x o p
p n n n p p C-x o <C-down> <C-down> C-l C-x o P n n
P P P C-h k P C-x o <tab> <return> <help-echo> <help-echo>
C-x k <return> <down-mouse-1> <mouse-1> C-x b <return>
C-x o n n n n n n n n n n n n n n P P P P P P P P P
P C-h k P <help-echo> <down-mouse-2> <mouse-1> M-<
C-v C-v C-v C-x C-x C-g C-v C-v C-v C-v C-v C-v C-v
C-v C-v C-v C-v C-x k <return> C-x b <return> C-x o
C-h k p C-x o <tab> <return> <right> C-h f <return>
<help-echo> <down-mouse-2> <mouse-1> M-< C-v C-x k
<return> C-x b <return> C-x b i n <return> <help-echo>
C-x b g m C-g C-x o C-x b i n C-g C-x C-f C-g C-x b
e m o <return> C-p C-p C-a <tab> C-n C-n C-a <C-return>
l o g - v i e w . e l C-x b <return> M-x r e - e m
- b u <tab> C-g M-! e m C-g M-! e m a c s SPC - Q C-g
C-x o C-n C-n M-x - <backspace> r e - e m - b u <tab>
<return> C-g C-x b C-g C-x 4 b v c <return> C-h k P
C-x o M-f M-f M-f M-f M-f M-b C-SPC M-f M-f M-f M-f
M-w C-x b <return> M-x r e - e m - b u <tab> <retu
rn>
Recent messages:
Type "q" in help window to restore its previous buffer.
mouse-2, RET: find function's definition
uncompressing log-view.el.gz...done
uncompressing easy-mmode.el.gz...done
Mark set
Quit [8 times]
Type "q" in help window to restore its previous buffer.
Mark set
delete-backward-char: Text is read-only
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Features:
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bookmark add-log vc-bzr checkdoc thingatpt org-element vc-git flyspell
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org-pcomplete pcomplete org-list org-faces org-entities noutline outline
org-version ob-emacs-lisp ob ob-tangle org-src ob-ref ob-lob ob-table
ob-keys ob-exp ob-comint ob-core ob-eval org-compat org-macs
org-loaddefs find-func uniquify tsdh-dark-theme which-func imenu avoid
electric delsel image-file cus-start cus-load view mule-util cal-china
lunar solar cal-dst cal-bahai cal-islam cal-hebrew holidays hol-loaddefs
diary-lib diary-loaddefs cal-menu calendar cal-loaddefs time ielm pp
comint ansi-color ring server gnus-util message cl-macs gv format-spec
rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mailabbrev mail-utils
gmm-utils mailheader ido keyfreq easy-mmode paren yasnippet byte-opt
warnings advice edmacro kmacro help-mode cl nadvice savehist eldoc
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tooltip ediff-hook vc-hooks lisp-float-type mwheel ns-win tool-bar dnd
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register page menu-bar rfn-eshadow timer select scroll-bar mouse
jit-lock font-lock syntax facemenu font-core frame cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev
minibuffer loaddefs button faces cus-face macroexp files text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote make-network-process ns multi-tty
emacs)
--
Best regards, Xue Fuqiao.
http://www.gnu.org/software/emacs/
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#14531: 24.3.50; `log-view-file-prev' doesn't move to the beginning of the log buffer
2013-06-02 2:53 bug#14531: 24.3.50; `log-view-file-prev' doesn't move to the beginning of the log buffer Xue Fuqiao
@ 2013-06-04 1:12 ` Glenn Morris
2020-09-25 11:01 ` bug#9409: " Lars Ingebrigtsen
1 sibling, 0 replies; 6+ messages in thread
From: Glenn Morris @ 2013-06-04 1:12 UTC (permalink / raw)
To: Xue Fuqiao; +Cc: 14531
Xue Fuqiao wrote:
> I tried visiting a random Emacs Lisp file (calc.el) in the bzr repo, and
> then execute `vc-print-log'. It isn't a multi-file fileset, but
> pressing `P' does not move to the beginning of the log buffer. Instead,
> an error message "No previous file" occurs.
I think this is
http://debbugs.gnu.org/9409
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#9409: bug#14531: 24.3.50; `log-view-file-prev' doesn't move to the beginning of the log buffer
2013-06-02 2:53 bug#14531: 24.3.50; `log-view-file-prev' doesn't move to the beginning of the log buffer Xue Fuqiao
2013-06-04 1:12 ` Glenn Morris
@ 2020-09-25 11:01 ` Lars Ingebrigtsen
2022-05-05 12:28 ` Lars Ingebrigtsen
1 sibling, 1 reply; 6+ messages in thread
From: Lars Ingebrigtsen @ 2020-09-25 11:01 UTC (permalink / raw)
To: Xue Fuqiao; +Cc: 9409, 14531
Xue Fuqiao <xfq.free@gmail.com> writes:
> In (info "(emacs) VC Change Log"):
> `P'
> Move to the log of the previous file, if showing logs for a
> multi-file VC fileset. Otherwise, just move to the beginning of
> the log. A numeric prefix argument is a repeat count.
>
> I tried visiting a random Emacs Lisp file (calc.el) in the bzr repo, and
> then execute `vc-print-log'. It isn't a multi-file fileset, but
> pressing `P' does not move to the beginning of the log buffer. Instead,
> an error message "No previous file" occurs.
I'm not sure what that command is meant to do, even after reading the
documentation and reading the code (and even reading the code doesn't
help that much, because these are easy-mmode-define-navigation
incantation).
