1 files changed, 64 insertions, 0 deletions
diff --git a/vendor/gix/src/config/tree/sections/pack.rs b/vendor/gix/src/config/tree/sections/pack.rs
new file mode 100644
index 000000000..941817e5b
--- /dev/null
+++ b/vendor/gix/src/config/tree/sections/pack.rs
@@ -0,0 +1,64 @@
+use crate::{
+    config,
+    config::tree::{keys, Key, Pack, Section},
+};
+
+impl Pack {
+    /// The `pack.threads` key.
+    pub const THREADS: keys::UnsignedInteger =
+        keys::UnsignedInteger::new_unsigned_integer("threads", &config::Tree::PACK)
+            .with_deviation("Leaving this key unspecified uses all available cores, instead of 1");
+
+    /// The `pack.indexVersion` key.
+    pub const INDEX_VERSION: IndexVersion =
+        IndexVersion::new_with_validate("indexVersion", &config::Tree::PACK, validate::IndexVersion);
+}
+
+/// The `pack.indexVersion` key.
+pub type IndexVersion = keys::Any<validate::IndexVersion>;
+
+mod index_version {
+    use crate::{config, config::tree::sections::pack::IndexVersion};
+
+    impl IndexVersion {
+        /// Try to interpret an integer value as index version.
+        pub fn try_into_index_version(
+            &'static self,
+            value: Result<i64, gix_config::value::Error>,
+        ) -> Result<gix_pack::index::Version, config::key::GenericError> {
+            let value = value.map_err(|err| config::key::GenericError::from(self).with_source(err))?;
+            Ok(match value {
+                1 => gix_pack::index::Version::V1,
+                2 => gix_pack::index::Version::V2,
+                _ => return Err(config::key::GenericError::from(self)),
+            })
+        }
+    }
+}
+
+impl Section for Pack {
+    fn name(&self) -> &str {
+        "pack"
+    }
+
+    fn keys(&self) -> &[&dyn Key] {
+        &[&Self::THREADS, &Self::INDEX_VERSION]
+    }
+}
+
+mod validate {
+    use crate::{bstr::BStr, config::tree::keys};
+
+    pub struct IndexVersion;
+    impl keys::Validate for IndexVersion {
+        fn validate(&self, value: &BStr) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
+            super::Pack::INDEX_VERSION.try_into_index_version(gix_config::Integer::try_from(value).and_then(
+                |int| {
+                    int.to_decimal()
+                        .ok_or_else(|| gix_config::value::Error::new("integer out of range", value))
+                },
+            ))?;
+            Ok(())
+        }
+    }
+}