feat(shell): add packer.nu (#414)

* feat(shell): add `packer.nu`

* dependency update (#413)

* fix(main): move `packer.nu` step before linux package managers

---------

Co-authored-by: Thomas Schönauer <37108907+DottoDev@users.noreply.github.com>

src/main.rs

@@ -177,6 +177,11 @@ For more information about this issue see https://askubuntu.com/questions/110969
         }
     }
 
+    #[cfg(target_os = "linux")]
+    // NOTE: Due to breaking `nu` updates, `packer.nu` needs to be updated before `nu` get updated
+    // by other package managers.
+    runner.execute(Step::Shell, "packer.nu", || linux::run_packer_nu(&ctx))?;
+
     #[cfg(target_os = "linux")]
     let distribution = linux::Distribution::detect();
 

src/steps/os/linux.rs

@@ -13,7 +13,7 @@ use crate::steps::os::archlinux;
 use crate::sudo::Sudo;
 use crate::terminal::{print_separator, print_warning};
 use crate::utils::{require, require_option, which, PathExt};
-use crate::Step;
+use crate::{Step, HOME_DIR};
 
 static OS_RELEASE_PATH: &str = "/etc/os-release";
 
@@ -553,6 +553,25 @@ pub fn run_pacstall(ctx: &ExecutionContext) -> Result<()> {
     upgrade_cmd.arg("-Up").status_checked()
 }
 
+pub fn run_packer_nu(ctx: &ExecutionContext) -> Result<()> {
+    let nu = require("nu")?;
+    let packer_home = HOME_DIR.join(".local/share/nushell/packer");
+
+    packer_home.clone().require()?;
+
+    print_separator("packer.nu");
+
+    ctx.run_type()
+        .execute(nu)
+        .env("PWD", "/")
+        .env("NU_PACKER_HOME", packer_home)
+        .args([
+            "-c",
+            "use ~/.local/share/nushell/packer/start/packer.nu/api_layer/packer.nu; packer update",
+        ])
+        .status_checked()
+}
+
 fn upgrade_clearlinux(ctx: &ExecutionContext) -> Result<()> {
     if let Some(sudo) = &ctx.sudo() {
         ctx.run_type()