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apply: a bit more comments on PATH_TO_BE_DELETED
The code is littered with to_be_deleted() whose purpose is not so clear.
Describe where it matters. Also remove an extra space before "#define"
that snuck in by mistake at 7fac0ee
(builtin-apply: keep information about
files to be deleted, 2009-04-11).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -2970,9 +2970,15 @@ static struct patch *in_fn_table(const char *name)
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* item->util in the filename table records the status of the path.
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* Usually it points at a patch (whose result records the contents
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* of it after applying it), but it could be PATH_WAS_DELETED for a
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* path that a previously applied patch has already removed.
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* path that a previously applied patch has already removed, or
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* PATH_TO_BE_DELETED for a path that a later patch would remove.
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*
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* The latter is needed to deal with a case where two paths A and B
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* are swapped by first renaming A to B and then renaming B to A;
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* moving A to B should not be prevented due to presense of B as we
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* will remove it in a later patch.
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*/
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#define PATH_TO_BE_DELETED ((struct patch *) -2)
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#define PATH_TO_BE_DELETED ((struct patch *) -2)
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#define PATH_WAS_DELETED ((struct patch *) -1)
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static int to_be_deleted(struct patch *patch)
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