Two minor error/logging improvements

lib/Cargo.toml

@@ -11,6 +11,8 @@ rust-version = "1.64.0"
 include = ["/src", "LICENSE-APACHE", "LICENSE-MIT"]
 
 [dependencies]
+anstream = "0.6.4"
+anstyle = "1.0.4"
 anyhow = "1.0"
 camino = { version = "1.0.4", features = ["serde1"] }
 ostree-ext = "0.12"

lib/src/install.rs

@@ -790,6 +790,10 @@ async fn prepare_install(
  crate::cli::require_root()?;
  require_systemd_pid1()?;
 
+ if cfg!(target_arch = "s390x") {
+ anyhow::bail!("Installation is not supported on this architecture yet");
+ }
+
  let rootfs = cap_std::fs::Dir::open_ambient_dir("/", cap_std::ambient_authority())
  .context("Opening /")?;
 

lib/src/status.rs

@@ -262,7 +262,7 @@ pub(crate) async fn status(opts: super::cli::StatusOpts) -> Result<()> {
  host
  };
 
- eprintln!("note: The format of this API is not yet stable");
+ crate::utils::warning("note: The format of this API is not yet stable");
 
  // If we're in JSON mode, then convert the ostree data into Rust-native
  // structures that can be serialized.

lib/src/utils.rs

@@ -60,6 +60,15 @@ pub(crate) fn spawn_editor(tmpf: &tempfile::NamedTempFile) -> Result<()> {
  Ok(())
 }
 
+/// Output a warning message
+pub(crate) fn warning(s: &str) {
+ anstream::eprintln!(
+ "{}{s}{}",
+ anstyle::AnsiColor::Red.render_fg(),
+ anstyle::Reset.render()
+ );
+}
+
 /// Given a possibly tagged image like quay.io/foo/bar:latest and a digest 0ab32..., return
 /// the digested form quay.io/foo/bar:latest@sha256:0ab32...
 /// If the image already has a digest, it will be replaced.