'Git: Merge Specific File from Specific Commit

I have one version of a file at commit "#abc123" and the current version of the same file locally.

I want to MERGE, NOT REVERT, the two versions for only this file.

I read about some workarounds using "git cherry pick", but nothing direct.
Is there a simple way of doing this?

git

Solution 1:^[1]

I would:

make sure the current version of that file is committed.
switch to a new branch from the current commit:
```
  git switch -c tmp
```

restore that one file from the old commit, using git restore:

  git restore -s abc123 -SW -- aFile
  git restore --source=<tree> --staged --worktree -- <pathspec>

  git commit -m "restore old version of a file

Meaning: restore aFile content from commit abc123 -- the source --, and apply that content both to the index/cache (--staged), and the working tree -- where files are checked out: --worktree)

finally I can merge two commits, which will merge only that one file
```
  git switch main (or master)
  git merge tmp
```

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Solution 1

'Git: Merge Specific File from Specific Commit

Solution 1:[1]

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Related Questions

Solution 1:^[1]