branch: elpa/helm
commit 028cdd574eefedf9f6e2e45ce1c521c8243f40d0
Author: Thierry Volpiatto <thie...@posteo.net>
Commit: Thierry Volpiatto <thie...@posteo.net>
Speedup matching on large directories in HFF
after typing first char.
---
helm-files.el | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/helm-files.el b/helm-files.el
index 68cf3feb299..eecdb3a8ac5 100644
--- a/helm-files.el
+++ b/helm-files.el
@@ -3974,9 +3974,14 @@ If PATTERN is a valid directory name, return PATTERN
unchanged."
;; bn as well.
(regexp-quote bn)))
(t (concat (regexp-quote bd)
- (if (>= (length bn) 2) ; wait 2nd char before concating.
+ ;; wait 2nd char before transforming to fuzzy.
+ (if (>= (length bn) 2)
(helm--mapconcat-pattern bn)
- (concat ".*" (regexp-quote bn))))))))
+ ;; Here BN length is 1, we were previously matching
+ ;; everything before BN i.e. (concat ".*" (regexp-quote bn))
+ ;; but it is too slow on large directories. We could use
+ ;; previous clause for this but keep it here for clarity.
+ (regexp-quote bn)))))))
(defalias 'helm-dir-is-dot 'helm-ff-dot-file-p)
(make-obsolete 'helm-dir-is-dot 'helm-ff-dot-file-p "3.8.8")
