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          Added symlink resolution for workspace-path-hash
          #15400
        
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            weihanglo
  merged 2 commits into
  rust-lang:master
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ranger-ross:build-dir-symlink-handling
  
      
      
   
  Apr 8, 2025 
      
    
                
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    Added symlink resolution for workspace-path-hash
  
  #15400
              
                    weihanglo
  merged 2 commits into
  rust-lang:master
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ranger-ross:build-dir-symlink-handling
  
      
      
   
  Apr 8, 2025 
              
            
      
        
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Thanks. Just some nits not really directly related to the change itself.
This commit resolves symlinks in the manifest path before hashing it.
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Thanks for working on this!
      
        
      
      
  
    22 tasks
  
    
  bors 
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      Apr 12, 2025 
    
    
      
  
    
      
    
  
Update cargo 12 commits in 0e93c5bf6a1d5ee7bc2af63d1afb16cd28793601..864f74d4eadcaea3eeda37a2e7f4d34de233d51e 2025-04-05 00:00:24 +0000 to 2025-04-11 20:37:27 +0000 - chore: Bump build-rs version (rust-lang/cargo#15421) - fix(build): Correct name of CARGO_CFG_FEATURE (rust-lang/cargo#15420) - Revert "fix(package): detect dirtiness for symlinks to submodule" (rust-lang/cargo#15419) - Improved error message when build-dir template var is invalid (rust-lang/cargo#15418) - Added validation for unmatched brackets in build-dir template (rust-lang/cargo#15414) - fix(package): detect dirtiness for symlinks to submodule (rust-lang/cargo#15416) - chore(deps): bump crossbeam-channel from 0.5.14 to 0.5.15 (rust-lang/cargo#15415) - docs(metadata): Added build_directory to cargo metadata documentation (rust-lang/cargo#15410) - Added symlink resolution for `workspace-path-hash` (rust-lang/cargo#15400) - feat: print target and package names formatted as file hyperlinks (rust-lang/cargo#15405) - docs(ref): Use better example value in `CARGO_CFG_TARGET_ABI` (rust-lang/cargo#15404) - chore: Bump cargo-util-schemas to 0.8.2 (rust-lang/cargo#15403) r? ghost
  
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      Labels
      
    A-configuration
  Area: cargo config files and env vars 
  
    A-testing-cargo-itself
  Area: cargo's tests 
  
    S-waiting-on-review
  Status: Awaiting review from the assignee but also interested parties. 
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What does this PR try to resolve?
This PR adds logic to resolve symlinks before hashing the
workspace-path-hashtemplate variable forbuild.build-dir.See #14125 (comment)
cc: #14125
Note: The behavior on unix systems is unchanged, as the manifest_path was already canonicalized (at least on my system and in CI). However, the Windows behavior did not do this previous.
How should we test and review this PR?
I added a test which runs
cargo buildtwice, once from the real directory and once from inside of a symlinked directory, then verifies that hashes match.The change is only a few lines. Most of the diffs are testing code
r? @epage