Changing capitalization of filenames in Git

Starting Git 2.0.1 (June 25th, 2014), a git mv will just work on a case-insensitive OS.

See commit baa37bf by David Turner (dturner-tw).

mv: allow renaming to fix case on case-insensitive filesystems

git mv hello.txt Hello.txt” on a case-insensitive filesystem always triggers “destination already exists” error, because these two names refer to the same path from the filesystem’s point of view and requires the user to give “--force” when correcting the case of the path recorded in the index and in the next commit.

Detect this case and allow it without requiring “--force“.

git mv hello.txt Hello.txt just works (no --force required anymore).

The other alternative is:

git config --global core.ignorecase false

And rename the file directly; git add and commit.

It does work in a CMD. It might fail in a git bash (on Windows) session (see Louis-Caron‘s answer)

As noted by jaquinocode in the comments, if your local repository itself has that setting:

git config --local core.ignorecase false

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