deb: add --inject to inject a package

src/main.rs

@@ -55,6 +55,8 @@ fn main() {
                 .arg(arg!(-s --series <series> "Target distribution series").required(false))
                 .arg(arg!(-a --arch <arch> "Target architecture").required(false))
                 .arg(arg!(--ppa <ppa> "Build the package adding a specific PPA for dependencies").required(false))
+                .arg(arg!(--inject <package> "Inject a package into the build environment (can be specified multiple times)")
+                    .long_help("Inject a package into the build environment before build-dep. Can be a .deb file path, a package name from the archive, or a package from a previously added PPA. Can be specified multiple times.").required(false).action(clap::ArgAction::Append))
                 .arg(arg!(--cross "Cross-compile for target architecture (instead of qemu-binfmt)")
                     .long_help("Cross-compile for target architecture (instead of using qemu-binfmt)\nNote that most packages cannot be cross-compiled").required(false))
                 .arg(arg!(--mode <mode> "Change build mode [sbuild, local]").required(false)
@@ -161,6 +163,15 @@ fn main() {
             let arch = sub_matches.get_one::<String>("arch").map(|s| s.as_str());
             let cross = sub_matches.get_one::<bool>("cross").unwrap_or(&false);
             let ppa = sub_matches.get_one::<String>("ppa").map(|s| s.as_str());
+            let inject_packages: Vec<&str> = sub_matches
+                .get_many::<String>("inject")
+                .map(|v| v.map(|s| s.as_str()).collect())
+                .unwrap_or_default();
+            let inject_packages = if inject_packages.is_empty() {
+                None
+            } else {
+                Some(inject_packages.as_slice())
+            };
             let mode: Option<&str> = sub_matches.get_one::<String>("mode").map(|s| s.as_str());
             let mode: Option<pkh::deb::BuildMode> = match mode {
                 Some("sbuild") => Some(pkh::deb::BuildMode::Sbuild),
@@ -169,8 +180,16 @@ fn main() {
             };
 
             if let Err(e) = rt.block_on(async {
-                pkh::deb::build_binary_package(arch, series, Some(cwd.as_path()), *cross, mode, ppa)
-                    .await
+                pkh::deb::build_binary_package(
+                    arch,
+                    series,
+                    Some(cwd.as_path()),
+                    *cross,
+                    mode,
+                    ppa,
+                    inject_packages,
+                )
+                .await
             }) {
                 error!("{}", e);
                 std::process::exit(1);