Start implementing thawing of repos

Signed-off-by: ATechnoHazard <amolele@gmail.com>

src/main.rs

@@ -10,14 +10,26 @@ struct PersistableRepo {
 }
 
 fn main() -> anyhow::Result<()> {
-    let dir = match std::env::args().nth(1) {
+    let dir = match std::env::args().nth(2) {
         Some(d) => d,
         None => {
-            println!("Usage:\n  gitice <dir>\n");
+            println!("Usage:\n  gitice <command> <dir>\n");
             return Ok(());
         }
     };
 
+    // temporary solution to support both freezing and thawing
+    match std::env::args().nth(1).as_ref().map(|s| &s[..]) {
+        Some("freeze") => freeze_repos(dir),
+        Some("thaw") => thaw_repos(dir),
+        _ => {
+            println!("Usage:\n  gitice <command> <dir>\n");
+            Ok(())
+        }
+    }
+}
+
+fn freeze_repos(dir: String) -> anyhow::Result<()> {
     let mut repos: HashMap<String, PersistableRepo> = HashMap::new();
     for entry in WalkDir::new(dir.clone()).into_iter().filter_map(|e| e.ok()) {
         if entry.file_type().is_dir() {
@@ -60,3 +72,7 @@ fn main() -> anyhow::Result<()> {
     fs::write("gitice.lock", toml::to_string(&repos)?).expect("could not write to lockfile!");
     Ok(())
 }
+
+fn thaw_repos(_dir: String) -> anyhow::Result<()> {
+    Ok(())
+}