Modifications

- proper exit codes in brewlog
- check if /usr/local/bin is writable (and use sudo [user permission])

install.sh

@@ -1,17 +1,26 @@
 #!/bin/bash
-
 if [ -w /usr/local/bin ]; then
    curl -sSL 'https://raw.githubusercontent.com/robocopAlpha/brewlog/master/brewlog.sh' > /usr/local/bin/brewlog
    chmod +x /usr/local/bin/brewlog
 else
-   sudo -s
-   if [ -w /usr/local/bin ]; then
-      curl -sSL 'https://raw.githubusercontent.com/robocopAlpha/brewlog/master/brewlog.sh' > /usr/local/bin/brewlog
-   	  chmod +x /usr/local/bin/brewlog
-      exit
-      sudo -k
-    else
-      echo "cannot write to /usr/local/bin".
-      exit 1;
-    fi
-fi
+  curl -sSL 'https://raw.githubusercontent.com/robocopAlpha/brewlog/master/brewlog.sh' >| brewlog.sh
+  echo "user $(whoami) cannot write to /usr/local/bin."
+  read -r -p "use sudo (y/N): " choice
+  shopt -q nocasematch;
+  if [ "$?" -eq "1" ]; then
+    shopt -s nocasematch
+    flag=1
+  fi
+  if [[ "$choice" =~ ^(yes|y)$ ]]
+  then
+    sudo mv brewlog.sh /usr/local/bin/brewlog
+    sudo chmod +x /usr/local/bin/brewlog
+    sudo -k
+  else
+    echo "cannot install /usr/local/bin/brewlog without sudo rights"
+    exit 1;
+  fi
+  if [ "$flag" -eq "1" ]; then
+    shopt -s nocasematch
+  fi
+fi