Try #1201:

Author: bors[bot]

.changes/962.json

@@ -0,0 +1,5 @@
+{
+    "description": "fix SELinux labels to allow use in multiple containers and/or the host filesystem.",
+    "type": "fixed",
+    "issues": [961]
+}

CHANGELOG.md

@@ -7,6 +7,12 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased] - ReleaseDate
 
+## [v0.2.5] - 2023-02-03
+
+## Fixed
+
+- #962 - fix SELinux labels to allow use in multiple containers and/or the host filesystem.
+
 ## [v0.2.4] - 2022-07-10
 
 ## Fixed
@@ -364,7 +370,9 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 <!-- prettier-ignore-start -->
 <!-- next-url -->
 
-[Unreleased]: https://github.com/cross-rs/cross/compare/v0.2.4...HEAD
+[Unreleased]: https://github.com/cross-rs/cross/compare/v0.2.5...HEAD
+
+[v0.2.5]: https://github.com/cross-rs/cross/compare/v0.2.4...v0.2.5
 
 [v0.2.4]: https://github.com/cross-rs/cross/compare/v0.2.3...v0.2.4
 

Cargo.lock

@@ -6,7 +6,7 @@ keywords = ["cross", "compilation", "testing", "tool"]
 license = "MIT OR Apache-2.0"
 name = "cross"
 repository = "https://github.com/cross-rs/cross"
-version = "0.2.4"
+version = "0.2.5"
 edition = "2021"
 include = [
   "src/**/*",
@@ -66,7 +66,6 @@ once_cell = "1"
 walkdir = "2"
 
 [package.metadata.release]
-dev-version = false
 push = false
 publish = false
 tag = false

Cargo.toml

@@ -0,0 +1,2 @@
+ARG CROSS_IMAGE
+FROM $CROSS_IMAGE

Dockerfile.hack

@@ -12,7 +12,7 @@ vulnerability = "deny"
 unmaintained = "deny"
 notice = "deny"
 unsound = "deny"
-ignore = []
+ignore = ["RUSTSEC-2021-0145"]
 
 [bans]
 multiple-versions = "deny"

deny.toml

@@ -39,29 +39,29 @@ pub(crate) fn run(
     docker_user_id(&mut docker, engine.kind);
 
     docker
-        .args(&["-v", &format!("{}:/xargo:Z", dirs.xargo.to_utf8()?)])
-        .args(&["-v", &format!("{}:/cargo:Z", dirs.cargo.to_utf8()?)])
+        .args(&["-v", &format!("{}:/xargo:z", dirs.xargo.to_utf8()?)])
+        .args(&["-v", &format!("{}:/cargo:z", dirs.cargo.to_utf8()?)])
         // Prevent `bin` from being mounted inside the Docker container.
         .args(&["-v", "/cargo/bin"]);
     if mount_volumes {
         docker.args(&[
             "-v",
-            &format!("{}:{}:Z", dirs.host_root.to_utf8()?, dirs.mount_root),
+            &format!("{}:{}:z", dirs.host_root.to_utf8()?, dirs.mount_root),
         ]);
     } else {
-        docker.args(&["-v", &format!("{}:/project:Z", dirs.host_root.to_utf8()?)]);
+        docker.args(&["-v", &format!("{}:/project:z", dirs.host_root.to_utf8()?)]);
     }
     docker
-        .args(&["-v", &format!("{}:/rust:Z,ro", dirs.sysroot.to_utf8()?)])
-        .args(&["-v", &format!("{}:/target:Z", dirs.target.to_utf8()?)]);
+        .args(&["-v", &format!("{}:/rust:z,ro", dirs.sysroot.to_utf8()?)])
+        .args(&["-v", &format!("{}:/target:z", dirs.target.to_utf8()?)]);
     docker_cwd(&mut docker, &paths, mount_volumes)?;
 
     // When running inside NixOS or using Nix packaging we need to add the Nix
     // Store to the running container so it can load the needed binaries.
     if let Some(ref nix_store) = dirs.nix_store {
         docker.args(&[
             "-v",
-            &format!("{}:{}:Z", nix_store.to_utf8()?, nix_store.as_posix()?),
+            &format!("{}:{}:z", nix_store.to_utf8()?, nix_store.as_posix()?),
         ]);
     }
 

src/docker/local.rs

@@ -77,14 +77,17 @@ fn locate_dockerfile(
     cross_toolchain_root: &Path,
 ) -> cross::Result<(crate::ImageTarget, String)> {
     let dockerfile_name = format!("Dockerfile.{target}");
-    let dockerfile_root = if cross_toolchain_root.join(&dockerfile_name).exists() {
+    let _dockerfile_root = if cross_toolchain_root.join(&dockerfile_name).exists() {
         &cross_toolchain_root
     } else if docker_root.join(&dockerfile_name).exists() {
         &docker_root
     } else {
         eyre::bail!("unable to find dockerfile for target \"{target}\"");
     };
-    let dockerfile = dockerfile_root.join(dockerfile_name).to_utf8()?.to_string();
+    let dockerfile = super::util::project_dir(&mut MessageInfo::default())?
+        .join("Dockerfile.hack")
+        .to_utf8()?
+        .to_string();
     Ok((target, dockerfile))
 }
 
@@ -243,6 +246,11 @@ pub fn build_docker_image(
             docker_build.args(&["--build-arg", "VERBOSE=1"]);
         }
 
+        docker_build.args([
+            "--build-arg",
+            &format!("CROSS_IMAGE={}", target.image_name(&repository, "0.2.4")),
+        ]);
+
         if target.needs_workspace_root_context() {
             docker_build.arg(&root);
         } else {