* bug#31495: 26.1; filename completion -vs- "*" @ 2018-05-18 15:33 Tom Tromey 2018-05-19 13:32 ` Tino Calancha 0 siblings, 1 reply; 12+ messages in thread From: Tom Tromey @ 2018-05-18 15:33 UTC (permalink / raw) To: 31495 I found a situation where using "*" globbing in filename completion acts strangely. Here is how to set up to see the bug: $ cd /tmp $ mkdir -p a/b/c a/d/c $ touch a/b/c/q Now in Emacs, C-x C-f /tmp/a/*/c TAB On the first TAB, a "/" is appended, and then point moves to the "/" before "c". Now type TAB again. At this point, the "/tmp/a" is greyed out and the minibuffer shows: Find file: /tmp/a//c/ ... so now only completions for "/c" are available. I think instead the "*" should be preserved. Often I'm using this feature to try to find a specific file where I don't know the exact subdirectory it is in. In GNU Emacs 26.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.22.26) of 2018-05-11 built on pokyo Repository revision: c9c0e40d673a5fc0d24d30ff67ccb7c7f2fb482a Windowing system distributor 'Fedora Project', version 11.0.11906000 System Description: Fedora release 27 (Twenty Seven) Recent messages: Mark set Saving file /home/tromey/rust-debug.org... Wrote /home/tromey/rust-debug.org Saving file /home/tromey/rust-debug.org... Wrote /home/tromey/rust-debug.org Mark saved where search started [2 times] Quit Making completion list... [2 times] Quit [3 times] Invalid module name "flycheck_TestRustNames" [invalid-name] [2 times] Configured using: 'configure --prefix=/home/tromey/Emacs/install --with-modules' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GSETTINGS NOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 MODULES THREADS LIBSYSTEMD LCMS2 Important settings: value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Python Minor modes in effect: ggtags-mode: t ggtags-navigation-mode: t erc-list-mode: t erc-menu-mode: t erc-autojoin-mode: t erc-ring-mode: t erc-pcomplete-mode: t erc-netsplit-mode: t erc-spelling-mode: t erc-truncate-mode: t diff-auto-refine-mode: t flyspell-mode: t shell-dirtrack-mode: t which-function-mode: t erc-track-mode: t erc-track-minor-mode: t erc-notify-mode: t erc-notifications-mode: t erc-match-mode: t erc-services-mode: t erc-networks-mode: t erc-hl-nicks-mode: t 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(buffers 992 263)) ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-05-18 15:33 bug#31495: 26.1; filename completion -vs- "*" Tom Tromey @ 2018-05-19 13:32 ` Tino Calancha 2018-05-19 18:17 ` Michael Albinus ` (2 more replies) 0 siblings, 3 replies; 12+ messages in thread From: Tino Calancha @ 2018-05-19 13:32 UTC (permalink / raw) To: Tom Tromey; +Cc: Michael Albinus, 31495 Tom Tromey <tom@tromey.com> writes: > I found a situation where using "*" globbing in filename completion acts > strangely. > > Here is how to set up to see the bug: > > $ cd /tmp > $ mkdir -p a/b/c a/d/c > $ touch a/b/c/q > > Now in Emacs, C-x C-f /tmp/a/*/c TAB > > On the first TAB, a "/" is appended, and then point moves to the "/" > before "c". Yeah, it's broken. In this example adding a '/' makes the completion works C-x C-f /tmp/a/*/c/ TAB > Now type TAB again. > At this point, the "/tmp/a" is greyed out and the minibuffer shows: > > Find file: /tmp/a//c/ > > ... so now only completions for "/c" are available. > > I think instead the "*" should be preserved. Often I'm using this > feature to try to find a specific file where I don't know the exact > subdirectory it is in. Since Emacs 26.1 dired supports wildcards in the directory part. You can use C-x d /tmp/a/*/c/q RET If you shell in '/bin/sh' supports globstar (and have it enabled by default) then you can do just: C-x d /tmp/**/q RET We could even let the user enable globstar in those shells supporting it but having it disable by default (e.g. bash). For instance, following patch: --8<-----------------------------cut here---------------start------------->8--- commit 1c1116e6a6ed369db63ddf00865f04f687579e71 Author: Tino Calancha <tino.calancha@gmail.com> Date: Sat May 19 21:57:42 2018 +0900 Handle globstar in dired Allow user to enable globstar