Add indicator for scripts if they should be run in a different root

Cargo.toml

@@ -16,17 +16,17 @@ path = "src/main.rs"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "4.0.17", features = ["derive"] }
+clap = { version = "4.0.24", features = ["derive"] }
 color-eyre = "0.6.2"
 dotenv = "0.15.0"
-embed-nu = "0.3.3"
+embed-nu = "0.3.5"
 lazy_static = "1.4.0"
-libc = "0.2.135"
+libc = "0.2.137"
 paste = "1.0.9"
 rusty-value = { version = "0.6.0", features = ["derive", "json"] }
-serde = { version = "1.0.145", features = ["derive"] }
+serde = { version = "1.0.147", features = ["derive"] }
-serde_json = "1.0.86"
+serde_json = "1.0.87"
-sys-mount = "1.5.1"
+sys-mount = "2.0.1"
 thiserror = "1.0.37"
 tokio = { version = "1.21.2", features = ["rt", "io-std", "io-util", "process", "time", "macros", "tracing", "fs"] }
 toml = "0.5.9"
@@ -36,4 +36,4 @@ valico = "3.6.1"
 
 [build-dependencies]
 cargo_toml = "0.13.0"
-serde = { version = "1.0.145", features = ["derive"] }
+serde = { version = "1.0.147", features = ["derive"] }

src/task/exec_builder.rs

@@ -7,10 +7,8 @@ use crate::{distro::OSConfig, error::ScriptError, utils::CFG_PATH};
 
 #[derive(Clone)]
 pub struct ExecBuilder {
-    script: PathBuf,
-    script_contents: String,
-    os_config: OSConfig,
     task_config: embed_nu::Value,
+    ctx: Context,
 }
 
 impl ExecBuilder {
@@ -21,34 +19,36 @@ impl ExecBuilder {
     ) -> Result<Self, ScriptError> {
         let script_contents = Self::get_script_contents(&script)?;
 
-        Ok(Self {
-            script,
-            script_contents,
-            os_config,
-            task_config,
-        })
-    }
-
-    #[tracing::instrument(level = "trace", skip_all)]
-    pub fn exec(self) -> Result<(), ScriptError> {
         let mut ctx = Context::builder()
             .with_command_groups(CommandGroupConfig::default().all_groups(true))?
             .add_parent_env_vars()
-            .add_var("TRM_CONFIG", self.os_config)?
+            .add_var("TRM_CONFIG", os_config)?
-            .add_script(self.script_contents)?
+            .add_script(script_contents)?
             .build()?;
+        if !ctx.has_fn("main") {
+            Err(ScriptError::MissingMain(script))
+        } else {
+            Ok(Self { ctx, task_config })
+        }
+    }
 
-        if ctx.has_fn("main") {
+    #[tracing::instrument(level = "trace", skip_all)]
-            let pipeline = ctx.call_fn(
+    pub fn exec(mut self) -> Result<(), ScriptError> {
+        let pipeline = self.ctx.call_fn(
             "main",
             vec![Argument::Positional(self.task_config.into_expression())],
         )?;
-            ctx.print_pipeline_stderr(pipeline)?;
+        self.ctx.print_pipeline_stderr(pipeline)?;
 
         Ok(())
-        } else {
-            Err(ScriptError::MissingMain(self.script))
     }
+
+    /// Returns if the script needs to be run inside the new root
+    pub fn requires_chroot(&self) -> bool {
+        self.ctx
+            .get_var("run_in_chroot")
+            .and_then(|v| v.as_bool().ok())
+            .unwrap_or(false)
     }
 
     #[tracing::instrument(level = "trace", skip_all)]

src/task/task_executor.rs

@@ -1,5 +1,3 @@
-use std::process::Command;
-
 use crate::{
     distro::{distro_config::DistroConfig, OSConfig},
     error::AppResult,
@@ -66,24 +64,16 @@ impl TaskExecutor {
     pub async fn execute(&mut self) -> AppResult<()> {
         self.tasks.sort_by(Task::compare);
         let chroot = Chroot::create(&*ROOT_MNT).await?;
-        chroot
-            .run(move || {
-                Command::new("pacman")
-                    .args(["-S", "--noconfirm", "neofetch"])
-                    .spawn()
-                    .unwrap()
-                    .wait()
-                    .unwrap();
-                Command::new("neofetch").spawn().unwrap().wait().unwrap();
-            })
-            .await
-            .unwrap()?;
 
         for task in &self.tasks {
             if let Some(up_task) = task.up(&self.os_config)? {
+                if up_task.requires_chroot() {
+                    chroot.run(|| up_task.exec()).await.unwrap()??;
+                } else {
                     up_task.exec()?;
                 }
             }
+        }
 
         Ok(())
     }