add hello-world binary

Cargo.lock

@@ -2,11 +2,15 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "hello"
+version = "0.1.0"
+
 [[package]]
 name = "libc"
-version = "0.2.172"
+version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
+checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
 [[package]]
 name = "nit"

Cargo.toml

@@ -1,12 +1,6 @@
-[package]
+[workspace]
-name = "nit"
+resolver = "2"
-version = "0.1.0"
+members = [
-edition = "2024"
+	"crates/nit",
-license = "MIT"
+	"crates/hello",
-
+]
-[features]
-aws = []
-default = ["aws"]
-
-[dependencies]
-libc = "0.2.172"

Containerfile

@@ -21,6 +21,7 @@ WORKDIR /src
 RUN cargo build ${CARGOFLAGS}
 WORKDIR /build_cpio
 RUN cp /src/target/${TARGET}/release/nit init
+RUN cp /src/target/${TARGET}/release/hello hello
 ENV KBUILD_BUILD_TIMESTAMP=1
 COPY <<-EOF initramfs.list
 	file /init     init    0755 0 0
@@ -33,6 +34,7 @@ COPY <<-EOF initramfs.list
 	dir  /sys              0755 0 0
 	dir  /usr              0755 0 0
 	dir  /usr/bin          0755 0 0
+	file /usr/bin/hello hello 0755 0 0
 	dir  /usr/sbin         0755 0 0
 	dir  /dev              0755 0 0
 	dir  /dev/shm          0755 0 0

crates/hello/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "hello"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

crates/hello/src/main.rs

@@ -0,0 +1,6 @@
+fn main() {
+    println!("Hello, world!");
+    loop {
+        std::thread::sleep(std::time::Duration::from_secs(5));
+    }
+}

crates/nit/Cargo.lock

@@ -0,0 +1,16 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "libc"
+version = "0.2.172"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
+
+[[package]]
+name = "nit"
+version = "0.1.0"
+dependencies = [
+ "libc",
+]

crates/nit/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "nit"
+version = "0.1.0"
+edition = "2024"
+license = "MIT"
+
+[features]
+aws = []
+default = ["aws"]
+
+[dependencies]
+libc = "0.2.172"

crates/nit/src/config.rs

@@ -39,7 +39,7 @@ pub fn get_config() -> Result<Config> {
 
     let platform = platform::get_current_platform(values.remove("platform").as_deref())?;
 
-    let target = values.remove("target").unwrap_or(String::from("/bin/sh"));
+    let target = values.remove("target").unwrap_or(String::from("/usr/bin/hello"));
 
     Ok(Config { platform, mode, target })
 }