outgoing: add a simple fastpath when there is no common This further speed up case like `hg bundle --all` for larger repository. ### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog # benchmark.name = hg.command.bundle # bin-env-vars.hg.flavor = default # bin-env-vars.hg.py-re2-module = default # benchmark.variants.revs = all # benchmark.variants.type = none-streamv2 before: 316.749699 after: 311.165461 (-1.76%, -5.58) There is further work to be done in this area like not doing any outgoing computation in the stream case for example. however the recent changes already gives use a large win for a small amount of local work. ### benchmark.name = hg.command.bundle # bin-env-vars.hg.flavor = default # bin-env-vars.hg.py-re2-module = default # benchmark.variants.revs = all # benchmark.variants.type = none-streamv2 ## data-env-vars.name = mercurial-public-2024-03-22-zstd-sparse-revlog pre-%ln-change: 1.263859 the-%ln-change: 0.700229 (-44.60%, -0.56) prev-changeset: 0.496050 (-60.75%, -0.77) this-changeset: 0.495243 (-60.81%, -0.77) ## data-env-vars.name = tryton-public-2024-03-22-zstd-sparse-revlog pre-%ln-change: 2.975765 the-%ln-change: 1.870798 (-37.13%, -1.10) prev-changeset: 1.461583 (-50.88%, -1.51) this-changeset: 1.469185 (-50.63%, -1.51) ## data-env-vars.name = pypy-2024-03-22-zstd-sparse-revlog pre-%ln-change: 4.540080 the-%ln-change: 3.401700 (-25.07%, -1.14) prev-changeset: 2.915810 (-35.78%, -1.62) this-changeset: 2.911643 (-35.87%, -1.63) ## data-env-vars.name = heptapod-public-2024-03-25-zstd-sparse-revlog pre-%ln-change: 10.138396 the-%ln-change: 7.750458 (-23.55%, -2.39) prev-changeset: 6.665565 (-34.25%, -3.47) this-changeset: 6.672078 (-34.19%, -3.47) ## data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog pre-%ln-change: 399.484481 the-%ln-change: 346.508952 (-13.26%, -52.98) prev-changeset: 316.749699 (-20.71%, -82.73) this-changeset: 311.165461 (-22.11%, -88.32)

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#ifndef HG_COMPAT_H

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#define HG_COMPAT_H

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#ifdef _WIN32

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#ifdef _MSC_VER

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#if _MSC_VER < 1900

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/* msvc 6.0 has problems */

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#define inline __inline

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#if defined(_WIN64)

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typedef __int64 ssize_t;

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typedef unsigned __int64 uintptr_t;

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#else

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typedef int ssize_t;

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typedef unsigned int uintptr_t;

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#endif

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typedef signed char int8_t;

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typedef short int16_t;

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typedef long int32_t;

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typedef __int64 int64_t;

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typedef unsigned char uint8_t;

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typedef unsigned short uint16_t;

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typedef unsigned long uint32_t;

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typedef unsigned __int64 uint64_t;

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#else

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/* VC++ 14 */

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#include <stdint.h>

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#if defined(_WIN64)

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typedef __int64 ssize_t;

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#else

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typedef int ssize_t;

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#endif

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#endif /* _MSC_VER < 1900 */

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#else

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/* not msvc */

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#include <stdint.h>

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#endif

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#else

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/* not windows */

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#include <sys/types.h>

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#if defined __BEOS__ && !defined __HAIKU__

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#include <ByteOrder.h>

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#else

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#include <arpa/inet.h>

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#endif

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#include <inttypes.h>

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#endif

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#if defined __hpux || defined __SUNPRO_C || defined _AIX

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#define inline

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#endif

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#ifdef __linux

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#define inline __inline

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#endif

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#endif