Git check fails on MacOS

[Truffula]

The path created to the git repo folder for checking its status uses an explicit backslash instead of path.join() which causes it to throw an error on MacOS:

/path/to/repo/node_modules/ts-fix/dist/index.js:90
            throw new Error(err.message);
            ^

Error: Command failed: git --git-dir="/path/to/repo\.git" --work-tree="/path/to/repo" status --porcelain
fatal: not a git repository: '/path/to/repo\.git'

    at /path/to/repo/node_modules/ts-fix/dist/index.js:90:19
    at ChildProcess.exithandler (node:child_process:404:5)
    at ChildProcess.emit (node:events:390:28)
    at maybeClose (node:internal/child_process:1064:16)
    at Socket.<anonymous> (node:internal/child_process:450:11)
    at Socket.emit (node:events:390:28)
    at Pipe.<anonymous> (node:net:687:12)

The path is generated here.

This happens even with the --ignoreGitStatus flag.

[jakebailey]

Fixed by #23.