Stefan Kangas <stefan@HIDDEN>
to control <at> debbugs.gnu.org.
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From: Ed Avis <eda@HIDDEN>
To: 'Eli Zaretskii' <eliz@HIDDEN>
Subject: RE: bug#19911: 24.4; shell-mode command completion - smarter
handling of backup files
Thread-Topic: bug#19911: 24.4; shell-mode command completion - smarter
handling of backup files
Thread-Index: AQHQTQJePpx9MlyrpUaAfgkjI9kb7pz5ayEg
Date: Fri, 20 Feb 2015 11:47:55 +0000
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>Does customizing shell-completion-fignore to include "~" do what you
>want?
It appears not to; I now have
'(shell-completion-fignore (quote ("~"))
in my custom-set-variables, but the behaviour on typing ./script TAB TAB i=
s still the same.
But really this bug is about the different treatment of filename completio=
n and command completion.
Whatever the shell-completion-fignore setting, it should apply the same wa=
y to both.
It appears that filename completion has special handling for backup files,=
even if shell-completion-fignore
is at its default empty values. The backup files are not completely ignor=
ed for tab-completion, but
they do not provoke a completions buffer either. They just require you to=
hit TAB a second time.
That is a sensible compromise as a default behaviour - it just needs to be=
applied consistently to
command completion too.
--=20
Ed Avis <eda@HIDDEN>
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bug-gnu-emacs@HIDDEN:bug#19911; Package emacs.
Full text available.Received: (at 19911) by debbugs.gnu.org; 20 Feb 2015 11:42:59 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Feb 20 06:42:59 2015 Received: from localhost ([127.0.0.1]:49197 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1YOlz1-0006LH-Et for submit <at> debbugs.gnu.org; Fri, 20 Feb 2015 06:42:59 -0500 Received: from mtaout21.012.net.il ([80.179.55.169]:46921) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <eliz@HIDDEN>) id 1YOlyy-0006L8-FQ for 19911 <at> debbugs.gnu.org; Fri, 20 Feb 2015 06:42:57 -0500 Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0NK200900IZBAR00@HIDDEN> for 19911 <at> debbugs.gnu.org; Fri, 20 Feb 2015 13:42:55 +0200 (IST) Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NK2009BTJ7IAY00@HIDDEN>; Fri, 20 Feb 2015 13:42:55 +0200 (IST) Date: Fri, 20 Feb 2015 13:43:11 +0200 From: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#19911: 24.4; shell-mode command completion - smarter handling of backup files In-reply-to: <7E039918541B4C4183BFDB8F015C743032DD9159@HIDDEN> X-012-Sender: halo1@HIDDEN To: Ed Avis <eda@HIDDEN> Message-id: <83bnkolsfk.fsf@HIDDEN> References: <7E039918541B4C4183BFDB8F015C743032DD9159@HIDDEN> X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: 19911 Cc: 19911 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: Eli Zaretskii <eliz@HIDDEN> List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: 1.0 (+) > From: Ed Avis <eda@HIDDEN> > Date: Fri, 20 Feb 2015 11:35:21 +0000 > > Create a file 'script' and make it executable. Edit it in emacs > so that a backup file 'script~' is also created (and Emacs makes > the backup file executable too). > > Now m-x shell and type > > ls script TAB TAB > > The first TAB appears not to do anything, but the second TAB inserts a > space as a unique completion. This is because tab-completion for > filenames gives lower importance to backup files ending ~, so that they > won't by themselves cause a completions buffer to pop up. That is a > useful enhancement to the usability of tab-completion. > > However, the same useful behaviour isn't applied for command completion, > in other words the first word of the shell command typed. Enter > > ./script TAB TAB > > and you get a 'Complete, but not unique' message and on the second TAB > a completions buffer showing script and script~. > > It would be more useful to treat the backup file consistently with what > happens for ordinary filename completion, so that the first TAB would > appear to do nothing, while the second TAB inserts a space. Does customizing shell-completion-fignore to include "~" do what you want?
bug-gnu-emacs@HIDDEN:bug#19911; Package emacs.
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From: Ed Avis <eda@HIDDEN>
To: "'bug-gnu-emacs@HIDDEN'" <bug-gnu-emacs@HIDDEN>
Subject: 24.4; shell-mode command completion - smarter handling of backup files
Thread-Topic: 24.4; shell-mode command completion - smarter handling of
backup files
Thread-Index: AdBNAUGFmWYGb+xqQ1umVmKpBnqc2Q==
Date: Fri, 20 Feb 2015 11:35:21 +0000
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Create a file 'script' and make it executable. Edit it in emacs
so that a backup file 'script~' is also created (and Emacs makes
the backup file executable too).
Now m-x shell and type
ls script TAB TAB
The first TAB appears not to do anything, but the second TAB inserts a
space as a unique completion. This is because tab-completion for
filenames gives lower importance to backup files ending ~, so that they
won't by themselves cause a completions buffer to pop up. That is a
useful enhancement to the usability of tab-completion.
However, the same useful behaviour isn't applied for command completion,
in other words the first word of the shell command typed. Enter
./script TAB TAB
and you get a 'Complete, but not unique' message and on the second TAB
a completions buffer showing script and script~.
It would be more useful to treat the backup file consistently with what
happens for ordinary filename completion, so that the first TAB would
appear to do nothing, while the second TAB inserts a space.
