Rewrite if statement

install.sh

@@ -994,25 +994,24 @@ case "${SHELL}" in
     ;;
 esac
 
-in_shell_profile=$(grep -s "eval \"\$(${HOMEBREW_PREFIX}/bin/brew shellenv)\"" "${shell_profile}")
-
-# FIXME: figure out why this give a "command not found" error
 # show different instructions on adding Homebrew to path based on if the user has already done so
-if [[ -n $in_shell_profile ]] && ! type brew &>/dev/null
+if grep -qs "eval \"\$(${HOMEBREW_PREFIX}/bin/brew shellenv)\"" "${shell_profile}"
 then
-  cat <<EOS
-- Run this command in your terminal to add Homebrew to your ${tty_bold}PATH${tty_reset}:
-    eval "\$(${HOMEBREW_PREFIX}/bin/brew shellenv)"
-EOS
-elif ! "${in_shell_profile}"
-then
-  cat <<EOS
-- Run these two commands in your terminal to add Homebrew to your ${tty_bold}PATH${tty_reset}:
-    (echo; echo 'eval "\$(${HOMEBREW_PREFIX}/bin/brew shellenv)"') >> ${shell_profile}
-    eval "\$(${HOMEBREW_PREFIX}/bin/brew shellenv)"
+  if ! type brew &>/dev/null
+  then
+    cat <<EOS
+    - Run this command in your terminal to add Homebrew to your ${tty_bold}PATH${tty_reset}:
+      eval "\$(${HOMEBREW_PREFIX}/bin/brew shellenv)"
 EOS
+  else
+    :
+  fi
 else
-  :
+  cat <<EOS
+  - Run these two commands in your terminal to add Homebrew to your ${tty_bold}PATH${tty_reset}:
+      (echo; echo 'eval "\$(${HOMEBREW_PREFIX}/bin/brew shellenv)"') >> ${shell_profile}
+      eval "\$(${HOMEBREW_PREFIX}/bin/brew shellenv)"
+EOS
 fi
 
 if [[ -n "${non_default_repos}" ]]