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## Local PR test and merge.md

      
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                adam-p
                / Local PR test and merge.md
            
            
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              August 3, 2024 16:45
            
              
                Testing a pull request, then merging locally; and avoiding TOCTOU
              
          
    It's not immediately obvious how to pull down the code for a PR and test it locally. But it's pretty easy. (This assumes you have a remote for the main repo named upstream.)
Getting the PR code


Make note of the PR number. For example, Rod's latest is PR #37: Psiphon-Labs/psiphon-tunnel-core#37


Fetch the PR's pseudo-branch (or bookmark or rev pointer whatever the word is), and give it a local branch name. Here we'll name it pr37:


$ git fetch upstream pull/37/head:pr37