From e89a7ffd5384a1dc2c4068d8d0769f1e7138a645 Mon Sep 17 00:00:00 2001
From: holly sparkles <sparkles@holly.sh>
Date: Sat, 20 Jan 2024 12:30:43 +0100
Subject: [PATCH] feat: add directory recursion

---
 Cargo.lock  | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |  1 +
 src/cli.rs  | 12 ++++++------
 src/main.rs | 12 ++++++++++--
 4 files changed, 68 insertions(+), 8 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index a588ce3..674e3d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -173,6 +173,7 @@ dependencies = [
  "humantime",
  "serde",
  "tokio",
+ "walkdir",
 ]
 
 [[package]]
@@ -317,6 +318,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
 [[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
+[[package]]
 name = "scopeguard"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -427,12 +437,53 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
 [[package]]
+name = "walkdir"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71d857dc86794ca4c280d616f7da00d2dbfd8cd788846559a6813e6aa4b54ee"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
+[[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-util"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
 name = "windows-sys"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index 8a730cf..773ab76 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,3 +10,4 @@ clap = { version = "4.4.18", features = ["derive"] }
 humantime = "2.1.0"
 serde = { version = "1.0.195", features = ["derive"] }
 tokio = { version = "1.35.1", features = ["full"] }
+walkdir = "2.4.0"
diff --git a/src/cli.rs b/src/cli.rs
index 9b1e7d7..fd5beb0 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -5,12 +5,6 @@ use humantime::Duration;
 
 use crate::error::ParseError;
 
-/// Command line arguments for the application.
-///
-/// Fields:
-/// - `refresh_time`: Specifies the interval to wait before refreshing repositories.
-/// (Default: 10m)
-/// - `directory`: The directory path where git repositories are located.
 #[derive(Debug, Parser)]
 pub struct CliArgs {
     /// The time to wait before refreshing repositories.
@@ -24,6 +18,11 @@ pub struct CliArgs {
     #[clap(required = true)]
     #[arg(value_parser = parse_directory)]
     pub directory: PathBuf,
+
+    /// The limit to the depth of recursion in the directory tree.
+    /// Keep this number reasonable.
+    #[clap(short, long, default_value_t = 3)]
+    pub max_recursion_depth: usize,
 }
 
 impl Default for CliArgs {
@@ -31,6 +30,7 @@ impl Default for CliArgs {
         Self {
             refresh_time: parse_refresh_time("10m").unwrap(),
             directory: Default::default(),
+            max_recursion_depth: 3,
         }
     }
 }
diff --git a/src/main.rs b/src/main.rs
index f6a7496..c7ced96 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,7 @@
 use clap::Parser;
 use cli::CliArgs;
 use tokio::time::sleep;
+use walkdir::WalkDir;
 
 mod cli;
 mod error;
@@ -13,8 +14,15 @@ async fn main() {
 }
 
 async fn do_sync_task(args: CliArgs) {
-    // TODO: sync with git2
-    println!("I am awake! {:?}", args);
+    for dir in WalkDir::new(args.directory)
+        .max_depth(3)
+        .into_iter()
+        .filter_map(|err| err.ok())
+    {
+        // TODO: sync with git2
+        println!("TODO: sync {:?}", dir);
+    }
 
+    println!("Sleeping until the next refresh.");
     sleep(args.refresh_time.into()).await;
 }
--
libgit2 1.7.2