when the shell support it and disable it by default (e.g. bash). * lisp/dired.el (dired-maybe-use-globstar): New user option. (dired-enable-globstar-in-shell): New variable. (dired-insert-directory): if `dired-maybe-use-globstar' is non-nil and the shell supports globstar, then enable it. * doc/emacs/dired.texi: Document feature. ; * etc/NEWS: Add entry. diff --git a/doc/emacs/dired.texi b/doc/emacs/dired.texi index fbb3030c2a..ad63c2f6a5 100644 --- a/doc/emacs/dired.texi +++ b/doc/emacs/dired.texi @@ -79,6 +79,24 @@ Dired Enter @samp{foo}. The latter lists the files with extension @samp{.el} in all the subdirectories of @samp{foo}. +When the system shell supports globstar and it's enabled, then you +can use recursive globbing: + +@example +C-x d ~/foo/**/*.el @key{RET} +@end example + +This command lists all the files with extension @samp{.el} descending +recursively in all the subdirectories of @samp{foo}. Note that there +are small differences in the implementation of globstar between shells. +Check your shell manual to know the expected behavior. + +@vindex dired-maybe-use-globstar +@vindex dired-enable-globstar-in-shell +If the shell supports globstar and disables it by default, you +can still enable this feature with @code{dired-maybe-use-globstar} if +the shell is included in @code{dired-enable-globstar-in-shell}. + The usual history and completion commands can be used in the minibuffer; in particular, @kbd{M-n} puts the name of the visited file (if any) in the minibuffer (@pxref{Minibuffer History}). diff --git a/etc/NEWS b/etc/NEWS index c7ffb17ad3..931289f0af 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -266,6 +266,12 @@ unescaping text. ** Dired +++ +*** The new user option 'dired-maybe-use-globstar' enables globstar +in shells that support this feature. The new variable +'dired-enable-globstar-in-shell' lists which shells can have enabled +globstar. + ++++ *** The new user option 'dired-create-destination-dirs' controls whether 'dired-do-copy' and 'dired-rename-file' should create non-existent directories in the destination. diff --git a/lisp/dired.el b/lisp/dired.el index 1348df6934..0adffdbd3f 100644 --- a/lisp/dired.el +++ b/lisp/dired.el @@ -77,6 +77,26 @@ dired-subdir-switches :type '(choice (const :tag "Use dired-listing-switches" nil) (string :tag "Switches"))) +(defcustom dired-maybe-use-globstar nil + "If non-nil, enable globstar if the shell support it. +Some shells enable this feature by default (e.g. zsh or fish). + +See `dired-enable-globstar-in-shell' for a list of shells +that support globstar and disable it by default. + +Note that the implementation of globstar have small differences +between shells. You must check your shell documentation to see +what to expect." + :type 'boolean + :group 'dired) + +(defconst dired-enable-globstar-in-shell + '(("ksh" . "set -G") + ("bash" . "shopt -s globstar")) + "Alist of (SHELL . COMMAND), where COMMAND enables globstar in SHELL. +If `dired-maybe-use-globstar' is non-nil, then `dired-insert-directory' +checks this alist to enable globstar in the shell subprocess.") + (defcustom dired-chown-program (purecopy (cond ((executable-find "chown") "chown") ((file-executable-p "/usr/sbin/chown") "/usr/sbin/chown") @@ -1297,6 +1317,13 @@ dired-insert-directory (executable-find explicit-shell-file-name)) (executable-find "sh"))) (switch (if remotep "-c" shell-command-switch))) + ;; Enable globstar + (when-let ((globstar dired-maybe-use-globstar) + (enable-it + (assoc-default + (file-truename sh) dired-enable-globstar-in-shell + (lambda (reg shell) (string-match reg shell))))) + (setq script (format "%s; %s" enable-it script))) (unless (zerop (process-file sh nil (current-buffer) nil switch script)) --8<-----------------------------cut here---------------end--------------->8--- In GNU Emacs 27.0.50 (build 12, x86_64-pc-linux-gnu, GTK+ Version 3.22.11) of 2018-05-17 built on calancha-pc Repository revision: 593c367b0727affc739832ab4f4bdb9d7dd1ddd7 ^ permalink raw reply related [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-05-19 13:32 ` Tino Calancha @ 2018-05-19 18:17 ` Michael