✨ tar

src/args.rs

@@ -26,6 +26,7 @@ pub fn get_args() -> clap::ArgMatches {
         .subcommand(
             command!()
                 .name("create-tar")
+                .arg(arg!([dir] "root fs dir").required(true))
                 .about("Create a container tar image"),
         )
         .subcommand(

src/install/desktop.rs

@@ -3,7 +3,7 @@ use crate::{config::InstallConfig, linux::install_file, pkg::install_pkgs, print
 use super::navos::setup_navos;
 
 pub fn setup_desktop(conf: &InstallConfig) {
-    setup_navos();
+    setup_navos("/mnt");
     install_pkgs(&["navos_desktop"]);
     print_status("Enable SDDM");
     print_status("Set keyboard layout for SDDM");

src/install/mod.rs

@@ -51,7 +51,7 @@ pub mod zram;
 
 use crate::{
     config::InstallConfig,
-    pkg::{self, install_pkgs, pacstrap},
+    pkg::{self, install_pkgs, pacstrap_at},
     print_status,
 };
 
@@ -129,14 +129,14 @@ pub fn install(mut conf: InstallConfig, bare: bool) {
 
 pub fn install_mnt(conf: InstallConfig, bare: bool) {
     // Base Install
-    pacstrap(&conf.pkg);
+    pacstrap_at("/mnt", conf.pkg.kernel.as_ref(), &conf.pkg.pkg);
     genfstab();
 
     // Configuration
     first_boot_values(&conf.general);
 
     if !matches!(conf.general.mode, crate::config::InstallMode::Base) {
-        setup_navos();
+        setup_navos("/mnt");
     }
 
     setup_skel(&conf.general);

src/install/navos.rs

@@ -1,19 +1,25 @@
-use crate::{linux::arch_chroot, print_status};
+use crate::{linux::arch_chroot_at, print_status};
 
-pub fn setup_navos() {
+pub fn setup_navos(root: &str) {
+    let root = std::path::PathBuf::from(root);
     // pacman.conf
     print_status("Copying pacman.conf");
-    std::fs::copy("/etc/pacman.conf", "/mnt/etc/pacman.conf").unwrap();
+    std::fs::copy("/etc/pacman.conf", root.join("etc").join("pacman.conf")).unwrap();
 
     // import keys
     print_status("Importing pkg keys");
     std::fs::write(
-        "/mnt/usr/share/pacman/keyrings/navos.gpg",
+        root.join("usr")
+            .join("share")
+            .join("pacman")
+            .join("keyrings")
+            .join("navos.gpg"),
         include_str!("../../navos.gpg"),
     )
     .unwrap();
 
-    arch_chroot(
+    arch_chroot_at(
+        root.display().to_string().as_str(),
         &[
             "pacman-key",
             "--add",
@@ -23,7 +29,8 @@ pub fn setup_navos() {
         false,
     );
 
-    arch_chroot(
+    arch_chroot_at(
+        root.display().to_string().as_str(),
         &[
             "pacman-key",
             "--lsign-key",
@@ -35,5 +42,5 @@ pub fn setup_navos() {
 
     // remove os-release
     print_status("Removing os-release");
-    let _ = std::fs::remove_file("/mnt/etc/os-release");
+    let _ = std::fs::remove_file(root.join("etc").join("os-release"));
 }

src/linux.rs

@@ -94,6 +94,18 @@ pub fn run_command(cmd: &[&str], input: Option<&str>, inherit: bool) -> (String,
     (output, stderr)
 }
 
+/// Runs a command in the chroot environment at `dir`
+pub fn arch_chroot_at(
+    dir: &str,
+    cmd: &[&str],
+    input: Option<&str>,
+    inherit: bool,
+) -> (String, String) {
+    let mut chroot_cmd = vec!["arch-chroot", dir];
+    chroot_cmd.extend_from_slice(cmd);
+    run_command(&chroot_cmd, input, inherit)
+}
+
 /// Runs a command in the chroot environment at `/mnt`
 pub fn arch_chroot(cmd: &[&str], input: Option<&str>, inherit: bool) -> (String, String) {
     let mut chroot_cmd = vec!["arch-chroot", "/mnt"];

src/main.rs

@@ -1,12 +1,22 @@
 use navinstall::config::InstallConfig;
+use navinstall::install::navos::setup_navos;
 use navinstall::install::{
     drives::setup_disk_image, install, install_mnt, security::ensure_secure_boot,
 };
 use navinstall::linux::is_root;
+use navinstall::pkg::pacstrap_at;
 use navinstall::print::print_config;
+use navinstall::print_status;
 use navinstall::{create_iso::create_iso, expect_yes};
 use yansi::{Color, Paint};
 
+pub fn ensure_root() {
+    if !is_root() {
+        eprintln!("Error: You need root to install");
+        std::process::exit(1);
+    }
+}
+
 fn main() {
     println!(
         "{}",
@@ -53,9 +63,12 @@ fn main() {
             );
             std::process::exit(0);
         }
-        Some(("create-tar", _)) => {
-            println!("Tar creation is not yet supported");
-            unimplemented!()
+        Some(("create-tar", tar_options)) => {
+            ensure_root();
+            let dir: &String = tar_options.get_one("dir").unwrap();
+            print_status("Pacstrapping root fs");
+            pacstrap_at(&dir, None, &[]);
+            setup_navos(dir.as_str());
         }
         Some(("create-img", install_args)) => {
             let config_file: &String = install_args.get_one("config").unwrap();
@@ -66,10 +79,7 @@ fn main() {
             install_mnt(conf, false);
         }
         Some(("install", install_args)) => {
-            if !is_root() {
-                eprintln!("Error: You need root to install");
-                std::process::exit(1);
-            }
+            ensure_root();
 
             let config_file: &String = install_args.get_one("config").unwrap();
             let force = install_args.get_flag("force");

src/pkg.rs

@@ -1,7 +1,4 @@
-use crate::{
-    config::PackageConfig,
-    linux::{arch_chroot, run_command},
-};
+use crate::linux::{arch_chroot, run_command};
 
 pub const DESKTOP_PKG: [&str; 17] = [
     // Desktop
@@ -42,11 +39,11 @@ pub fn install_pkgs(pkg: &[&str]) {
 // PACSTRAP
 
 /// Initial system pacstrap
-pub fn pacstrap(conf: &PackageConfig) {
+pub fn pacstrap_at(dir: &str, kernel: Option<&String>, pkg: &[String]) {
     let mut cmd: Vec<&str> = vec![
         "pacstrap",
         "-K",
-        "/mnt",
+        dir,
         "base",
         "linux-firmware",
         "git",
@@ -60,7 +57,7 @@ pub fn pacstrap(conf: &PackageConfig) {
     ];
 
     let linux_kernel = "linux".to_string();
-    let kernel = conf.kernel.as_ref().unwrap_or(&linux_kernel);
+    let kernel = kernel.unwrap_or(&linux_kernel);
     let headers = format!("{kernel}-headers");
     cmd.extend(&[kernel.as_str(), headers.as_str()]);
 
@@ -70,9 +67,7 @@ pub fn pacstrap(conf: &PackageConfig) {
     }
 
     cmd.extend(
-        &conf
-            .pkg
-            .iter()
+        pkg.iter()
             .map(std::string::String::as_str)
             .collect::<Vec<_>>(),
     );