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  • Martin von Zweigbergk's avatar
    context: introduce p[12]copies() methods and debugp[12]copies commands · a4358f7345b4
    Martin von Zweigbergk authored
    As mentioned earlier, I'm working on support for storing copy metadata
    in the changeset instead of in the filelog.
    
    In order to transition a repo from storing metadata in filelogs to
    storing it in the changeset, I'm going to provide a config option for
    reading the metadata from the changeset, but falling back to getting
    it from the filelog if it's not in the changeset. In this compatiblity
    mode, the changeset-optmized algorithms will be used. We will then
    need to convert the filelog copy metadata to look like that provided
    by changeset copy metadata. This patch introduces methods that do just
    that.
    
    By having these methods here, we can start writing changeset-optimized
    algorithms that should work already before we add any support for
    storing the metadata in the changesets.
    
    This commit also includes new debugp[12]copies commands and exercises
    them in test-copies.t.
    
    Differential Revision: https://phab.mercurial-scm.org/D5990
    a4358f7345b4