[cache_dump (rust)] First draft of cache_dump

src/bin/cache_dump.rs

@@ -0,0 +1,41 @@
+extern crate clap;
+extern crate thinp;
+
+use clap::{App, Arg};
+use std::path::Path;
+use thinp::cache::dump::{dump, CacheDumpOptions};
+
+//------------------------------------------
+
+fn main() {
+    let parser = App::new("cache_check")
+        .version(thinp::version::TOOLS_VERSION)
+        .arg(
+            Arg::with_name("INPUT")
+                .help("Specify the input device to check")
+                .required(true)
+                .index(1),
+        )
+        .arg(
+            Arg::with_name("REPAIR")
+                .help("")
+                .long("repair")
+                .value_name("REPAIR"),
+        );
+
+    let matches = parser.get_matches();
+    let input_file = Path::new(matches.value_of("INPUT").unwrap());
+
+    let opts = CacheDumpOptions {
+        dev: &input_file,
+        async_io: false,
+        repair: matches.is_present("REPAIR"),
+    };
+
+    if let Err(reason) = dump(opts) {
+        eprintln!("{}", reason);
+        std::process::exit(1);
+    }
+}
+
+//------------------------------------------