Rust: QLTest: delete Cargo.lock files

Author: aibaars

rust/extractor/src/qltest.rs

@@ -46,7 +46,7 @@ path = "main.rs"
             manifest.push_str(dep);
             manifest.push('\n');
         }
-    }
+    }   
     fs::write("Cargo.toml", manifest).context("writing Cargo.toml")
 }
 
@@ -58,9 +58,18 @@ fn set_sources(config: &mut Config) -> anyhow::Result<()> {
     Ok(())
 }
 
+fn remove_file_if_exists(path: &Path) -> anyhow::Result<()> {
+    match fs::remove_file(path) {
+        Err(e) if e.kind() == std::io::ErrorKind::NotFound => Ok(()),
+        x => x,
+    }
+    .context("removing file")
+}
+
 pub(crate) fn prepare(config: &mut Config) -> anyhow::Result<()> {
     dump_lib()?;
     set_sources(config)?;
+    remove_file_if_exists(Path::new("Cargo.lock"))?;
     dump_cargo_manifest(&config.qltest_dependencies)?;
     if config.qltest_cargo_check {
         let status = Command::new("cargo")