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Diffstat (limited to 'crates/project-model/src/cargo_workspace.rs')
| -rw-r--r-- | crates/project-model/src/cargo_workspace.rs | 50 |
1 files changed, 47 insertions, 3 deletions
diff --git a/crates/project-model/src/cargo_workspace.rs b/crates/project-model/src/cargo_workspace.rs index 38eeedec62..db9c20fdc5 100644 --- a/crates/project-model/src/cargo_workspace.rs +++ b/crates/project-model/src/cargo_workspace.rs @@ -33,6 +33,8 @@ pub struct CargoWorkspace { workspace_root: AbsPathBuf, target_directory: AbsPathBuf, manifest_path: ManifestPath, + // Whether this workspace was queried with `--no-deps`. + no_deps: bool, } impl ops::Index<Package> for CargoWorkspace { @@ -260,6 +262,18 @@ impl CargoWorkspace { locked: bool, progress: &dyn Fn(String), ) -> anyhow::Result<cargo_metadata::Metadata> { + Self::fetch_metadata_(cargo_toml, current_dir, config, sysroot, locked, false, progress) + } + + fn fetch_metadata_( + cargo_toml: &ManifestPath, + current_dir: &AbsPath, + config: &CargoConfig, + sysroot: &Sysroot, + locked: bool, + no_deps: bool, + progress: &dyn Fn(String), + ) -> anyhow::Result<cargo_metadata::Metadata> { let targets = find_list_of_build_targets(config, cargo_toml, sysroot); let cargo = sysroot.tool(Tool::Cargo); @@ -314,6 +328,9 @@ impl CargoWorkspace { if locked { other_options.push("--locked".to_owned()); } + if no_deps { + other_options.push("--no-deps".to_owned()); + } meta.other_options(other_options); // FIXME: Fetching metadata is a slow process, as it might require @@ -324,6 +341,22 @@ impl CargoWorkspace { (|| -> Result<cargo_metadata::Metadata, cargo_metadata::Error> { let output = meta.cargo_command().output()?; if !output.status.success() { + if !no_deps { + // If we failed to fetch metadata with deps, try again without them. + // This makes r-a still work partially when offline. + if let Ok(metadata) = Self::fetch_metadata_( + cargo_toml, + current_dir, + config, + sysroot, + locked, + true, + progress, + ) { + return Ok(metadata); + } + } + return Err(cargo_metadata::Error::CargoMetadata { stderr: String::from_utf8(output.stderr)?, }); @@ -431,8 +464,8 @@ impl CargoWorkspace { pkg_data.targets.push(tgt); } } - let resolve = meta.resolve.expect("metadata executed with deps"); - for mut node in resolve.nodes { + let no_deps = meta.resolve.is_none(); + for mut node in meta.resolve.map_or_else(Vec::new, |it| it.nodes) { let &source = pkg_by_id.get(&node.id).unwrap(); node.deps.sort_by(|a, b| a.pkg.cmp(&b.pkg)); let dependencies = node @@ -451,7 +484,14 @@ impl CargoWorkspace { let target_directory = AbsPathBuf::assert(meta.target_directory); - CargoWorkspace { packages, targets, workspace_root, target_directory, manifest_path } + CargoWorkspace { + packages, + targets, + workspace_root, + target_directory, + manifest_path, + no_deps, + } } pub fn packages(&self) -> impl ExactSizeIterator<Item = Package> + '_ { @@ -533,6 +573,10 @@ impl CargoWorkspace { fn is_unique(&self, name: &str) -> bool { self.packages.iter().filter(|(_, v)| v.name == name).count() == 1 } + + pub fn no_deps(&self) -> bool { + self.no_deps + } } fn find_list_of_build_targets( |