D11812: rust: add function to check if an extension is enabled

[Alphare (Raphaël Gomès)]

Alphare created this revision.
Alphare added a comment.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.


  Pending CI refresh

REVISION SUMMARY
  This will be used in the next patch

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D11812

AFFECTED FILES
  rust/hg-core/src/config/config.rs

CHANGE DETAILS

diff --git a/rust/hg-core/src/config/config.rs b/rust/hg-core/src/config/config.rs
--- a/rust/hg-core/src/config/config.rs
+++ b/rust/hg-core/src/config/config.rs
@@ -361,6 +361,15 @@
         Ok(self.get_option(section, item)?.unwrap_or(false))
     }
 
+    /// Returns `true` if the extension is enabled, `false` otherwise
+    pub fn is_extension_enabled(&self, extension: &[u8]) -> bool {
+        let value = self.get(b"extensions", extension);
+        match value {
+            Some(c) => !c.starts_with(b"!"),
+            None => false,
+        }
+    }
+
     /// If there is an `item` value in `section`, parse and return a list of
     /// byte strings.
     pub fn get_list(



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