From 07e9081fb5628e4ddc8f87e2d4ba0c7b3247bb35 Mon Sep 17 00:00:00 2001
From: Sebastian Thiel <sebastian.thiel@icloud.com>
Date: Wed, 9 Mar 2022 08:27:40 +0800
Subject: [PATCH] pass thread-limit along to checkout (#301)

---
 gitoxide-core/src/index/checkout.rs | 2 ++
 gitoxide-core/src/index/mod.rs      | 4 ++++
 src/plumbing/main.rs                | 1 +
 3 files changed, 7 insertions(+)

diff --git a/gitoxide-core/src/index/checkout.rs b/gitoxide-core/src/index/checkout.rs
index 1ec08cce7b1..3bbe1f269d9 100644
--- a/gitoxide-core/src/index/checkout.rs
+++ b/gitoxide-core/src/index/checkout.rs
@@ -17,6 +17,7 @@ pub fn checkout_exclusive(
         index: Options { object_hash, .. },
         empty_files,
         keep_going,
+        thread_limit,
     }: index::checkout_exclusive::Options,
 ) -> anyhow::Result<()> {
     let repo = repo
@@ -57,6 +58,7 @@ pub fn checkout_exclusive(
         destination_is_initially_empty: true,
         overwrite_existing: false,
         keep_going,
+        thread_limit,
         ..Default::default()
     };
 
diff --git a/gitoxide-core/src/index/mod.rs b/gitoxide-core/src/index/mod.rs
index 5ef24b94266..3a2af2460e4 100644
--- a/gitoxide-core/src/index/mod.rs
+++ b/gitoxide-core/src/index/mod.rs
@@ -29,6 +29,10 @@ pub mod checkout_exclusive {
         /// If true, all files will be written with zero bytes despite having made an ODB lookup.
         pub empty_files: bool,
         pub keep_going: bool,
+        /// If set, don't use more than this amount of threads.
+        /// Otherwise, usually use as many threads as there are logical cores.
+        /// A value of 0 is interpreted as no-limit
+        pub thread_limit: Option<usize>,
     }
 }
 
diff --git a/src/plumbing/main.rs b/src/plumbing/main.rs
index c08076f95e4..11ef6ed4bf1 100644
--- a/src/plumbing/main.rs
+++ b/src/plumbing/main.rs
@@ -102,6 +102,7 @@ pub fn main() -> Result<()> {
                             index: core::index::Options { object_hash, format },
                             empty_files,
                             keep_going,
+                            thread_limit,
                         },
                     )
                 },