parallelize git pull

fixes #21

Cargo.lock

@@ -506,6 +506,31 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
+
 [[package]]
 name = "crypto-common"
 version = "0.1.7"
@@ -956,6 +981,7 @@ dependencies = [
  "opener",
  "owo-colors",
  "petname",
+ "rayon",
  "reqwest",
  "serde",
  "serde_json",
@@ -2002,6 +2028,26 @@ dependencies = [
  "getrandom 0.3.4",
 ]
 
+[[package]]
+name = "rayon"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb39b166781f92d482534ef4b4b1b2568f42613b53e5b6c160e24cfbfa30926d"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22e18b0f0062d30d4230b2e85ff77fdfe4326feb054b9783a3460d8435c8ab91"
+dependencies = [
+ "crossbeam-deque",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.10"

Cargo.toml

@@ -39,6 +39,7 @@ zip = "8.1.0"
 sha2 = "0.11.0-rc.5"
 base16ct = { version = "1.0.0", features = ["alloc"] }
 indicatif = "0.18.4"
+rayon = "1.12.0"
 
 hyper-reverse-proxy = { version = "0.5.2-dev", git = "https://github.com/chpio/hyper-reverse-proxy", rev = "6934877eb74465204f605cc1c05ca5a9772db7c0" }
 hyper = "1.8.1"

src/git.rs

@@ -4,6 +4,8 @@ use git2::build::CheckoutBuilder;
 use git2::{Branch, BranchType, Repository, RepositoryState};
 use indicatif::{MultiProgress, ProgressBar, ProgressStyle};
 use miette::{Context, IntoDiagnostic};
+use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
+use rayon::ThreadPoolBuilder;
 use std::fs::read_dir;
 use std::iter::once;
 use std::path::PathBuf;
@@ -88,11 +90,18 @@ pub fn pull_all(config: &HazeConfig) -> Result<()> {
     let progress = MultiProgress::new();
     let pull_style = ProgressStyle::with_template("{spinner:.green} {msg}").unwrap();
 
-    for app_dir in find_app_repos(config)? {
+    let pool = ThreadPoolBuilder::new()
+        .num_threads(8)
+        .build()
+        .into_diagnostic()?;
+    let repos = find_app_repos(config)?.collect::<Vec<_>>();
+
+    pool.install(|| {
+        repos.par_iter().for_each(|app_dir| {
             let app_name = app_dir.file_name().unwrap().to_string_lossy();
-        let repo = Repository::init(&app_dir)
+            let Ok(repo) = Repository::init(&app_dir) else {
-            .into_diagnostic()
+                return;
-            .wrap_err_with(|| format!("Failed to open repository {}", app_dir.display()))?;
+            };
             let branch_name = current_branch_name(&repo).unwrap_or("unknown".into());
 
             let bar = ProgressBar::new_spinner().with_style(pull_style.clone());
@@ -108,29 +117,36 @@ pub fn pull_all(config: &HazeConfig) -> Result<()> {
             };
 
             if repo.state() != RepositoryState::Clean {
-            bar.set_message(msg("repository not clean ❌"));
+                bar.set_message(msg(" ⨯ repository not clean"));
                 bar.finish();
-            continue;
+                return;
             }
 
             bar.set_message(msg(""));
 
-        let output = Command::new(GIT_BINARY)
+            let output = match Command::new(GIT_BINARY)
                 .arg("pull")
                 .current_dir(&app_dir)
                 .output()
-            .into_diagnostic()
+            {
-            .wrap_err_with(|| format!("Failed to run git pull for {}", app_dir.display()))?;
+                Ok(output) => output,
+                Err(error) => {
+                    bar.set_message(msg(&format!(" ⨯ {error}")));
+                    return;
+                }
+            };
 
             if output.status.success() {
                 bar.set_message(msg(" ✓"));
             } else {
                 let err = String::from_utf8_lossy(&output.stderr);
                 let err_line = err.lines().next().unwrap();
-            bar.set_message(msg(&format!(" ❌ {err_line}")));
+                bar.set_message(msg(&format!(" ⨯ {err_line}")));
             }
             bar.finish();
-    }
+        });
+    });
+
     Ok(())
 }