Albinus 2018-05-20 2:19 ` Tino Calancha 2018-06-20 12:36 ` Noam Postavsky 2020-08-22 15:40 ` Lars Ingebrigtsen 2 siblings, 1 reply; 12+ messages in thread From: Michael Albinus @ 2018-05-19 18:17 UTC (permalink / raw) To: Tino Calancha; +Cc: Tom Tromey, 31495 Tino Calancha <tino.calancha@gmail.com> writes: Hi Tino, > We could even let the user enable globstar in those shells supporting > it but having it disable by default (e.g. bash). What about ls-lisp? > +(defconst dired-enable-globstar-in-shell > + '(("ksh" . "set -G") > + ("bash" . "shopt -s globstar")) > + "Alist of (SHELL . COMMAND), where COMMAND enables globstar in SHELL. > +If `dired-maybe-use-globstar' is non-nil, then `dired-insert-directory' > +checks this alist to enable globstar in the shell subprocess.") This works only if the shell name like bash or ksh is used. Often, just /bin/sh is used, and you don't know which real shell this file is linked to. Best regards, Michael. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-05-19 18:17 ` Michael Albinus @ 2018-05-20 2:19 ` Tino Calancha 0 siblings, 0 replies; 12+ messages in thread From: Tino Calancha @ 2018-05-20 2:19 UTC (permalink / raw) To: Michael Albinus; +Cc: Tom Tromey, 31495 Michael Albinus <michael.albinus@gmx.de> writes: > Tino Calancha <tino.calancha@gmail.com> writes: > > Hi Tino, > >> We could even let the user enable globstar in those shells supporting >> it but having it disable by default (e.g. bash). > > What about ls-lisp? It would be great to have there but it's out of the scope of the patch yet. This is not about add a new dired feature. Instead, the target is to turn on a feature from your shell that is disabled by default. If you use em-ls you have this feature. Same as if you use external program `ls' from zsh or fish shells. The idea is to let users if they want to enable globstar in their shell when its disabled by default. >> +(defconst dired-enable-globstar-in-shell >> + '(("ksh" . "set -G") >> + ("bash" . "shopt -s globstar")) >> + "Alist of (SHELL . COMMAND), where COMMAND enables globstar in SHELL. >> +If `dired-maybe-use-globstar' is non-nil, then `dired-insert-directory' >> +checks this alist to enable globstar in the shell subprocess.") > > This works only if the shell name like bash or ksh is used. Often, just > /bin/sh is used, and you don't know which real shell this file is linked to. My patch use `file-truename' to get the actual shell used by `dired-insert-directory'. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-05-19 13:32 ` Tino Calancha 2018-05-19 18:17 ` Michael Albinus @ 2018-06-20 12:36 ` Noam Postavsky 2018-06-20 12:48 ` Tino Calancha 2020-08-22 15:40 ` Lars Ingebrigtsen 2 siblings, 1 reply; 12+ messages in thread From: Noam Postavsky @ 2018-06-20 12:36 UTC (permalink / raw) To: Tino Calancha; +Cc: Tom Tromey, Michael Albinus, 31495 severity 31495 minor quit Tino Calancha <tino.calancha@gmail.com> writes: > Tom Tromey <tom@tromey.com> writes: > >> Now in Emacs, C-x C-f /tmp/a/*/c TAB >> >> On the first TAB, a "/" is appended, and then point moves to the "/" >> before "c". > Yeah, it's broken. > In this example adding a '/' makes the completion works > C-x C-f /tmp/a/*/c/ TAB Hmm, that makes it seem like the different behaviour without the trailing slash is on purpose (though I can't see what that would be). > +(defconst dired-enable-globstar-in-shell > + '(("ksh" . "set -G") > + ("bash" . "shopt -s globstar")) > + "Alist of (SHELL . COMMAND), where COMMAND enables globstar in SHELL. > +If `dired-maybe-use-globstar' is non-nil, then `dired-insert-directory' > +checks this alist to enable globstar in the shell subprocess.") Shouldn't this be a defvar or a defcustom? Using defconst makes it seem like the code wouldn't handle it being changed. