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 a

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echo a > a/a

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hg --cwd a ci -Ama

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hg clone a c

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hg clone a b

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echo b >> b/a

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hg --cwd b ci -mb

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echo % push should push to default when default-push not set

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hg --cwd b push | sed 's/pushing to.*/pushing/'

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echo % push should push to default-push when set

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echo 'default-push = ../c' >> b/.hg/hgrc

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hg --cwd b push | sed 's/pushing to.*/pushing/'