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Experimental fixes for undo-tree

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Increase `undo-limit`, `undo-strong-limit` and `undo-outer-limit` by a
factor of ten, which should prevent emacs from prematurely truncating
the undo history and corrupting the tree.

Restore `undo-tree-auto-save-history` which was disabled to avoid
exacerbating the undo history truncation.

Change the `undo-tree` recipe to grab the latest version from the
maintainer's repostiory instead of the outdated ELPA version.

Restore `undo-tree-enable-undo-in-region` which should be fixed in the
latest version of `undo-tree`.
This commit is contained in:
Andrew Whatson 2019-10-01 22:37:18 +10:00
parent 3f7e0fd103
commit aa087e3af2
2 changed files with 11 additions and 6 deletions
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12
core/core-editor.el
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@ -409,11 +409,13 @@ files, so we replace calls to `pp' with the much faster `prin1'."
;; Branching & persistent undo ;; Branching & persistent undo
:after-call doom-switch-buffer-hook after-find-file :after-call doom-switch-buffer-hook after-find-file
:config :config
(setq undo-tree-auto-save-history nil ; disable because unstable (setq undo-tree-auto-save-history t
;; undo-in-region is known to cause undo history corruption, which can ;; Increase undo-limits by a factor of ten to avoid emacs prematurely
;; be very destructive! Disabling it deters the error, but does not fix ;; truncating the undo history and corrupting the tree. See
;; it entirely! ;; https://github.com/syl20bnr/spacemacs/issues/12110
undo-tree-enable-undo-in-region nil undo-limit 800000
undo-strong-limit 12000000
undo-outer-limit 120000000
undo-tree-history-directory-alist undo-tree-history-directory-alist
`(("." . ,(concat doom-cache-dir "undo-tree-hist/")))) `(("." . ,(concat doom-cache-dir "undo-tree-hist/"))))

5
core/packages.el
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@ -32,7 +32,10 @@
;; potato. ;; potato.
:recipe (:host github :repo "hlissner/emacs-so-long")) :recipe (:host github :repo "hlissner/emacs-so-long"))
(package! osx-clipboard :ignore (not IS-MAC)) (package! osx-clipboard :ignore (not IS-MAC))
(package! undo-tree) (package! undo-tree
;; NOTE The version of undo-tree published to ELPA is over 5 years old and
;; missing some fixes. Just use the maintainer's repo directly.
:recipe (:host nil :repo "http://www.dr-qubit.org/git/undo-tree.git"))
(package! ws-butler) (package! ws-butler)
(package! xclip :ignore (not IS-LINUX)) (package! xclip :ignore (not IS-LINUX))