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Resolve conflicts only once with Git rerere

In Git we sometimes need to fix the same merge conflicts multiple times.
For example: When merging your feature branch into develop and later merging it into the main branch.

To prevent resolving the same merge conflicts over and over again, Git has a feature called rerere (Reuse Recorded Resolution).

Run the following command to enable rerere:

git config --global rerere.enabled true

Or edit the .gitconfig file directly and add:

  enabled = true

With rerere enabled, Git will record the resolution when you resolve a conflict. Later when Git encounters the same conflict: It automatically applies the recorded resolution, so you don't have to manually fix it yourself again.

See the documentation for more details.