Правка замечаний shellcheck

15-options.zsh

@@ -1,3 +1,6 @@
+# shellcheck shell=bash
+# vim: ft=sh
+
 setopt AUTO_PUSHD           # Push the current directory visited on the stack.
 setopt PUSHD_IGNORE_DUPS    # Do not store duplicates in the stack.
 setopt PUSHD_SILENT         # Do not print the directory stack after pushd or popd.
@@ -23,5 +26,5 @@ if [ -z ${DISABLE_MAGIC_FUNCTIONS+set} ]; then
 fi
 
 # Подсветка вывода основных команд
-[[ -r /etc/grc.zsh ]] && source /etc/grc.zsh
+if [[ -r /etc/grc.zsh ]]; then source /etc/grc.zsh; fi