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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cd a

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hg init b

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echo x > b/x

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echo '# should print nothing'

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hg add b

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hg st

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echo '# should fail'

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hg st b/x

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hg add b/x

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echo '# should fail'

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hg add b b/x

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hg st

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echo '# should arguably print nothing'

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hg st b

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echo a > a

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hg ci -Ama a

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echo '# should fail'

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hg mv a b

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hg st