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pjb-asdf.el
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pjb-asdf.el
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;;;; -*- mode:emacs-lisp;coding:utf-8 -*-
;;;;**************************************************************************
;;;;FILE: pjb-asdf.el
;;;;LANGUAGE: emacs lisp
;;;;SYSTEM: POSIX
;;;;USER-INTERFACE: NONE
;;;;DESCRIPTION
;;;;
;;;; ASDF utilities.
;;;;
;;;;AUTHORS
;;;; <PJB> Pascal Bourguignon <pbourguignon@dxo.com>
;;;;MODIFICATIONS
;;;; 2023-08-03 <PJB> Created.
;;;;BUGS
;;;;LEGAL
;;;; AGPL3
;;;;
;;;; Copyright Pascal Bourguignon 2023 - 2023
;;;;
;;;; This program 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.
;;;;
;;;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;;;**************************************************************************
(require 'cl)
(defun goto-asdf-form ()
(interactive)
(goto-char (point-min))
(when (re-search-forward "^(\\(defsystem\\|asdf:defsystem\\) ")
(goto-char (match-beginning 0))))
(defun goto-asdf-version ()
(interactive)
(goto-asdf-form)
(forward-char)
(forward-sexp) (backward-sexp)
(while (not (looking-at ":version"))
(forward-sexp) (forward-sexp) (backward-sexp))
(forward-sexp) (forward-sexp) (backward-sexp))
(defun next-date-version (version)
"version is a list of 3 or 4 integers,
representing (YEAR MONTH DAY [INCREMENT]
If it's the current date, then the increment is added or augmented,
otherwise the current date is returned."
(let* ((date (nreverse (subseq (decode-time (current-time)) 3 6)))
(m (mismatch date version)))
(cond
((null m) ; same date, add a new increment
(nconc (subseq date 0 3) (list 1)))
((eql m 3) ; same date, increment
(nconc (subseq date 0 3) (list (+ (fourth version) 1))))
(t ; different date, reset it
date))))
(assert (equal (list (next-date-version '(2012 12 31 0))
(next-date-version '(2012 12 31 12))
(next-date-version '(2012 12 31))
(next-date-version '(2023 8 3))
(next-date-version '(2023 8 3 12)))
'((2023 8 3)
(2023 8 3)
(2023 8 3)
(2023 8 3 1)
(2023 8 3 13))))
(defun next-usual-version (version)
"version is a list of 1 or more integers,
we just increment the last one."
(nconc (subseq version 0 (1- (length version)))
(list (1+ (car (last version))))))
(assert (equal (list (next-usual-version '(1))
(next-usual-version '(1 2))
(next-usual-version '(1 2 3))
(next-usual-version '(1 2 3 4)))
'((2) (1 3) (1 2 4) (1 2 3 5))))
(defun bump-asdf-version ()
(interactive)
(goto-asdf-version)
(unless (looking-at "\"\\(\\([0-9]+\\.\\)*[0-9]+\\)\"")
(error "Not a valid ASDF version"))
(let* ((start (match-beginning 1))
(end (match-end 1))
(version (mapcar (lambda (item)
(car (read-from-string item)))
(split-string (buffer-substring start end) "\\.")))
(new-version (cond
((and (<= 3 (length version) 4)
(< 1990 (first version) 2100)
(<= 1 (second version) 12)
(<= 1 (third version) 31))
(next-date-version version))
(t
(next-usual-version version)))))
(delete-region start end)
(goto-char start)
(insert (mapconcat (function prin1-to-string) new-version "."))))