/
straight-x.el
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straight-x.el
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;;; straight-x.el --- Experimental extensions. -*- lexical-binding: t -*-
;; Copyright (C) 2017-2023 Radian LLC and contributors
;; Author: Radian LLC <contact+straight@radian.codes>
;; Created: 1 Jan 2017
;; Homepage: https://github.com/radian-software/straight.el
;; Keywords: extensions
;; Package-Requires: ((emacs "25.1"))
;; SPDX-License-Identifier: MIT
;; Version: prerelease
;;; Commentary:
;; This file contains experimental extensions to straight.el which are
;; not yet ready for direct inclusion. No guarantees are made about
;; the behavior of code in this file.
;; See straight.el for more information.
;;; Code:
(require 'cl-lib)
(require 'subr-x)
(require 'straight)
(defun straight-x-existing-repos ()
(let (recipes)
(straight--map-repos
(lambda (recipe)
(when (and (plist-get recipe :local-repo)
(straight--repository-is-available-p recipe))
(push recipe recipes))))
(nreverse recipes)))
(defvar straight-x-all nil)
(defvar straight-x-waiting nil)
(defvar straight-x-running nil)
(defvar straight-x-finished nil)
(defvar straight-x-buffer "*straight*")
(defun straight-x-buffer-header-line ()
(with-current-buffer straight-x-buffer
(let ((finished (length straight-x-finished))
(all (length straight-x-all)))
(setq header-line-format
(format "Fetching %d/%d...%s"
finished all (if (= finished all) "Done" ""))))))
(defun straight-x-buffer-line (linum new-string)
(with-current-buffer straight-x-buffer
(goto-char (point-min))
(forward-line (1- linum))
(delete-region (line-beginning-position) (line-end-position))
(insert new-string)))
(defun straight-x-when-done (process _change)
;; Assuming success
(let* ((recipe (process-get process :recipe))
(package (plist-get recipe :package))
(linum (1+ (cl-position recipe straight-x-all :test #'equal))))
(setq straight-x-running (delete recipe straight-x-running)
straight-x-finished (cons recipe straight-x-finished))
(straight-x-buffer-line
linum
(format "+ %s: %s"
(propertize package 'face 'font-lock-keyword-face)
(if (process-get process :up-to-date)
"Already up to date"
"Updated")))
(straight-x-buffer-header-line))
(kill-buffer (process-buffer process))
(straight-x-start-process))
(defun straight-x-strip (string)
;; git clone/fetch --progress
(car (last (split-string string (rx (or ?\r ?\n)) t " +"))))
(defun straight-x-filter (process output)
(let* ((recipe (process-get process :recipe))
(linum (1+ (cl-position recipe straight-x-all :test #'equal))))
(process-put process :up-to-date nil)
(straight-x-buffer-line
linum
(format "- %s: %s"
(propertize
(plist-get recipe :package)
'face 'font-lock-variable-name-face)
(straight-x-strip output)))))
(defun straight-x-start-process ()
(when-let ((recipe (pop straight-x-waiting)))
(push recipe straight-x-running)
(straight--with-plist recipe
(local-repo package)
(let ((proc (let* ((default-directory (straight--repos-dir local-repo))
(process-connection-type nil)
(name (format " *straight %s*" package))
(buf (generate-new-buffer name)))
(start-process name buf "git" "fetch" "--all"))))
(process-put proc :recipe recipe)
(process-put proc :up-to-date t)
(set-process-filter proc #'straight-x-filter)
(set-process-sentinel proc #'straight-x-when-done)))))
(defvar straight-x-process-limit 10)
(defun straight-x-fetch-all ()
(interactive)
(setq straight-x-all (straight-x-existing-repos)
straight-x-waiting straight-x-all
straight-x-running nil
straight-x-finished nil)
(with-current-buffer (get-buffer-create straight-x-buffer)
(display-buffer (current-buffer))
(erase-buffer)
(straight-x-buffer-header-line)
(insert (make-string (length straight-x-all) ?\n))
(cl-loop for recipe in straight-x-all
for linum from 1
do (straight-x-buffer-line
linum
(format "- %s: Waiting"
(propertize
(plist-get recipe :package)
'face 'font-lock-variable-name-face)))))
(dotimes (_ straight-x-process-limit)
(straight-x-start-process)))
(define-obsolete-function-alias 'straight-x-clean-unused-repos
'straight-remove-unused-repos
"2021-06-08")
;; Version pinning
;; The following function definitions are alternatives to ones built into
;; `straight.el'. They will try to respect pinned packages. This requires the
;; use of a variable `straight-x-pinned-packages' and the addition of a
;; `pinned' profile to `straight-profiles'.
;;;###autoload
(defvar straight-x-pinned-packages nil
"List of pinned packages.")
(defun straight-x-freeze-pinned-versions ()
"Write lock file for pinned packages."
(interactive)
(let ((lockfile-path (straight--versions-lockfile 'pinned)))
(with-temp-file lockfile-path
(insert
(format "(%s)\n:gamma\n"
(mapconcat
(apply-partially #'format "%S")
straight-x-pinned-packages
"\n "))))))
(defun straight-x--get-pinned-versions ()
"Read pinned version lockfiles and return merged alist of saved versions.
The alist maps repository names as strings to versions, whose
interpretations are defined by the relevant VC backend."
(let ((versions nil))
(dolist (spec '((pinned . "pinned.el")))
(cl-destructuring-bind (_profile . versions-lockfile) spec
(let ((lockfile-path (straight--versions-file versions-lockfile)))
(when-let ((versions-alist (ignore-errors
(with-temp-buffer
(insert-file-contents-literally
lockfile-path)
(read (current-buffer))))))
(dolist (spec versions-alist)
(cl-destructuring-bind (local-repo . commit) spec
(setq versions (straight--alist-set
local-repo commit versions))))))))
versions))
(defun straight-x-thaw-pinned-versions ()
"Read pinned version lockfiles and restore package versions to
those listed."
(interactive)
(let ((versions-alist (straight-x--get-pinned-versions)))
(straight--map-repos-interactively
(lambda (package)
(let ((recipe (gethash package straight--recipe-cache)))
(when (straight--repository-is-available-p recipe)
(straight--with-plist recipe
(local-repo)
;; We can't use `alist-get' here because that uses
;; `eq', and our hash-table keys are strings.
(when-let ((commit (cdr (assoc local-repo versions-alist))))
(unless (straight-vc-commit-present-p recipe commit)
(straight-vc-fetch-from-remote recipe))
(straight-vc-check-out-commit recipe commit)))))))))
(defun straight-x-pull-all ()
"Pull all packages and restore pinned package versions."
(interactive)
(straight-pull-all)
(message "Taking care of pinned versions ...")
(straight-x-thaw-pinned-versions)
(message "Done!"))
(defun straight-x-freeze-versions ()
"Freeze all package versions but respect pinned packages."
(interactive)
(straight-freeze-versions)
(straight-x-freeze-pinned-versions))
(provide 'straight-x)
;;; straight-x.el ends here