status: Make warning message red

To increase visibility.

Signed-off-by: Colin Walters <[email protected]>

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/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.