mirror of
https://github.com/pre-commit/pre-commit-hooks.git
synced 2025-08-14 17:31:28 +08:00
25 lines
740 B
Python
25 lines
740 B
Python
import subprocess
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from typing import Any
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from typing import Optional
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from typing import Set
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class CalledProcessError(RuntimeError):
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pass
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def added_files() -> Set[str]:
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cmd = ('git', 'diff', '--staged', '--name-only', '--diff-filter=A')
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return set(cmd_output(*cmd).splitlines())
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def cmd_output(*cmd: str, retcode: Optional[int] = 0, **kwargs: Any) -> str:
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kwargs.setdefault('stdout', subprocess.PIPE)
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kwargs.setdefault('stderr', subprocess.PIPE)
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proc = subprocess.Popen(cmd, **kwargs)
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stdout, stderr = proc.communicate()
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stdout = stdout.decode()
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if retcode is not None and proc.returncode != retcode:
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raise CalledProcessError(cmd, retcode, proc.returncode, stdout, stderr)
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return stdout
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