feat: add more automation to set up FreeBSD builds

Vagrantfile

@@ -1,17 +1,45 @@
+uid = Process::UID.rid
+
 $script = <<-SCRIPT
-curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+pw user add -n sparse-build -s /usr/local/bin/bash -m -u #{uid}
-echo 'source "$HOME/.cargo/env"' > ~/.bashrc
+cat - <<EOD > /usr/local/etc/sudoers.d/sparse-build
+Defaults:sparse-build !fqdn
+Defaults:sparse-build !requiretty
+sparse-build ALL=(ALL) NOPASSWD: ALL
+EOD
+
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sudo -u sparse-build sh -s -- -y
+
+pkg install -y git cmake
+sudo -u sparse-build git clone https://github.com/the-tcpdump-group/libpcap /home/sparse-build/libpcap
+
+cat - <<EOD > /home/sparse-build/.bashrc
+source /home/sparse-build/.cargo/env
+export SPARSE_BUILD_LIBPCAP=/home/sparse-build/libpcap
+EOD
+chown sparse-build /home/sparse-build/.bashrc
+
+cat - <<'EOD' > /usr/local/bin/sparse-build
+cd /vagrant
+exec sudo -u sparse-build bash -i -c "/home/sparse-build/.cargo/bin/cargo build --target=x86_64-unknown-freebsd -p sparse-05-server $@"
+EOD
+chmod +x /usr/local/bin/sparse-build
 SCRIPT
 
 Vagrant.configure("2") do |config|
   config.vm.box = "generic/freebsd14"
 
   config.vm.network "private_network", ip: "192.168.56.198"
-
   config.vm.provision "shell", inline: $script
+  config.vm.synced_folder ".", "/vagrant", type: "nfs", nfs_version: 4, map_uid: uid, linux__nfs_options: ['rw']
 
   config.vm.provider "virtualbox" do |vb|
     vb.memory = 8192
     vb.cpus = 8
   end
+
+  config.vm.provider "libvirt" do |lv|
+    lv.cpus = 8
+    lv.memory = 8192
+  end
 end