From: Joseph Turner via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: 66224@debbugs.gnu.org
Subject: bug#66224: [PATCH] Add optional PREDICATE argument to read-directory-name
Date: Tue, 26 Sep 2023 18:16:40 -0700 [thread overview]
Message-ID: <877coch0q7.fsf@breatheoutbreathe.in> (raw)
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Hello!
This patch makes read-directory-name accept an optional PREDICATE arg
so it can be used like read-file-name.
Joseph
[-- Attachment #2: 0001-Add-optional-PREDICATE-argument-to-read-directory-na.patch --]
[-- Type: text/x-diff, Size: 3826 bytes --]
From 78ba02683bd163d8991b182ec4e8ec370e734f95 Mon Sep 17 00:00:00 2001
From: Joseph Turner <joseph@breatheoutbreathe.in>
Date: Tue, 26 Sep 2023 18:14:23 -0700
Subject: [PATCH] Add optional PREDICATE argument to read-directory-name
* lisp/files.el (read-directory-name): Add optional PREDICATE arg.
* doc/lispref/minibuf.texi (Reading File Names): Document change.
* etc/NEWS: Note change.
---
doc/lispref/minibuf.texi | 6 ++++--
etc/NEWS | 4 ++++
lisp/files.el | 8 +++++---
3 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/doc/lispref/minibuf.texi b/doc/lispref/minibuf.texi
index 620c58ec6e9..c3528ea74d2 100644
--- a/doc/lispref/minibuf.texi
+++ b/doc/lispref/minibuf.texi
@@ -1709,7 +1709,7 @@ If this variable is non-@code{nil}, @code{read-file-name} ignores case
when performing completion.
@end defopt
-@defun read-directory-name prompt &optional directory default require-match initial
+@defun read-directory-name prompt &optional directory default require-match initial predicate
This function is like @code{read-file-name} but allows only directory
names as completion alternatives.
@@ -1719,7 +1719,9 @@ combining @var{directory} (or the current buffer's default directory
if @var{directory} is @code{nil}) and @var{initial}. If both
@var{default} and @var{initial} are @code{nil}, this function uses
@var{directory} as substitute default, or the current buffer's default
-directory if @var{directory} is @code{nil}.
+directory if @var{directory} is @code{nil}. The union of sixth arg
+@code{predicate} and @code{file-directory-p} is passed as the
+@code{predicate} argument to ‘read-file-name’.
@end defun
@defopt insert-default-directory
diff --git a/etc/NEWS b/etc/NEWS
index 1b3532b5657..ee0143b1958 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -3541,6 +3541,10 @@ This function is called to see whether what the user has typed is a
match. This is also available from functions that call
'completing-read', like 'read-file-name'.
+** 'read-directory-name' now accepts an optional PREDICATE argument.
+The union of sixth arg PREDICATE and 'file-directory-p' is passed
+as the PREDICATE argument to 'read-file-name'.
+
** 'posn-col-row' can now give position data based on windows.
Previously, it reported data only based on the frame.
diff --git a/lisp/files.el b/lisp/files.el
index b72f141c0ee..e78e8ea0a36 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -807,7 +807,7 @@ See Info node `(elisp)Standard File Names' for more details."
(dos-convert-standard-filename filename))
(t filename)))
-(defun read-directory-name (prompt &optional dir default-dirname mustmatch initial)
+(defun read-directory-name (prompt &optional dir default-dirname mustmatch initial predicate)
"Read directory name, prompting with PROMPT and completing in directory DIR.
Value is not expanded---you must call `expand-file-name' yourself.
Default name to DEFAULT-DIRNAME if user exits with the same
@@ -821,14 +821,16 @@ Fourth arg MUSTMATCH non-nil means require existing directory's name.
Non-nil and non-t means also require confirmation after completion.
Fifth arg INITIAL specifies text to start with.
DIR should be an absolute directory name. It defaults to
-the value of `default-directory'."
+the value of `default-directory'.
+The union of sixth arg PREDICATE and `file-directory-p' is passed
+as the PREDICATE argument to `read-file-name'."
(unless dir
(setq dir default-directory))
(read-file-name prompt dir (or default-dirname
(if initial (expand-file-name initial dir)
dir))
mustmatch initial
- 'file-directory-p))
+ (and #'file-directory-p predicate)))
\f
(defun pwd (&optional insert)
--
2.41.0
next reply other threads:[~2023-09-27 1:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-27 1:16 Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2023-09-28 9:05 ` bug#66224: [PATCH] Add optional PREDICATE argument to read-directory-name Philip Kaludercic
2023-09-29 3:28 ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-29 3:28 ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-29 3:54 ` Michael Heerdegen
2023-09-29 4:19 ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-10-03 3:30 ` Michael Heerdegen
2023-10-03 23:20 ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-10-05 1:23 ` Michael Heerdegen
2023-10-05 1:34 ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-11-12 20:42 ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-01-13 10:53 ` Stefan Kangas
2024-01-13 19:26 ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-29 12:05 ` Eli Zaretskii
2023-10-03 23:08 ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
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