Variable: diff-hl-mode-hook
diff-hl-mode-hook is a customizable variable defined in diff-hl.el.
Value
(diff-hl-mode--set-explicitly(var)/diff-hl-mode--set-explicitly(fun))
Documentation
Hook run after entering or leaving diff-hl-mode(var)/diff-hl-mode(fun).
No problems result if this variable is not bound.
add-hook automatically binds it. (This is true for all hook variables.)
Source Code
;; Defined in /nix/store/cfz56rl3lp066226i0bmmgiicls3gcq7-emacs-packages-deps/share/emacs/site-lisp/elpa/diff-hl-20261001.135/diff-hl.el