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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hg init

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touch unknown

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touch a

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hg add a

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hg ci -m "1" -d "1000000 0"

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touch b

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hg add b

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hg ci -m "2" -d "1000000 0"

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echo %% Should show unknown

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hg status

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hg revert -r 0 --all

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echo %% Should show unknown and b removed

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hg status

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echo %% Should show a and unknown

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ls