.emacs.d/site-lisp/db-projects.el

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;;; db-projects.el -- Simple Directory-Based Project Management -*- lexical-binding: t -*-
;;; Commentary:
;; A project is simply a directory under `db/projects-main-project-directory'
;; containing either .git or .projectile. This little collection of functions
;; helps to manage these project directories and integrate them consistently
;; with the projectile package.
;; To start, first customize `db/projects-main-project-directory' and
;; `db/projects-archive-directory' as needed. Then use
;; `db/projects-add-project' to add new projects and
;; `db/projects-archive-project' to archive them (i.e., move them to
;; `db/projects-archive-directory'). This package does not offer to remove
;; projects; this has to be done manually.
;;; Code:
(require 'subr-x)
(require 'cl-lib)
(require 'dash)
(require 'bookmark)
(require 'projectile)
(defgroup db/projects nil
"Simple directory-based project management."
:tag "Project Management"
:group 'db/projects)
(defcustom db/projects-main-project-directory "~/Documents/projects/"
"Main directory to host projects."
:group 'db/projects
:type 'directory)
(defcustom db/projects-archive-directory "~/Documents/projects/.archive/"
"Directory to archive projects into."
:group 'db/projects
:type 'directory)
(defun db/projects-project-exists-p (short-name)
"Check whether a project named SHORT-NAME already exists."
(or
(file-exists-p (expand-file-name (concat (file-name-as-directory short-name)
".git")
db/projects-main-project-directory))
(file-exists-p (expand-file-name (concat (file-name-as-directory short-name)
".projectile")
db/projects-main-project-directory))))
(defun db/projects-existing-projects ()
"Return list of all short-names of existing projects."
(cl-remove-if-not #'db/projects-project-exists-p
(directory-files db/projects-main-project-directory
nil "^[^.]")))
;;;###autoload
(defun db/projects-add-project (short-name)
"Add new project with SHORT-NAME.
The project directory will be located under
`projects-main-project-directory' within a directory named
SHORT-NAME."
(interactive "sShort Name: ")
(when (db/projects-project-exists-p short-name)
(user-error "Project %s already exists, exiting" short-name))
(when (file-exists-p (expand-file-name short-name
db/projects-archive-directory))
(user-error "Project %s already exists as archived project, exiting" short-name))
(let* ((project-directory (expand-file-name short-name
db/projects-main-project-directory))
(default-directory project-directory))
(make-directory project-directory)
(if-let ((git-executable (executable-find "git")))
(call-process git-executable nil nil nil "init")
(write-region "" nil (expand-file-name ".projectile")))
(projectile-add-known-project project-directory)))
;;;###autoload
(defun db/projects-archive-project (short-name)
"Archive existing project identified by SHORT-NAME.
This amounts to moving the project directory SHORT-NAME under
`projects-main-project-directory' to
`projects-archive-directory', deleting all bookmarks into the
project, and updating projectile's cache."
(interactive
(list (completing-read "Short Name: " (db/projects-existing-projects) nil t)))
(unless (db/projects-project-exists-p short-name)
(user-error "Project %s does not exist, exiting" short-name))
(let ((project-path (expand-file-name short-name db/projects-main-project-directory))
(archive-path (expand-file-name short-name db/projects-archive-directory)))
(when (file-exists-p archive-path)
(user-error "Archived project named %s already exists, aborting" short-name))
;; Move project directory into archive
(unless (file-exists-p db/projects-archive-directory)
(make-directory db/projects-archive-directory))
(rename-file project-path archive-path nil)
;; Update projectiles cache
(projectile-cleanup-known-projects)))
(defun db/projects--org-files ()
"Return all Org Mode files in all known projects, recursively.
Paths returned are absolute, but may not be canonical."
(mapcan #'(lambda (dir)
(directory-files-recursively (expand-file-name dir db/projects-main-project-directory)
".*\\.org" nil))
(db/projects-existing-projects)))
;; Let's keep the byte compiler happy
(defvar org-agenda-text-search-extra-files)
(defvar org-agenda-files)
(defun db/projects-find-unsearched-org-files ()
"Find Org Mode files in known projects that are not searched by default.
This is done by checking all org Mode files in every project
whether it is included in `org-agenda-text-search-extra-files' or
in `org-agenda-files'."
(require 'org)
(let ((extra-files (make-hash-table :test #'equal)))
(mapc #'(lambda (entry)
(when (stringp entry)
(puthash (file-truename entry) t extra-files)))
(append org-agenda-files org-agenda-text-search-extra-files))
(cl-remove-if #'(lambda (org-file)
(gethash (file-truename org-file) extra-files nil))
(db/projects--org-files))))
;;;###autoload
(defun db/projects-lint-projects ()
"Check all known projects for proper configuration.
This includes checking whether all bookmarks are in place and
whether `org-agenda-text-search-extra-files' is set up to search
through all included Org Mode files."
(interactive)
(with-current-buffer (get-buffer-create " *projects lint results*")
(erase-buffer)
(when-let ((unsearched-org-files (db/projects-find-unsearched-org-files)))
(insert "The following Org Mode files are not included in `org-agenda-text-search-extra-files'; you may want to add them.")
(dolist (file unsearched-org-files)
(insert "\n " file))
(insert "\n\n"))
(display-buffer (current-buffer))))
(provide 'db-projects)
;;; db-projects.el ends here