63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
import sys, os
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from . import env, logs, state
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from .logs import debug2
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def main():
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if len(sys.argv) > 1:
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sys.stderr.write('%s: no arguments expected.\n' % sys.argv[0])
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sys.exit(1)
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if os.isatty(0):
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sys.stderr.write('%s: you must provide the data to stamp on stdin\n'
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% sys.argv[0])
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sys.exit(1)
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env.inherit()
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logs.setup(tty=sys.stderr, pretty=env.v.PRETTY, color=env.v.COLOR)
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# hashlib is only available in python 2.5 or higher, but the 'sha'
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# module produces a DeprecationWarning in python 2.6 or higher. We want
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# to support python 2.4 and above without any stupid warnings, so let's
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# try using hashlib first, and downgrade if it fails.
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try:
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import hashlib
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except ImportError:
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import sha
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sh = sha.sha()
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else:
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sh = hashlib.sha1()
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while 1:
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b = os.read(0, 4096)
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sh.update(b)
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if not b:
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break
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csum = sh.hexdigest()
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if not env.v.TARGET:
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sys.exit(0)
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me = os.path.join(env.v.STARTDIR,
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os.path.join(env.v.PWD, env.v.TARGET))
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f = state.File(name=me)
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changed = (csum != f.csum)
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debug2('%s: old = %s\n' % (f.name, f.csum))
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debug2('%s: sum = %s (%s)\n' % (f.name, csum,
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changed and 'changed' or 'unchanged'))
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f.is_generated = True
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f.is_override = False
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f.failed_runid = None
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if changed:
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f.set_changed() # update_stamp might skip this if mtime is identical
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f.csum = csum
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else:
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# unchanged
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f.set_checked()
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f.save()
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state.commit()
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if __name__ == '__main__':
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main()
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