First draft of install.sh

install.sh

@@ -0,0 +1,47 @@
+home_dir=${ZDOTDIR:-$HOME}
+prezto_dir="$home_dir/.zprezto"
+
+hash zsh 2>/dev/null || { 
+  echo "Zsh, isn't installed on your system, you're going to need to install that first."
+  exit 1
+}
+
+if [ -d $prezto_dir ]
+then
+  echo "Prezto already installed, exiting installation."
+  exit
+fi
+
+echo ""
+echo "Git cloning Prezto into $prezto_dir"
+hash git 2>/dev/null && /usr/bin/env git clone --recursive https://github.com/sorin-ionescu/prezto.git $prezto_dir || {
+  echo "git not installed"
+  exit 1
+}
+
+echo ""
+setopt EXTENDED_GLOB
+for rcfile in "$home_dir"/.zprezto/runcoms/^README.md(.N); do
+  dest="$home_dir/.${rcfile:t}"
+  if [ -f $dest ] || [ -h $dest ]
+  then
+    backup="$dest.prezto_backup"
+    echo "Backing up $dest to $backup"
+    mv $dest $backup
+  fi
+  echo "Linking $rcfile to $dest"
+  ln -s $rcfile $dest
+done
+
+echo ""
+echo "Copying your current PATH and adding it to the end of ~/.zshrc"
+echo "export PATH=$PATH" >> ~/.zshrc
+
+
+echo ""
+echo "You can ensure $USER's default shell is set to zsh with 'chsh -s \`which zsh\`'"
+
+echo ""
+echo "Prezto is now installed. Login into, or reload zsh to activate."
+
+echo ""