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;;; my-project.el -- Project related extensions for emacs core -*- lexical-binding: t -*-
;; Copyright (C) 2023 Free Software Foundation.
;; Author: Yuchen Pei <id@ypei.org>
;; Package-Requires: ((emacs "28.2"))
;; This file is part of dotfiles.
;; dotfiles is free software: you can redistribute it and/or modify it under
;; the terms of the GNU Affero General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; dotfiles is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
;; Public License for more details.
;; You should have received a copy of the GNU Affero General Public
;; License along with dotfiles. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Project related extensions for emacs core.
;;; Code:
(defvar my-projects-root-dirs nil
"List of directories to look for projects. Each element in the form
of (tag . path). One of the tags should be \"3p\" which is a default
target for cloning a project")
(defun my-get-list-of-projects ()
(flatten-list
(mapcar (lambda (pair)
(mapcar
(lambda (dir-name) (format "%s(%s)" dir-name (car pair)))
(directory-files
(cdr pair) nil directory-files-no-dot-files-regexp)))
my-projects-root-dirs)))
(defun my-project-guess-project-name ()
(file-name-nondirectory (directory-file-name
(project-root (project-current)))))
(defun my-project-try-find-from-build-dir (dir)
"Try to find project from the build dir.
To use as an item in `project-find-functions'.
TODO: check whether we could use
`project-vc-external-roots-function' instead."
(when (string-match-p "/build\\>.*" dir)
(project-current nil (replace-regexp-in-string "/build\\>.*" "/src" dir))))
(defvar my-licenses nil
"List of licenses in the form of (licence-id . license-text-file)")
(defun my-project-copy-license-file-to-project (license)
(interactive (list (completing-read "License to copy to project root: "
(mapcar 'car my-licenses))))
(let ((from (alist-get (intern license) my-licenses))
(to (concat (project-root (project-current))
"COPYING." license)))
(copy-file from to)
(message "Copied license of %s to %s" license to)))
(defun my-project-remember-all-projects ()
"Remember all projects under `my-projects-root-dirs'."
(pcase-dolist (`(_ . ,dir) my-projects-root-dirs)
(project-remember-projects-under dir)))
;; Override project-remember-projects-under The original function is
;; buggy: it does not look for projects in surdirs unless recursive.
(defun my-project-remember-projects-under (dir &optional recursive)
"Index all projects below a directory DIR.
If RECURSIVE is non-nil, recurse into all subdirectories to find
more projects. After finishing, a message is printed summarizing
the progress. The function returns the number of detected
projects."
(interactive "DDirectory: \nP")
(project--ensure-read-project-list)
(let ((queue (directory-files
dir
t
directory-files-no-dot-files-regexp))
(count 0)
(known (make-hash-table
:size (* 2 (length project--list))
:test #'equal )))
(dolist (project (mapcar #'car project--list))
(puthash project t known))
(while queue
(when-let ((subdir (pop queue))
((file-directory-p subdir)))
(when-let ((project (project--find-in-directory subdir))
(project-root (project-root project))
((not (gethash project-root known))))
(project-remember-project project t)
(puthash project-root t known)
(message "Found %s..." project-root)
(setq count (1+ count)))
(when (and recursive (file-directory-p subdir))
(setq queue
(nconc
(directory-files
subdir t directory-files-no-dot-files-regexp t)
queue)))))
(unless (eq recursive 'in-progress)
(if (zerop count)
(message "No projects were found")
(project--write-project-list)
(message "%d project%s were found"
count (if (= count 1) "" "s"))))
count))
;; FIXME: do we really need this or does the project package already
;; do so?
(defun my-project-read-project ()
(let ((key-val
(completing-read "Choose projects: "
(my-get-list-of-projects) nil t)))
(string-match "^\\(.*\\)(\\(.*\\))$" key-val)
(cons (match-string 2 key-val) (match-string 1 key-val))))
(defun my-project-get-project-directory (pair)
(concat
(alist-get (car pair) my-projects-root-dirs nil nil 'string=)
"/" (cdr pair)))
(defun my-project-read-project-root ()
(my-project-get-project-directory (my-project-read-project)))
(defun my-project-shell-at (arg)
(interactive "P")
(if arg (project-shell)
(my-shell-with-directory (my-project-read-project-root))))
(defun my-project-dired-at (arg)
(interactive "P")
(if arg (project-dired)
(dired (my-project-read-project-root))))
(defun my-project-rgrep-at (arg)
(interactive "P")
(if arg (project-query-replace-regexp)
(my-rgrep-at-directory (my-project-read-project-root))))
(defun my-project-org-set-local-source ()
(interactive)
(org-set-property "Local-source" (my-project-read-project-root)))
(defun my-project-code-stats ()
(interactive)
(switch-to-buffer-other-window (get-buffer-create "*cloc*"))
(erase-buffer)
(my-with-default-directory (my-project-read-project-root)
(message default-directory)
(insert default-directory "\n")
(call-process "cloc" nil "*cloc*" nil "HEAD" "--quiet")))
(provide 'my-project)
;;; my-project.el ends here
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