deb: make tests parallel

src/deb/local.rs

@@ -1,11 +1,12 @@
 /// Local binary package building
 /// Directly calling 'debian/rules' in current context
-use crate::context;
+use crate::context::Context;
 use crate::deb::find_dsc_file;
 use log::warn;
 use std::collections::HashMap;
 use std::error::Error;
 use std::path::Path;
+use std::sync::Arc;
 
 use crate::apt;
 use crate::deb::cross;
@@ -20,14 +21,13 @@ pub async fn build(
     cross: bool,
     ppa: Option<&[&str]>,
     inject_packages: Option<&[&str]>,
+    ctx: Arc<Context>,
 ) -> Result<(), Box<dyn Error>> {
     // Environment
     let mut env = HashMap::<String, String>::new();
     env.insert("LANG".to_string(), "C".to_string());
     env.insert("DEBIAN_FRONTEND".to_string(), "noninteractive".to_string());
 
-    let ctx = context::current();
-
     // Parallel building: find local number of cores, and use that
     let num_cores = ctx
         .command("nproc")
@@ -52,11 +52,11 @@ pub async fn build(
 
     if cross {
         log::debug!("Setting up environment for local cross build...");
-        cross::setup_environment(&mut env, arch)?;
-        cross::ensure_repositories(arch, series)?;
+        cross::setup_environment(&mut env, arch, ctx.clone())?;
+        cross::ensure_repositories(arch, series, ctx.clone())?;
     }
 
-    let mut sources = apt::sources::load(None)?;
+    let mut sources = apt::sources::load(Some(ctx.clone()))?;
     let mut modified = false;
     let mut added_ppas: Vec<(&str, &str)> = Vec::new();
 
@@ -117,11 +117,12 @@ pub async fn build(
     }
 
     if modified {
-        apt::sources::save_legacy(None, sources, "/etc/apt/sources.list")?;
+        apt::sources::save_legacy(Some(ctx.clone()), sources, "/etc/apt/sources.list")?;
 
         // Download and import PPA keys for all added PPAs
         for (user, ppa_name) in added_ppas {
-            if let Err(e) = crate::apt::keyring::download_trust_ppa_key(None, user, ppa_name).await
+            if let Err(e) =
+                crate::apt::keyring::download_trust_ppa_key(Some(ctx.clone()), user, ppa_name).await
             {
                 warn!(
                     "Failed to download PPA key for {}/{}: {}",
@@ -205,7 +206,7 @@ pub async fn build(
 
     // If build-dep fails, we try to explain the failure using dose-debcheck
     if !status.success() {
-        dose3_explain_dependencies(package, version, arch, build_root, cross)?;
+        dose3_explain_dependencies(package, version, arch, build_root, cross, ctx.clone())?;
         return Err("Could not install build-dependencies for the build".into());
     }
 
@@ -222,7 +223,7 @@ pub async fn build(
 
     // If build-dep fails, we try to explain the failure using dose-debcheck
     if !status.success() {
-        dose3_explain_dependencies(package, version, arch, build_root, cross)?;
+        dose3_explain_dependencies(package, version, arch, build_root, cross, ctx.clone())?;
         return Err("Could not install build-dependencies for the build".into());
     }
 
@@ -261,9 +262,8 @@ fn dose3_explain_dependencies(
     arch: &str,
     build_root: &str,
     cross: bool,
+    ctx: Arc<Context>,
 ) -> Result<(), Box<dyn Error>> {
-    let ctx = context::current();
-
     // Construct the list of Packages files
     let mut bg_args = Vec::new();
     let mut cmd = ctx.command("apt-get");
@@ -285,7 +285,7 @@ fn dose3_explain_dependencies(
 
     // Transform the dsc file into a 'Source' stanza (replacing 'Source' with 'Package')
     // TODO: Remove potential GPG headers/signature
-    let dsc_path = find_dsc_file(build_root, package, version)?;
+    let dsc_path = find_dsc_file(build_root, package, version, &ctx)?;
     let mut dsc_content = ctx.read_file(&dsc_path)?;
     dsc_content = dsc_content.replace("Source", "Package");
     ctx.write_file(