It searches for the prev instance of:
log-view-file-re
"^\\(?:Working file: \\(?1:.+\\)\\|\\(?:SCCS/s\\.\\|Changes to \\)\\(?1:.+\\):\\)
"
in the *vc-change-log* buffer? But ... there's nothing like that in a
git buffer?
So `P'/`N' always fails for me. Is this just code that has bitrotted,
or is the use case just not... explained well?
This bug was merged with:
Eduard Wiebe <usenet@pusto.de> writes:
> it bothers me that in some situation i cannot reach the head information
> of the `vc-print-log' via `log-view-msg-prev'.
>
> I fixed the issue by following simple patch.
[...]
> - (error "No previous %s" ,name)))
> + (goto-char (point-min))
> + (error "No previous %s" ,name)))
I don't understand what's meant by "the head information", but the
`n'/`p' commands in *vc-change-log* buffers seems to work well for me?
Test case:
C-x C-f calc.el
C-x v l
n
p
p
So these seem to be different bugs and the second bug has been fixed in
the intervening years?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#14531: 24.3.50; `log-view-file-prev' doesn't move to the beginning of the log buffer
2020-09-25 11:01 ` bug#9409: " Lars Ingebrigtsen
@ 2022-05-05 12:28 ` Lars Ingebrigtsen
2022-05-05 19:58 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
0 siblings, 1 reply; 6+ messages in thread
From: Lars Ingebrigtsen @ 2022-05-05 12:28 UTC (permalink / raw)
To: Xue Fuqiao; +Cc: 9409, Dmitry Gutov, Stefan Monnier, 14531
Lars Ingebrigtsen <larsi@gnus.org> writes:
>> In (info "(emacs) VC Change Log"):
>> `P'
>> Move to the log of the previous file, if showing logs for a
>> multi-file VC fileset. Otherwise, just move to the beginning of
>> the log. A numeric prefix argument is a repeat count.
>>
>> I tried visiting a random Emacs Lisp file (calc.el) in the bzr repo, and
>> then execute `vc-print-log'. It isn't a multi-file fileset, but
>> pressing `P' does not move to the beginning of the log buffer. Instead,
>> an error message "No previous file" occurs.
>
> I'm not sure what that command is meant to do, even after reading the
> documentation and reading the code (and even reading the code doesn't
> help that much, because these are easy-mmode-define-navigation
> incantation).
>
> It searches for the prev instance of:
>
> log-view-file-re
> "^\\(?:Working file: \\(?1:.+\\)\\|\\(?:SCCS/s\\.\\|Changes to
> \\)\\(?1:.+\\):\\)
> "
>
> in the *vc-change-log* buffer? But ... there's nothing like that in a
> git buffer?
>
> So `P'/`N' always fails for me. Is this just code that has bitrotted,
> or is the use case just not... explained well?
Perhaps these commands are CVS/RCS/SCCS-specific, and shouldn't be
enabled in general? Because they're pretty confusing as is, and should
(at the very least) explain better what they're attempting to do.
I've added Stefan and Dmitry to the CCs; perhaps they have some insights
here.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#14531: 24.3.50; `log-view-file-prev' doesn't move to the beginning of the log buffer
2022-05-05 12:28 ` Lars Ingebrigtsen
@ 2022-05-05 19:58 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-05-06 11:45 ` Lars Ingebrigtsen
0 siblings, 1 reply; 6+ messages in thread
From: Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2022-05-05 19:58 UTC (permalink / raw)
To: Lars Ingebrigtsen; +Cc: Xue Fuqiao, 9409, Dmitry Gutov, 14531
Lars Ingebrigtsen [2022-05-05 14:28:00] wrote:
>>> In (info "(emacs) VC Change Log"):
>>> `P'
>>> Move to the log of the previous file, if showing logs for a
>>> multi-file VC fileset. Otherwise, just move to the beginning of
>>> the log. A numeric prefix argument is a repeat count.
[...]
> Perhaps these commands are CVS/RCS/SCCS-specific,
Indeed, I think this command doesn't make much sense in current VCSs.
It made sense for CVS where `cvs log <dir>` would give the logs of every
file in <dir>, one after the other.
Stefan
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#14531: 24.3.50; `log-view-file-prev' doesn't move to the beginning of the log buffer
2022-05-05 19:58 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
@ 2022-05-06 11:45 ` Lars Ingebrigtsen
0 siblings, 0 replies; 6+ messages in thread
From: Lars Ingebrigtsen @ 2022-05-06 11:45 UTC (permalink / raw)
To: Stefan Monnier; +Cc: Xue Fuqiao, 9409, Dmitry Gutov, 14531
Stefan Monnier <monnier@iro.umontreal.ca> writes:
> Indeed, I think this command doesn't make much sense in current VCSs.
> It made sense for CVS where `cvs log <dir>` would give the logs of every
> file in <dir>, one after the other.
Right. So I've now made new tiny derived log-view modes for these VCs,
and removed the bindings in the general log-view map in Emacs 29.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2022-05-06 11:45 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-06-02 2:53 bug#14531: 24.3.50; `log-view-file-prev' doesn't move to the beginning of the log buffer Xue Fuqiao
2013-06-04 1:12 ` Glenn Morris
2020-09-25 11:01 ` bug#9409: " Lars Ingebrigtsen
2022-05-05 12:28 ` Lars Ingebrigtsen
2022-05-05 19:58 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-05-06 11:45 ` Lars Ingebrigtsen
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