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//! exclude information
use crate::Repository;
impl Repository {
/// Configure a file-system cache for accessing git attributes *and* excludes on a per-path basis.
///
/// Use `attribute_source` to specify where to read attributes from. Also note that exclude information will
/// always try to read `.gitignore` files from disk before trying to read it from the `index`.
///
/// Note that no worktree is required for this to work, even though access to in-tree `.gitattributes` and `.gitignore` files
/// would require a non-empty `index` that represents a git tree.
///
/// This takes into consideration all the usual repository configuration, namely:
///
/// * `$XDG_CONFIG_HOME/…/ignore|attributes` if `core.excludesFile|attributesFile` is *not* set, otherwise use the configured file.
/// * `$GIT_DIR/info/exclude|attributes` if present.
// TODO: test, provide higher-level custom Cache wrapper that is much easier to use and doesn't panic when accessing entries
// by non-relative path.
pub fn attributes(
&self,
index: &gix_index::State,
attributes_source: gix_worktree::cache::state::attributes::Source,
ignore_source: gix_worktree::cache::state::ignore::Source,
exclude_overrides: Option<gix_ignore::Search>,
) -> Result<gix_worktree::Cache, crate::attributes::Error> {
let case = if self.config.ignore_case {
gix_glob::pattern::Case::Fold
} else {
gix_glob::pattern::Case::Sensitive
};
let (attributes, mut buf) = self.config.assemble_attribute_globals(
self.git_dir(),
attributes_source,
self.options.permissions.attributes,
)?;
let ignore =
self.config
.assemble_exclude_globals(self.git_dir(), exclude_overrides, ignore_source, &mut buf)?;
let state = gix_worktree::cache::State::AttributesAndIgnoreStack { attributes, ignore };
let attribute_list = state.id_mappings_from_index(index, index.path_backing(), ignore_source, case);
Ok(gix_worktree::Cache::new(
// this is alright as we don't cause mutation of that directory, it's virtual.
self.work_dir().unwrap_or(self.git_dir()),
state,
case,
buf,
attribute_list,
))
}
}
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