Added some echo statements to make clear what is going on

vim-sync-append.sh

@@ -13,44 +13,54 @@ command -v git >/dev/null 2>&1 || {
     exit 1;
 }
 
-# Clone vundle
-mkdir -p ~/.vim/bundle
-git clone https://github.com/gmarik/vundle.git ~/.vim/bundle/vundle
+# Clone vundle if not done already
+if [ ! -d ~/.vim/bundle/vundle ]; then
+    echo "Installing vundle"
+    mkdir -p ~/.vim/bundle
+    git clone https://github.com/gmarik/vundle.git ~/.vim/bundle/vundle
+fi
 
 # Make backup and tmp dirs
+echo "Building temp and backup dirs"
 mkdir -p ~/.vim/backup
 mkdir -p ~/.vim/tmp
 mkdir -p ~/.vim/doc
 
 # If a .vimrc_sync doesn't exist, link it
 if [[ ! ( -f ~/.vimrc_sync ) ]]; then
+    echo "Linking sync'd vimrc"
 	ln -s $VIM_SYNC_DIR/vim/dot_vimrc ~/.vimrc_sync
 fi
 
 # If a .vim_drpobox dir doesn't exist, link it
 if [[ ! ( -d ~/.vim_sync ) ]]; then
+    echo "Linking sync'd vim runtime"
 	ln -s $VIM_SYNC_DIR/vim/dot_vim ~/.vim_sync
 fi
 
 # if there is no .vimrc file already, make a blank one
 if [[ ( ! -f ~/.vimrc ) ]]; then
+    echo "No ~/.vimrc found, creating one"
 	touch ~/.vimrc
 fi
 
 # if not already sourcing the synced version, source it
 if ! ( grep -q 'source ~/.vimrc_sync' ~/.vimrc ); then
+    echo "Source sync'd vimrc in vimrc"
 	echo '' >> ~/.vimrc
 	echo '"import vimrc from synced' >> ~/.vimrc
 	echo 'source ~/.vimrc_sync' >> ~/.vimrc
 fi
 
 if ! ( grep -q 'set runtimepath+=$HOME/.vim_sync' ~/.vimrc ); then
+    echo "Add sync'd vim dir to runtime"
 	echo '' >> ~/.vimrc
 	echo '"add vim directory from synced' >> ~/.vimrc
 	echo 'set runtimepath+=$HOME/.vim_sync' >> ~/.vimrc
 fi
 
 # Install all bundles
+echo "Install all bundles"
 vim +BundleInstall! +qall
 
 # Compile CommandT if possible
@@ -60,12 +70,14 @@ if command -v ruby >/dev/null 2>&1; then
     if command -v gcc >/dev/null 2>&1; then
         # Use system ruby
         command -v rvm >/dev/null 2>&1 && { rvm use system; }
+        echo "Compile Command T's C extension"
         cd ~/.vim/bundle/Command-T/ruby/command-t
         ruby extconf.rb
         make
     fi
 fi
 
+# Display warning methods related to Command T
 vim --version | grep -q '\+ruby' || { echo "Warning: Default vim does not include ruby as needed for Command T"; }
 command -v ruby >/dev/null 2>&1 || { echo "Warning: ruby required for Command T"; }
 command -v gcc >/dev/null 2>&1 || { echo "Warning: gcc required for Command T"; }