rust: add function to check if an extension is enabled
This will be used in the next patch
Differential Revision: https://phab.mercurial-scm.org/D11812
--- a/rust/hg-core/src/config/config.rs Fri Dec 03 15:06:40 2021 +0100
+++ b/rust/hg-core/src/config/config.rs Fri Nov 26 15:05:58 2021 +0100
@@ -362,6 +362,15 @@
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(