ensure mac bash_completion.d exists

Author: DannyBen

setup

@@ -54,7 +54,7 @@ install_completions() {
     compdir="/usr/share/bash-completion/completions"
   elif [[ -d "/usr/local/etc/bash_completion.d" ]]; then
     compdir="/usr/local/etc/bash_completion.d"
-  elif command -v brew &> /dev/null; then
+  elif command -v brew &> /dev/null && [[ -d "$(brew --prefix)/etc/bash_completion.d" ]]; then
     compdir="$(brew --prefix)/etc/bash_completion.d"
   else
     compdir=''

test/setup_artifacts

@@ -14,7 +14,7 @@ get_comp_dir() {
     echo "/usr/share/bash-completion/completions"
   elif [[ -d "/usr/local/etc/bash_completion.d" ]]; then
     echo "/usr/local/etc/bash_completion.d"
-  elif command -v brew &> /dev/null; then
+  elif command -v brew &> /dev/null && [[ -d "$(brew --prefix)/etc/bash_completion.d" ]]; then
     echo "$(brew --prefix)/etc/bash_completion.d"
   else
     echo ''