[git] How to resolve merge conflicts in Git repository?

I either want my or their version in full, or want to review individual changes and decide for each of them.

Fully accept my or theirs version:

Accept my version (local, ours):

git checkout --ours -- <filename>
git add <filename>              # Marks conflict as resolved
git commit -m "merged bla bla"  # An "empty" commit

Accept their version (remote, theirs):

git checkout --theirs -- <filename>
git add <filename>
git commit -m "merged bla bla"

If you want to do for all conflict files run:

git merge --strategy-option ours

or

git merge --strategy-option theirs

Review all changes and accept them individually

  1. git mergetool
  2. Review changes and accept either version for each of them.
  3. git add <filename>
  4. git commit -m "merged bla bla"

Default mergetool works in command line. How to use a command line mergetool should be a separate question.

You can also install visual tool for this, e.g. meld and run

git mergetool -t meld

It will open local version (ours), "base" or "merged" version (the current result of the merge) and remote version (theirs). Save the merged version when you are finished, run git mergetool -t meld again until you get "No files need merging", then go to Steps 3. and 4.

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