evolve: abort if deciding resolution parent is ambiguous While solving content-divergence, it could be hard to decide which cset should be treated as a resolution parent if there are multiple successors of divergent cset. i.e split case. But we are planning to make some update in handling this split case: 1) consider highest one if all splitted csets are in a single topological branch 2) still need to decide if 1) doesn't apply

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#!/bin/sh

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set -eu

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case $1 in

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    default)

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        echo default

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        ;;

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    mercurial-*)

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        exp=$(echo "$1" | cut -d- -f2 | sed 's#\.#\\.#g')

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        echo 'max(tag("re:^'"$exp"'"))'

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        ;;

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    *)

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        echo stable

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        ;;

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esac