fix: use template variable for source dir

Author: okaufmann

run_once_before_install-packages-darwin.sh.tmpl

@@ -23,7 +23,7 @@ fi
 echo 'Install brew packages'
 echo '------------'
 brew tap homebrew/bundle
-brew bundle --no-lock --file="$(chezmoi source-path)/Brewfile"
+brew bundle --no-lock --file="{{ .chezmoi.sourceDir }}/Brewfile"
 brew link --force libpq
 
 echo 'Install oh-my-zsh'
@@ -45,7 +45,7 @@ echo '------------'
 echo 'Initiate pre-commit.'
 echo '------------'
 if [ -d "~/git-template" ]; then
-    echo -e "\033[33mThe folder '$(chezmoi source-path)/git-template' already exists.\033[0m"^
+    echo -e "\033[33mThe folder '{{ .chezmoi.sourceDir }}/git-template' already exists.\033[0m"^
 else
     pre-commit init-templatedir ~/.git-template
 fi