1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/gix/src/config/tree/sections/extensions.rs b/vendor/gix/src/config/tree/sections/extensions.rs
new file mode 100644
index 000000000..77130f804
--- /dev/null
+++ b/vendor/gix/src/config/tree/sections/extensions.rs
@@ -0,0 +1,59 @@
+use crate::{
+    config,
+    config::tree::{keys, Extensions, Key, Section},
+};
+
+impl Extensions {
+    /// The `extensions.worktreeConfig` key.
+    pub const WORKTREE_CONFIG: keys::Boolean = keys::Boolean::new_boolean("worktreeConfig", &config::Tree::EXTENSIONS);
+    /// The `extensions.objectFormat` key.
+    pub const OBJECT_FORMAT: ObjectFormat =
+        ObjectFormat::new_with_validate("objectFormat", &config::Tree::EXTENSIONS, validate::ObjectFormat).with_note(
+            "Support for SHA256 is prepared but not fully implemented yet. For now we abort when encountered",
+        );
+}
+
+/// The `core.checkStat` key.
+pub type ObjectFormat = keys::Any<validate::ObjectFormat>;
+
+mod object_format {
+    use std::borrow::Cow;
+
+    use crate::{bstr::BStr, config, config::tree::sections::extensions::ObjectFormat};
+
+    impl ObjectFormat {
+        pub fn try_into_object_format(
+            &'static self,
+            value: Cow<'_, BStr>,
+        ) -> Result<gix_hash::Kind, config::key::GenericErrorWithValue> {
+            if value.as_ref().eq_ignore_ascii_case(b"sha1") {
+                Ok(gix_hash::Kind::Sha1)
+            } else {
+                Err(config::key::GenericErrorWithValue::from_value(self, value.into_owned()))
+            }
+        }
+    }
+}
+
+impl Section for Extensions {
+    fn name(&self) -> &str {
+        "extensions"
+    }
+
+    fn keys(&self) -> &[&dyn Key] {
+        &[&Self::OBJECT_FORMAT, &Self::WORKTREE_CONFIG]
+    }
+}
+
+mod validate {
+    use crate::{bstr::BStr, config::tree::keys};
+
+    pub struct ObjectFormat;
+
+    impl keys::Validate for ObjectFormat {
+        fn validate(&self, value: &BStr) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
+            super::Extensions::OBJECT_FORMAT.try_into_object_format(value.into())?;
+            Ok(())
+        }
+    }
+}