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-06-20 12:36 ` Noam Postavsky @ 2018-06-20 12:48 ` Tino Calancha 2018-06-20 13:08 ` Tino Calancha 0 siblings, 1 reply; 12+ messages in thread From: Tino Calancha @ 2018-06-20 12:48 UTC (permalink / raw) To: Noam Postavsky; +Cc: Tom Tromey, Michael Albinus, 31495, Tino Calancha >> +(defconst dired-enable-globstar-in-shell >> + '(("ksh" . "set -G") >> + ("bash" . "shopt -s globstar")) >> + "Alist of (SHELL . COMMAND), where COMMAND enables globstar in SHELL. >> +If `dired-maybe-use-globstar' is non-nil, then `dired-insert-directory' >> +checks this alist to enable globstar in the shell subprocess.") > > Shouldn't this be a defvar or a defcustom? Using defconst makes it seem > like the code wouldn't handle it being changed. To indicate what shells Emacs is supporting for this feature. Of course it might be a defvar, and users might change that adding other shells; but then, those shells might not been heavily tested by Emacs developers, and other features can break. I just wanted to be conservative. I think that is a cheap and useful addition. I like it. I set '/bin/sh' to '/bin/zsh' mainly to have globstar in dired; often, I find that I reset it to 'bash' and globstar stop working with Dired :-( ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-06-20 12:48 ` Tino Calancha @ 2018-06-20 13:08 ` Tino Calancha 2018-06-20 14:05 ` Michael Albinus 0 siblings, 1 reply; 12+ messages in thread From: Tino Calancha @ 2018-06-20 13:08 UTC (permalink / raw) To: Tino Calancha; +Cc: Tom Tromey, Michael Albinus, Noam Postavsky, 31495 > I set '/bin/sh' to '/bin/zsh' mainly to have globstar in dired; often, > I find that I reset it to 'bash' and globstar stop working with Dired :-( You might be wondering why I reset back '/bin/sh' to '/bin/bash'. The reason is that `shell-prompt-pattern' doesn't recognize my zsh prompt; that means, if I want to visit dired as root: emacs -Q C-x d /sudo::/bin ;; this command won't end if I am using zsh. ;; It works OK with other shells (dash, bash, etc). I can modify `shell-prompt-pattern' myself but if I use emacs -Q still I cannot use dired as root in that case, which it's handy. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-06-20 13:08 ` Tino Calancha @ 2018-06-20 14:05 ` Michael Albinus 2018-06-21 1:50 ` Tino Calancha 0 siblings, 1 reply; 12+ messages in thread From: Michael Albinus @ 2018-06-20 14:05 UTC (permalink / raw) To: Tino Calancha; +Cc: Tom Tromey, Noam Postavsky, 31495 Tino Calancha <tino.calancha@gmail.com> writes: > C-x d /sudo::/bin > ;; this command won't end if I am using zsh. > ;; It works OK with other shells (dash, bash, etc). Problems of cooperation between Tramp and zsh are discussed in the Tramp manual. Best regards, Michael. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-06-20 14:05 ` Michael Albinus @ 2018-06-21 1:50 ` Tino Calancha 2018-06-21 7:19 ` Michael Albinus 0 siblings, 1 reply; 12+ messages in thread From: Tino Calancha @ 2018-06-21 1:50 UTC (permalink / raw) To: Michael Albinus; +Cc: Tom Tromey, Noam Postavsky, 31495 Michael Albinus <michael.albinus@gmx.de> writes: > Tino Calancha <tino.calancha@gmail.com> writes: > >> C-x d /sudo::/bin >> ;; this command won't end if I am using zsh. >> ;; It works OK with other shells (dash, bash, etc). > > Problems of cooperation between Tramp and zsh are discussed in the Tramp > manual. Thank you, I find-grep 'zsh' in doc, and I found from tramp manual just this: When using zsh on remote hosts, disable zsh line editor because zsh uses left-hand side and right-hand side prompts in parallel. Add the following line to @file{~/.zshrc}: @example [[ $TERM == "dumb" ]] && unsetopt zle && PS1='$ ' && return @end example Then, I add such line in ~/.zsh and /root/.zsh sudo ln -sf /bin/zsh /bin/sh emacs -Q C-x d /sudo::/bin ;; I don't get prompt for root password ln -sf /bin/bash /bin/sh C-x d /sudo::/bin ;; OK, but I lost globstar sniff, sniff :-( ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-06-21 1:50 ` Tino Calancha @ 2018-06-21 7:19 ` Michael Albinus 2018-06-21 7:44 ` Tino Calancha 0 siblings, 1 reply; 12+ messages in thread From: Michael Albinus @ 2018-06-21 7:19 UTC (permalink / raw) To: Tino Calancha; +Cc: Tom Tromey, Noam Postavsky, 31495 Tino Calancha <tino.calancha@gmail.com> writes: Hi Tino, this discussion is going offtopic. Maybe you write a bug report? > I find-grep 'zsh' in doc, and I found from tramp manual just this: > When