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// SPDX-License-Identifier: GPL-3.0-only
use super::ConflictIndex;
use crate::{
SourceKind, SourceMeta,
reports::{ConflictSourceEntry, ConflictsReport, ShadowedReport, ShadowedSource},
};
use std::path::{Path, PathBuf};
impl ConflictIndex {
/// Build a [`ConflictsReport`] listing every source's overrides and overridden files.
///
/// When `use_relative` is `true`, paths are relative VFS keys; otherwise
/// they are joined with the source directory to form absolute paths.
#[must_use]
pub fn conflicts_report(&self, use_relative: bool) -> ConflictsReport {
let sources = self
.source_meta
.iter()
.enumerate()
.map(|(i, source)| {
let resolve = |p: &PathBuf| -> PathBuf { report_path(source, p, use_relative) };
let mut overrides: Vec<PathBuf> =
self.conflicts[i].overrides.iter().map(resolve).collect();
let mut overridden_by: Vec<PathBuf> = self.conflicts[i]
.overridden_by
.iter()
.map(resolve)
.collect();
overrides.sort();
overridden_by.sort();
ConflictSourceEntry {
path: source.path.clone(),
overrides,
overridden_by,
}
})
.collect();
ConflictsReport { sources }
}
/// Build a [`ShadowedReport`] listing sources whose files are entirely overridden.
///
/// A source is "shadowed" when every file in the source is superseded by a
/// higher-priority source.
#[must_use]
pub fn shadowed_report(&self, use_relative: bool) -> ShadowedReport {
self.shadowed_report_with_files(use_relative, true)
}
/// Build a [`ShadowedReport`] with optional per-file listings.
///
/// A source is still considered shadowed using the full provider index. When `list_files` is
/// false, each returned [`ShadowedSource`] has an empty `shadowed_files` list so summary reports
/// do not serialize every overridden key.
#[must_use]
pub fn shadowed_report_with_files(
&self,
use_relative: bool,
list_files: bool,
) -> ShadowedReport {
let sources = self
.source_meta
.iter()
.enumerate()
.filter_map(|(i, source)| {
if self.source_file_counts[i] == 0
|| self.conflicts[i].overridden_by.len() != self.source_file_counts[i]
{
return None;
}
let shadowed_files = if list_files {
let resolve = |p: &PathBuf| -> PathBuf { report_path(source, p, use_relative) };
let mut shadowed_files: Vec<PathBuf> = self.conflicts[i]
.overridden_by
.iter()
.map(resolve)
.collect();
shadowed_files.sort();
shadowed_files
} else {
Vec::new()
};
Some(ShadowedSource {
path: source.path.clone(),
shadowed_files,
})
})
.collect();
ShadowedReport { sources }
}
}
fn report_path(source: &SourceMeta, key: &Path, use_relative: bool) -> PathBuf {
if use_relative {
return key.to_path_buf();
}
if source.kind == SourceKind::Archive {
return PathBuf::from(format!("{}::{}", source.path.display(), key.display()));
}
source.path.join(key)
}