unpack kernel

1 files changed, 15 insertions, 4 deletions

diff --git a/src/main.rs b/src/main.rs
index 8048fc2..231e55d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,7 @@
+use anyhow::bail;
 use std::fs::File;
 use std::path::Path;
+use std::process::Command;
 
 const LATEST: &str = "https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.1.1.tar.xz";
 
@@ -7,11 +9,9 @@ const CONFIG: &str = r#"
 CONFIG_IPV6=y
 "#;
 
-fn download_kernel() -> anyhow::Result<()> {
+fn download_kernel(file_name: &str) -> anyhow::Result<()> {
     println!("Downloading kernel source...");
 
-    let file_name = Path::new(LATEST).file_name().unwrap().to_str().unwrap();
-
     let mut file = File::create(file_name)?;
 
     reqwest::blocking::get(LATEST)?
@@ -23,7 +23,18 @@ fn download_kernel() -> anyhow::Result<()> {
 }
 
 fn main() -> anyhow::Result<()> {
-    download_kernel()?;
+    let file_name = Path::new(LATEST).file_name().unwrap().to_str().unwrap();
+
+    download_kernel(file_name)?;
+
+    let mut untar = Command::new("tar");
+    untar.arg("xf").arg(file_name);
+
+    if !untar.spawn()?.wait()?.success() {
+        bail!("untar failed");
+    }
+
+    println!("Kernel source unpacked successfully");
 
     Ok(())
 }