In GNU Emacs 24.4.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.10.9)
of 2014-11-03 on wcl-linux04.wcl.local
Configured using:
`configure --build=3Dx86_64-redhat-linux-gnu
--host=3Dx86_64-redhat-linux-gnu --program-prefix=3D
--disable-dependency-tracking --prefix=3D/usr --exec-prefix=3D/usr
--bindir=3D/usr/bin --sbindir=3D/usr/sbin --sysconfdir=3D/etc
--datadir=3D/usr/share --includedir=3D/usr/include --libdir=3D/usr/lib64
--libexecdir=3D/usr/libexec --localstatedir=3D/var
--sharedstatedir=3D/var/lib --mandir=3D/usr/share/man
--infodir=3D/usr/share/info --with-dbus --with-gif --with-jpeg --with-png=
--with-rsvg --with-tiff --with-xft --with-xpm --with-x-toolkit=3Dgtk3
--with-gpm=3Dno build_alias=3Dx86_64-redhat-linux-gnu
host_alias=3Dx86_64-redhat-linux-gnu 'CFLAGS=3D-DMAIL_USE_LOCKF -O2 -g
-pipe -Wall -Wp,-D_FORTIFY_SOURCE=3D2 -fexceptions
-fstack-protector-strong --param=3Dssp-buffer-size=3D4
-grecord-gcc-switches -m64 -mtune=3Dgeneric' 'LDFLAGS=3D-Wl,-z,relro ''
Important settings:
value of $LC_COLLATE: C
value of $LC_CTYPE: en_GB.UTF-8
value of $LC_MESSAGES: en_GB.UTF-8
value of $LC_MONETARY: en_GB.UTF-8
value of $LC_NUMERIC: en_GB.UTF-8
value of $LC_TIME: en_GB.UTF-8
value of $LANG: en_GB.UTF-8
locale-coding-system: utf-8-unix
Major mode: Shell
Minor modes in effect:
diff-auto-refine-mode: t
shell-dirtrack-mode: t
tooltip-mode: t
electric-indent-mode: t
mouse-wheel-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
line-number-mode: t
transient-mark-mode: t
Recent input:
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-a=20
C-@ C-e ESC w C-x b RET C-y DEL / ; RET TAB e x i t=20
SPC 1 ; ESC x p e r l SPC m o SPC RET TAB RET C-x C-s=20
ESC x s h e l l RET c DEL C-x b k w TAB - s TAB RET=20
ESC > . DEL p DEL c h m o d SPC a + x SPC h a r TAB=20
RET ~ / s v DEL DEL C-a C-k d e l t a RET ~ / i n s=20
t TAB d e l TAB b DEL d e TAB - t e s t =3D h a r DEL=20
DEL DEL . / h a r n e s s SPC - c p _ m i n i m a l=20
=3D 1 SPC 0 RET C-x C-f h a r TAB RET C-p C-p C-f C-f=20
C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f=20
C-f C-d m { C-e DEL DEL } ; C-x C-s C-x b RET ESC p=20
RET . / h C-a C-k C-x b RET C-a C-n C-k d i e SPC "=20
w r o n g SPC o p u t p DEL DEL DEL DEL o u t p DEL=20
DEL DEL DEL u t p u t SPC $ r " ; C-x C-s C-x b RET=20
ESC p RET C-x C-c C-c C-c C-c C-g C-c C-c . / h a r=20
TAB 0 RET ESC p DEL SPC 0 RET . / h a TAB TAB TAB C-a=20
C-k ESC x r e p o r t SPC e m SPC b SPC RET
Recent messages:
Saving file /home/eda/svn_working/repos/harness...
Wrote /home/eda/svn_working/repos/harness
Saving file /home/eda/svn_working/repos/harness...
Wrote /home/eda/svn_working/repos/harness
(No files need saving)
C-c C-c is undefined
C-c C-g is undefined
Quit
Making completion list...
Complete, but not unique
Load-path shadows:
None found.
Features:
(shadow sort emacsbug sendmail conf-mode python json css-mode smie
mail-extr log-view smerge-mode kmacro mule-util tabify imenu man
pcmpl-rpm sql view dired vc-git ffap thingatpt url-parse auth-source
eieio eieio-core gnus-util password-cache url-vars help-mode diff-mode
vc cus-edit wid-edit cus-start cus-load perl-mode misearch multi-isearch
vc-dispatcher vc-svn nxml-uchnm rng-xsd xsd-regexp rng-cmpct rng-nxml
rng-valid rng-loc rng-uri rng-parse nxml-parse rng-match rng-dt rng-util
rng-pttrn nxml-ns nxml-mode nxml-outln nxml-rap nxml-util nxml-glyph
nxml-enc xmltok dabbrev pcmpl-unix xterm time-date log-edit easy-mmode
message 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 pcvs-util add-log server
csharp-mode advice help-fns byte-opt bytecomp byte-compile cconv
cc-langs cc-mode cc-fonts easymenu cc-guess cc-menus cc-cmds cc-styles
cc-align cc-engine cc-vars cc-defs zoom-frm frame-cmds frame-fns cl-macs
avoid cl gv cl-loaddefs cl-lib compile shell pcomplete comint ring
ansi-color tooltip electric uniquify ediff-hook vc-hooks lisp-float-type
mwheel x-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list newcomment lisp-mode prog-mode 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 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 make-network-process dbusbind gfilenotify dynamic-setting
system-font-setting font-render-setting move-toolbar gtk x-toolkit x
multi-tty emacs)
Memory information:
((conses 16 588436 37383)
(symbols 48 29341 0)
(miscs 40 405 2391)
(strings 32 56756 5895)
(string-bytes 1 2915522)
(vectors 16 21282)
(vector-slots 8 540657 44252)
(floats 8 234 583)
(intervals 56 70434 224)
(buffers 960 59)
(heap 1024 56831 1822))
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