dirstate: remove the python-side whitelist of allowed matchers This whitelist is too permissive because it allows matchers that contain disallowed ones deep inside, for example through `intersectionmatcher`. It is also too restrictive because it doesn't pass through some of the matchers we support, such as `patternmatcher`. It's also unnecessary because unsupported matchers raise `FallbackError` and we fall back anyway. Making this change makes more of the tests use rust code path, and therefore subtly change behavior. For example, rust status in largefiles repos seems to have strange behavior.

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#ifndef HG_BDIFF_H

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#define HG_BDIFF_H

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#include "compat.h"

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struct bdiff_line {

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	int hash, n, e;

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	ssize_t len;

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	const char *l;

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};

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struct bdiff_hunk;

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struct bdiff_hunk {

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	int a1, a2, b1, b2;

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	struct bdiff_hunk *next;

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};

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int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);

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int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,

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               struct bdiff_hunk *base);

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void bdiff_freehunks(struct bdiff_hunk *l);

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#endif