2526fdea48
### What changes were proposed in this pull request? Currently Binder link at Spark 3.1.1 (https://mybinder.org/v2/gh/apache/spark/v3.1.1-rc3?filepath=python%2Fdocs%2Fsource%2Fgetting_started%2Fquickstart.ipynb) shows `v3.1.1-rc3` like:  After the fix, it will shows the explicit hash:  In addition, this also fixes the examples URL while I am fixing it. For example: https://github.com/apache/spark/tree/v3.1.1-rc3/examples/src/main/python -> https://github.com/apache/spark/tree/1d550c4e902/examples/src/main/python Note that it is hash in order to make both dev and release easier. ### Why are the changes needed? To hide RC tags. ### Does this PR introduce _any_ user-facing change? It will just change the URL shown when Binder is being loaded. ### How was this patch tested? Manually tested: ```bash make clean html ```  ```bash git_hash=`git rev-parse --short HEAD` export GIT_HASH=$git_hash make clean html ```  Closes #31773 from HyukjinKwon/SPARK-34657. Authored-by: HyukjinKwon <gurwls223@apache.org> Signed-off-by: HyukjinKwon <gurwls223@apache.org> |
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