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189e3f9aca
I used test-dispatch.py to demonstrate what would happen if a log file changed from being readonly to writable, by having it replace a directory (proxy for readonly/not-writable) with a log file in between transactions of a running python process (proxy for Mercurial). This commit makes it easier for people to follow what the test is doing, by creating a real file that people can read.
37 lines
992 B
Python
37 lines
992 B
Python
from __future__ import absolute_import, print_function
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import os
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from mercurial import (
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dispatch,
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)
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def testdispatch(cmd):
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"""Simple wrapper around dispatch.dispatch()
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Prints command and result value, but does not handle quoting.
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"""
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print("running: %s" % (cmd,))
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req = dispatch.request(cmd.split())
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result = dispatch.dispatch(req)
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print("result: %r" % (result,))
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# create file 'foo', add and commit
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f = open('foo', 'wb')
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f.write('foo\n')
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f.close()
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testdispatch("add foo")
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testdispatch("commit -m commit1 -d 2000-01-01 foo")
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# append to file 'foo' and commit
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f = open('foo', 'ab')
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f.write('bar\n')
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f.close()
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# remove blackbox.log directory (proxy for readonly log file)
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os.rmdir(".hg/blackbox.log")
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# replace it with the real blackbox.log file
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os.rename(".hg/blackbox.log-", ".hg/blackbox.log")
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testdispatch("commit -m commit2 -d 2000-01-02 foo")
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# check 88803a69b24 (fancyopts modified command table)
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testdispatch("log -r 0")
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testdispatch("log -r tip")
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