1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/gix/src/config/tree/sections/checkout.rs b/vendor/gix/src/config/tree/sections/checkout.rs
new file mode 100644
index 000000000..27f31ee84
--- /dev/null
+++ b/vendor/gix/src/config/tree/sections/checkout.rs
@@ -0,0 +1,58 @@
+use crate::{
+    config,
+    config::tree::{keys, Checkout, Key, Section},
+};
+
+impl Checkout {
+    /// The `checkout.workers` key.
+    pub const WORKERS: Workers = Workers::new_with_validate("workers", &config::Tree::CHECKOUT, validate::Workers)
+        .with_deviation("if unset, uses all cores instead of just one");
+}
+
+/// The `checkout.workers` key.
+pub type Workers = keys::Any<validate::Workers>;
+
+impl Section for Checkout {
+    fn name(&self) -> &str {
+        "checkout"
+    }
+
+    fn keys(&self) -> &[&dyn Key] {
+        &[&Self::WORKERS]
+    }
+}
+
+mod workers {
+    use crate::config::tree::checkout::Workers;
+
+    impl Workers {
+        /// Return the amount of threads to use for checkout, with `0` meaning all available ones, after decoding our integer value from `config`,
+        /// or `None` if the value isn't set which is typically interpreted as "as many threads as available"
+        pub fn try_from_workers(
+            &'static self,
+            value: Result<i64, gix_config::value::Error>,
+        ) -> Result<usize, crate::config::checkout::workers::Error> {
+            match value {
+                Ok(v) if v < 0 => Ok(0),
+                Ok(v) => Ok(v.try_into().expect("positive i64 can always be usize on 64 bit")),
+                Err(err) => Err(crate::config::key::Error::from(&super::Checkout::WORKERS).with_source(err)),
+            }
+        }
+    }
+}
+
+///
+pub mod validate {
+    use crate::{bstr::BStr, config::tree::keys};
+
+    pub struct Workers;
+    impl keys::Validate for Workers {
+        fn validate(&self, value: &BStr) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
+            super::Checkout::WORKERS.try_from_workers(gix_config::Integer::try_from(value).and_then(|i| {
+                i.to_decimal()
+                    .ok_or_else(|| gix_config::value::Error::new("Integer overflow", value.to_owned()))
+            }))?;
+            Ok(())
+        }
+    }
+}