using zsh on remote hosts, disable zsh line editor because zsh > uses left-hand side and right-hand side prompts in parallel. Add the > following line to @file{~/.zshrc}: > > @example > [[ $TERM == "dumb" ]] && unsetopt zle && PS1='$ ' && return > @end example > > Then, I add such line in > ~/.zsh > and > /root/.zsh > sudo ln -sf /bin/zsh /bin/sh > emacs -Q > C-x d /sudo::/bin > ;; I don't get prompt for root password Please eval (setq tramp-verbose 10) prior opening your remote directory. There will be a Tramp debug buffer; pls show it. Out of curiosity, why do you edit ~/.zsh and /root/.zsh? The manual speaks about ~/.zshrc (I'm not an zsh user, so I don't know what I'm speaking about). Best regards, Michael. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-06-21 7:19 ` Michael Albinus @ 2018-06-21 7:44 ` Tino Calancha 0 siblings, 0 replies; 12+ messages in thread From: Tino Calancha @ 2018-06-21 7:44 UTC (permalink / raw) To: Michael Albinus; +Cc: Tom Tromey, Tino Calancha, 31495, Noam Postavsky On Thu, 21 Jun 2018, Michael Albinus wrote: > this discussion is going offtopic. Maybe you write a bug report? You are right. Sorry for that. >> I find-grep 'zsh' in doc, and I found from tramp manual just this: >> When using zsh on remote hosts, disable zsh line editor because zsh >> uses left-hand side and right-hand side prompts in parallel. Add the >> following line to @file{~/.zshrc}: >> >> @example >> [[ $TERM == "dumb" ]] && unsetopt zle && PS1='$ ' && return >> @end example >> >> Then, I add such line in >> ~/.zsh >> and >> /root/.zsh >> sudo ln -sf /bin/zsh /bin/sh >> emacs -Q >> C-x d /sudo::/bin >> ;; I don't get prompt for root password > > Please eval (setq tramp-verbose 10) prior opening your remote > directory. There will be a Tramp debug buffer; pls show it. This must go in the new bug report whenever it exists. > Out of curiosity, why do you edit ~/.zsh and /root/.zsh? The manual > speaks about ~/.zshrc (I'm not an zsh user, so I don't know what I'm > speaking about). Good catch! My typo in the email. I actually created: ~/.zshrc /root/.zshrc > Best regards, Michael My best regards too, Tino ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#31495: 26.1; filename completion -vs- "*" 2018-05-19 13:32 ` Tino Calancha 2018-05-19 18:17 ` Michael Albinus 2018-06-20 12:36 ` Noam Postavsky @ 2020-08-22 15:40 ` Lars Ingebrigtsen 2 siblings, 0 replies; 12+ messages in thread From: Lars Ingebrigtsen @ 2020-08-22 15:40 UTC (permalink / raw) To: Tino Calancha; +Cc: Tom Tromey, Michael Albinus, 31495 Tino Calancha <tino.calancha@gmail.com> writes: > We could even let the user enable globstar in those shells supporting > it but having it disable by default (e.g. bash). > For instance, following patch: > > commit 1c1116e6a6ed369db63ddf00865f04f687579e71 > Author: Tino Calancha <tino.calancha@gmail.com> > Date: Sat May 19 21:57:42 2018 +0900 > > Handle globstar in dired > > Allow user to enable globstar when the shell support > it and disable it by default (e.g. bash). > * lisp/dired.el (dired-maybe-use-globstar): New user option. > (dired-enable-globstar-in-shell): New variable. > (dired-insert-directory): if `dired-maybe-use-globstar' is > non-nil and the shell supports globstar, then enable it. > > * doc/emacs/dired.texi: Document feature. > ; * etc/NEWS: Add entry. Makes sense to me, so I've applied it to Emacs 28. Only very lightly tested, though. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no ^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2020-08-22 15:40 UTC | newest] Thread overview: 12+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2018-05-18 15:33 bug#31495: 26.1; filename completion -vs- "*" Tom Tromey 2018-05-19 13:32 ` Tino Calancha 2018-05-19 18:17 ` Michael Albinus 2018-05-20 2:19 ` Tino Calancha 2018-06-20 12:36 ` Noam Postavsky 2018-06-20 12:48 ` Tino Calancha 2018-06-20 13:08 ` Tino Calancha 2018-06-20 14:05 ` Michael Albinus 2018-06-21 1:50 ` Tino Calancha 2018-06-21 7:19 ` Michael Albinus 2018-06-21 7:44 ` Tino Calancha 2020-08-22 15:40 ` Lars Ingebrigtsen
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