Vendor dependencies for 0.3.0 release

vendor/sysinfo/tests/code_checkers/headers.rs

@@ -0,0 +1,58 @@
+// Take a look at the license at the top of the repository in the LICENSE file.
+
+use super::utils::{show_error, TestResult};
+use std::path::Path;
+
+pub fn check_license_header(content: &str, p: &Path) -> TestResult {
+    let mut lines = content.lines();
+    let next = lines.next();
+    let header = "// Take a look at the license at the top of the repository in the LICENSE file.";
+
+    match next {
+        Some(s) if s == header => {
+            let next = lines.next();
+            match next {
+                Some("") => TestResult {
+                    nb_tests: 1,
+                    nb_errors: 0,
+                },
+                Some(s) => {
+                    show_error(
+                        p,
+                        &format!("Expected empty line after license header, found `{s}`"),
+                    );
+                    TestResult {
+                        nb_tests: 1,
+                        nb_errors: 1,
+                    }
+                }
+                None => {
+                    show_error(p, "This file should very likely not exist...");
+                    TestResult {
+                        nb_tests: 1,
+                        nb_errors: 1,
+                    }
+                }
+            }
+        }
+        Some(s) => {
+            show_error(
+                p,
+                &format!(
+                    "Expected license header at the top of the file (`{header}`), found: `{s}`",
+                ),
+            );
+            TestResult {
+                nb_tests: 1,
+                nb_errors: 1,
+            }
+        }
+        None => {
+            show_error(p, "This (empty?) file should very likely not exist...");
+            TestResult {
+                nb_tests: 1,
+                nb_errors: 1,
+            }
+        }
+    }
+}