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To overwrite a local file with the repository version, select the file and click Pull.
To retain the local file, do not select the checkbox and click Pull. To overwrite the version in the GitHub repository with the local file, commit it.
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...
To overwrite a local file with the repository version, select the file and click Pull.
To retain the local file, do not select the checkbox and click Pull. To overwrite the version in the GitHub repository with the local file, commit it.
...