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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abort: Failed to parse .../t/.hg/hgrc

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File contains no section headers.

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file: .../t/.hg/hgrc, line: 1

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'invalid\n'

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updating working directory

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0 files updated, 0 files merged, 0 files removed, 0 files unresolved

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[paths]

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default = .../foo%%bar

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default = .../foo%bar

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bundle.mainreporoot=.../foobar

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defaults.backout=-d "0 0"

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defaults.commit=-d "0 0"

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defaults.debugrawcommit=-d "0 0"

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defaults.tag=-d "0 0"

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paths.default=.../foo%bar

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ui.slash=True