7dd63efb37
If a depends on b which depends on a, redo would just freeze. Now it aborts with a somewhat helpful error message. [Updated by apenwarr for coding style and to add a test.]
41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
import os
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from atoi import atoi
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if not os.environ.get('REDO'):
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import sys
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sys.stderr.write('%s: error: must be run from inside a .do\n'
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% sys.argv[0])
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sys.exit(100)
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PWD = os.environ.get('REDO_PWD', '')
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TARGET = os.environ.get('REDO_TARGET', '')
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DEPTH = os.environ.get('REDO_DEPTH', '')
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DEBUG = atoi(os.environ.get('REDO_DEBUG', ''))
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DEBUG_LOCKS = os.environ.get('REDO_DEBUG_LOCKS', '') and 1 or 0
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DEBUG_PIDS = os.environ.get('REDO_DEBUG_PIDS', '') and 1 or 0
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VERBOSE = os.environ.get('REDO_VERBOSE', '') and 1 or 0
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XTRACE = os.environ.get('REDO_XTRACE', '') and 1 or 0
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KEEP_GOING = os.environ.get('REDO_KEEP_GOING', '') and 1 or 0
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SHUFFLE = os.environ.get('REDO_SHUFFLE', '') and 1 or 0
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STARTDIR = os.environ.get('REDO_STARTDIR', '')
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RUNID = atoi(os.environ.get('REDO_RUNID')) or None
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BASE = os.environ['REDO_BASE']
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while BASE and BASE.endswith('/'):
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BASE = BASE[:-1]
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UNLOCKED = os.environ.get('REDO_UNLOCKED', '') and 1 or 0
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os.environ['REDO_UNLOCKED'] = '' # not inheritable by subprocesses
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NO_OOB = os.environ.get('REDO_NO_OOB', '') and 1 or 0
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os.environ['REDO_NO_OOB'] = '' # not inheritable by subprocesses
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def get_locks():
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"""Get the list of held locks."""
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return os.environ.get('REDO_LOCKS', '').split(':')
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def add_lock(name):
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"""Add a lock to the list of held locks."""
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locks = set(get_locks())
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locks.add(name)
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os.environ['REDO_LOCKS'] = ':'.join(list(locks))
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