Use an rc file

Author: evertiro

.shellcheckrc

@@ -0,0 +1,2 @@
+disable=1090
+disable=1091

src/cdm

@@ -58,20 +58,16 @@ yesno()
 if [[ -n "$1" ]]; then
     if [[ -f "$1" ]]
     then
-		# shellcheck disable=1090
         source "$1"
     else
         error "config file \`$1' does not exist."
         exiterror
     fi
 elif [[ -f "$HOME/.cdmrc" ]]; then
-	# shellcheck disable=1091
     source "$HOME/.cdmrc"
 elif [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/cdm/cdmrc" ]]; then
-	# shellcheck disable=1091
     source "${XDG_CONFIG_HOME:-$HOME/.config}/cdm/cdmrc"
 elif [[ -f /etc/cdmrc ]]; then
-	# shellcheck disable=1091
     source /etc/cdmrc
 fi