From 34ea8c2ab9183fc342f7e668fc3cdf38d8080bfa Mon Sep 17 00:00:00 2001
From: Kenichi Kamiya <kachick1@gmail.com>
Date: Tue, 2 Apr 2024 21:03:09 +0900
Subject: [PATCH] Suppress typos detections for all short words

---
 _typos.toml             | 20 ++++++++++++++++----
 home-manager/common.nix |  8 ++------
 2 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/_typos.toml b/_typos.toml
index b8c5d92a..19fe4989 100644
--- a/_typos.toml
+++ b/_typos.toml
@@ -1,9 +1,21 @@
-[default.extend-words]
-# https://github.com/crate-ci/typos/issues/415
-ba = "ba"
+[default]
+# https://github.com/crate-ci/typos/blob/v1.19.0/docs/reference.md
+# Be careful to handle extend-ignore-* variants
+# - extend-ignore-words-re: macthed symbol
+# - extend-ignore-identifiers-re: suggesting symbol
+# - extend-ignore-re: matching target string
+extend-ignore-words-re = [
+  # In my experience, false positive detection in typos occurred for short words.
+  #
+  # * My typos are increased as the words get longer
+  # * Too short often conflict with hash strings especially `ba`: https://github.com/crate-ci/typos/issues/415
+  # * Added 2 or 3 character abbreviations as wrong: https://github.com/crate-ci/typos/issues/955
+  #
+  # So I guess skipping all these detections makes reasonable behaviors for now and for the future.
+  "\\A[a-zA-Z]{1,3}\\z",
+]
 
 [files]
 extend-exclude = [
   "go.mod",
-  "*.terminal",
 ]
diff --git a/home-manager/common.nix b/home-manager/common.nix
index 1f52de68..4978767d 100644
--- a/home-manager/common.nix
+++ b/home-manager/common.nix
@@ -165,12 +165,8 @@
     + "/examples/.irbrc"
   ;
 
-  # typos does not have feature global config, this is used in git hooks for https://github.com/kachick/dotfiles/issues/412
-  xdg.configFile."typos/_typos.toml".text = ''
-    [default.extend-words]
-    # https://github.com/crate-ci/typos/issues/415
-    ba = "ba"
-  '';
+  # typos does not have global config feature, this is used in git hooks for https://github.com/kachick/dotfiles/issues/412
+  xdg.configFile."typos/_typos.toml".source = ../_typos.toml;
 
   # https://github.com/nix-community/home-manager/blob/release-23.11/modules/programs/fzf.nix
   # https://github.com/junegunn/fzf/blob/master/README.md