cmdrewrite: add a utility function to make sure note is of valid format Upcoming patches will add support to store a note on various evolution related commands by storing that in obsmarker. Since the obsmarker metadata field can't store things above 255 bytes, this patch introduces a function which will be used to make sure note is under 255 bytes and does not contain newlines. We don't want notes to be multilines.

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import hghave

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@hghave.check("docgraph-ext", "Extension to generate graph from repository")

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def docgraph():

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    try:

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        import hgext.docgraph

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        hgext.docgraph.cmdtable # trigger import

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    except ImportError:

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        try:

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            import hgext3rd.docgraph

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            hgext3rd.docgraph.cmdtable # trigger import

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        except ImportError:

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            return False

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    return True