It makes no sense, to clone the powerlevel9k-theme in all frameworks. Instead, we can simply use the one, which is mounted in /vagrant_data..

test-vm/Vagrantfile

@@ -16,7 +16,7 @@ Vagrant.configure(2) do |config|
 
   # Bootstrap
   config.vm.provision :shell, path: "bootstrap.sh", privileged: false
-  config.vm.provision :shell, path: "plain.sh"
+  config.vm.provision :shell, path: "plain.sh", privileged: false
   config.vm.provision :shell, path: "antigen.sh"
   config.vm.provision :shell, path: "prezto.sh"
   config.vm.provision :shell, path: "omz.sh"
@@ -44,7 +44,7 @@ Vagrant.configure(2) do |config|
   # the path on the host to the actual folder. The second argument is
   # the path on the guest to mount the folder. And the optional third
   # argument is a set of non-required options.
-  # config.vm.synced_folder "../data", "/vagrant_data"
+  config.vm.synced_folder "..", "/vagrant_data"
 
   # Provider-specific configuration so you can fine-tune various
   # backing providers for Vagrant. These expose provider-specific options.

test-vm/antigen.sh

@@ -3,7 +3,7 @@
 NEW_USER=vagrant-antigen
 # Create User
 PASSWORD='$6$OgLg9v2Z$Db38Jr9inZG7y8BzL8kqFK23fF5jZ7FU1oiIBLFjNYR9XVX03fwQayMgA6Rm1rzLbXaf.gkZaTWhB9pv5XLq11'
-sudo useradd -p $PASSWORD -g vagrant -s $(which zsh) -m $NEW_USER
+useradd -p $PASSWORD -g vagrant -s $(which zsh) -m $NEW_USER
 echo "$NEW_USER ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers.d/$NEW_USER
 chmod 440 /etc/sudoers.d/$NEW_USER
 
@@ -16,7 +16,7 @@ chmod 440 /etc/sudoers.d/$NEW_USER
 
         echo "
 source ~/antigen/antigen.zsh\n
-antigen theme bhilburn/powerlevel9k powerlevel9k\n
+antigen theme /vagrant_data powerlevel9k --no-local-clone\n
 antigen apply
 " > ~/.zshrc
 

test-vm/omz.sh

@@ -3,7 +3,7 @@
 NEW_USER=vagrant-omz
 # Create User
 PASSWORD='$6$OgLg9v2Z$Db38Jr9inZG7y8BzL8kqFK23fF5jZ7FU1oiIBLFjNYR9XVX03fwQayMgA6Rm1rzLbXaf.gkZaTWhB9pv5XLq11'
-sudo useradd -p $PASSWORD -g vagrant -s $(which zsh) -m $NEW_USER
+useradd -p $PASSWORD -g vagrant -s $(which zsh) -m $NEW_USER
 echo "$NEW_USER ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers.d/$NEW_USER
 chmod 440 /etc/sudoers.d/$NEW_USER
 
@@ -16,8 +16,8 @@ chmod 440 /etc/sudoers.d/$NEW_USER
 
         curl -L https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh | sh
 
-        cd ~/.oh-my-zsh/custom
-        git clone https://github.com/bhilburn/powerlevel9k.git themes/powerlevel9k
+        mkdir -p ~/.oh-my-zsh/custom/themes
+        ln -s /vagrant_data ~/.oh-my-zsh/custom/themes/powerlevel9k
 
         echo '
 export ZSH=$HOME/.oh-my-zsh

test-vm/plain.sh

@@ -1,7 +1,3 @@
 #!/usr/bin/zsh
 
-git clone https://github.com/bhilburn/powerlevel9k.git
-
-echo "
-source powerlevel9k/powerlevel9k.zsh-theme\n
-" > ~/.zshrc
+echo 'source /vagrant_data/powerlevel9k.zsh-theme' > ~/.zshrc

test-vm/prezto.sh

@@ -3,7 +3,7 @@
 NEW_USER=vagrant-prezto
 # Create User
 PASSWORD='$6$OgLg9v2Z$Db38Jr9inZG7y8BzL8kqFK23fF5jZ7FU1oiIBLFjNYR9XVX03fwQayMgA6Rm1rzLbXaf.gkZaTWhB9pv5XLq11'
-sudo useradd -p $PASSWORD -g vagrant -s $(which zsh) -m $NEW_USER
+useradd -p $PASSWORD -g vagrant -s $(which zsh) -m $NEW_USER
 echo "$NEW_USER ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers.d/$NEW_USER
 chmod 440 /etc/sudoers.d/$NEW_USER
 
@@ -21,7 +21,6 @@ chmod 440 /etc/sudoers.d/$NEW_USER
                 ln -s "$rcfile" "${ZDOTDIR:-$HOME}/.${rcfile:t}"
         done
 
-        git clone https://github.com/bhilburn/powerlevel9k.git ~/powerlevel9k
-        ln -s ~/powerlevel9k/powerlevel9k.zsh-theme ~/.zprezto/modules/prompt/functions/prompt_powerlevel9k_setup
+        ln -s /vagrant_data/powerlevel9k.zsh-theme ~/.zprezto/modules/prompt/functions/prompt_powerlevel9k_setup
         sed -i "s/theme\ 'sorin'/theme\ 'powerlevel9k'/g" ~/.zpreztorc
 )