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Produce slightly more helpful message

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This commit is contained in:
Anthony Sottile 2019-03-30 13:24:53 -07:00
parent ec72cb7260
commit bbc3130af2
1 changed files with 11 additions and 4 deletions
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15
pre_commit/resources/hook-tmpl
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@ -49,15 +49,22 @@ def _norm_exe(exe):
def _run_legacy(): def _run_legacy():
if __file__.endswith('.legacy'):
raise SystemExit(
"bug: pre-commit's script is installed in migration mode\n"
'run `pre-commit install -f --hook-type {}` to fix this\n\n'
'Please report this bug at '
'https://github.com/pre-commit/pre-commit/issues'.format(
HOOK_TYPE,
),
)
if HOOK_TYPE == 'pre-push': if HOOK_TYPE == 'pre-push':
stdin = getattr(sys.stdin, 'buffer', sys.stdin).read() stdin = getattr(sys.stdin, 'buffer', sys.stdin).read()
else: else:
stdin = None stdin = None
legacy_script = HOOK_TYPE + '.legacy' legacy_hook = os.path.join(HERE, '{}.legacy'.format(HOOK_TYPE))
is_legacy_executed = os.path.basename(__file__) == legacy_script
legacy_hook = os.path.join(HERE, legacy_script)
assert not is_legacy_executed, __file__
if os.access(legacy_hook, os.X_OK): if os.access(legacy_hook, os.X_OK):
cmd = _norm_exe(legacy_hook) + (legacy_hook,) + tuple(sys.argv[1:]) cmd = _norm_exe(legacy_hook) + (legacy_hook,) + tuple(sys.argv[1:])
proc = subprocess.Popen(cmd, stdin=subprocess.PIPE if stdin else None) proc = subprocess.Popen(cmd, stdin=subprocess.PIPE if stdin else None)