feat: updater - remove external tar use

crates/cli/Cargo.toml

@@ -52,6 +52,7 @@ clap-markdown = { git = "https://github.com/getgrit/clap-markdown", rev = "4568d
 flate2 = { version = "1.0.17", features = [
   "rust_backend",
 ], default-features = false }
+tar = "0.4.38"
 
 opentelemetry-otlp = { version = "0.14.0", optional = true, features = [
   "http-proto",

crates/cli/src/updater.rs

@@ -11,12 +11,12 @@ use serde::Deserialize;
 use serde::Serialize;
 use std::collections::HashMap;
 use std::fmt;
+use std::io::Read;
 use std::path::PathBuf;
 use std::sync::Arc;
 use tokio::fs as async_fs;
 use tokio::fs::File;
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
-use tokio::process::Command as AsyncCommand;
 use tokio::sync::Mutex;
 use uuid::Uuid;
 
@@ -460,6 +460,19 @@ impl Updater {
         Ok(target_path)
     }
 
+    async fn uncompress_tarball(&self, packed_path: &PathBuf) -> Result<Vec<u8>> {
+        let mut bytes = vec![];
+        File::open(&packed_path)
+            .await?
+            .read_to_end(&mut bytes)
+            .await?;
+        let mut tarball_bytes = vec![];
+        let mut decoder = flate2::read::GzDecoder::new(bytes.as_slice());
+        decoder.read_to_end(&mut tarball_bytes)?;
+
+        Ok(tarball_bytes)
+    }
+
     async fn unpack_artifact(&self, app: SupportedApp, packed_path: PathBuf) -> Result<()> {
         let unpacked_dir = self.bin_path.join(format!("{}-bin", app.get_bin_name()));
         // Create the subdir
@@ -471,16 +484,10 @@ impl Updater {
             unpacked_dir.display()
         );
 
-        let output = AsyncCommand::new("tar")
-            .arg("-xzf")
-            .arg(packed_path)
-            .arg("-C")
-            .arg(&unpacked_dir)
-            .output()
-            .await?;
-
-        if !output.status.success() {
-            bail!("Failed to unpack files: {:?}", output);
+        let tarball_bytes = self.uncompress_tarball(&packed_path).await?;
+        let mut tarball = tar::Archive::new(tarball_bytes.as_slice());
+        if let Err(e) = tarball.unpack(&unpacked_dir) {
+            bail!("Failed to unpack files: {:?}", e);
         }
 
         let target_path = self.get_app_bin(&app)?;