Git gutter breaks when filename case changes

[garyking]

Create a file and commit it to Git. Change the file's case, even just one letter, so that Test.js becomes test.js, for instance.

Then restart VSC, just to be sure. Open the test.js file. Modify it. No Git gutters will appear.

[joaomoreno]

@garyking Which OS are you on? Which version of Code?

Please don't ignore the issue template. It's there so I don't have to ask.

[garyking]

• VSCode Version: 1.22.2
• OS Version: Mac OS X 10.13.3

Steps to Reproduce:

1. Create a file and commit it to Git. Change the file's case, even just one letter, so that Test.js becomes test.js, for instance.

2. Then restart VSC, just to be sure. Open the test.js file. Modify it. No Git gutters will appear.

Does this issue occur when all extensions are disabled?: Yes

[blunket]

seems like a duplicate of #29861