Backport 987087df9002 to release/18.x

[SixWeining]

/cherry-pick baba7e4

This can address buildbot failures:

• http://45.33.8.238/macm1/77360/step_11.txt
• http://45.33.8.238/linux/128902/step_12.txt

[SixWeining]

Hi @tstellar, I know release/18.x is just created. May I cherry-pick this fix into 18.x?

[llvmbot]

@llvm/issue-subscribers-debuginfo

Author: Lu Weining (SixWeining)

/cherry-pick baba7e4

This can address buildbot failures:

• http://45.33.8.238/macm1/77360/step_11.txt
• http://45.33.8.238/linux/128902/step_12.txt

[nikic]

Failed workflow: https://github.com/llvm/llvm-project/actions/runs/7635785866/job/20801796617 I think it's because empty --phab-token eats the next arg.

[SixWeining]

Failed workflow: https://github.com/llvm/llvm-project/actions/runs/7635785866/job/20801796617 I think it's because empty --phab-token eats the next arg.

I agree. And thanks for the fix.

[nikic]

/cherry-pick baba7e4

[nikic]

Now it fails with (https://github.com/llvm/llvm-project/actions/runs/7638782349/job/20810392396):

cherry-picking ['baba7e4175b6ca21e83b1cf8229f29dbba02e979']
Pushing to https://***@github.com/llvmbot/llvm-project issue79253
Traceback (most recent call last):
  File "/home/runner/work/llvm-project/llvm-project/./llvm/utils/git/github-automation.py", line 679, in <module>
    parser.add_argument(
  File "/home/runner/work/llvm-project/llvm-project/./llvm/utils/git/github-automation.py", line 578, in execute_command
    https://docs.github.com/en/get-started/quickstart/github-glossary#compare-branch
  File "/home/runner/work/llvm-project/llvm-project/./llvm/utils/git/github-automation.py", line 475, in create_branch
    ) -> github.IssueComment.IssueComment:
  File "/home/runner/work/llvm-project/llvm-project/./llvm/utils/git/github-automation.py", line 356, in issue_notify_branch
    based on the text in stdin.
  File "/home/runner/.local/lib/python3.10/site-packages/github/Issue.py", line 343, in create_comment
    headers, data = self._requester.requestJsonAndCheck(
  File "/home/runner/.local/lib/python3.10/site-packages/github/Requester.py", line 442, in requestJsonAndCheck
    return self.__check(
  File "/home/runner/.local/lib/python3.10/site-packages/github/Requester.py", line 487, in __check
    raise self.__createException(status, responseHeaders, data)
github.GithubException.GithubException: 403 {"message": "Resource not accessible by personal access token", "documentation_url": "https://docs.github.com/rest/issues/comments#create-an-issue-comment"}

I think this is because the workflow is defined with permissions: read.

[nikic]

Note that the backport branch did get successfully created at https://github.com/llvmbot/llvm-project/tree/issue79253. It failed when posting the issue comment.