turn off history substitution in case it's been enabled (3)

disabled SC3041 violation and fixed SC2015 violation

SC3041 (warning): In POSIX sh, set flag -H is undefined

SC2015 (info): Note that A && B || C is not if-then-else. C may run when A is true

.tmux.conf

@@ -167,7 +167,10 @@ run 'cut -c3- "$TMUX_CONF" | sh -s _apply_configuration'
 #
 # unset GREP_OPTIONS
 # export LC_NUMERIC=C
-# (set +H 2>/dev/null) && set +H || true
+# # shellcheck disable=SC3041
+# if (set +H 2>/dev/null); then
+#   set +H
+# fi
 #
 # if ! printf '' | sed -E 's///' 2>/dev/null; then
 #   if printf '' | sed -r 's///' 2>/dev/null; then