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Auto merge of #10846 - EmbarkStudios:fix-workspace-resolution, r=epage
Fix nested workspace resolution This fixes a bug that was introduced in #10776 with nested workspaces. As an example, say we have two workspaces: `/code/example/Cargo.toml` and `/code/example/sub/Cargo.toml`, and a crate within the `sub` workspace `/code/example/sub/test-crate/Cargo.toml`. Since the `ws_roots` is a HashMap with randomized ordering, this code will _sometimes_ cause the workspace at `/code/example/Cargo.toml` to be discovered and used _before_ `/code/example/sub/Cargo.toml`,b1dd22e668/src/cargo/core/workspace.rs (L1704-L1710)
This will then cause the `validate_members` method to fail as the member thinks it is a member of a different workspace than it should be.b1dd22e668/src/cargo/core/workspace.rs (L874-L891)
This change just makes it so that the input manifest path is walked up to find the (presumably) most appropriate workspace so that the ordering of the `HashMap` doesn't matter. If you encounter this bug by running cargo nightly, you can workaround it by adding the crate(s) to the `excluded` field in the workspace they don't belong to.
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commit
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@ -1702,10 +1702,17 @@ fn find_workspace_root_with_loader(
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mut loader: impl FnMut(&Path) -> CargoResult<Option<PathBuf>>,
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) -> CargoResult<Option<PathBuf>> {
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// Check if there are any workspace roots that have already been found that would work
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for (ws_root, ws_root_config) in config.ws_roots.borrow().iter() {
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if manifest_path.starts_with(ws_root) && !ws_root_config.is_excluded(manifest_path) {
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// Add `Cargo.toml` since ws_root is the root and not the file
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return Ok(Some(ws_root.join("Cargo.toml").clone()));
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{
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let roots = config.ws_roots.borrow();
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// Iterate through the manifests parent directories until we find a workspace
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// root. Note we skip the first item since that is just the path itself
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for current in manifest_path.ancestors().skip(1) {
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if let Some(ws_config) = roots.get(current) {
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if !ws_config.is_excluded(manifest_path) {
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// Add `Cargo.toml` since ws_root is the root and not the file
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return Ok(Some(current.join("Cargo.toml")));
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}
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}
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}
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}
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