convert/gnuarch: parse continuation-of revisions in gnuarch source In GNU Arch, continuation-of was often used for: - tagging revisions - continue working on a project in a new archive, because arch was scaling poorly in revision numbers (cat-logs were slow to be parsed and scanned through) - very similar to the previous point, fork his own branch of a project. Parsing this header information will allow to 'follow' new history because it often hints at older/forked/personal revision trees. This patch however just implements the parsing of the continuation-of header. A followup patch will implement the proper use of this new information.

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#!/bin/sh

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# 0-2-4

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#  \ \ \

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#   1-3-5

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#

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# rename in #1, content change in #4.

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hg init t

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cd t

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touch 1

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touch 2

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hg commit -Am init -d "0 0"  # 0

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hg rename 1 1a

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hg commit -m rename -d "0 0" # 1

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hg co -C 0

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echo unrelated >> 2

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hg ci -m unrelated1 -d "0 0"  # 2

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hg merge --debug 1

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hg ci -m merge1 -d "0 0" # 3

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hg co -C 2

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echo hello >> 1

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hg ci -m unrelated2 -d "0 0" # 4

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hg co -C 3

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hg merge -y --debug 4

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hg co -C 4

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hg merge -y --debug 3

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