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lit: Support '>>' redirections when executing scripts internally.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85014 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -63,21 +63,30 @@ def executeShCmd(cmd, cfg, cwd, results):
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# output. This is null until we have seen some output using
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# stderr.
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for i,j in enumerate(cmd.commands):
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# Apply the redirections, we use (N,) as a sentinal to indicate stdin,
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# stdout, stderr for N equal to 0, 1, or 2 respectively. Redirects to or
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# from a file are represented with a list [file, mode, file-object]
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# where file-object is initially None.
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redirects = [(0,), (1,), (2,)]
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for r in j.redirects:
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if r[0] == ('>',2):
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redirects[2] = [r[1], 'w', None]
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elif r[0] == ('>>',2):
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redirects[2] = [r[1], 'a', None]
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elif r[0] == ('>&',2) and r[1] in '012':
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redirects[2] = redirects[int(r[1])]
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elif r[0] == ('>&',) or r[0] == ('&>',):
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redirects[1] = redirects[2] = [r[1], 'w', None]
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elif r[0] == ('>',):
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redirects[1] = [r[1], 'w', None]
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elif r[0] == ('>>',):
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redirects[1] = [r[1], 'a', None]
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elif r[0] == ('<',):
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redirects[0] = [r[1], 'r', None]
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else:
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raise NotImplementedError,"Unsupported redirect: %r" % (r,)
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# Map from the final redirections to something subprocess can handle.
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final_redirects = []
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for index,r in enumerate(redirects):
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if r == (0,):
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