Display details about installation

install_chromebrew.sh

 #cd to /usr/local so we are certain we are able to execute stuff (certain partitions are mounted with no execute privileges)
+echo "Changing working directory to /usr/local"
 cd /usr/local
 
-#create work directory and cd into it
+#create installation directory and cd into it
+echo "Creating installation directory (/usr/local/chromebrew_install)"
 mkdir chromebrew_install
 cd chromebrew_install
 
 #download installation files
+echo "Downloading installation files"
 wget https://raw.github.com/skycocker/chromebrew/master/$(uname -m)_links
 wget https://raw.github.com/skycocker/chromebrew/master/lib_files_already_present_in_system_list
 
 #download precompiled core tarballs
+echo "Downloading core tarballs (this may take a while)"
 for url in $(cat $(uname -m)_links)
 do
   wget --content-disposition $url
 done
 
 #extract tarballs
+echo "Extracting core tarballs (this may take a while)..."
 for tarball in *.tar.gz
 do
   tar -xf $tarball
 done
 
 #install tarballs content
+echo "Installing core files..."
 cp -r usr/* /usr
 
 #this is sort of an ugly hack, fix if you feel like it's worth your time :p
+echo "Creating symlinks..."
 ln -s /usr/local/lib/libmpc.so.3 /usr/local/lib/libmpc.so.2
 
 #link already present files to avoid conflicts
@@ -32,3 +39,10 @@ for filename in $(cat lib_files_already_present_in_system_list)
 do
   ln -s /lib/$filename /usr/local/lib/$filename
 done
+
+#check if gcc installation succeeded
+if [ -f /usr/local/bin/gcc ]; then
+  echo "Installation complete! You can now run gcc :)"
+else
+  echo "An unexpected error occured :/"
+fi