Re: New feature in project.el: Remembering the previously used projects

[Dmitry Gutov]

On 29.05.2020 18:54, Simen Heggestøyl wrote:
> > On 29.05.2020 02:05, Basil L. Contovounesios wrote:
> >
> > > Can the project-list file name please be customisable?
> > Of course. Just an omission.
> Yup.

Simen what do you say?

diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index 2d0b6c4a21..70ee8d11ed 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -93,6 +93,10 @@
 (require 'cl-generic)
 (eval-when-compile (require 'subr-x))

+(defgroup project nil
+  "Operations on the current project."
+  :group 'tools)
+
 (defvar project-find-functions (list #'project-try-vc)
   "Special hook to find the project containing a given directory.
 Each functions on this hook is called in turn with one
@@ -249,6 +253,7 @@ project-vc-merge-submodules
 After changing this variable (using Customize or .dir-locals.el)
 you might have to restart Emacs to see the effect."
   :type 'boolean
+  :version "28.1"
   :package-version '(project . "0.2.0")
   :safe 'booleanp)

@@ -601,6 +606,7 @@ project-read-file-name-function
                  (const :tag "Read with completion from absolute names"
                         project--read-file-absolute)
                  (function :tag "Custom function" nil))
+  :group 'project
   :version "27.1")

 (defun project--read-file-cpd-relative (prompt
@@ -716,6 +722,11 @@ project-compile
 
 ;;; Project list

+(defcustom project-list-file (locate-user-emacs-file "project-list")
+  "File to save the list of known projects list."
+  :type 'string
+  :group 'project)
+
 (defvar project--list 'unset
   "List of known project directories.")

@@ -727,7 +738,7 @@ project--ensure-file-exists

 (defun project--read-project-list ()
   "Initialize `project--list' from the project list file."
-  (let ((filename (locate-user-emacs-file "project-list")))
+  (let ((filename project-list-file))
     (project--ensure-file-exists filename)
     (with-temp-buffer
       (insert-file-contents filename)
@@ -746,7 +757,7 @@ project--ensure-read-project-list

 (defun project--write-project-list ()
   "Persist `project--list' to the project list file."
-  (let ((filename (locate-user-emacs-file "project-list")))
+  (let ((filename project-list-file))
     (with-temp-buffer
       (insert (string-join project--list "\n"))
       (write-region nil nil filename nil 'silent))))