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master 526971df64: Add new user option project-vc-include-untracked


From: Dmitry Gutov
Subject: master 526971df64: Add new user option project-vc-include-untracked
Date: Fri, 3 Jun 2022 20:31:30 -0400 (EDT)

branch: master
commit 526971df64bfca3c78f4c2e635b27cadec02b2b9
Author: Jan Synáček <jan.synacek@gmail.com>
Commit: Dmitry Gutov <dgutov@yandex.ru>

    Add new user option project-vc-include-untracked
    
    * doc/emacs/maintaining.texi (Projects): Document it.
    * lisp/progmodes/project.el (project--vc-list-files): Use it.
---
 doc/emacs/maintaining.texi |  3 +++
 etc/NEWS                   |  5 +++++
 lisp/progmodes/project.el  | 16 +++++++++++-----
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/doc/emacs/maintaining.texi b/doc/emacs/maintaining.texi
index 3ddea0ae58..edc5acbd65 100644
--- a/doc/emacs/maintaining.texi
+++ b/doc/emacs/maintaining.texi
@@ -1666,6 +1666,9 @@ support additional types of projects.
   Which files do or don't belong to a project is also determined by
 the project back-end.  For example, the VC back-end doesn't consider
 ``ignored'' files (@pxref{VC Ignore}) to be part of the project.
+Also, the VC Project back-end considers ``untracked'' files by default.
+That behavior is controllable with the variable
+@code{project-vc-include-untracked}.
 
 @menu
 * Project File Commands::   Commands for handling project files.
diff --git a/etc/NEWS b/etc/NEWS
index 54bc6d80e1..d140bb0960 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1717,6 +1717,11 @@ Enabling this minor mode turns on hiding header 
material, like
 'elide-head' does; disabling it shows the header.  The commands
 'elide-head' and 'elide-head-show' are now obsolete.
 
++++
+*** New user option 'project-vc-include-untracked'.
+If non-nil, files untracked by a VCS are considered to be part of
+the project by a VC project based on that VCS.
+
 ---
 ** The autoarg.el library is now marked obsolete.
 This library provides the 'autoarg-mode' and 'autoarg-kp-mode' minor
diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index 6e0874bfc3..60fbb302f7 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -382,6 +382,11 @@ you might have to restart Emacs to see the effect."
   :package-version '(project . "0.2.0")
   :safe #'booleanp)
 
+(defcustom project-vc-include-untracked t
+  "When non-nil, the VC project backend includes untracked files."
+  :type 'boolean
+  :safe #'booleanp)
+
 ;; FIXME: Using the current approach, major modes are supposed to set
 ;; this variable to a buffer-local value.  So we don't have access to
 ;; the "external roots" of language A from buffers of language B, which
@@ -512,8 +517,9 @@ backend implementation of `project-external-roots'.")
            (args '("-z"))
            (vc-git-use-literal-pathspecs nil)
            files)
-       ;; Include unregistered.
-       (setq args (append args '("-c" "-o" "--exclude-standard")))
+       (setq args (append args
+                          '("-c" "--exclude-standard")
+                          (when project-vc-include-untracked '("-o"))))
        (when extra-ignores
          (setq args (append args
                             (cons "--"
@@ -565,9 +571,9 @@ backend implementation of `project-external-roots'.")
        (delete-consecutive-dups files)))
     (`Hg
      (let ((default-directory (expand-file-name (file-name-as-directory dir)))
-           args)
-       ;; Include unregistered.
-       (setq args (nconc args '("-mcardu" "--no-status" "-0")))
+           (args (list (concat "-mcard" (when project-vc-include-untracked 
"u"))
+                       "--no-status"
+                       "-0")))
        (when extra-ignores
          (setq args (nconc args
                            (mapcan



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