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emir-utils.el
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;;; emir-utils.el --- Non-essential utilities -*- lexical-binding:t -*-
;; Copyright (C) 2016-2025 Jonas Bernoulli
;; Author: Jonas Bernoulli <[email protected]>
;; Homepage: https://github.com/emacscollective/emir
;; Keywords: local
;; SPDX-License-Identifier: GPL-3.0-or-later
;; This file is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published
;; by the Free Software Foundation, either version 3 of the License,
;; or (at your option) any later version.
;;
;; This file 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 General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this file. If not, see <https://www.gnu.org/licenses/>.
;;; Code:
(require 'emir)
(unless (boundp 'eieio--unbound) ; New name since Emacs 28.1.
(defvaralias 'eieio--unbound 'eieio-unbound nil))
;;;###autoload
(defun emir-report ()
"Open the main maintenance report file."
(interactive)
(find-file-other-frame
(expand-file-name "compare.org" emir-stats-repository)))
(defun emir-remove-obsolete-wiki-branches ()
"Remove branches corresponding to shelved and removed packages."
(interactive)
(with-emir-repository 'epkg-wiki-package
(dolist (branch (magit-list-local-branch-names))
(let ((pkg (epkg branch)))
(when (and (not (equal branch "master"))
(or (not pkg)
(cl-typep pkg 'epkg-shelved-package)))
(message "Removing %s..." branch)
(magit-call-git "branch" "-D" branch)
(message "Removing %s...done" branch))))))
(defun emir-keep-wiki-package-p (pkg)
(with-slots (name url downloads authors maintainers) pkg
(with-epkg-repository pkg
(let ((date (string-to-number
(magit-rev-format "%cd" "HEAD" (list "--date=format:%Y"))))
(dependants (mapcar #'car (epkg-reverse-dependencies pkg))))
(or (> date 2015)
(assoc "Drew Adams" authors)
(assoc "Drew Adams" maintainers)
(seq-some (lambda (dep)
(let ((p (epkg dep)))
(if (epkg-wiki-package-p p)
(emir-keep-wiki-package-p p)
(not (epkg-shelved-package-p p)))))
dependants))))))
(defun epkg--package-type (pkg)
"Return the class name abbreviation for PKG."
(intern (substring (symbol-name (eieio-object-class-name pkg)) 5 -8)))
(defun emir--list-tables (db)
"Return a list of all tables in DB."
(emacsql db [:select name :from sqlite_master
:where (= type table)
:order-by [(asc name)]]))
(defun emir--table-schemata (db)
"Return the schemata of all tables in DB."
(let ((str (emacsql-compile
db [:select * :from sqlite_master
:where (= type table)])))
(emacsql-clear db)
(emacsql-send-message db str)
(emacsql-wait db)
(with-current-buffer (emacsql-buffer db)
(goto-char (point-min))
(let* ((alist '(("\"" . " ")
("'" . "\"")
("," . " | ")
("DEFAULT" . ":default")
("PRIMARY KEY" . ":primary-key")
("FOREIGN KEY" . ":foreign-key")
("ON DELETE" . ":on-delete")
("CASCADE" . ":cascade")
("REFERENCES" . ":references")
("NOT NULL" . ":not-null")
("SET NULL" . ":set-null")
("NULL" . ":null")))
(regex (concat "\\(" (mapconcat #'car alist "\\|") "\\)"))
(case-fold-search nil))
(save-excursion
(while (re-search-forward regex nil t)
(let ((key (match-string 0)))
(replace-match (cdr (assoc (match-string 0) alist)) t t)
(when (and (member key '("PRIMARY KEY" "FOREIGN KEY"))
(looking-at " ([^)]+)"))
(replace-match
(save-match-data
(format " [%s]"
(string-replace
"," " " (substring (match-string 0) 2 -1))))
nil t))))))
(mapcar (lambda (tbl)
(list (cadr tbl)
(let* ((seq (car (nthcdr 7 tbl)))
(pos (seq-position seq '| #'eq)))
(vector (seq-take seq pos)
(seq-drop seq pos)))))
(read (current-buffer))))))
(defun emir--set-db-version (db version)
(closql--db-set-version db version)
(emir-commit (format "Bump database version to %s" version) nil :dump))
(defun emir--recreate-db ()
(error "BUG emir--recreate-db has to be updated")
(require 'epkg-schemata)
(when-let ((db (epkg-db t)))
(emacsql-close db))
(message "Recreating Epkg database...")
(let* ((old-file (expand-file-name "epkg.sqlite" epkg-repository))
(new-file (expand-file-name "new.sqlite" epkg-repository))
;; FIXME No longer possible to open two instances like this.
(old (closql-db 'epkg-database nil old-file))
(new (closql-db 'epkg-database nil new-file)))
(closql--db-set-version new (oref-default 'epkg-database version))
(emacsql-with-transaction new
(dolist (obj (closql-entries old))
(let ((name (oref obj name)))
(message "Re-inserting %s..." name)
(closql--resolve-slots obj)
(slot-makeunbound obj 'gnu-elpa-recipes)
(slot-makeunbound obj 'melpa-recipes)
(closql-insert new obj)
(message "Re-inserting %s...done" name))))
(emacsql-close old)
(emacsql-close new)
(rename-file new-file old-file t)
(epkg-db)
(emir-import-gnu-elpa-recipes '("--fetch" "--all"))
(emir-import-nongnu-elpa-recipes '("--fetch" "--all"))
(emir-import-melpa-recipes '("--fetch" "--all")))
(message "Recreating Epkg database...done"))
(defun emir-enable-sql-logging ()
"Enable logging Epkg SQL queries."
(interactive)
(let ((conn (oref (epkg-db) connection)))
(emacsql-enable-debugging conn)
(switch-to-buffer-other-window (oref conn log-buffer))))
;;; _
(provide 'emir-utils)
;;; emir-utils.el ends here