deb: first implementation

src/deb.rs

@@ -0,0 +1,29 @@
+use std::error::Error;
+use std::path::Path;
+use std::process::Command;
+
+pub fn build_binary_package(cwd: Option<&Path>) -> Result<(), Box<dyn Error>> {
+    let cwd = cwd.unwrap_or_else(|| Path::new("."));
+
+    // Parse changelog to get package name and version
+    let changelog_path = cwd.join("debian/changelog");
+    let (package, version, _series) = crate::changelog::parse_changelog_header(&changelog_path)?;
+
+    // Construct dsc file name
+    let parent = cwd.parent().ok_or("Cannot find parent directory")?;
+    let dsc_name = format!("{}_{}.dsc", package, version);
+    let dsc_path = parent.join(&dsc_name);
+    if !dsc_path.exists() {
+        return Err(format!("Could not find .dsc file at {}", dsc_path.display()).into());
+    }
+
+    println!("Building {} using sbuild...", dsc_path.display());
+
+    let status = Command::new("sbuild").arg(dsc_path).status()?;
+
+    if !status.success() {
+        return Err(format!("sbuild failed with status: {}", status).into());
+    }
+
+    Ok(())
+}