Git for Windows changes commit message?

Question

After doing

git commit -am '/logs whatever'

I end up with commit message C:/Program Files/Git/logs whatever. How does this happen? I did not succeed in finding any related information by googling things like 'git commit message autocomplete'.

$ git --version
git version 2.20.1.windows.1

$ bash --version
GNU bash, version 4.4.23(1)-release (x86_64-pc-msys)

Additional investigation The path does not have to exist, it's just appended to C:/Program Files/Git, but if it exists, things can be different (notice /usr/, both paths exist):

$ git commit -am '/bin/git.exe something'
[master 22f9915] C:/Program Files/Git/usr/bin/git.exe something

Strange, I did not reproduced the issue, using single or double quotes, with a CMD or a bash session... — VonC
– VonC, Commented Feb 20, 2019 at 5:48

Andrei · Accepted Answer · 2019-02-20 00:12:38Z

1

Apparently, this is a known issue. Johannes Schindelin, maintainer of Git for Windows, describes it and possible fixes:

If you specify command-line options starting with a slash, POSIX-to-Windows path conversion will kick in converting e.g. "/usr/bin/bash.exe" to "C:\Program Files\Git\usr\bin\bash.exe". When that is not desired -- e.g. "--upload-pack=/opt/git/bin/git-upload-pack" or "-L/regex/" -- you need to set the environment variable MSYS_NO_PATHCONV temporarily, like so:

MSYS_NO_PATHCONV=1 git blame -L/pathconv/ msys2_path_conv.cc

Alternatively, you can double the first slash to avoid POSIX-to-Windows path conversion.

Even though in your case this is not a path as such, just the fact that the message starts with a slash must be triggering this behavior.

answered Feb 20, 2019 at 0:12

Andrei

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