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doom upgrade: delete straight if recipe changed

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By deleting straight, the latest pinned version will be reinstalled on
the second part of the 'doom upgrade' process.

This is a clumsy fix for a catch 22 where using straight to update
straight would break due to backwards incompatibilities (see #4950).
This will do while we wait for the CLI rewrite.
This commit is contained in:
Henrik Lissner 2021-05-06 04:17:06 -04:00
parent d4dec35658
commit 48322af020
1 changed files with 26 additions and 3 deletions
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29
core/cli/upgrade.el
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@ -44,6 +44,16 @@ following shell commands:
(split-string stdout "\n" t)
(error "Failed to check working tree in %s" dir))))
(defun doom--get-straight-recipe ()
(with-temp-buffer
(insert-file-contents (doom-path doom-core-dir "packages.el"))
(when (re-search-forward "(package! straight" nil t)
(goto-char (match-beginning 0))
(let ((sexp (sexp-at-point)))
(plist-put sexp :recipe
(eval (plist-get sexp :recipe)
t))))))
(defun doom-cli-upgrade (&optional auto-accept-p force-p)
"Upgrade Doom to the latest version non-destructively."
@ -116,9 +126,22 @@ following shell commands:
(print! (start "Upgrading Doom Emacs..."))
(print-group!
(doom-clean-byte-compiled-files)
(or (and (zerop (car (doom-call-process "git" "reset" "--hard" target-remote)))
(equal (cdr (doom-call-process "git" "rev-parse" "HEAD")) new-rev))
(error "Failed to check out %s" (substring new-rev 0 10)))
(let ((straight-recipe (doom--get-straight-recipe)))
(or (and (zerop (car (doom-call-process "git" "reset" "--hard" target-remote)))
(equal (cdr (doom-call-process "git" "rev-parse" "HEAD")) new-rev))
(error "Failed to check out %s" (substring new-rev 0 10)))
;; HACK It's messy to use straight to upgrade straight, due
;; to the potential for backwards incompatibility, so
;; we staticly check if Doom's `package!' declaration
;; for straight has changed. If it has, delete
;; straight so 'doom upgrade's second stage will
;; install the new version for us.
;;
;; Clumsy, but a better solution is in the works.
(unless (equal straight-recipe (doom--get-straight-recipe))
(print! (info "Preparing straight for an update"))
(delete-directory (doom-path straight-base-dir "straight/repos/straight.el")
'recursive)))
(print! (info "%s") (cdr result))
t))))))
(ignore-errors