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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#!/bin/sh

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#

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# This is an example of using HGEDITOR to create of diff to review the

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# changes while committing.

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# If you want to pass your favourite editor some other parameters

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# only for Mercurial, modify this:

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case "${EDITOR}" in

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    "")

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        EDITOR="vi"

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        ;;

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    emacs)

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        EDITOR="$EDITOR -nw"

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        ;;

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    gvim|vim)

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        EDITOR="$EDITOR -f -o"

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        ;;

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esac

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HGTMP=""

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cleanup_exit() {

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    rm -rf "$HGTMP"

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}

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# Remove temporary files even if we get interrupted

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trap "cleanup_exit" 0 # normal exit

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trap "exit 255" HUP INT QUIT ABRT TERM

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HGTMP=$(mktemp -d ${TMPDIR-/tmp}/hgeditor.XXXXXX)

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[ x$HGTMP != x -a -d $HGTMP ] || {

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  echo "Could not create temporary directory! Exiting." 1>&2

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  exit 1

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}

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(

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    grep '^HG: changed' "$1" | cut -b 13- | while read changed; do

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        "$HG" diff "$changed" >> "$HGTMP/diff"

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    done

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)

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cat "$1" > "$HGTMP/msg"

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MD5=$(which md5sum 2>/dev/null) || \

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    MD5=$(which md5 2>/dev/null)

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[ -x "${MD5}" ] && CHECKSUM=`${MD5} "$HGTMP/msg"`

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if [ -s "$HGTMP/diff" ]; then

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    $EDITOR "$HGTMP/msg" "$HGTMP/diff" || exit $?

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else

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    $EDITOR "$HGTMP/msg" || exit $?

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fi

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[ -x "${MD5}" ] && (echo "$CHECKSUM" | ${MD5} -c >/dev/null 2>&1 && exit 13)

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mv "$HGTMP/msg" "$1"

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exit $?