fatal: not a git repository

[cakeinpanic]

Hi!

Have some problems with running the action, take a look please:

Traceback (most recent call last):
 File "/entrypoint.py", line 53, in <module>
 run()
 File "/entrypoint.py", line 47, in run
 debug(git(['checkout', '-B', branch]))
 File "/usr/local/lib/python3.7/site-packages/plumbum/commands/base.py", line 96, in __call__
 return self.run(args, **kwargs)[1]
 File "/usr/local/lib/python3.7/site-packages/plumbum/commands/base.py", line 232, in run
 return p.run()
 File "/usr/local/lib/python3.7/site-packages/plumbum/commands/base.py", line 193, in runner
 return run_proc(p, retcode, timeout)
 File "/usr/local/lib/python3.7/site-packages/plumbum/commands/processes.py", line 302, in run_proc
 return _check_process(proc, retcode, timeout, stdout, stderr)
 File "/usr/local/lib/python3.7/site-packages/plumbum/commands/processes.py", line 22, in _check_process
 proc.verify(retcode, timeout, stdout, stderr)
 File "/usr/local/lib/python3.7/site-packages/plumbum/machines/base.py", line 26, in verify
 stderr)
plumbum.commands.processes.ProcessExecutionError: Unexpected exit code: 128
Command line: | /usr/bin/git checkout -B master
Stderr: | fatal: not a git repository (or any parent up to mount point /github)
 | Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).

configuration:

 push-build:
 needs: build-test # another job
 if: needs.build-test.outputs.LIB_DIFF
 runs-on: ubuntu-16.04
 steps:
 - name: "archive lib when diff"
 uses: github-actions-x/commit@v2.6
 with:
 github-token: ${{ secrets.GITHUB_TOKEN }}
 commit-message: 'build action'
 files: lib
 name: Build action bot
 email: buildaction@bot.bot

[cakeinpanic]

It may be connected to the fact. I have added another remote on my local machine. But I have removed it, re-initialized repo, but it did not help :(