exp: cross #2

src/deb/sbuild.rs

@@ -0,0 +1,51 @@
+/// Sbuild binary package building
+/// Call 'sbuild' with the dsc file to build the package with unshare
+use crate::context;
+use std::error::Error;
+use std::path::{Path, PathBuf};
+
+fn find_dsc_file(cwd: &Path, package: &str, version: &str) -> Result<PathBuf, Box<dyn Error>> {
+    let parent = cwd.parent().ok_or("Cannot find parent directory")?;
+    // Strip epoch from version (e.g., "1:2.3.4-5" -> "2.3.4-5")
+    let version_without_epoch = version.split_once(':').map(|(_, v)| v).unwrap_or(version);
+    let dsc_name = format!("{}_{}.dsc", package, version_without_epoch);
+    let dsc_path = parent.join(&dsc_name);
+
+    if !dsc_path.exists() {
+        return Err(format!("Could not find .dsc file at {}", dsc_path.display()).into());
+    }
+    Ok(dsc_path)
+}
+
+pub fn build(
+    cwd: &Path,
+    package: &str,
+    version: &str,
+    arch: &str,
+    series: &str,
+    build_root: &str,
+    cross: bool,
+) -> Result<(), Box<dyn Error>> {
+    let dsc_path = find_dsc_file(cwd, package, version)?;
+
+    let ctx = context::current();
+    let mut cmd = ctx.command("sbuild");
+    cmd.arg("--chroot-mode=unshare");
+
+    if cross {
+        cmd.arg(format!("--host={}", arch));
+    } else {
+        cmd.arg(format!("--arch={}", arch));
+    }
+    cmd.arg(format!("--dist={}", series));
+
+    // Add output directory argument
+    cmd.arg(format!("--build-dir={}", build_root));
+
+    let status = cmd.arg(dsc_path).status()?;
+
+    if !status.success() {
+        return Err(format!("sbuild failed with status: {}", status).into());
+    }
+    Ok(())
+}