52 lines
1.2 KiB
Python
52 lines
1.2 KiB
Python
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#!/usr/bin/python
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import sys, os, subprocess
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import options
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from helpers import *
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optspec = """
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redo [targets...]
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--
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ifchange something something
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"""
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o = options.Options('redo', optspec)
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(opt, flags, extra) = o.parse(sys.argv[1:])
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targets = extra or ['it']
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def find_do_file(t):
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p = '%s.do' % t
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if os.path.exists(p):
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return p
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else:
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return None
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def build(t):
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dofile = find_do_file(t)
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if not dofile:
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if os.path.exists(t): # an existing source file
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return # success
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else:
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raise Exception('no rule to make %r' % t)
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unlink(t)
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os.putenv('REDO_TARGET', t)
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tmpname = '%s.redo.tmp' % t
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unlink(tmpname)
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f = open(tmpname, 'w+')
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log('running: %r\n' % dofile)
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rv = subprocess.call(['sh', '-e', dofile, t , 'FIXME', tmpname],
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stdout=f.fileno())
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st = os.stat(tmpname)
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log('rv: %d (%d bytes) (%r)\n' % (rv, st.st_size, dofile))
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if rv==0 and st.st_size:
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os.rename(tmpname, t)
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log('made %r\n' % t)
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else:
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unlink(tmpname)
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f.close()
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if rv != 0:
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raise Exception('non-zero return code building %r' % t)
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for t in targets:
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build(t)
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