Merge pull request #1095 from cgwalters/lint-prep4

lints: More cleanup && lints: Check for invalid /etc/hostname and /etc/resolv.conf

Author: cgwalters

Cargo.lock

@@ -33,6 +33,7 @@ indoc = { workspace = true }
 libc = { workspace = true }
 liboverdrop = "0.1.0"
 libsystemd = "0.7"
+linkme = "0.3"
 openssl = { workspace = true }
 regex = "1.10.4"
 rustix = { workspace = true }

lib/Cargo.toml

@@ -1048,8 +1048,19 @@ async fn run_from_opt(opt: Opt) -> Result<()> {
                 if list {
                     return lints::lint_list(std::io::stdout().lock());
                 }
+                let warnings = if fatal_warnings {
+                    lints::WarningDisposition::FatalWarnings
+                } else {
+                    lints::WarningDisposition::AllowWarnings
+                };
+                let root_type = if rootfs == "/" {
+                    lints::RootType::Running
+                } else {
+                    lints::RootType::Alternative
+                };
+
                 let root = &Dir::open_ambient_dir(rootfs, cap_std::ambient_authority())?;
-                lints::lint(root, fatal_warnings, std::io::stdout().lock())?;
+                lints::lint(root, warnings, root_type, std::io::stdout().lock())?;
                 Ok(())
             }
         },