This happens sometimes, for example, if you do whatever | while read x; do redo-ifchange "$x" done and the input contains blank lines. We could ignore the request for blankness, but it seems like that situation might indicate a more serious bug in your parser, so it's probably better to just abort with a meaningful error.
28 lines
683 B
Python
Executable file
28 lines
683 B
Python
Executable file
#!/usr/bin/env python
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import sys, os
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import vars_init
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vars_init.init_no_state()
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import paths
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from log import err
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if len(sys.argv[1:]) != 1:
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err('%s: exactly one argument expected.\n' % sys.argv[0])
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sys.exit(1)
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want = sys.argv[1]
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if not want:
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err('cannot build the empty target ("").\n')
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sys.exit(204)
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abswant = os.path.abspath(want)
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for dodir,dofile,basedir,basename,ext in paths.possible_do_files(abswant):
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dopath = os.path.join('/', dodir, dofile)
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relpath = os.path.relpath(dopath, '.')
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exists = os.path.exists(dopath)
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assert('\n' not in relpath)
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print relpath
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if exists:
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sys.exit(0)
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sys.exit(1) # no appropriate dofile found
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